# List of octagon houses

This is a list of octagon houses. The style became popular in the United States and Canada following the publication of Orson Squire Fowler's 1848 book The Octagon House, A Home for All. In the United States, 68 surviving octagon houses are included on the U.S. National Register of Historic Places (NRHP). The earliest and most notable octagon house in the Americas was Thomas Jefferson's 1806 Poplar Forest.
Orson Squire Fowler's 1848 book The Octagon House, A Home for All and his "monumental" four-story, 60-room house built during 1848–1853, Fowler's Folly in Fishkill, New York, provided inspiration for a nationwide fad. Fifty-nine of the sixty-six pre-Civil War houses on the NRHP were built between 1849 and 1861. It is reported that the owner of the first-built of these, the Rich-Twinn Octagon House in western New York, was impressed by seeing an octagon house in the Hudson River Valley, presumably Fowler's home under construction.

## Canada

At least 20 historic octagon houses are known to exist in Canada, distributed across four eastern provinces. Extant octagon houses in Canada include the following:
* In New Brunswick
** Pocologan
** Sackville: Captain George Anderson House, built in 1855, is a locally designated heritage site
* In Nova Scotia
** Tatamagouche: Fraser Octagon House, built in 1857, provincially designated heritage site
* In Ontario
       Ameliasburg, Prince Edward County Bowmanville Bracebridge: Woodchester Villa, a provincially designated heritage site Brantford Burlington: The Thomas Pickett Octagonal House, built 1860, at 6103 Guelph Line, designated under the Ontario Heritage Act Calabogie: 15 Octagon Lane Clark's Corners, Oxford County Kingsville Rupert Octagonal House (1855), Maple, at 2600 Major MacKenzie Drive (43°51′10″N 79°31′26″W﻿ / ﻿43.85279°N 79.52395°W﻿ / 43.85279; -79.52395﻿ (Rupert Octagonal House)), now Delano Academy Milton Morton, northeast of Kingston, former octagon schoolhouse, also used as a residence Mount Pleasant, Brant County: 646 Mount Pleasant Road, now used as a spa Niagara Falls: Bradley Octagon House, built 1906, at 5783 Summer Street Otterville: Woodlawn Octagon House, built 1861, moved from Millvale Peel Region: 8280 Heritage Road, near Huttonville Port Hope, built 1856 Picton, Prince Edward County, built ca. 1860 Westport, on Upper Rideau Lake
* In Quebec
** Guérin
* Bradley Octagon House, Niagara Falls, Ontario
* Rupert Octagonal House, Maple

## United States

Download coordinates as:
* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)
Notable octagon houses in the U.S. include the following, more than 80 in number, in date built order. The octagonal outlines of these houses may be seen in Google maps and other satellite photo services, by zooming in from satellite view above, to their locations. Specifically, almost all of the following listed ones are mapped and may be observed via satellite view in the Google external link here (click on "Map of all coordinates" to the right).
Of these, six are further designated National Historic Landmarks of the United States: Armour-Stiner House in the Hudson River valley in New York, which is perhaps the only domed octagon house in the world; The Octagon House in Washington, D.C. (which is actually more of a hexagon), where President Madison lived after the White House was burnt by the British; Thomas Jefferson's retreat Poplar Forest; May's Folly in Georgia; Samuel Sloan-designed Longwood in Natchez, Mississippi, still unfinished after its construction was halted by the American Civil War; and Waverley, also in Mississippi.
At least one of the houses has been claimed to have been used as "stations" sheltering escaped slaves on the Underground Railroad: the Octagon House in Fond du Lac, Wisconsin, although that claim has been disputed.
Including post-Civil War constructed houses, there are now at least 84 octagon houses that are listed on the National Register of Historic Places.
Octagon houses were particularly popular in New York State. There were 120 octagon houses in New York State, of which 13 are listed on the National Register and listed below.
In 1958 Carl F. Schmidt published The Octagon Fad which attempted to inventory the Fowler-inspired homes, most of which were built prior to 1915 in North America. However, only a small fraction of the total are notable and extant.
New Jersey is believed to have had 46 octagon houses and octagon school houses, with 15 houses and one schoolhouse surviving in 2016.
| House name | Date built | Location | County or equivalent | State | Description |
| Poplar Forest | 1806 | 1548 Bateman Bridge Road, Forest, VA 24551 37°20′54″N 79°15′54″W﻿ / ﻿37.34826°N 79.26495°W﻿ / 37.34826; -79.26495﻿ (Thomas Jefferson's Poplar House) | Lynchburg | VA | Retreat for, and designed by, Thomas Jefferson, NRHP |
| The Glebe (Arlington, Virginia) | 1815 | 4527 17th St., N., Arlington 38°53′30″N 77°7′4″W﻿ / ﻿38.89167°N 77.11778°W﻿ / 38.89167; -77.11778﻿ (The Glebe, Arlington, VA) | Arlington | VA | NRHP |
| May's Folly | 1829 | 527 1st Ave., Columbus, Georgia 32°27′21″N 84°59′37″W﻿ / ﻿32.45583°N 84.99361°W﻿ / 32.45583; -84.99361﻿ (May's Folly) | Muscogee | GA | NRHP |
| Waverley (West Point, Mississippi) | 1840 | West Point 33°34′9″N 88°30′13″W﻿ / ﻿33.56917°N 88.50361°W﻿ / 33.56917; -88.50361﻿ (Waverley, West Point, MS) | Clay | MS | NRHP |
| T. R. R. Cobb House | 1842 | 194 Prince Ave., Athens 33°57′40″N 83°22′54″W﻿ / ﻿33.96111°N 83.38167°W﻿ / 33.96111; -83.38167﻿ (T. R. R. Cobb House, Athens, GA) | Clarke | GA | NRHP |
| Yale-Cady Octagon House and Yale Lock Factory Site | 1849 | 7550 N. Main St., Newport 43°11′34″N 75°1′6″W﻿ / ﻿43.19278°N 75.01833°W﻿ / 43.19278; -75.01833﻿ (Yale-Cady Octagon House, Newport, NY) | Herkimer | NY | NRHP |
| Rich-Twinn Octagon House | 1849 | 145 Main Street, Akron 43°1′19″N 78°29′44″W﻿ / ﻿43.02194°N 78.49556°W﻿ / 43.02194; -78.49556﻿ (Rich-Twinn Octagon House, Akron, NY) | Erie | NY | NRHP |
| Capt. Rodney J. Baxter House | 1850 | South and Pearl Sts., Barnstable 41°39′0″N 70°17′6″W﻿ / ﻿41.65000°N 70.28500°W﻿ / 41.65000; -70.28500﻿ (Capt. Rodney J. Baxter House, Barnstable, MA) | Barnstable | MA | Only surviving house credited by NRHP to Orson Squire Fowler. Concrete walls. Property includes an octagonal carriage house as well. |
| Edward A. Brackett House | 1850 | 290 Highland Ave., Winchester 42°27′0″N 71°7′45″W﻿ / ﻿42.45000°N 71.12917°W﻿ / 42.45000; -71.12917﻿ (Edward A. Brackett House, Winchester, MA) | Middlesex | MA | NRHP |
| James Coolidge Octagon House | 1850 | 7271 Main St., Madison 42°53′52.82″N 75°31′1.6″W﻿ / ﻿42.8980056°N 75.517111°W﻿ / 42.8980056; -75.517111﻿ (James Coolidge Octagon House, Madison, NY) | Madison | NY | Rare example of Octagon house that is also a cobblestone house. |
| Dubois-Sarles Octagon | 1850 | 16 South St., Marlboro 41°36′2″N 73°58′27″W﻿ / ﻿41.60056°N 73.97417°W﻿ / 41.60056; -73.97417﻿ (Dubois-Sarles Octagon, Marlboro, NY) | Ulster | NY | Rare octagon house with sidehall interior plan (NRHP) |
| Octagon Cottage (Rocky Hill, Kentucky) | 1850 | Near Rocky Hill 36°58′10″N 86°2′44″W﻿ / ﻿36.96944°N 86.04556°W﻿ / 36.96944; -86.04556﻿ (Octagon Cottage, Rocky Hill, KY) | Barren | KY | NRHP |
| Jacob Woodruff House | 1850 | 610 Liberty Street Ripon 43°50′52″N 88°50′49″W﻿ / ﻿43.84778°N 88.84694°W﻿ / 43.84778; -88.84694﻿ (Jacob Woodruff House, Ripon, WI) | Fond du Lac | WI | NRHP |
| Enoch Fuller House | 1850 | 72 Pine St., Stoneham 42°28′32″N 71°5′55″W﻿ / ﻿42.47556°N 71.09861°W﻿ / 42.47556; -71.09861﻿ (Enoch Fuller House, Stoneham, MA) | Middlesex | MA | NRHP |
| William Bryant Octagon House | 1850 | 2 Spring Street, Stoneham 42°28′54″N 71°5′40″W﻿ / ﻿42.48167°N 71.09444°W﻿ / 42.48167; -71.09444﻿ (William Bryant Octagon House, Stoneham, MA) | Middlesex | MA | NRHP |
| Elias Crawford House | 1851 | 3 Norwood St., Worcester 42°15′10″N 71°49′9″W﻿ / ﻿42.25278°N 71.81917°W﻿ / 42.25278; -71.81917﻿ (Elias Crawford House, Worcester, MA) | Worcester | MA | NRHP |
| The Octagon | 1852 | 297 East Perry Street, Tiffin 41°7′0″N 83°10′5″W﻿ / ﻿41.11667°N 83.16806°W﻿ / 41.11667; -83.16806﻿ (The Octagon, Tiffin, OH) | Ohio | OH | NRHP |
| Octagon House (Danbury, Connecticut) | 1852 | 21 Spring Street, Danbury 41°23′42″N 73°27′34″W﻿ / ﻿41.39500°N 73.45944°W﻿ / 41.39500; -73.45944﻿ (Octagon House, Danbury, CT) | Fairfield | CT | NRHP. Considered best example of style among Connecticut's remaining octagon houses. |
| 2130 East Broad Street | 1853 | 2130 East Broad Street, Bexley, Ohio 39°58′09″N 82°56′38″W﻿ / ﻿39.9691°N 82.944°W﻿ / 39.9691; -82.944﻿ (2130 East Broad Street, Bexley, OH) | Franklin | OH | |
| Octagon House (Watertown, Wisconsin) | 1853 | 919 Charles St., Watertown, Wisconsin 43°11′5.03″N 88°42′27.31″W﻿ / ﻿43.1847306°N 88.7075861°W﻿ / 43.1847306; -88.7075861﻿ (Octagon House, Watertown, WI) | Jefferson | WI | NRHP |
| Estabrook Octagon House | 1853 | 8 River St., Hoosick Falls 42°53′47″N 73°21′11″W﻿ / ﻿42.89639°N 73.35306°W﻿ / 42.89639; -73.35306﻿ (Estabrook Octagon House, Hoosick Falls, NY) | Rensselaer | NY | NRHP. One of the few remaining octagon houses built in strict compliance with Fowler's theories, other than the use of Rosendale cement. |
| Williams and Stancliff Octagon Houses | 1853 | 26 and 28 Marlborough Street, Portland 41°34′21″N 72°38′20″W﻿ / ﻿41.57250°N 72.63889°W﻿ / 41.57250; -72.63889﻿ (Williams and Stancliff Octagon Houses, Portland, CT) | Middlesex | CT | Two octagon houses, side-by-side (Northern on pictured). NRHP |
| Denton Octagon House | 1853 | 760 Castle Street, Geneva | Ontario | NY | (Not NRHP) |
| Charles Lawton House | 1853 | East side of the road at 416 S. Corey St. on NE corner of Corey & Washington Sts.Griggsville, IL | Griggsville | IL | Stucco over brick construction |
| John Gibbs House | 1853 | 1038 Dark Moon Road, Johnsonburg 40°58′07″N 74°52′05″W﻿ / ﻿40.96861°N 74.86806°W﻿ / 40.96861; -74.86806﻿ (John Gibbs House, Johnsonburg, NJ) | Warren County | NJ | Gothic Revival. NRHP contributing property in Johnsonburg Historic District |
| Currier House (Almont, Michigan) | 1854 | 231 E St. Clair Street, Almont 42°55′14″N 83°3′42″W﻿ / ﻿42.92056°N 83.06167°W﻿ / 42.92056; -83.06167﻿ (The Currier Octagon House, Almont, MI) | Lapeer | MI | Registered Michigan Historical Site and current offices of Four County Community Foundation |
| Clarence Darrow Octagon House | 1854 | 8405 Main Street, Kinsman 41°26′59″N 80°35′5″W﻿ / ﻿41.44972°N 80.58472°W﻿ / 41.44972; -80.58472﻿ (Clarence Darrow Octagon House) | Trumbull | OH | Boyhood home of lawyer Clarence Darrow, made of chestnut logs and concrete. NRHP |
| Andrew Gildersleeve Octagonal Building | 1854 | Main Rd. and Love Lane, Mattituck 40°59′28″N 72°31′25″W﻿ / ﻿40.99111°N 72.52361°W﻿ / 40.99111; -72.52361﻿ (Andrew Gildersleeve Octagonal Building, Mattituck, NY) | Suffolk | NY | NRHP |
| Pressey House | 1854 | 287 Summer St., Oakland 44°32′28″N 69°43′30″W﻿ / ﻿44.54111°N 69.72500°W﻿ / 44.54111; -69.72500﻿ (Pressey House, Kennebec, ME) | Kennebec | ME | NRHP |
| Henry H. Smith/J.H. Murphy House | 1854 | 512 E. 6th St., Davenport 41°31′34″N 90°34′3″W﻿ / ﻿41.52611°N 90.56750°W﻿ / 41.52611; -90.56750﻿ (Henry H. Smith/J.H. Murphy House, Davenport, IA) | Scott | IA | NRHP |
| Garret Rickards House | 1854 | 211 Cornelia St., Boonton 40°54′23″N 74°24′32″W﻿ / ﻿40.90639°N 74.40889°W﻿ / 40.90639; -74.40889﻿ (Garret Rickards House, Boonton, NJ) | Morris | NJ | Italianate. NRHP contributing property in Boonton Historic District |
| Nathaniel Myers House | 1854 | 224 Cornelia St., Boonton 40°54′25″N 74°24′32″W﻿ / ﻿40.906873°N 74.408953°W﻿ / 40.906873; -74.408953﻿ (Nathaniel Myers House, Boonton, NJ) | Morris | NJ | Italianate, now rectory of St. John's Episcopal Church. NRHP contributing property in Boonton Historic District |
| Wildfell | 1854 | NW of Darlington on U.S. 1 39°39′4″N 76°13′11″W﻿ / ﻿39.65111°N 76.21972°W﻿ / 39.65111; -76.21972﻿ (Wildfell) | Harford | MD | NRHP |
| Hall-Crull Octagonal House | 1855 | North of Rushville 39°44′39″N 85°23′10″W﻿ / ﻿39.74417°N 85.38611°W﻿ / 39.74417; -85.38611﻿ (Hall-Crull Octagon House, Indiana) | Rush | IN | NRHP |
| Richard Barker Octagon House | 1855 | 312 Plantation Street, Worcester 42°16′11″N 71°46′16″W﻿ / ﻿42.26972°N 71.77111°W﻿ / 42.26972; -71.77111﻿ (Richard Barker Octagon House, Worcester, MA) | Worcester | MA | NRHP |
| Capt. George Scott House | 1855 | Federal St., Wiscasset 44°0′27″N 69°39′35″W﻿ / ﻿44.00750°N 69.65972°W﻿ / 44.00750; -69.65972﻿ (Capt. George Scott House, Wiscasset, ME) | Lincoln | ME | NRHP |
| Jenkins Octagon House | 1855 | NY 395, Duanesburg 42°45′31″N 74°11′7″W﻿ / ﻿42.75861°N 74.18528°W﻿ / 42.75861; -74.18528﻿ (Jenkins Octagon House, Duanesburg, NY) | Schenectady | NY | NRHP, designed and built by Alexander Delos "Boss" Jones |
| Inkwell (Lake Landing, North Carolina) | 1855 | E of Lake Landing at 30868 US 264, Lake Landing Township, Engelhard 35°29′5″N 76°3′11″W﻿ / ﻿35.48472°N 76.05306°W﻿ / 35.48472; -76.05306﻿ (Inkwell, Lake Landing, NC) | Hyde | NC | NRHP |
| Dr. Buck-Stevens House | 1855 | W. Main St., Brasher Falls 44°48′27″N 74°46′32″W﻿ / ﻿44.80750°N 74.77556°W﻿ / 44.80750; -74.77556﻿ (Dr. Buck-Stevens House, Brasher Falls, NY) | St. Lawrence | NY | NRHP |
| Shute Octagon House | 1855 | McGuire School Road, Duanesburg 42°46′28″N 74°13′10″W﻿ / ﻿42.77444°N 74.21944°W﻿ / 42.77444; -74.21944﻿ (Shute Octagon House, Duanesburg, NY) | Schenectady | NY | NRHP, designed and built by Alexander Delos "Boss" Jones |
| John S. Moffat House | 1855 | 1004 3rd Street Hudson 44°58′51″N 92°45′19″W﻿ / ﻿44.98083°N 92.75528°W﻿ / 44.98083; -92.75528﻿ (Octagon House, Hudson, WI) | St. Croix | WI | NRHP |
| Sinnett Octagon House | 1855 | Muscatine 41°27′11″N 91°1′50″W﻿ / ﻿41.45306°N 91.03056°W﻿ / 41.45306; -91.03056﻿ (Sinnett Octagon House, Muscatine, IA) | Muscatine | IA | NRHP |
| Silas Field House | 1855 | 63 Elmwood Ave. | Providence | RI | Built by "an aristocratic jeweler named Silas Field" |
| Miles B. Lawson House | 1855 | 669 Public St | Providence | RI | |
| Frazier-Pressly House | 1856 | Abbeville County 34°04′55.7″N 82°18′07.9″W﻿ / ﻿34.082139°N 82.302194°W﻿ / 34.082139; -82.302194﻿ (Frazier-Pressley House, Abbeville County, SC) | Abbeville | SC | NRHP contributing property |
| Palmer-Gullickson Octagon House | 1856 | 358 Leonard St., West Salem 43°54′5″N 91°4′54″W﻿ / ﻿43.90139°N 91.08167°W﻿ / 43.90139; -91.08167﻿ (Palmer Brother's Octagons, West Salem, WI) | La Crosse | WI | NRHP |
| Deacon West Octagon House | 1856 | 370 High St., Pewaukee 43°5′16″N 88°15′54″W﻿ / ﻿43.08778°N 88.26500°W﻿ / 43.08778; -88.26500﻿ (Deacon West Octagon House, Pewaukee, WI) | Waukesha | WI | NRHP |
| Langworthy House | 1856 | 1095 W. 3rd St., Dubuque 42°29′42″N 90°40′45″W﻿ / ﻿42.49500°N 90.67917°W﻿ / 42.49500; -90.67917﻿ (Langworthy House, Dubuque, IA) | Dubuque | IA | NRHP |
| Lukens Pierce House | 1856 | NW of Ercildoun on Wilmington Rd., Ercildoun 39°57′9″N 75°51′0″W﻿ / ﻿39.95250°N 75.85000°W﻿ / 39.95250; -75.85000﻿ (Lukens Pierce House, Ercildoun, PA) | Chester | PA | NRHP |
| Octagon House (Fond du Lac, Wisconsin) | 1856 | 276 Linden St., Fond du Lac 43°46′15.97″N 88°26′54.03″W﻿ / ﻿43.7711028°N 88.4483417°W﻿ / 43.7711028; -88.4483417﻿ (Octagon House, Fond du Lac, WI) | Fond du Lac | WI | Claimed to be haunted, has passageways claimed to be "secret", and claimed to have been used as a safe house on the Underground Railway (although Underground Railway claim has been especially strongly disputed). NRHP |
| George F. Lee Octagon Houses | 1856 | South of Nebraska City 40°34′19″N 95°48′10″W﻿ / ﻿40.57194°N 95.80278°W﻿ / 40.57194; -95.80278﻿ (George F. Lee Octagon Houses, Otoe County, NE) | Otoe | NE | NRHP |
| Wilcox Octagon House | 1856 | 5420 W. Genesee St., Camillus 43°2′28″N 76°16′42″W﻿ / ﻿43.04111°N 76.27833°W﻿ / 43.04111; -76.27833﻿ (Wilcox Octagon House) | Onondaga | NY | Camillus Historical Society occupies it today. NRHP |
| Stephen Harnsberger House | 1856 | Holly Ave., Grottoes 38°16′30″N 78°49′49″W﻿ / ﻿38.27500°N 78.83028°W﻿ / 38.27500; -78.83028﻿ (Stephen Harnsberger House, Grottoes, VA) | Rockingham | VA | NRHP |
| Abijah Thomas House | 1856 | SW of Marion on VA 657, Marion 36°46′27″N 81°34′13″W﻿ / ﻿36.77417°N 81.57028°W﻿ / 36.77417; -81.57028﻿ (Abijah Thomas House, Marion, VA) | Smyth County | VA | NRHP |
| Hiram Smith House | 1856 | 336 Main Street or 343 Smith Street, Neenah 44°11′10″N 88°28′7″W﻿ / ﻿44.18611°N 88.46861°W﻿ / 44.18611; -88.46861﻿ (Hiram Smith House, Neenah, WI) | Winnebago | WI | NRHP |
| Edward Elderkin House | 1856 | 127 S. Lincoln St., Elkhorn 42°40′5″N 88°33′9″W﻿ / ﻿42.66806°N 88.55250°W﻿ / 42.66806; -88.55250﻿ (Edward Elderkin House, Elkhorn, WI) | Walworth | WI | NRHP |
| James L. Lawther House | 1857 | 927 W. 3rd St., Red Wing 44°33′43″N 92°32′27″W﻿ / ﻿44.56194°N 92.54083°W﻿ / 44.56194; -92.54083﻿ (James L. Lawther House, Red Wing, MN) | Goodhue | MN | NRHP |
| Feusier Octagon House | 1857 | 1067 Green Street, San Francisco 37°47′55″N 122°25′00″W﻿ / ﻿37.798543°N 122.416679°W﻿ / 37.798543; -122.416679﻿ (Feusier Octagon House, San Francisco, CA) | San Francisco | CA | NRHP |
| Albert S. Potter Octagon House | 1857 | 4 Carolina Main Street, Richmond | Washington County | RI | NRHP contributing property (Carolina Village Historic District) |
| Wallingford Octagon House | ca. 1857 | 37 New Place Street, Wallingford | New Haven County | CT | Historic Buildings of CT |
| Norrish House | 1858 | West 2nd Street and Spring Street Hastings 44°44′38.5″N 92°51′20″W﻿ / ﻿44.744028°N 92.85556°W﻿ / 44.744028; -92.85556﻿ (Norrish House) | Dakota County | MN | NRHP contributing property |
| Hiram Ramsdell House | 1858 | High and Perham Sts., Farmington 44°40′17″N 70°8′59″W﻿ / ﻿44.67139°N 70.14972°W﻿ / 44.67139; -70.14972﻿ (Hiram Ramsdell House, Farmington, ME) | Franklin | ME | NRHP |
| Capt. Josiah E. Chase Octagon House | 1858 | Chase Mill Road, East Limington 43°43′39″N 70°39′40″W﻿ / ﻿43.72750°N 70.66111°W﻿ / 43.72750; -70.66111﻿ (Capt. Josiah E. Chase Octagon House, Limington, ME) | York | ME | NRHP |
| Prime-Octagon House | 1859 | 41 Prime Ave., Huntington 40°52′28″N 73°25′23″W﻿ / ﻿40.87444°N 73.42306°W﻿ / 40.87444; -73.42306﻿ (Prime-Octagon House, Huntington, NY) | Suffolk | NY | NRHP |
| Timothy M. Younglove Octagon House | 1859 | 8329 Pleasant Valley Road, Urbana 42°24′17″N 77°14′37″W﻿ / ﻿42.40472°N 77.24361°W﻿ / 42.40472; -77.24361﻿ (Timothy M. Younglove Octagon House, Urbana, NY) | Steuben | NY | NRHP |
| Zelotes Holmes House | 1859 | 619 East Main Street, Laurens, South Carolina 34°29′57″N 82°0′5″W﻿ / ﻿34.49917°N 82.00139°W﻿ / 34.49917; -82.00139﻿ (Octagon House, Laurens, SC) | Laurens | SC | Believed to be the first concrete house erected in South Carolina; NRHP |
| Gutherie Octagon House | 1850s | Westland | Wayne | MI | Now part of The Westland Historic Village Park, the central portion of the house was built in the 1850s. The two wings were added in the 1930s. The Gutherie family was, and still is, in the lumber industry, which explains the use of Chinese Hemlock on the inside of the house. |
| Armour-Stiner House | 1860 | 45 W. Clinton Ave., Irvington 41°01′51″N 73°52′13″W﻿ / ﻿41.030803°N 73.870415°W﻿ / 41.030803; -73.870415﻿ (Armour-Stiner House) | Westchester | NY | Also known as the Carmer Octagon House for 20th Century owner, noted writer Carl Carmer. It may be the only domed octagon house in the world. NRHP |
| David Van Gelder Octagon House | 1860 | 47 Division St., Catskill 42°13′4″N 73°52′26″W﻿ / ﻿42.21778°N 73.87389°W﻿ / 42.21778; -73.87389﻿ (Van Gelder, David, Octagon House) | Greene | NY | NRHP |
| Gen. Francis H. West House | 1860 | 1410 17th Avenue Monroe 42°35′53″N 89°38′15″W﻿ / ﻿42.59806°N 89.63750°W﻿ / 42.59806; -89.63750﻿ (Gen. Francis H. West House, Monroe, WI) | Green | WI | NRHP |
| Octagon House (Barrington, Illinois) | 1860 | 223 W. Main St., Barrington 42°9′15.17″N 88°8′25.65″W﻿ / ﻿42.1542139°N 88.1404583°W﻿ / 42.1542139; -88.1404583﻿ (Octagon House, Barrington, IL) | Cook | IL | NRHP |
| Octagon House (Reading, Massachusetts) | 1860 | 97 Pleasant St., Reading 42°31′26″N 71°6′3″W﻿ / ﻿42.52389°N 71.10083°W﻿ / 42.52389; -71.10083﻿ (Octagon House, Reading, MA) | Middlesex | MA | A Carpenter Gothic house that is also octagonal. NRHP |
| Wallace-Jagdfeld Octagon House | 1860 | 171 Forest Ave., Fond du Lac 43°46′44″N 88°27′13″W﻿ / ﻿43.77889°N 88.45361°W﻿ / 43.77889; -88.45361﻿ (Wallace-Jagdfeld Octagon House, Fond du Lac, WI) | Fond du Lac | WI | NRHP |
| Newton Homestead | 1860 | Ridge Rd., South Otselic 42°39′4″N 75°47′8″W﻿ / ﻿42.65111°N 75.78556°W﻿ / 42.65111; -75.78556﻿ (Newton Homestead, South Otselic, NY) | Chenango | NY | NRHP |
| Charles Butler House (Franklin, Ohio) | 1860 | 13 E. Jackson St., Franklin 39°33′52″N 84°18′0″W﻿ / ﻿39.56444°N 84.30000°W﻿ / 39.56444; -84.30000﻿ (Charles Butler House, Franklin, OH) | Warren | OH | NRHP |
| John Hosford House | 1860 | 64 Sandusky St., Monroeville 41°14′44″N 82°41′46″W﻿ / ﻿41.24556°N 82.69611°W﻿ / 41.24556; -82.69611﻿ (John Hosford House, Monroeville, OH) | Huron | OH | NRHP |
| David Cummins Octagon House | 1860 | 301 Liberty Street, Conneaut 41°56′28″N 80°33′26″W﻿ / ﻿41.94111°N 80.55722°W﻿ / 41.94111; -80.55722﻿ (David Cummins Octagon House, Conneaut, OH) | Ashtabula | OH | NRHP |
| Longwood (Natchez, Mississippi) | 1860 | Natchez 31°32′12″N 91°24′17″W﻿ / ﻿31.53667°N 91.40472°W﻿ / 31.53667; -91.40472﻿ (Longwood) | Adams | MS | Antebellum mansion, interior unfinished as construction was suspended at outbreak of American Civil War. NRHP |
| Loren Andrus Octagon House | 1860 | 57500 Van Dyke Street, Washington 42°43′6″N 83°2′6″W﻿ / ﻿42.71833°N 83.03500°W﻿ / 42.71833; -83.03500﻿ (Loren Andrus Octagon House, Washington, MI) | Macomb | MI | NRHP |
| Borden Farm Stable House | 1860 | 621 May Road, Thompson 41°48′48″N 75°29′3″W﻿ / ﻿41.81333°N 75.48417°W﻿ / 41.81333; -75.48417 | Susquehanna | PA | Built as a stable, converted to a house. |
| Jeremiah Schellinger House | 1860 | 1386 Lafayette Street, Cape May 38°56′45″N 74°54′42″W﻿ / ﻿38.94583°N 74.91167°W﻿ / 38.94583; -74.91167 | Cape May | NJ | Italianate. NRHP contributing property in Cape May Historic District |
| Octagon House (Westfield, Massachusetts) | 1861 | 28 King Street, Westfield 42°7′17″N 72°45′19″W﻿ / ﻿42.12139°N 72.75528°W﻿ / 42.12139; -72.75528﻿ (Octagon House, Westfield, MA) | Hampden | MA | NRHP |
| Petty-Roberts-Beatty House | 1859–61 | 103 N. Midway, Clayton 31°52′43″N 85°26′58″W﻿ / ﻿31.87861°N 85.44944°W﻿ / 31.87861; -85.44944﻿ (Petty-Roberts-Beatty House, Clayton, AL) | Barbour | AL | NRHP. One of only two known to have been built in Alabama. The other, the Lane House, has been destroyed. |
| McElroy Octagon House | 1861 | 2645 Gough Street, San Francisco 37°47′52″N 122°25′38″W﻿ / ﻿37.797842°N 122.427328°W﻿ / 37.797842; -122.427328﻿ (McElroy Octagon House, San Francisco, CA) | San Francisco | CA | NRHP; Structural concrete construction |
| Octagon Hall | 1862 | Franklin, Kentucky vic. 36°48′25″N 86°33′25″W﻿ / ﻿36.80694°N 86.55694°W﻿ / 36.80694; -86.55694﻿ (Octagon Hall) | Simpson | KY | NRHP-listed |
| Lyman White House | 1862 | 127 N. Newcomb St. | Whitewater | WI | Small two-story frame octagonal house. |
| Nathan B. Devereaux Octagon House | 1864 | 66425 Eight Mile Road, Northfield Township 42°25′46″N 83°41′56″W﻿ / ﻿42.42944°N 83.69889°W﻿ / 42.42944; -83.69889﻿ (Nathan B. Devereaux Octagon House, Northfield, MI) | Washtenaw | MI | NRHP |
| The Pratt and Buckingham Octagon House | 1865 | 99 Chestnut Street, Fredonia 42°26′18″N 79°20′17″W﻿ / ﻿42.43833°N 79.33806°W﻿ / 42.43833; -79.33806﻿ (Pratt and Buckingham Octagon House, Fredonia, NY) | Chautauqua | NY | House and carriage house of concrete construction; house closely followed Fowler floor plans. |
| William Waterfield House | 1867 | 308 3rd St., S., Raymond 42°27′54″N 92°13′11″W﻿ / ﻿42.46500°N 92.21972°W﻿ / 42.46500; -92.21972﻿ (William Waterfield House, Raymond, IA) | Black Hawk | IA | NRHP |
| Randall House | 1870 | 5927 Treasurer Rd., Mayville 43°20′22″N 83°19′20″W﻿ / ﻿43.33944°N 83.32222°W﻿ / 43.33944; -83.32222﻿ (Randall House, Mayville, MI) | Tuscola | MI | NRHP |
| Chickasaw Octagon House | 1871 | Court Street, Chickasaw Township 43°2′11″N 92°29′58″W﻿ / ﻿43.03639°N 92.49944°W﻿ / 43.03639; -92.49944﻿ (Chickasaw Octagon House, Chickasaw, Iowa) | Chickasaw | IA | NRHP |
| Nathanial Brittan Party House | 1872 | 125 Dale Avenue 37°30′02″N 122°16′15″W﻿ / ﻿37.50056°N 122.27083°W﻿ / 37.50056; -122.27083 | San Carlos | CA | NRHP, Victorian-style, two-and-a-half story redwood framed structure with an octagonal folly. |
| Jane Ross Reeves Octagon House | 1879 | 400 Railroad Street, Shirley 39°53′26″N 85°34′37″W﻿ / ﻿39.89056°N 85.57694°W﻿ / 39.89056; -85.57694﻿ (Jane Ross Reeves Octagon House, Shirley, IN) | Hancock | IN | NRHP |
| Clapp Octagon House | 1880 | St. Augustine 29°53′14″N 81°17′20″W﻿ / ﻿29.887346°N 81.288877°W﻿ / 29.887346; -81.288877﻿ (Clapp Octagon House, St. Augustine, FL) | St. Johns | FL | (not NRHP) |
| Ezekiel B. Zimmerman Octagon House | 1883 | Near Marshallville 40°55′22″N 81°45′47″W﻿ / ﻿40.92278°N 81.76306°W﻿ / 40.92278; -81.76306﻿ (Ezekiel B. Zimmerman Octagon House, Marshallville, OH) | Wayne | OH | NRHP |
| Dr. Nathan and Lula Cass House | 1885 | 502 N. Travis Ave., Cameron 30°50′44″N 96°58′38″W﻿ / ﻿30.84556°N 96.97722°W﻿ / 30.84556; -96.97722﻿ (Dr. Nathan and Lula Cass House, Cameron, TX) | Milam | TX | NRHP |
| Robert Waugh House | 1886 | 202 School St., Sparland 41°01.759′N 89°26.43′W﻿ / ﻿41.029317°N 89.44050°W﻿ / 41.029317; -89.44050﻿ (Robert Waugh House) | Marshall | IL | NRHP |
| Judge Henry L. Benson House | 1892 | 137 High St., Klamath Falls 42°13′25″N 121°47′7″W﻿ / ﻿42.22361°N 121.78528°W﻿ / 42.22361; -121.78528﻿ (Judge Henry L. Benson House, Klamath Falls, OR) | Klamath | OR | NRHP |
| Longfellow-Hastings House | 1893 | Heritage Square 3800 Homer St., Los Angeles 34°05′17.5″N 118°12′30.7″W﻿ / ﻿34.088194°N 118.208528°W﻿ / 34.088194; -118.208528﻿ (Longfellow-Hastings House, Pasadena, CA) | Los Angeles | CA | NRHP Located at 85 S. Allen Ave., Pasadena at time of placement on NRHP 34°8′40″N 118°6′45″W﻿ / ﻿34.14444°N 118.11250°W﻿ / 34.14444; -118.11250﻿ (Longfellow-Hastings House, Pasadena, CA) |
| Hattie O. and Henry Drake Octagon House | 1893 | 605 3rd Street, SW, Huron 44°21′49″N 98°13′26″W﻿ / ﻿44.36361°N 98.22389°W﻿ / 44.36361; -98.22389﻿ (Drake Octagon House, Huron, SD) | Beadle | SD | NRHP |
| William H. McCreery House | 1900 | 746 N. Washington Ave., Loveland 40°23′57″N 105°4′10″W﻿ / ﻿40.39917°N 105.06944°W﻿ / 40.39917; -105.06944﻿ (Wm. H. McCreery House, Loveland, CO) | Larimer | CO | NRHP |
| Arthur W. and Chloe B. Cole House | 1901 | 5803 Rocky Branch Rd., Houston, Missouri 37°15′42″N 92°1′58″W﻿ / ﻿37.26167°N 92.03278°W﻿ / 37.26167; -92.03278﻿ (Arthur and Chloe Cole Octagon House, Houston, MO) | Texas | MO | NRHP |
| George H. Gallup House | 1901 | 703 S. Chestnut Street, Jefferson, Iowa | Greene | IA | NRHP, boyhood home of George Gallup |
| Hobbit House | 1907 | 821 Lincoln Pl., Boulder, Colorado 40°00′08.5″N 105°16′53.3″W﻿ / ﻿40.002361°N 105.281472°W﻿ / 40.002361; -105.281472﻿ (Hobbit House) | Boulder | CO | Built by brick mason Benjamin Franklin Gregg for Oliver and Mary DeMotte. Duplex with independent basement and main unit, 6 bedroom/4 bathroom underwent major remodel in 2019-20 after lengthy permitting process with the city of Boulder, preserving original stone foundation and footprint, exterior lines and features. Only octagon house in the state of Colorado. House was named by the 1st group of CU Boulder students to live there after the remodel, due to unusual semi-circle door and windows and inordinate number of stairs with low headers leading to basement. |
| Other C. Wamsley House | 1909 | 200 N. 5th St., Hamilton 46°14′54″N 114°9′37″W﻿ / ﻿46.24833°N 114.16028°W﻿ / 46.24833; -114.16028﻿ (Other C. Wamsley House, Hamilton, MT) | Ravalli | MT | NRHP |
| Gallaher House | 1914 | 600 12th St., Mansfield 48°0′28″N 119°40′31″W﻿ / ﻿48.00778°N 119.67528°W﻿ / 48.00778; -119.67528﻿ (Gallaher House, Mansfield, WA) | Douglas | WA | NRHP |
| Chemosphere | 1960 | Los Angeles | Los Angeles | CA | |
| The Ocho | 1963 | 21 Cascade Walk 37°45′15″N 122°28′12″W﻿ / ﻿37.75414°N 122.47009°W﻿ / 37.75414; -122.47009﻿ (The Ocho) | San Francisco | CA | As briefly seen in Dirty Harry |
| Armory Revival Octagon House | 1988 | 68-76 Harrison St 41°48′53.1″N 71°25′45.1″W﻿ / ﻿41.814750°N 71.429194°W﻿ / 41.814750; -71.429194﻿ (Armory Revival Octagon House) | Providence | RI | 4 Condominium duplex apartments with separate entrances. Located in the Broadway-Armory Historic District |
| | | 8273 Alloway Road, Lyons, New York | Wayne | NY | Rare cobblestone octagon house built originally at least partially as a blacksmith shop, per this source. |

### Notable former octagon houses

| House name | Date built | Location | County or equivalent | State | Description |
| Fowler's Folly | 1853 | Fishkill | Dutchess | NY | Octagonal home of Orson Squire Fowler, built 1848–1853, condemned as a public health hazard and dynamited in 1897. |
| Russell Octagon House | 1859 | Bloomfield | Davis | IA | NRHP; removed from NRHP in 1998 due to deterioration and lack of maintenance. |
| John Wood Octagonal House | 1864 | Quincy | Adams | IL | Built by the town's founder, John Wood, later the governor of Illinois, at a cost said of $200,000. Demolished in the 1950s or 1960s |
| Octagonal House | 1875 | Ames | Story | IA | Constructed in the 1870s, demolished in 1982. Namesake and original location of The Octagon Center for the Arts. |
| Octagon House (Stamford, Connecticut) | N.A. | 120 Strawberry Hill Avenue, Stamford 41°3′50.29″N 73°32′7.49″W﻿ / ﻿41.0639694°N 73.5354139°W﻿ / 41.0639694; -73.5354139﻿ (Octagon House, Stamford, CT) | Fairfield | CT | NRHP; destroyed by fire in 1985. |
| Octagon house Fort Atkinson | | Fort Atkinson | Jefferson | WI | Photo shows former existence. |