# National Register of Historic Places listings in Montgomery County, Maryland

This is a list of the National Register of Historic Places listings in Montgomery County, Maryland.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Montgomery County, Maryland, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.
There are 82 properties and districts listed on the National Register in the county, including 4 National Historic Landmarks.
Download coordinates as:
* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)
Contents: Counties in Maryland :
* Allegany - Anne Arundel - Baltimore (city) - Baltimore County - Calvert - Caroline - Carroll - Cecil - Charles - Dorchester - Frederick - Garrett - Harford - Howard - Kent - Montgomery - Prince George's - Queen Anne's - Somerset - St. Mary's - Talbot - Washington - Wicomico - Worcester
This National Park Service list is complete through NPS recent listings posted February 28, 2025.

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Annington | Annington | December 11, 1978 (#78001474) | 24001 White's Ferry Road 39°10′06″N 77°30′08″W﻿ / ﻿39.168333°N 77.502222°W﻿ / 39.168333; -77.502222﻿ (Annington) | Poolesville | 1813 Georgian dwelling constructed of brick in Flemish bond consisting of three two-story sections: a main block three bays wide, a wing to the west two bays wide, and a wing to the east three bays wide. |
| 2 | Edward Beale House | Edward Beale House | August 16, 1996 (#96000902) | 11011 Glen Rd. 39°02′59″N 77°13′31″W﻿ / ﻿39.049722°N 77.225278°W﻿ / 39.049722; -77.225278﻿ (Edward Beale House) | Potomac | Colonial Revival residence built in 1938, and designed to look like a Pennsylvania farmhouse. |
| 3 | Beall-Dawson House | Beall-Dawson House More images | March 30, 1973 (#73000933) | 103 W. Montgomery Ave. 39°05′03″N 77°09′19″W﻿ / ﻿39.084167°N 77.155278°W﻿ / 39.084167; -77.155278﻿ (Beall-Dawson House) | Rockville | 1815 Federal-style house built by Upton Beale, an early clerk of the Montgomery County Court |
| 4 | J. A. Belt Building | J. A. Belt Building More images | August 9, 1984 (#84001845) | 227 E. Diamond Ave. 39°08′32″N 77°11′39″W﻿ / ﻿39.142222°N 77.194167°W﻿ / 39.142222; -77.194167﻿ (J. A. Belt Building) | Gaithersburg | 1903 two-story rectangular brick building that was built on the foundations of a late-19th-century commercial structure of similar design. |
| 5 | Bethesda Meetinghouse | Bethesda Meetinghouse More images | April 18, 1977 (#77000699) | 9400 Wisconsin Ave. 39°00′35″N 77°05′54″W﻿ / ﻿39.009722°N 77.098333°W﻿ / 39.009722; -77.098333﻿ (Bethesda Meetinghouse) | Bethesda | 1850 Greek Revival church that gave the surrounding area its name |
| 6 | Bethesda Naval Hospital Tower | Bethesda Naval Hospital Tower More images | March 8, 1977 (#77000700) | 8901 Wisconsin Ave. 39°00′06″N 77°05′41″W﻿ / ﻿39.001667°N 77.094722°W﻿ / 39.001667; -77.094722﻿ (Bethesda Naval Hospital Tower) | Bethesda | |
| 7 | Bethesda Theatre | Bethesda Theatre More images | February 5, 1999 (#99000133) | 7719 Wisconsin Ave. 38°59′14″N 77°05′41″W﻿ / ﻿38.987222°N 77.094722°W﻿ / 38.987222; -77.094722﻿ (Bethesda Theatre) | Bethesda | 1938 John Eberson movie theater in near-original condition, still in use |
| 8 | Bingham-Brewer House | Bingham-Brewer House More images | November 24, 1980 (#80001828) | 307 Great Falls Rd. 39°04′53″N 77°09′39″W﻿ / ﻿39.081389°N 77.160833°W﻿ / 39.081389; -77.160833﻿ (Bingham-Brewer House) | Rockville | Two-story brick house, with a Flemish Bond front facade, dating to 1821. Also on the property is a late-19th-century smokehouse, privy, and a late-19th- or early-20th-century chicken house. |
| 9 | Brookeville Historic District | Brookeville Historic District More images | October 11, 1979 (#79003272) | Maryland Route 97 39°10′52″N 77°03′35″W﻿ / ﻿39.181111°N 77.059722°W﻿ / 39.181111; -77.059722﻿ (Brookeville Historic District) | Brookeville | The majority of the structures were built before 1900, and range in style from the Federal-style Jordan House to the simple, vernacular cabin known as the Blue House. The houses are built of stone, brick, and frame, and cover a period from 1779 to the 1950s. |
| 10 | Brookeville Woolen Mill and House | Brookeville Woolen Mill and House | September 6, 1978 (#78001472) | 1901 Brighton Dam Rd. 39°11′51″N 77°02′53″W﻿ / ﻿39.1975°N 77.048056°W﻿ / 39.1975; -77.048056﻿ (Brookeville Woolen Mill and House) | Brookeville | Complex consists of two buildings constructed of rubble masonry. The woolen mill is a small one-story structure. South of the mill are two stone worker's houses, one of which is a three-bay by two-bay, 1+1⁄2-story stone house. The house was most likely constructed prior to 1783. |
| 11 | Cabin John Aqueduct | Cabin John Aqueduct More images | February 28, 1973 (#73000932) | MacArthur Boulevard over Cabin John Creek and Cabin John Parkway 38°58′21″N 77°08′56″W﻿ / ﻿38.9725°N 77.148889°W﻿ / 38.9725; -77.148889﻿ (Cabin John Aqueduct) | Glen Echo | Also called Union Arch Bridge. Masonry bridge completed in 1864 as part of the Washington Aqueduct. |
| 12 | Carderock Springs Historic District | Carderock Springs Historic District More images | November 21, 2008 (#08001074) | Roughly bounded by Interstate 495, Cabin John Regional Park, Seven Locks Rd., Fenway Rd., and Persimmon Tree Ln. 38°59′20″N 77°10′03″W﻿ / ﻿38.988889°N 77.1675°W﻿ / 38.988889; -77.1675﻿ (Carderock Springs Historic District) | Bethesda | 275 modernist style suburban homes built from 1962 to 1966 |
| 13 | Carousel at Glen Echo Park | Carousel at Glen Echo Park More images | July 4, 1980 (#80000351) | MacArthur Boulevard 38°57′57″N 77°08′19″W﻿ / ﻿38.965833°N 77.138611°W﻿ / 38.965833; -77.138611﻿ (Carousel at Glen Echo Park) | Glen Echo | 1921 Dentzel carousel |
| 14 | Rachel Carson House | Rachel Carson House | December 4, 1991 (#91002058) | 11701 Berwick Rd. 39°02′48″N 77°00′02″W﻿ / ﻿39.046667°N 77.000556°W﻿ / 39.046667; -77.000556﻿ (Rachel Carson House) | Silver Spring | Ranch-style house where Rachel Carson wrote her famous book Silent Spring in 1958 |
| 15 | Chautauqua Tower | Chautauqua Tower More images | July 4, 1980 (#80000350) | Glen Echo Park MacArthur Boulevard 38°57′58″N 77°08′18″W﻿ / ﻿38.966111°N 77.138333°W﻿ / 38.966111; -77.138333﻿ (Chautauqua Tower) | Glen Echo | 1892 stone tower in Richardsonian Romanesque style |
| 16 | Chesapeake and Ohio Canal National Historical Park | Chesapeake and Ohio Canal National Historical Park More images | October 15, 1966 (#66000036) | Bordering the Potomac River from Georgetown, D.C. to Cumberland, Maryland 38°53′59″N 77°03′28″W﻿ / ﻿38.899722°N 77.057778°W﻿ / 38.899722; -77.057778﻿ (Chesapeake and Ohio Canal National Historical Park) | Poolesville, Potomac, Seneca | Canal constructed from 1828 to 1850. Follows the Potomac River from Georgetown, Washington, D.C. to Cumberland, Maryland |
| 17 | Chiswell's Inheritance | Chiswell's Inheritance More images | September 10, 1974 (#74000960) | 18200 Beallsville Road Maryland Route 109 39°09′11″N 77°25′24″W﻿ / ﻿39.153056°N 77.423333°W﻿ / 39.153056; -77.423333﻿ (Chiswell's Inheritance) | Poolesville | Late-18th-century plantation house |
| 18 | Clara Barton National Historic Site | Clara Barton National Historic Site More images | October 15, 1966 (#66000037) | 5801 Oxford Rd. 38°58′01″N 77°08′27″W﻿ / ﻿38.966944°N 77.140833°W﻿ / 38.966944; -77.140833﻿ (Clara Barton National Historic Site) | Glen Echo | Home of Clara Barton, founder of the American Red Cross |
| 19 | Clarksburg School | Clarksburg School | February 20, 1975 (#75000909) | 13530 Redgrave Place 39°14′14″N 77°16′52″W﻿ / ﻿39.237222°N 77.281111°W﻿ / 39.237222; -77.281111﻿ (Clarksburg School) | Clarksburg | Frame structure built in 1909, served as the local public school from 1909 to 1972 |
| 20 | Clifton | Clifton More images | June 25, 1974 (#74000959) | 17107 New Hampshire Ave. 39°08′17″N 76°59′39″W﻿ / ﻿39.138056°N 76.994167°W﻿ / 39.138056; -76.994167﻿ (Clifton) | Ednor | Mid-18th-century brick home closely affiliated with the early Quaker community of Sandy Spring |
| 21 | Clover Hill | Clover Hill | July 20, 1982 (#82002817) | 21310 Zion Rd. 39°12′26″N 77°05′41″W﻿ / ﻿39.2072°N 77.0947°W﻿ / 39.2072; -77.0947﻿ (Clover Hill) | Brookeville | Primary Italianate home built around 1857, though has surrounding buildings which date to the mid 1st century |
| 22 | Darnall Place | Darnall Place More images | August 13, 1979 (#79001140) | East of Poolesville at 17615 White's Ferry Rd. 39°07′33″N 77°22′04″W﻿ / ﻿39.1258°N 77.3678°W﻿ / 39.1258; -77.3678﻿ (Darnall Place) | Poolesville | Farm complex consists of four small 18th-century stone buildings, a 19th-century frame wagon shed/corn crib, a 20th-century concrete block barn, and three late-19th- or early-20th-century frame sheds |
| 23 | Davis-Warner House | Davis-Warner House More images | December 7, 2001 (#01001335) | 8114 Carroll Ave. 38°59′26″N 76°59′38″W﻿ / ﻿38.9906°N 76.9939°W﻿ / 38.9906; -76.9939﻿ (Davis-Warner House) | Takoma Park | Large, 3-story frame Stick Style residence constructed around 1875 |
| 24 | Dawson Farm | Dawson Farm More images | January 11, 1985 (#85000060) | 1070 and 1080 Copperstone Ct. 39°04′28″N 77°08′33″W﻿ / ﻿39.0744°N 77.1425°W﻿ / 39.0744; -77.1425﻿ (Dawson Farm) | Rockville | Contains an 1874 2+1⁄2-story frame dwelling and a large 2+1⁄2-story hip-roofed frame house dating to 1912 |
| 25 | Dowden's Luck | Dowden's Luck More images | November 10, 1988 (#88002143) | 18511 Beallsvile Rd. 39°09′35″N 77°24′58″W﻿ / ﻿39.1597°N 77.4161°W﻿ / 39.1597; -77.4161﻿ (Dowden's Luck) | Poolesville | The main house is a 2+1⁄2-story, late Federal-style frame house with additions made in 1855 and 1910. Also on the property are a one-story gable-roofed stone slave quarters, a one-story gable-roofed brick smokehouse, a stone spring house, and the foundations of two barns, all built during the 1824–1850 plantation period. |
| 26 | Drury-Austin House | Drury-Austin House | March 13, 1986 (#86000371) | 16112 Barnesville Rd. 39°12′03″N 77°20′21″W﻿ / ﻿39.2008°N 77.3392°W﻿ / 39.2008; -77.3392﻿ (Drury-Austin House) | Boyds | A late-18th-century one-room plan log house with an early-19th-century timber frame addition |
| 27 | East Oaks | East Oaks | October 18, 1996 (#96001168) | 21524 White's Ferry Road (MD 107) 39°09′13″N 77°27′03″W﻿ / ﻿39.1536°N 77.45094°W﻿ / 39.1536; -77.45094﻿ (East Oaks) | Poolesville | Consists of a 2+1⁄2-story, ca. 1829 Federal-period brick residence brick smokehouse, sandstone slave quarter, stone bank barn, stone dairy, and log and frame tenant house. |
| 28 | Friends Advice | Friends Advice | October 28, 1992 (#92001383) | 19001 Bucklodge Rd. 39°09′58″N 77°21′31″W﻿ / ﻿39.1661°N 77.3586°W﻿ / 39.1661; -77.3586﻿ (Friends Advice) | Boyds | The earliest portion, the ca. 1806 Federal style block, sits on a stone foundation with a gable roof and gabled dormers. Later additions include a Federal style block of the first quarter of the 19th century, a frame block constructed in 1882 on the foundation of an 18th-century log structure, and a Colonial Revival-style block constructed in 1939–1940. |
| 29 | Frieda Fromm-Reichmann Cottage | Frieda Fromm-Reichmann Cottage | January 13, 2021 (#100006277) | 19 Thomas Street 39°04′59″N 77°09′44″W﻿ / ﻿39.0831°N 77.1622°W﻿ / 39.0831; -77.1622﻿ (Frieda Fromm-Reichmann Cottage) | Rockville | |
| 30 | Gaithersburg B & O Railroad Station and Freight Shed | Gaithersburg B & O Railroad Station and Freight Shed More images | October 5, 1978 (#78001473) | Summit and E. Diamond Aves. 39°08′28″N 77°11′57″W﻿ / ﻿39.1411°N 77.1992°W﻿ / 39.1411; -77.1992﻿ (Gaithersburg B & O Railroad Station and Freight Shed) | Gaithersburg | 1881 train station with a loading dock and freight shed |
| 31 | Gaithersburg Latitude Observatory | Gaithersburg Latitude Observatory | July 12, 1985 (#85001578) | 100 DeSellum Ave 39°08′12″N 77°11′57″W﻿ / ﻿39.1367°N 77.1992°W﻿ / 39.1367; -77.1992﻿ (Gaithersburg Latitude Observatory) | Gaithersburg | Small 1899 frame observatory which was one of 5 other observatories across the world that took part in the International Polar Motion Service of 1899. |
| 32 | Garrett Park Historic District | Garrett Park Historic District More images | January 31, 1975 (#75000910) | Roughly bounded by B&O railroad tracks, Rock Creek Park, and Flanders Ave. 39°02′09″N 77°05′41″W﻿ / ﻿39.0358°N 77.0947°W﻿ / 39.0358; -77.0947﻿ (Garrett Park Historic District) | Garrett Park | Victorian railroad suburb, contains houses dating from the 1880s to the 1920s. Architectural styles include those of the Late Victorian period. |
| 33 | George Washington Memorial Parkway | George Washington Memorial Parkway More images | June 2, 1995 (#95000605) | Roughly from American Legion to the Memorial Bridge on the southern side of the Potomac River, and from Brickyard Rd. to the Chain Bridge on the northern side 38°56′19″N 77°08′07″W﻿ / ﻿38.9386°N 77.1353°W﻿ / 38.9386; -77.1353﻿ (George Washington Memorial Parkway) | Cabin John | Portion of parkway on the northern side is referred to as the Clara Barton Parkway |
| 34 | Glen Echo Park Historic District | Glen Echo Park Historic District More images | June 8, 1984 (#84001850) | MacArthur Boulevard 38°57′57″N 77°08′37″W﻿ / ﻿38.9658°N 77.1436°W﻿ / 38.9658; -77.1436﻿ (Glen Echo Park Historic District) | Glen Echo | Former Chautauqua Assembly site (1891) and amusement park |
| 35 | Glenview Farm | Glenview Farm | October 10, 2007 (#07001073) | 603 Edmonston Dr. 39°05′11″N 77°07′45″W﻿ / ﻿39.0864°N 77.1292°W﻿ / 39.0864; -77.1292﻿ (Glenview Farm) | Rockville | Current Neo-Classical Revival mansion built in 1926 around the remnants of a smaller house dating to 1838. |
| 36 | Hammond Wood Historic District | Hammond Wood Historic District More images | December 15, 2004 (#04001355) | Veirs Mill Rd., Highview Ave., Pendleton Dr., College View Dr., Woodridge Ave. 39°02′51″N 77°04′08″W﻿ / ﻿39.0475°N 77.0689°W﻿ / 39.0475; -77.0689﻿ (Hammond Wood Historic District) | Silver Spring | 58 Contemporary suburban houses built from 1949 to 1951. |
| 37 | Hanover Farm House | Hanover Farm House More images | August 6, 1980 (#80001823) | 19501 Darnestown Rd. 39°10′40″N 77°24′09″W﻿ / ﻿39.1778°N 77.4025°W﻿ / 39.1778; -77.4025﻿ (Hanover Farm House) | Beallsville | Brick house consists of a Federal main block and kitchen wing dating to 1801–1804, and a 1+1⁄2-story modern kitchen wing added in 1954 |
| 38 | Johnson-Wolfe Farm | Johnson-Wolfe Farm More images | November 8, 2003 (#03001114) | 23900 Old Hundred Rd. 39°14′50″N 77°21′01″W﻿ / ﻿39.2472°N 77.3503°W﻿ / 39.2472; -77.3503﻿ (Johnson-Wolfe Farm) | Comus | Complex includes an 1862 vernacular dwelling known as the Comus Inn, smokehouse, barn, and a poultry house built in 1936 |
| 39 | Kensington Historic District | Kensington Historic District More images | September 4, 1980 (#80001827) | Roughly bounded by railroad tracks, the Kensington Parkway, Summit Ave., and Washington and Warner Sts. 39°01′29″N 77°04′33″W﻿ / ﻿39.0247°N 77.0758°W﻿ / 39.0247; -77.0758﻿ (Kensington Historic District) | Kensington | Late Victorian suburban railroad community that is relatively untouched by 20th-century suburban development |
| 40 | Seymour Krieger House | Seymour Krieger House More images | October 29, 2008 (#08001022) | 6739 Brigadoon Dr. 38°58′38″N 77°08′10″W﻿ / ﻿38.9773°N 77.1362°W﻿ / 38.9773; -77.1362﻿ (Seymour Krieger House) | Bethesda | International 1-story house built by architect Marcel Breuer in 1958 |
| 41 | Layton House | Layton House | September 25, 1975 (#75000911) | Southwestern corner of Maryland Routes 108 and 420 39°12′42″N 77°08′35″W﻿ / ﻿39.2117°N 77.1431°W﻿ / 39.2117; -77.1431﻿ (Layton House) | Laytonsville | 1835 2-story brick Federal-style house with a three-bay Flemish bond main (north) facade and a gable roof. |
| 42 | Mihran Mesrobian House | Mihran Mesrobian House More images | November 13, 2017 (#100001794) | 7410 Connecticut Ave. 38°59′04″N 77°04′38″W﻿ / ﻿38.984403°N 77.077238°W﻿ / 38.984403; -77.077238﻿ (Mihran Mesrobian House) | Chevy Chase | |
| 43 | Milimar | Milimar | April 13, 1973 (#73000935) | 410 Randolph Rd. 39°04′03″N 77°01′07″W﻿ / ﻿39.0675°N 77.018611°W﻿ / 39.0675; -77.018611﻿ (Milimar) | Silver Spring | Georgian 2+1⁄2-story brick house built in 1790 |
| 44 | Milton | Milton More images | September 25, 1975 (#75000908) | 5312 Allandale Rd. 38°57′35″N 77°06′11″W﻿ / ﻿38.959722°N 77.103056°W﻿ / 38.959722; -77.103056﻿ (Milton) | Bethesda | Older section constructed prior to 1820 is one and one-half stories and a two-story three-bay structure was subsequently built in 1847. Outbuildings on the property include a square, stone smokehouse with a square, hipped roof, and a 19th-century stone ice house. |
| 45 | Montgomery County Courthouse Historic District | Montgomery County Courthouse Historic District More images | September 2, 1986 (#86003352) | Courthouse Sq. and S. Washington St. 39°04′59″N 77°09′09″W﻿ / ﻿39.083056°N 77.1525°W﻿ / 39.083056; -77.1525﻿ (Montgomery County Courthouse Historic District) | Rockville | Contains 1891 Romanesque Revival courthouse, 1931 Neoclassical courthouse, 1931 Art Deco bank, and 1938 post office |
| 46 | Montrose Schoolhouse | Montrose Schoolhouse More images | January 24, 1983 (#83002956) | 5721 Randolph Road 39°03′12″N 77°06′54″W﻿ / ﻿39.053333°N 77.115°W﻿ / 39.053333; -77.115﻿ (Montrose Schoolhouse) | Rockville | 1909 schoolhouse is the last surviving building of the 19th-century Montrose Crossroads community |
| 47 | Moreland | Moreland More images | August 11, 2005 (#05000877) | 7810 Moorland Ln. 38°59′16″N 77°06′39″W﻿ / ﻿38.987778°N 77.110833°W﻿ / 38.987778; -77.110833﻿ (Moreland) | Bethesda | 2+1⁄2-story early Colonial Revival frame dwelling that was constructed around 1894. |
| 48 | Mt. Nebo | Mt. Nebo More images | March 28, 1985 (#85000653) | 14510 Mt. Nebo Rd. 39°05′35″N 77°26′55″W﻿ / ﻿39.093056°N 77.448611°W﻿ / 39.093056; -77.448611﻿ (Mt. Nebo) | Poolesville | Large 2+1⁄2-story gable-roofed frame dwelling constructed in three periods; the main block dates to the second quarter of the 19th century. Also on the property is a mid-19th-century log smokehouse and the remains of an early terraced "waterfall" garden. |
| 49 | NIST Historic District | NIST Historic District | August 5, 2021 (#100006800) | 100 Bureau Dr. 39°08′28″N 77°13′05″W﻿ / ﻿39.1410°N 77.2181°W﻿ / 39.1410; -77.2181﻿ (NIST Historic District) | Gaithersburg | |
| 50 | National Park Seminary Historic District | National Park Seminary Historic District More images | September 14, 1972 (#72000586) | Linden Lane near Interstate 495 39°00′43″N 77°03′21″W﻿ / ﻿39.011944°N 77.055833°W﻿ / 39.011944; -77.055833﻿ (National Park Seminary Historic District) | Forest Glen Park | Victorian girls finishing school which was previously a resort for DC residents |
| 51 | New Mark Commons | New Mark Commons More images | August 1, 2017 (#16000869) | Bounded by Maryland Ave., Argyle & Monroe Sts., Tower Oaks, I 270, 39°04′33″N 77°09′34″W﻿ / ﻿39.075910°N 77.159425°W﻿ / 39.075910; -77.159425﻿ (New Mark Commons) | Rockville | |
| 52 | Oaks II | Oaks II | November 30, 1982 (#82001598) | 5815 Riggs Rd. 39°11′50″N 77°07′24″W﻿ / ﻿39.197222°N 77.123333°W﻿ / 39.197222; -77.123333﻿ (Oaks II) | Laytonsville | Built between 1797 and 1814, it is a 1+1⁄2-story gambrel-roofed log house with an adjoining one-story gable-roofed log addition. |
| 53 | Old Chiswell Place | Old Chiswell Place | September 9, 1975 (#75000912) | East of Poolesville on Cattail Rd. 39°09′01″N 77°23′18″W﻿ / ﻿39.150278°N 77.388333°W﻿ / 39.150278; -77.388333﻿ (Old Chiswell Place) | Poolesville | 1790 home is a frame, log, and brick structure built in three stages. In addition to the residence, there is a meathouse of log with an attached springhouse. There is a small log house probably used for storage with sandstone chips used between the logs. There is also an early corncrib made of frame and logs. |
| 54 | Polychrome Historic District | Polychrome Historic District More images | August 29, 1996 (#96000900) | 9900 and 9904 Colesville Rd., 9919, 9923, and 9925 Sutherland Rd. 39°01′05″N 77°00′57″W﻿ / ﻿39.018056°N 77.015833°W﻿ / 39.018056; -77.015833﻿ (Polychrome Historic District) | Silver Spring | Group of five affordable small houses built by John Joseph Early in 1934 and 1935 with polychrome and art deco styling |
| 55 | Nathan Dickerson Poole House | Nathan Dickerson Poole House | January 24, 1983 (#83002957) | 15600 Edwards Ferry Rd. 39°06′43″N 77°27′56″W﻿ / ﻿39.111944°N 77.465556°W﻿ / 39.111944; -77.465556﻿ (Nathan Dickerson Poole House) | Poolesville | 2+1⁄2-story frame dwelling constructed in 1871. Its design combines elements of the Victorian Gothic and Italianate styles. Also on the property are a frame barn and corn shed dating to the early 20th century. |
| 56 | Poolesville Historic District | Poolesville Historic District More images | May 29, 1975 (#75000913) | Area around the junctions of Maryland Route 107, Maryland Route 109, and Willard Rd. 39°08′50″N 77°24′53″W﻿ / ﻿39.147222°N 77.414722°W﻿ / 39.147222; -77.414722﻿ (Poolesville Historic District) | Poolesville | Contains 33 buildings that date from the late 18th century to the early 20th century. Most of the buildings consist of farmhouses and outbuildings. |
| 57 | The Ridge | The Ridge More images | April 5, 1988 (#88000267) | 19000 Muncaster Rd. 39°10′03″N 77°07′08″W﻿ / ﻿39.1675°N 77.118889°W﻿ / 39.1675; -77.118889﻿ (The Ridge) | Derwood | One-and-one-half-story mid-18th-century Flemish bond brick house on a fieldstone foundation. The decorative detailing in the main house reflects Georgian, Federal, and Greek Revival influences. Also on the property is an 18th-century two-story log building. |
| 58 | Riley-Bolten House | Riley-Bolten House More images | December 30, 2011 (#11000961) | 11420 Old Georgetown Rd. 39°02′38″N 77°07′17″W﻿ / ﻿39.043957°N 77.12147°W﻿ / 39.043957; -77.12147﻿ (Riley-Bolten House) | North Bethesda | |
| 59 | River Road Unitarian Church | Upload image | January 22, 2025 (#100011323) | 6301 River Road 38°58′36″N 77°07′36″W﻿ / ﻿38.9767°N 77.1268°W﻿ / 38.9767; -77.1268﻿ (River Road Unitarian Church) | Bethesda | |
| 60 | Rock Creek Woods Historic District | Rock Creek Woods Historic District More images | December 15, 2004 (#04001354) | 11504 and 11506 Connecticut Ave., 3600-3702 Spruell Dr., 3908-4020 Rickover Rd., and 4004-4019 Ingersol Dr. 39°02′45″N 77°04′43″W﻿ / ﻿39.045833°N 77.078611°W﻿ / 39.045833; -77.078611﻿ (Rock Creek Woods Historic District) | Silver Spring | Suburban development consisting of 74 Contemporary houses |
| 61 | Rockville Park Historic District | Rockville Park Historic District More images | December 30, 2011 (#11000962) | Roughly bounded by Baltimore Rd., Joseph St., Grandin, Reading, & S. Stonestreet Aves. 39°04′55″N 77°08′23″W﻿ / ﻿39.081864°N 77.139836°W﻿ / 39.081864; -77.139836﻿ (Rockville Park Historic District) | Rockville | |
| 62 | Rockville Railroad Station | Rockville Railroad Station More images | July 18, 1974 (#74000961) | 98 Church St. 39°04′58″N 77°08′42″W﻿ / ﻿39.082778°N 77.145°W﻿ / 39.082778; -77.145﻿ (Rockville Railroad Station) | Rockville | 1873 Queen Anne style railroad station built for the B&O Railroad's Metropolitan Branch |
| 63 | Salmon-Stohlman House | Salmon-Stohlman House More images | April 11, 2002 (#02000353) | 4728 Dorset Ave. 38°58′04″N 77°05′46″W﻿ / ﻿38.967778°N 77.096111°W﻿ / 38.967778; -77.096111﻿ (Salmon-Stohlman House) | Chevy Chase | 2+1⁄2-story frame structure built around 1893. Designed in a transitional manner with late Victorian detailing. It was one of the first houses built in the present day Town of Somerset. |
| 64 | Sandy Spring Friends Meetinghouse | Sandy Spring Friends Meetinghouse | September 22, 1972 (#72000587) | 17715 Meeting House Road 39°08′50″N 77°01′31″W﻿ / ﻿39.147222°N 77.025278°W﻿ / 39.147222; -77.025278﻿ (Sandy Spring Friends Meetinghouse) | Sandy Spring | Large, Flemish bond brick, Federal-style Quaker Meeting House built in 1817. |
| 65 | Seneca Historic District | Seneca Historic District More images | November 15, 1978 (#78001475) | Southeast of Poolesville 39°05′28″N 77°20′48″W﻿ / ﻿39.091111°N 77.346667°W﻿ / 39.091111; -77.346667﻿ (Seneca Historic District) | Poolesville | Comprises 3,850 acres (15.6 km$^2$) of federal, state, and county parkland and farmland in which 15 historic houses are situated. The C&O Canal, including Riley's Lock House (Lock House #24), and the Seneca Sandstone Quarry and its associated buildings also stand within the district. The 15 historic houses are surrounded by dependencies of various periods, in most cases dating from the period of the dwelling. There are slave quarters, smokehouses, springhouses, corn cribs, and tobacco barns. |
| 66 | Seneca Quarry | Seneca Quarry | April 24, 1973 (#73000224) | Tschiffeley Mill Rd. 39°04′08″N 77°20′45″W﻿ / ﻿39.068889°N 77.345833°W﻿ / 39.068889; -77.345833﻿ (Seneca Quarry) | Seneca | Quarry used from 1780 to 1900. The property includes ruins of cutting and duplex buildings. |
| 67 | Silver Spring Baltimore and Ohio Railroad Station | Silver Spring Baltimore and Ohio Railroad Station More images | August 31, 2000 (#00001035) | 8100 Georgia Ave. 38°59′24″N 77°01′37″W﻿ / ﻿38.99°N 77.026944°W﻿ / 38.99; -77.026944﻿ (Silver Spring Baltimore and Ohio Railroad Station) | Silver Spring | The current Colonial Revival structure replaced an earlier 1878 Victorian style station in 1940. |
| 68 | Susanna Farm | Susanna Farm | January 27, 1983 (#83002958) | 17700 White Grounds Rd. 39°08′23″N 77°20′42″W﻿ / ﻿39.139722°N 77.345°W﻿ / 39.139722; -77.345﻿ (Susanna Farm) | Dawsonville | An L-shaped, 2+1⁄2-story 19th-century frame farmhouse. Last renovated in an Italianate style in 1877-78. Five outbuildings stand on the property, including a stone kitchen/slave quarters and meat house which are believed to be contemporary with the house, an 1870s frame bank barn, and 20th-century farm buildings |
| 69 | Takoma Avenue Historic District | Takoma Avenue Historic District More images | December 15, 2004 (#04001353) | 7906, 7908, 7910, 7912, 7914 Takoma Ave. 38°59′18″N 77°01′05″W﻿ / ﻿38.988333°N 77.018056°W﻿ / 38.988333; -77.018056﻿ (Takoma Avenue Historic District) | Takoma Park | 5 houses designed by Charles M. Goodman in 1951. |
| 70 | Takoma Park Historic District | Takoma Park Historic District | July 16, 1976 (#76001008) | Roughly bounded by D.C., Silver Spring, and east to the junction of Woodland and Elm Aves. 38°58′41″N 77°00′46″W﻿ / ﻿38.978056°N 77.012778°W﻿ / 38.978056; -77.012778﻿ (Takoma Park Historic District) | Silver Spring and Takoma Park | Originally platted in 1883 as a railroad suburb, the opening of streetcar lines led to the expansion of the district in the early 20th century. Takoma Park houses built between 1883 and 1900 are fanciful Queen Anne architecture. Buildings developed after the turn of the 20th century tend to be 1- to 2-story brick structures with simple ornamentation, although a few display characteristics of Art Deco or Tudor Revival. |
| 71 | David W. Taylor Model Basin | David W. Taylor Model Basin More images | October 17, 1985 (#85003231) | Bounded by MacArthur Boulevard and George Washington Memorial Parkway 38°58′27″N 77°11′22″W﻿ / ﻿38.974167°N 77.189444°W﻿ / 38.974167; -77.189444﻿ (David W. Taylor Model Basin) | Bethesda | One of the largest ship building basins in the world, constructed in 1938 |
| 72 | Third Addition to Rockville and Old St. Mary's Church and Cemetery | Third Addition to Rockville and Old St. Mary's Church and Cemetery More images | November 20, 1978 (#78001476) | Veirs Mill and Old Baltimore Rds. 39°04′56″N 77°08′44″W﻿ / ﻿39.082222°N 77.145556°W﻿ / 39.082222; -77.145556﻿ (Third Addition to Rockville and Old St. Mary's Church and Cemetery) | Rockville | Contains St. Mary's Church and its adjacent cemetery, both built and founded in 1817 and the Wire Hardware Store, built in 1895. St. Mary's is Montgomery County's oldest brick Catholic church and the hardware store is Rockville's last cast iron frame commercial structure. |
| 73 | Thomas and Company Cannery | Thomas and Company Cannery More images | July 5, 1990 (#90001025) | Junction of E. Diamond and N. Frederick Aves. 39°08′31″N 77°12′07″W﻿ / ﻿39.142016°N 77.201813°W﻿ / 39.142016; -77.201813﻿ (Thomas and Company Cannery) | Gaithersburg | One to two-story tall, free-standing, load-bearing brick rectangular structure composed of four discrete, structurally independent but contiguous elements, built between 1917 and 1918. An addition was constructed in 1956. |
| 74 | U.S. Atomic Energy Commission | U.S. Atomic Energy Commission More images | May 23, 2016 (#16000275) | 19901 Germantown Rd. 39°10′50″N 77°15′23″W﻿ / ﻿39.180431°N 77.256466°W﻿ / 39.180431; -77.256466﻿ (U.S. Atomic Energy Commission) | Germantown | Office complex of AEC in Germantown; now a DoE facility |
| 75 | Valhalla | Valhalla | March 15, 1982 (#82002818) | 19010 White's Ferry Rd. 39°07′51″N 77°23′51″W﻿ / ﻿39.130833°N 77.3975°W﻿ / 39.130833; -77.3975﻿ (Valhalla) | Poolesville | Two-story house constructed of local Seneca sandstone, to which are attached a ca. 1835 1+1⁄2-story log structure, and two small 20th-century one-story frame wings. |
| 76 | Walker Prehistoric Village Archeological Site | Upload image | May 12, 1975 (#75000914) | Selden Island Address Restricted | Poolesville | Prehistoric Late Woodland period Native American settlement. |
| 77 | Washington Aqueduct | Washington Aqueduct More images | September 8, 1973 (#73002123) | 5900 MacArthur Boulevard, NW. 39°00′02″N 77°14′52″W﻿ / ﻿39.000577°N 77.247887°W﻿ / 39.000577; -77.247887﻿ (Washington Aqueduct) | Great Falls | Built between 1853–1864, its Union Arch Bridge (see above) is listed as a Historic Civil Engineering Landmark |
| 78 | Washington Grove Historic District | Washington Grove Historic District More images | April 9, 1980 (#80001829) | Maryland Route 124; also roughly bounded by Washington Grove Ln., Ridge Rd., and MARC tracks. 39°08′24″N 77°10′28″W﻿ / ﻿39.14°N 77.174444°W﻿ / 39.14; -77.174444﻿ (Washington Grove Historic District) | Washington Grove | Community derived from Victorian cottages of a Methodist meeting camp; second set of addresses represent a boundary increase approved September 28, 2020 |
| 79 | West Montgomery Avenue Historic District | West Montgomery Avenue Historic District More images | May 29, 1975 (#75000915) | Residential area centered around W. Montgomery Ave. 39°05′02″N 77°09′41″W﻿ / ﻿39.083889°N 77.161389°W﻿ / 39.083889; -77.161389﻿ (West Montgomery Avenue Historic District) | Rockville | Within the vicinity of the district are houses dating from the late 18th century to the early 20th century. Architectural styles include those of the early 19th century and Late Victorian period. |
| 80 | Wiley-Ringland House | Wiley-Ringland House More images | November 22, 2000 (#00001392) | 4722 Dorset Ave. 38°57′31″N 77°05′43″W﻿ / ﻿38.958611°N 77.095278°W﻿ / 38.958611; -77.095278﻿ (Wiley-Ringland House) | Chevy Chase | 2+1⁄2-story Queen Anne-style frame building built around 1893. |
| 81 | Woodend | Woodend More images | March 20, 1980 (#80001824) | 8940 Jones Mill Rd. 39°00′09″N 77°04′01″W﻿ / ﻿39.0025°N 77.066944°W﻿ / 39.0025; -77.066944﻿ (Woodend) | Chevy Chase | 2+1⁄2-story house with Flemish bond brick walls and brick quoins. Constructed in 1929. |
| 82 | Robert Llewellyn Wright House | Robert Llewellyn Wright House More images | August 12, 1986 (#86002621) | 7927 Deepwell Dr. 39°00′27″N 77°10′02″W﻿ / ﻿39.0075°N 77.167222°W﻿ / 39.0075; -77.167222﻿ (Robert Llewellyn Wright House) | Bethesda | Two-story concrete-block structure designed by noted architect Frank Lloyd Wright in 1953, and constructed in 1957 for his sixth child. The Usonian house was designed using intersecting and concentric segments of a circle, or "hemicycles". |