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.
Oldest on the register
| First listed | St. Stephen's Episcopal Church, 1881 · Feb 24, 1975 |
| Oldest construction date | T. 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
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 House▾LongmontBuilding1985
- 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 ↗

Dickens Opera House▾LongmontBuilding1987
- 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 ↗

Empson Cannery▾LongmontBuilding1984
- 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 ↗

Hoverhome and Hover Farmstead▾LongmontHistoric district1999
- 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 ↗

Longmont Carnegie Library▾LongmontBuilding1992
- 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 College▾LongmontBuilding1987
- 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 Fire Department▾LongmontBuilding1985
- 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 ↗

St. Stephen's Episcopal Church, 1881▾LongmontBuilding1975
- 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 ↗

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