National Register of Historic Places National Register of Historic Places
1846
Mexican War begins. Treaty signed in 1848 cedes American Southwest and California to the United States.
Listings by StateHistoric DistrictsVacant / Not In Use

COLORADO - Boulder County - Historic Districts

Boulder County Poor Farm
(added 2001 - Boulder County - #01000969)
Also known as Chambers, George W., Homestead
Address Restricted , Boulder
(400 acres, 9 buildings, 9 structures, 1 object)
Historic Significance: Event, Architecture/Engineering, Information Potential
Architectural Style: Queen Anne
Area of Significance: Architecture, Historic - Non-Aboriginal, Agriculture, Social History, Engineering
Period of Significance: 1950-1974, 1925-1949, 1900-1924, 1875-1899
Owner: Private
Historic Function: Agriculture/Subsistence, Domestic
Historic Sub-function: Agricultural Fields, Animal Facility, Institutional Housing, Irrigation Facility, Single Dwelling
Current Function: Agriculture/Subsistence, Domestic, Recreation And Culture
Current Sub-function: Agricultural Fields, Animal Facility, Irrigation Facility, Monument/Marker, Single Dwelling

Colorado Chautauqua
(added 1978 - Boulder County - #78000830)
Also known as Chautauqua Park;See Also:Chautauqua Auditorium
900 Baseline Rd., Chautauqua Park , Boulder
(400 acres, 87 buildings, 7 structures, 1 object)
Historic Significance: Event
Area of Significance: Education, Social History, Communications
Period of Significance: 1925-1949, 1900-1924, 1875-1899
Owner: Local , Private
Historic Function: Domestic, Education, Recreation And Culture
Historic Sub-function: Single Dwelling
Current Function: Domestic, Education, Landscape, Recreation And Culture
Current Sub-function: Park, Single Dwelling

Columbia Cemetery
(added 1997 - Boulder County - #97000792)
Also known as Pioneer Cemetery;Pioneer Gateway;5BL571
Along 9th St., bounded by Pleasant and College Aves. , Boulder
(105 acres, 4 structures)
Historic Significance: Event, Architecture/Engineering
Area of Significance: Social History
Period of Significance: 1925-1949, 1900-1924, 1875-1899, 1850-1874
Owner: Local
Historic Function: Funerary
Historic Sub-function: Cemetery
Current Function: Funerary, Landscape
Current Sub-function: Cemetery, Park

Denver, Boulder and Western Railway Historic District
(added 1980 - Boulder County - #80000882)
Also known as Switzerland Trail of America
CO 72 , Ward
(2145 acres, 1 structure)
Historic Significance: Event, Architecture/Engineering
Architect, builder, or engineer: Multiple
Area of Significance: Exploration/Settlement, Commerce, Transportation, Engineering, Industry
Period of Significance: 1900-1924, 1875-1899
Owner: Local , Federal , Private
Historic Function: Transportation
Historic Sub-function: Rail-Related
Current Function: Recreation And Culture, Transportation
Current Sub-function: Outdoor Recreation, Pedestrian Related

Denver, Northwestern and Pacific Railway Historic District
(added 1980 - Boulder County - #80000881)
Also known as Moffat Road
SW of Eldora , Eldora
(4121 acres, 1 structure)
Historic Significance: Event, Architecture/Engineering
Architect, builder, or engineer: Denver,Northwestern and Pacific R.R.
Area of Significance: Engineering, Transportation
Period of Significance: 1900-1924
Owner: Local , Federal , Private
Historic Function: Transportation
Historic Sub-function: Rail-Related
Current Function: Education, Recreation And Culture, Transportation
Current Sub-function: Road-Related

Denver, Northwestern and Pacific Railway Historic District--Rollinsville & Middle Park Wagon Road (Boundary Increase)
(added 1997 - Boulder County - #97001114)
Also known as Rollinsville and Middle Park Wagon Road;Boulder Wagon Road;R
Rollins Pass , Rollinsville
(242 acres)
Historic Significance: Architecture/Engineering, Event
Architect, builder, or engineer: Rollins, John Q.A.
Architectural Style: No Style Listed
Area of Significance: Transportation, Engineering
Period of Significance: 1925-1949, 1900-1924, 1875-1899
Owner: Federal
Historic Function: Transportation
Historic Sub-function: Road-Related
Current Function: Recreation And Culture, Transportation
Current Sub-function: Road-Related

Downtown Boulder Historic District
(added 1980 - Boulder County - #80000878)
Also known as See Also:Boulder Post Office
CO 19 , Boulder
(480 acres, 125 buildings)
Historic Significance: Event, Architecture/Engineering
Architect, builder, or engineer: Multiple
Architectural Style: Classical Revival, Late Victorian
Area of Significance: Exploration/Settlement, Agriculture, Architecture, Commerce
Period of Significance: 1925-1949, 1900-1924, 1875-1899, 1850-1874
Owner: Local , Federal , Private
Historic Function: Commerce/Trade, Education, Government
Current Function: Commerce/Trade, Education, Government, Landscape
Current Sub-function: Park

East Side Historic District
(added 1986 - Boulder County - #86002812)
Roughly bounded by Long's Peak Ave., Collyer St., Fourth Ave., and Emery St. , Longmont
(230 acres, 67 buildings)
Historic Significance: Event, Architecture/Engineering
Architect, builder, or engineer: Unknown
Architectural Style: Other, Queen Anne, Italianate
Area of Significance: Exploration/Settlement, Architecture
Period of Significance: 1900-1924, 1875-1899, 1850-1874
Owner: Local , Private
Historic Function: Domestic
Historic Sub-function: Single Dwelling
Current Function: Domestic
Current Sub-function: Single Dwelling

Eldora Historic District
(added 1989 - Boulder County - #89000978)
Also known as Happy Valley;Eldorado Camp;5BL758
Roughly Eaton Pl., 6th, Pearl, and 4th Sts., Huron Ave., 6th St., Eldorado Ave., and 7th St., Klondyke Ave. & Tenth St. , Eldora
(300 acres, 55 buildings)
Historic Significance: Architecture/Engineering, Event
Architect, builder, or engineer: Unknown
Architectural Style: Other, Late 19th And 20th Century Revivals
Area of Significance: Exploration/Settlement, Entertainment/Recreation, Architecture
Period of Significance: 1925-1949, 1900-1924, 1875-1899
Owner: Private
Historic Function: Commerce/Trade, Domestic
Historic Sub-function: Camp, Hotel, Restaurant
Current Function: Commerce/Trade, Domestic
Current Sub-function: Camp, Hotel, Restaurant

Gold Hill Historic District
(added 1989 - Boulder County - #89000979)
Also known as Gold Hill;5BL769
Roughly bounded by North St., Pine St., Boulder St., Gold Run St., and College St. , Gold Hill
(180 acres, 38 buildings)
Historic Significance: Event, Architecture/Engineering
Architect, builder, or engineer: Unknown
Architectural Style: Late 19th And 20th Century Revivals
Area of Significance: Exploration/Settlement, Architecture, Entertainment/Recreation
Period of Significance: 1925-1949, 1900-1924, 1875-1899, 1850-1874
Owner: Local , Private
Historic Function: Commerce/Trade, Domestic, Education
Historic Sub-function: Department Store, Hotel, Restaurant, School, Single Dwelling
Current Function: Commerce/Trade, Domestic, Education
Current Sub-function: Department Store, Hotel, Restaurant, School, Single Dwelling

Grandview Terrace
(added 2000 - Boulder County - #99001703)
Also known as 5BL7496
Roughly bounded by Broadway Ave., University Ave., and ridge of the hill located N of Grandview Ave. , Boulder
(95 acres, 36 buildings)
Historic Significance: Architecture/Engineering
Architect, builder, or engineer: Huntington, Glen H., White, Gordon
Architectural Style: Bungalow/Craftsman, Tudor Revival
Area of Significance: Architecture
Period of Significance: 1925-1949, 1900-1924
Owner: State , Private
Historic Function: Defense, Domestic
Historic Sub-function: Military Facility, Multiple Dwelling, Single Dwelling
Current Function: Domestic
Current Sub-function: College, Multiple Dwelling, Single Dwelling

Hoverhome and Hover Farmstead
(added 1999 - Boulder County - #98001555)
Also known as Hover Mansion;Hover Farm;5BL555
1303-1309 Hover Rd. , Longmont
(43 acres, 7 buildings, 7 structures)
Historic Significance: Architecture/Engineering, Person, Event
Architect, builder, or engineer: Roeschlaub, Robert S. & Frank S.
Architectural Style: Tudor Revival
Historic Person: Hover, Charles Lewis
Significant Year: 1902, 1913
Area of Significance: Agriculture, Architecture
Period of Significance: 1925-1949, 1900-1924
Owner: Private
Historic Function: Agriculture/Subsistence, Domestic
Historic Sub-function: Animal Facility, Processing, Single Dwelling, Storage
Current Function: Domestic, Recreation And Culture, Social
Current Sub-function: Civic, Multiple Dwelling, Museum

Lyons Sandstone Buildings
(added 1980 - Boulder County - #80000880)
Also known as Lyons Historic District;Lyons Thematic Historic District;See
U.S. 36 and CO 7 , Lyons
(0 acres, 13 buildings)
Historic Significance: Architecture/Engineering, Event
Architect, builder, or engineer: Multiple
Architectural Style: No Style Listed
Area of Significance: Commerce, Industry, Architecture
Period of Significance: 1900-1924, 1875-1899, 1850-1874
Owner: Local , Private
Historic Function: Commerce/Trade, Domestic, Education
Historic Sub-function: Single Dwelling
Current Function: Commerce/Trade, Domestic, Education
Current Sub-function: Single Dwelling

Mount St. Gertrude Academy
(added 1994 - Boulder County - #94001227)
Also known as 5BL1471
970 Aurora St. , Boulder
(15 acres, 2 buildings)
Historic Significance: Event, Architecture/Engineering
Architect, builder, or engineer: et al., Cazin, Alexander
Architectural Style: Romanesque
Area of Significance: Community Planning And Development, Architecture, Education
Period of Significance: 1925-1949, 1900-1924, 1875-1899
Owner: State
Historic Function: Domestic, Education, Religion
Historic Sub-function: Educational Related Housing, Institutional Housing, Religious Structure, School
Current Function: Vacant/Not In Use

Norlin Quadrangle Historic District
(added 1980 - Boulder County - #80000879)
Also known as Norlin Quadrangle
University of Colorado campus , Boulder
(335 acres, 12 buildings)
Historic Significance: Event, Architecture/Engineering
Architect, builder, or engineer: Klauder,Charles,et al.
Architectural Style: Late 19th And 20th Century Revivals, Late Victorian
Area of Significance: Education, Architecture, Landscape Architecture
Period of Significance: 1925-1949, 1900-1924, 1875-1899
Owner: State
Historic Function: Education
Historic Sub-function: College
Current Function: Education
Current Sub-function: College

Shannon Farm
(added 2003 - Boulder County - #03001047)
Also known as Rhodora's Arm;Manchester Farm
1341 N. 95th St. , Lafayette
(25 acres, 4 buildings, 3 structures)
Historic Significance: Architecture/Engineering, Event
Architectural Style: Late Victorian
Area of Significance: Architecture, Agriculture
Period of Significance: 1925-1949, 1900-1924, 1875-1899, 1850-1874
Owner: Private
Historic Function: Agriculture/Subsistence, Domestic
Historic Sub-function: Agricultural Fields, Animal Facility, Single Dwelling, Storage
Current Function: Agriculture/Subsistence, Domestic
Current Sub-function: Agricultural Fields, Agricultural Outbuildings, Single Dwelling

Snowbound Mine
(added 1989 - Boulder County - #89000998)
Also known as Patent Number 415;5BL448
Co. Rd. 52 , Gold Hill
(49 acres, 12 buildings, 1 structure)
Historic Significance: Event, Architecture/Engineering
Architect, builder, or engineer: Unknown
Architectural Style: Late 19th And Early 20th Century American Movements
Area of Significance: Architecture, Engineering, Industry
Period of Significance: 1925-1949
Owner: Private
Historic Function: Domestic, Industry/Processing/Extraction
Historic Sub-function: Extractive Facility, Secondary Structure, Single Dwelling
Current Function: Domestic, Vacant/Not In Use
Current Sub-function: Single Dwelling

Walker Ranch Historic District
(added 1984 - Boulder County - #84000798)
Also known as Walker Ranch;See Also:Walker Ranch Historic District (Bounda
W of Boulder , Boulder
(20280 acres, 11 buildings, 6 structures)
Historic Significance: Information Potential, Event, Architecture/Engineering
Architect, builder, or engineer: Walker,James A.
Architectural Style: No Style Listed
Area of Significance: Historic - Aboriginal, Agriculture, Architecture
Cultural Affiliation: Arapahoe
Period of Significance: 1925-1949, 1900-1924, 1875-1899, 1850-1874
Owner: Local
Historic Function: Agriculture/Subsistence, Domestic, Industry/Processing/Extraction
Historic Sub-function: Animal Facility, Extractive Facility, Fishing Facility Or Site, Single Dwelling
Current Function: Domestic, Landscape
Current Sub-function: Park, Single Dwelling

Walker Ranch Historic District (Boundary Increase)
(added 1988 - Boulder County - #88000756)
Also known as Walker Ranch (5BL235);Myers Homestead (5BL346);See Also:Walk
7.5 mi. W of Boulder off Flagstaff Rd. , Boulder
(5380 acres)
Historic Significance: Event
Area of Significance: Agriculture
Period of Significance: 1925-1949, 1900-1924, 1875-1899
Owner: Local , Private
Historic Function: Domestic, Landscape
Historic Sub-function: Forest, Natural Feature
Current Function: Landscape, Recreation And Culture
Current Sub-function: Outdoor Recreation, Park

West Side Historic District
(added 1987 - Boulder County - #86002846)
Also known as West Side
Roughly bounded by Fifth, Terry, Third, and Grant , Longmont
(550 acres, 117 buildings)
Historic Significance: Architecture/Engineering
Architect, builder, or engineer: Et al., Gardiner,Lloyd
Architectural Style: Bungalow/Craftsman, Other, Queen Anne
Area of Significance: Architecture
Period of Significance: 1925-1949, 1900-1924, 1875-1899, 1850-1874
Owner: Local , Private
Historic Function: Domestic, Landscape
Historic Sub-function: Park, Single Dwelling
Current Function: Domestic, Landscape
Current Sub-function: Park, Single Dwelling




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