# National Register of Historic Places listings in Lewis and Clark County, Montana

This is a list of the National Register of Historic Places listings in Lewis and Clark County, Montana.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Lewis and Clark County, Montana, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.
There are 79 properties and districts listed on the National Register in the county.
This National Park Service list is complete through NPS recent listings posted February 28, 2025.
Download coordinates as:
* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Algeria Shrine Temple | Algeria Shrine Temple | April 14, 1988 (#88000434) | Neill and Park Aves. 46°35′43″N 112°02′21″W﻿ / ﻿46.595278°N 112.039167°W﻿ / 46.595278; -112.039167﻿ (Algeria Shrine Temple) | Helena | |
| 2 | Alice Creek Historic District | Alice Creek Historic District | June 6, 2007 (#06000531) | Helena National Forest 47°08′22″N 112°27′30″W﻿ / ﻿47.139444°N 112.458333°W﻿ / 47.139444; -112.458333﻿ (Alice Creek Historic District) | Lincoln | |
| 3 | Appleton House No. 9 | Appleton House No. 9 More images | November 7, 1995 (#95001264) | 1999 Euclid Ave. 46°36′20″N 112°03′52″W﻿ / ﻿46.605556°N 112.064444°W﻿ / 46.605556; -112.064444﻿ (Appleton House No. 9) | Helena | |
| 4 | Appleton House No. 13 | Appleton House No. 13 More images | October 25, 1982 (#82000593) | 2200 Cannon 46°36′24″N 112°04′05″W﻿ / ﻿46.606667°N 112.068056°W﻿ / 46.606667; -112.068056﻿ (Appleton House No. 13) | Helena | |
| 5 | Joshua and Martha Armitage House | Upload image | May 10, 2005 (#05000408) | 1117 E. Broadway 46°35′04″N 112°01′16″W﻿ / ﻿46.5843436°N 112.021031°W﻿ / 46.5843436; -112.021031﻿ (Joshua and Martha Armitage House) | Helena | |
| 6 | Benton Avenue Cemetery | Benton Avenue Cemetery | July 24, 2003 (#03000689) | 1800 N. Benton Ave. 46°36′16″N 112°02′31″W﻿ / ﻿46.604444°N 112.041944°W﻿ / 46.604444; -112.041944﻿ (Benton Avenue Cemetery) | Helena | |
| 7 | Charles A. Broadwater House | Upload image | August 27, 2008 (#08000825) | 1104 Williams St. 46°36′21″N 112°05′19″W﻿ / ﻿46.605703°N 112.088561°W﻿ / 46.605703; -112.088561﻿ (Charles A. Broadwater House) | Helena | |
| 8 | Cathedral of Saint Helena | Cathedral of Saint Helena More images | April 30, 1980 (#80004270) | 530 N. Ewing St. 46°35′25″N 112°01′57″W﻿ / ﻿46.590278°N 112.0325°W﻿ / 46.590278; -112.0325﻿ (Cathedral of Saint Helena) | Helena | |
| 9 | Childs Carriage House | Childs Carriage House | November 7, 1995 (#95001263) | 318 E. 6th Ave. 46°35′15″N 112°02′00″W﻿ / ﻿46.5875°N 112.033333°W﻿ / 46.5875; -112.033333﻿ (Childs Carriage House) | Helena | |
| 10 | William C. Crum House | William C. Crum House | May 30, 1997 (#97000502) | 535 5th Ave. 46°35′09″N 112°01′50″W﻿ / ﻿46.585833°N 112.030556°W﻿ / 46.585833; -112.030556﻿ (William C. Crum House) | Helena | |
| 11 | Crump-Howard House | Crump-Howard House | April 24, 2017 (#100000914) | 1003 9th Ave. 46°35′19″N 112°01′25″W﻿ / ﻿46.588725°N 112.023685°W﻿ / 46.588725; -112.023685﻿ (Crump-Howard House) | Helena | |
| 12 | D.H. Cuthbert House | D.H. Cuthbert House | May 4, 1995 (#95000536) | 602 N. Ewing 46°35′28″N 112°01′53″W﻿ / ﻿46.591111°N 112.031389°W﻿ / 46.591111; -112.031389﻿ (D.H. Cuthbert House) | Helena | |
| 13 | Dearborn River High Bridge | Dearborn River High Bridge More images | December 18, 2003 (#03001298) | 15 miles (24 km) southwest of Augusta on Bean Lake Rd. 47°16′52″N 112°23′25″W﻿ / ﻿47.281111°N 112.390278°W﻿ / 47.281111; -112.390278﻿ (Dearborn River High Bridge) | Augusta | |
| 14 | Donovan-Mayer House | Donovan-Mayer House | December 28, 2005 (#05001471) | 46 S. Howie St. 46°35′14″N 112°02′38″W﻿ / ﻿46.587222°N 112.043889°W﻿ / 46.587222; -112.043889﻿ (Donovan-Mayer House) | Helena | |
| 15 | Dorsey Grocery and Residence | Dorsey Grocery and Residence | April 24, 2017 (#100000915) | 401 N. Hoback St. 46°35′17″N 112°01′32″W﻿ / ﻿46.588000°N 112.025637°W﻿ / 46.588000; -112.025637﻿ (Dorsey Grocery and Residence) | Helena | |
| 16 | Eagle's Site | Upload image | October 7, 1993 (#93000995) | Address restricted | Helena | part of the Archeological Resources of the Upper Missouri River Corridor Multiple Property Submission (MPS) |
| 17 | Christmas Gift Evans House | Christmas Gift Evans House More images | April 16, 1980 (#80004271) | 404 N. Benton Ave. 46°35′27″N 112°02′27″W﻿ / ﻿46.590833°N 112.040833°W﻿ / 46.590833; -112.040833﻿ (Christmas Gift Evans House) | Helena | |
| 18 | Robert and Elizabeth Fisk House | Robert and Elizabeth Fisk House | January 17, 2007 (#06001248) | 319 N. Rodney St. 46°35′15″N 112°01′56″W﻿ / ﻿46.5875°N 112.032222°W﻿ / 46.5875; -112.032222﻿ (Robert and Elizabeth Fisk House) | Helena | |
| 19 | Forestvale Cemetery | Forestvale Cemetery | February 21, 1990 (#90000145) | 490 Forestvale Rd. 46°39′22″N 112°02′09″W﻿ / ﻿46.656111°N 112.035833°W﻿ / 46.656111; -112.035833﻿ (Forestvale Cemetery) | Helena | |
| 20 | Former Montana Executive Mansion | Former Montana Executive Mansion | April 28, 1970 (#70000357) | 6th Ave. and Ewing St. 46°35′16″N 112°02′03″W﻿ / ﻿46.587778°N 112.034167°W﻿ / 46.587778; -112.034167﻿ (Former Montana Executive Mansion) | Helena | |
| 21 | Fort Harrison Veterans' Hospital Historic District | Upload image | December 20, 2016 (#16000874) | 2 mi. NW. of Helena 46°37′05″N 112°06′06″W﻿ / ﻿46.618004°N 112.101554°W﻿ / 46.618004; -112.101554﻿ (Fort Harrison Veterans' Hospital Historic District) | Helena vicinity | |
| 22 | Gehring Ranch | Gehring Ranch | August 28, 2017 (#100001504) | 5488 Lincoln Rd. W. 46°43′31″N 112°08′28″W﻿ / ﻿46.725372°N 112.141245°W﻿ / 46.725372; -112.141245﻿ (Gehring Ranch) | Helena vicinity | |
| 23 | Gilman State Bank | Gilman State Bank More images | December 1, 1983 (#83003993) | Main St. 47°30′35″N 112°21′34″W﻿ / ﻿47.509722°N 112.359444°W﻿ / 47.509722; -112.359444﻿ (Gilman State Bank) | Gilman | |
| 24 | Gilpatrick-Root House | Gilpatrick-Root House | August 10, 2005 (#05000883) | 604 Dearborn Ave. 46°35′35″N 112°02′32″W﻿ / ﻿46.593056°N 112.042222°W﻿ / 46.593056; -112.042222﻿ (Gilpatrick-Root House) | Helena | |
| 25 | Haight-Bridgewater House | Haight-Bridgewater House More images | March 14, 2014 (#14000080) | 502 Peosta Ave. 46°36′09″N 112°02′30″W﻿ / ﻿46.602494°N 112.041593°W﻿ / 46.602494; -112.041593﻿ (Haight-Bridgewater House) | Helena | |
| 26 | Hauser Mansion | Hauser Mansion | February 12, 1979 (#79001404) | 720 Madison Ave. 46°35′43″N 112°02′39″W﻿ / ﻿46.595278°N 112.044167°W﻿ / 46.595278; -112.044167﻿ (Hauser Mansion) | Helena | |
| 27 | Helena Historic District | Helena Historic District More images | June 2, 1972 (#72000737) | Irregular pattern from Hauser Boulevard to Acropolis and between Garfield and Rodney Sts.; also roughly bounded by Cruse, Neill and Park Aves., and Lawrence; also bounded by E. 6th, N. Davis, Broadway, and N. Rodney Sts. 46°34′34″N 112°02′26″W﻿ / ﻿46.576111°N 112.040556°W﻿ / 46.576111; -112.040556﻿ (Helena Historic District) | Helena | Second and third sets of boundaries represent boundary increases of June 14, 1990 and October 7, 1993 |
| 28 | Helena Railroad Depot Historic District | Helena Railroad Depot Historic District | December 15, 2004 (#03001330) | Roughly bounded by Railroad and Helena Aves., Gallatin St., N. Sanders St., and N. Harris St. 46°35′58″N 112°00′52″W﻿ / ﻿46.599444°N 112.014444°W﻿ / 46.599444; -112.014444﻿ (Helena Railroad Depot Historic District) | Helena | |
| 29 | Helena South-Central Historic District | Helena South-Central Historic District | July 28, 1986 (#86002274) | Roughly bounded by Broadway, S. Davis St., the city limits, and S. Warren St. 46°34′52″N 112°02′15″W﻿ / ﻿46.581111°N 112.0375°W﻿ / 46.581111; -112.0375﻿ (Helena South-Central Historic District) | Helena | |
| 30 | Helena West Main Street Historic District | Helena West Main Street Historic District More images | February 22, 1996 (#96000119) | 500-600 blocks of W. Main St. 46°34′43″N 112°03′03″W﻿ / ﻿46.578611°N 112.050833°W﻿ / 46.578611; -112.050833﻿ (Helena West Main Street Historic District) | Helena | |
| 31 | Joe and Carrie Hilger Ranch | Joe and Carrie Hilger Ranch | August 31, 2001 (#01000922) | Sleeping Giant Ranch, 20 miles (32 km) north of Helena 46°49′30″N 111°57′44″W﻿ / ﻿46.825°N 111.962222°W﻿ / 46.825; -111.962222﻿ (Joe and Carrie Hilger Ranch) | Helena | |
| 32 | Home of Peace | Home of Peace More images | May 24, 2006 (#06000425) | Alexander St. between Brady St. and Custer Ave. 46°36′53″N 112°03′01″W﻿ / ﻿46.614722°N 112.050278°W﻿ / 46.614722; -112.050278﻿ (Home of Peace) | Helena | |
| 33 | House of the Good Shepherd Historic District | House of the Good Shepherd Historic District More images | December 23, 1993 (#93001448) | Area surrounding the junction of 9th Ave. and N. Hoback St. 46°35′15″N 112°01′30″W﻿ / ﻿46.5875°N 112.025°W﻿ / 46.5875; -112.025﻿ (House of the Good Shepherd Historic District) | Helena | |
| 34 | John H. Huseby House | John H. Huseby House | December 26, 2012 (#12001086) | 511 E. 6th Ave. 46°35′11″N 112°01′54″W﻿ / ﻿46.586488°N 112.03157°W﻿ / 46.586488; -112.03157﻿ (John H. Huseby House) | Helena | |
| 35 | Herman Kemna House | Upload image | August 18, 1992 (#92001056) | 635 1st St. 46°34′47″N 112°01′48″W﻿ / ﻿46.579821°N 112.029877°W﻿ / 46.579821; -112.029877﻿ (Herman Kemna House) | Helena | |
| 36 | T. H. Kleinschmidt House | T. H. Kleinschmidt House | August 6, 1980 (#80004272) | 1823 Highland Ave. 46°34′58″N 112°00′25″W﻿ / ﻿46.582778°N 112.006944°W﻿ / 46.582778; -112.006944﻿ (T. H. Kleinschmidt House) | Helena | |
| 37 | Kluge House | Kluge House More images | April 28, 1970 (#70000358) | 540 W. Main St. 46°35′22″N 111°55′47″W﻿ / ﻿46.58948°N 111.9297°W﻿ / 46.58948; -111.9297﻿ (Kluge House) | Helena | |
| 38 | Lewis and Clark County Hospital Historic District | Lewis and Clark County Hospital Historic District | November 19, 2002 (#02001101) | 3404 Cooney Dr.; also North Benton Avenue between Chert Place and Flagstone Avenue 46°37′20″N 112°02′12″W﻿ / ﻿46.622222°N 112.036667°W﻿ / 46.622222; -112.036667﻿ (Lewis and Clark County Hospital Historic District) | Helena | Second set of addresses represent a boundary increase approved July 1, 2024. |
| 39 | Lincoln Community Hall | Lincoln Community Hall More images | January 22, 1987 (#86003674) | Montana Highway 200 46°57′20″N 112°41′11″W﻿ / ﻿46.955556°N 112.686389°W﻿ / 46.955556; -112.686389﻿ (Lincoln Community Hall) | Lincoln | |
| 40 | Lincoln Lodge | Lincoln Lodge | October 23, 1986 (#86002931) | Stemple Pass Rd. 46°57′23″N 112°40′50″W﻿ / ﻿46.956389°N 112.680556°W﻿ / 46.956389; -112.680556﻿ (Lincoln Lodge) | Lincoln | |
| 41 | Lyman-Neel Residence | Lyman-Neel Residence | March 29, 2019 (#100003590) | 309 N. Rodney St. 46°35′15″N 112°02′00″W﻿ / ﻿46.5874°N 112.0334°W﻿ / 46.5874; -112.0334﻿ (Lyman-Neel Residence) | Helena | |
| 42 | F.M. Mack General Store | Upload image | April 12, 2021 (#100006367) | 210 Main St. $^{Coordinatesmissing}$ | Helena | |
| 43 | Mann Gulch Wildfire Historic District | Mann Gulch Wildfire Historic District More images | May 19, 1999 (#99000596) | Mann Gulch, a tributary of the Missouri River 46°53′09″N 111°53′58″W﻿ / ﻿46.8858°N 111.8994°W﻿ / 46.8858; -111.8994﻿ (Mann Gulch Wildfire Historic District) | Helena | |
| 44 | Methodist-Episcopal Church of Marysville | Upload image | January 5, 1984 (#84002489) | 3rd St. 46°45′01″N 112°18′00″W﻿ / ﻿46.750310°N 112.300041°W﻿ / 46.750310; -112.300041﻿ (Methodist-Episcopal Church of Marysville) | Marysville | |
| 45 | Missouri River Bridge | Missouri River Bridge More images | January 4, 2010 (#09001181) | Milepost 11 on Old U.S. Route 91 47°01′08″N 112°00′44″W﻿ / ﻿47.0190°N 112.0121°W﻿ / 47.0190; -112.0121﻿ (Missouri River Bridge) | Wolf Creek | part of the Montana's Historic Steel Truss Bridges MPS |
| 46 | Montana Aeronautics Commission Operations Historic District | Montana Aeronautics Commission Operations Historic District More images | July 31, 2017 (#100001392) | 2630 Airport Rd. 46°36′09″N 111°59′35″W﻿ / ﻿46.6025°N 111.9931°W﻿ / 46.6025; -111.9931﻿ (Montana Aeronautics Commission Operations Historic District) | Helena | Original 1958 Structure and adjacent 1965 garage. |
| 47 | Montana State Arsenal, Armory and Drill Hall | Montana State Arsenal, Armory and Drill Hall | February 14, 2002 (#02000048) | 1100 N. Main 46°35′54″N 112°01′55″W﻿ / ﻿46.5982°N 112.0319°W﻿ / 46.5982; -112.0319﻿ (Montana State Arsenal, Armory and Drill Hall) | Helena | |
| 48 | Montana State Capitol Building | Montana State Capitol Building More images | February 17, 1981 (#81000660) | Central Ave. and Main St. 46°35′09″N 112°01′12″W﻿ / ﻿46.5858°N 112.02°W﻿ / 46.5858; -112.02﻿ (Montana State Capitol Building) | Helena | |
| 49 | Montana State Capitol Campus Historic District | Montana State Capitol Campus Historic District | February 23, 2016 (#16000033) | Bounded by E. Broadway & N. Carson Sts., E. 8th & N. Montana Aves. 46°35′06″N 112°01′07″W﻿ / ﻿46.5850°N 112.0186°W﻿ / 46.5850; -112.0186﻿ (Montana State Capitol Campus Historic District) | Helena | |
| 50 | Montana State Fairgrounds Racetrack | Upload image | December 20, 2006 (#06001136) | 98 W. Custer Ave. 46°37′17″N 112°03′22″W﻿ / ﻿46.6214°N 112.0561°W﻿ / 46.6214; -112.0561﻿ (Montana State Fairgrounds Racetrack) | Helena | |
| 51 | Montana Veterans and Pioneers Memorial Building | Montana Veterans and Pioneers Memorial Building | December 15, 2004 (#04001357) | 225 N. Roberts 46°35′11″N 112°00′55″W﻿ / ﻿46.5864°N 112.0153°W﻿ / 46.5864; -112.0153﻿ (Montana Veterans and Pioneers Memorial Building) | Helena | |
| 52 | Morelli Bridge | Upload image | December 8, 2022 (#100008436) | Head of Reeder's Alley on Howie St. 46°35′08″N 112°02′41″W﻿ / ﻿46.5856561°N 112.044639°W﻿ / 46.5856561; -112.044639﻿ (Morelli Bridge) | Helena | |
| 53 | Mount Helena Historic District | Mount Helena Historic District More images | January 9, 1997 (#96001568) | Promontory roughly bounded by LeGrande Canon Boulevard, Last Chance and Grizzly Gulches, and the Helena National Forest boundary 46°35′15″N 112°03′28″W﻿ / ﻿46.5875°N 112.0578°W﻿ / 46.5875; -112.0578﻿ (Mount Helena Historic District) | Helena | |
| 54 | John T. Murphy House | John T. Murphy House More images | August 1, 1984 (#84002495) | 418 N. Benton Ave. 46°35′28″N 112°02′25″W﻿ / ﻿46.5911°N 112.0403°W﻿ / 46.5911; -112.0403﻿ (John T. Murphy House) | Helena | |
| 55 | Olsen House | Olsen House More images | March 22, 1991 (#91000333) | 516 N. Park 46°35′33″N 112°02′23″W﻿ / ﻿46.5925°N 112.0397°W﻿ / 46.5925; -112.0397﻿ (Olsen House) | Helena | |
| 56 | Francis and Hannah Pope House | Francis and Hannah Pope House | June 27, 2007 (#07000591) | 327 N. Rodney 46°35′16″N 112°01′55″W﻿ / ﻿46.5878°N 112.0319°W﻿ / 46.5878; -112.0319﻿ (Francis and Hannah Pope House) | Helena | |
| 57 | Porter Flats Apartments | Porter Flats Apartments | January 14, 1993 (#92001761) | 335 N. Ewing St. 46°35′15″N 112°02′02″W﻿ / ﻿46.5875°N 112.0339°W﻿ / 46.5875; -112.0339﻿ (Porter Flats Apartments) | Helena | |
| 58 | C.B. Power Bungalow | Upload image | April 7, 1995 (#95000380) | 1.2 miles (1.9 km) north of Interstate 15 and 1 mile (1.6 km) west of U.S. Route 287 47°02′46″N 112°04′04″W﻿ / ﻿47.04618°N 112.06776°W﻿ / 47.04618; -112.06776﻿ (C.B. Power Bungalow) | Wolf Creek | A "masterful example of Craftsman/Bungalow style architecture at its best", designed by architect Robert C. Reamer. |
| 59 | Quinn's Garage | Upload image | March 27, 2020 (#100005163) | 206 Main St. 47°29′33″N 112°23′32″W﻿ / ﻿47.4925°N 112.3922°W﻿ / 47.4925; -112.3922﻿ (Quinn's Garage) | Augusta | |
| 60 | Thomas P. Regan Cabin | Upload image | January 8, 2003 (#02001686) | McDonald Pass 46°34′43″N 112°17′28″W﻿ / ﻿46.578583°N 112.291245°W﻿ / 46.578583; -112.291245﻿ (Thomas P. Regan Cabin) | Helena | |
| 61 | Shaw's Best Factory | Upload image | June 25, 2021 (#100006699) | 426½ Harrison Ave. 46°35′29″N 112°02′46″W﻿ / ﻿46.5913°N 112.0462°W﻿ / 46.5913; -112.0462﻿ (Shaw's Best Factory) | Helena | |
| 62 | Sheep Creek Bridge | Upload image | April 28, 2011 (#11000225) | Milepost 5 on Recreation Rd. 46°58′39″N 112°04′53″W﻿ / ﻿46.9775°N 112.0814°W﻿ / 46.9775; -112.0814﻿ (Sheep Creek Bridge) | Wolf Creek vicinity | Reinforced Concrete Bridges in Montana, 1900-1958 MPS |
| 63 | Silver City Cemetery (Lewis and Clark County, Montana) | Upload image | April 26, 2020 (#100005209) | Approximately 12 miles (19 km) north-northwest of Helena, MT $^{Coordinatesmissing}$ | Silver City vicinity | |
| 64 | Silver Creek School | Upload image | August 11, 1980 (#80004273) | North of Helena on Sierra Rd. 46°39′37″N 112°00′27″W﻿ / ﻿46.6603°N 112.0075°W﻿ / 46.6603; -112.0075﻿ (Silver Creek School) | Helena | |
| 65 | Silver King Ranch | Silver King Ranch | March 10, 1992 (#92000114) | Roughly 15 miles (24 km) northeast of Lincoln in the Helena National Forest 47°04′26″N 112°33′30″W﻿ / ﻿47.073889°N 112.558333°W﻿ / 47.073889; -112.558333﻿ (Silver King Ranch) | Lincoln | |
| 66 | Morris Silverman House | Morris Silverman House | June 14, 1982 (#82004636) | 412 N. Rodney St. 46°35′20″N 112°01′52″W﻿ / ﻿46.588889°N 112.031111°W﻿ / 46.588889; -112.031111﻿ (Morris Silverman House) | Helena | |
| 67 | Spalding-Gunn House | Spalding-Gunn House | December 27, 2006 (#06001187) | 433 Clarke St. 46°35′29″N 112°02′41″W﻿ / ﻿46.591389°N 112.044722°W﻿ / 46.591389; -112.044722﻿ (Spalding-Gunn House) | Helena | |
| 68 | Stearns Hall | Stearns Hall | April 7, 1995 (#95000382) | 2 miles (3.2 km) north of the junction of Montana Highways 200 and 434 47°12′27″N 112°16′33″W﻿ / ﻿47.2075°N 112.275833°W﻿ / 47.2075; -112.275833﻿ (Stearns Hall) | Wolf Creek | |
| 69 | Stedman Foundry and Machine Company | Upload image | April 4, 1996 (#96000370) | 2650 Euclid Ave. 46°36′32″N 112°04′30″W﻿ / ﻿46.608889°N 112.075°W﻿ / 46.608889; -112.075﻿ (Stedman Foundry and Machine Company) | Helena | |
| 70 | Summit Lodge | Upload image | May 17, 1990 (#90000723) | 30 miles (48 km) northwest of Helena in the Helena National Forest 46°47′50″N 112°27′11″W﻿ / ﻿46.797222°N 112.453056°W﻿ / 46.797222; -112.453056﻿ (Summit Lodge) | Helena | |
| 71 | Temple Emanu-El | Temple Emanu-El More images | July 11, 2002 (#02000724) | 515 N. Ewing St. 46°35′24″N 112°01′54″W﻿ / ﻿46.59°N 112.031667°W﻿ / 46.59; -112.031667﻿ (Temple Emanu-El) | Helena | |
| 72 | Unemployment Compensation Commission Building | Unemployment Compensation Commission Building | May 18, 2012 (#12000285) | 1315 -1327 Lockey Ave. 46°35′06″N 112°01′11″W﻿ / ﻿46.584947°N 112.019758°W﻿ / 46.584947; -112.019758﻿ (Unemployment Compensation Commission Building) | Helena | Now Department of Labor and Industry, Walt Sullivan Building |
| 73 | Wassweiler Hotel and Bath Houses | Wassweiler Hotel and Bath Houses | August 1, 1978 (#78001688) | West of Helena on U.S. Route 12 46°35′51″N 112°06′18″W﻿ / ﻿46.5975°N 112.105°W﻿ / 46.5975; -112.105﻿ (Wassweiler Hotel and Bath Houses) | Helena | |
| 74 | Western Clay Manufacturing Company | Upload image | May 9, 1985 (#85001052) | 2915 Country Club Rd. 46°36′53″N 112°04′53″W﻿ / ﻿46.614722°N 112.081389°W﻿ / 46.614722; -112.081389﻿ (Western Clay Manufacturing Company) | Helena | Now the Archie Bray Foundation for the Ceramic Arts. |
| 75 | Western Life Insurance Company Helena Branch Office | Western Life Insurance Company Helena Branch Office | September 10, 2012 (#12000784) | 600 N. Park Ave. 46°35′38″N 112°02′27″W﻿ / ﻿46.593751°N 112.040893°W﻿ / 46.593751; -112.040893﻿ (Western Life Insurance Company Helena Branch Office) | Helena | |
| 76 | Wick-Seiler House | Wick-Seiler House More images | August 2, 2000 (#00000873) | 729 11th Ave. 46°35′22″N 112°01′38″W﻿ / ﻿46.589444°N 112.027222°W﻿ / 46.589444; -112.027222﻿ (Wick-Seiler House) | Helena | |
| 77 | Williams Street Bridge | Upload image | November 29, 2006 (#06001094) | Williams St. crossing Ten Mile Creek, north of the junction of Williams St. and Broadwater Ave. 46°36′19″N 112°05′14″W﻿ / ﻿46.605278°N 112.087222°W﻿ / 46.605278; -112.087222﻿ (Williams Street Bridge) | Helena | Replaced in 2010 |
| 78 | Wolf Creek Hotel | Wolf Creek Hotel | November 7, 1997 (#97001381) | Junction of Main St. and Bissonmett St. 47°00′23″N 112°04′09″W﻿ / ﻿47.006389°N 112.069167°W﻿ / 47.006389; -112.069167﻿ (Wolf Creek Hotel) | Wolf Creek | |
| 79 | Young Women's Christian Association (Independent) | Young Women's Christian Association (Independent) | December 27, 1984 (#84000569) | 501 N. Park St. 46°35′49″N 112°02′35″W﻿ / ﻿46.596944°N 112.043056°W﻿ / 46.596944; -112.043056﻿ (Young Women's Christian Association (Independent)) | Helena | |