Colorado · City

Longmont

8 places in Longmont, Colorado are on the National Register of Historic Places. Construction dates on record here run from 1892 to 1907. One of the listings is a historic district rather than a single building.

The earliest listing here is St. Stephen's Episcopal Church, 1881, added Feb 24, 1975.

Map

Coordinates come from the National Park Service National Register spatial data. A point marks the record location and does not mean the place is open to visitors. Data refreshed September 19, 2026.

8
Listings
1
Historic districts
1975
First listing

Oldest on the register

First listedSt. Stephen's Episcopal Church, 1881 · Feb 24, 1975
Oldest construction dateT. M. Callahan House · built 1892

Listing dates come from the National Park Service National Register spatial data. Construction years come from Wikidata, matched on reference number, and are on record for 3 of the 8 listings here. Data refreshed September 19, 2026.

Historic districts

Styles that appear most

Chicago School 1Italianate 1Queen Anne style 1Renaissance Revival 1Tudor Revival 1

Style labels come from Wikidata and are on record for 5 of the 8 listings here. The count is the number of listings carrying each label. Data refreshed September 19, 2026.

Every listing

T. M. Callahan House1985
Address
312 Terry St., Longmont
Listed
May 16, 1985
Reference
85001064
Built
1892
Style
Queen Anne style
Contributing
2 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Callahan, T. M., House
Dickens Opera House1987
Address
300 Main St., Longmont
Listed
Jul 28, 1987
Reference
87000702
Contributing
1 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Dickens Opera House
Empson Cannery1984
Address
15 3rd Ave., Longmont
Listed
Jan 5, 1984
Reference
84000796
Contributing
1 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Empson Cannery
Hoverhome and Hover Farmstead1999
Address
1303-1309 Hover Rd., Longmont
Listed
Jan 15, 1999
Reference
98001555
Built
1902
Style
Tudor Revival architecture
Contributing
7 buildings, 7 structures, 2 sites
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Hoverhome and Hover Farmstead
Longmont Carnegie Library1992
Address
457 Fourth Ave., Longmont
Listed
Nov 3, 1992
Reference
92001406
Style
Renaissance Revival architecture
Contributing
1 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Longmont Carnegie Library
Longmont College1987
Address
546 Atwood St., Longmont
Listed
Aug 12, 1987
Reference
87001285
Style
Italianate architecture
Contributing
1 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Longmont College
Longmont Fire Department1985
Address
667 4th Ave., Longmont
Listed
May 16, 1985
Reference
85001063
Built
1907
Style
Chicago School
Contributing
1 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Longmont Fire Department
St. Stephen's Episcopal Church, 18811975
Address
470 Main St., Longmont
Listed
Feb 24, 1975
Reference
75000501
Contributing
1 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
St. Stephen's Episcopal Church, 1881

Every listing here also appears on its county page for Boulder.