Janesville
Janesville's register runs heavily to houses, 10 listings of that kind. The 1850s account for more of that work than any other decade. 14 of the listings are historic districts rather than single buildings.
The earliest listing here is Tallman House, added Oct 15, 1970.
Map
Coordinates come from the National Park Service National Register spatial data, or from Wikidata where the spatial data has no point. A point marks the record location and does not mean the place is open to visitors. Data refreshed November 02, 2026.
Oldest on the register
| First listed | Tallman House · Oct 15, 1970 |
| Oldest construction date | John and Eleanor Strunk House · built 1844 |
Listing dates come from the National Register office's spreadsheet of listed properties. Construction years come from Wikidata, matched on reference number, and are on record for 12 of the 39 listings here. Data refreshed November 02, 2026.
Historic districts
- Benton Avenue Historic District1996
- Bostwick Avenue Historic District2006
- Columbus Circle Historic District2005
- Conrad Cottages Historic District1993
- Courthouse Hill Historic District1986
- East Milwaukee Street Historic District1980
- Jefferson Avenue Historic District2006
- Look West Historic District1987
- Look West Historic District (Boundary Increase)1993
- North Main Street Historic District1980
- Old Fourth Ward Historic District1990
- Prospect Hill Historic District1992
- South Main Street Historic District1990
- West Milwaukee Street Historic District1990
Styles that appear most
Style labels come from Wikidata and are on record for 13 of the 39 listings here. The count is the number of listings carrying each label. Data refreshed November 02, 2026.
Every listing
The Armory▾JanesvilleBuilding1978
- Address
- 10 S. High St., Janesville
- Listed
- Nov 21, 1978
- Listed for
- Military
- Significance
- State
- Also known as
- Janesville Memorial Armory
- Reference
- 78000130
- Built
- 1930
- Contributing
- 1 building
- 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 ↗Directions ↗

Benton Avenue Historic District▾JanesvilleHistoric district1996
- Address
- Roughly bounded by Benton Ave., Wilton Ave., Sherman Ave., Richardson St., Blaine Ave. and Prairie Ave., Janesville
- Listed
- Mar 7, 1996
- Listed for
- Architecture
- Significance
- Local
- Reference
- 96000251
- 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 ↗
Bostwick Avenue Historic District▾JanesvilleHistoric district2006
- Address
- 404-436 Bostwick Ave. and 1118 and 1128 Grace St., Janesville
- Listed
- Apr 24, 2006
- Listed for
- Architecture
- Significance
- Local
- Reference
- 06000321
- 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 ↗
Columbus Circle Historic District▾JanesvilleHistoric district2005
- Address
- Columbus Circle generally bounded by N. Adams and E. Milwaukee Sts. and N. Garfield Ave., Janesville
- Listed
- May 19, 2005
- Listed for
- Architecture
- Significance
- Local
- Reference
- 05000453
- 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 ↗
Conrad Cottages Historic District▾JanesvilleHistoric district1993
- Address
- 235--330 Milton Ave., Janesville
- Listed
- Mar 11, 1993
- Listed for
- Architecture
- Significance
- Local
- Reference
- 93000157
- 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 ↗
Court Street Methodist Church▾JanesvilleBuilding1977
- Address
- 36 S. Main St., Janesville
- Listed
- Nov 17, 1977
- Listed for
- Commerce, Architecture, Religion
- Significance
- Local
- Also known as
- Rock County Appilance and TV
- Reference
- 77000045
- Built
- 1868
- Style
- Second Empire style
- Contributing
- 1 building
- 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 ↗
Courthouse Hill Historic District▾JanesvilleHistoric district1986
- Address
- Roughly bounded by E. Milwaukee St., Garfield and Oakland Aves., S. Main St., and E. Court St. and Milton Ave., Janesville
- Listed
- Jan 17, 1986
- Listed for
- Industry, Commerce, Architecture
- Significance
- Local
- Also known as
- See Also:Lovejoy and Merrrill-Nowlan Houses
- Reference
- 86000205
- 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 ↗
James B. Crosby House▾JanesvilleBuilding1995
- Address
- 1005 Sutherland Ave., Janesville
- Listed
- Dec 14, 1995
- Listed for
- Architecture, Health and medicine
- Significance
- Local
- Reference
- 95001454
- Built
- 1854
- Style
- Italianate architecture
- Contributing
- 1 building
- 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 ↗
Erastus Dean Farmstead▾JanesvilleBuilding1978
- Address
- E of Janesville on U.S. 14, Janesville vicinity
- Listed
- Dec 4, 1978
- Listed for
- Exploration and settlement, Agriculture
- Significance
- Local
- Also known as
- Dean Farm
- Reference
- 78000131
- Contributing
- 9 buildings, 1 structure
- 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 ↗
East Milwaukee Street Historic District▾JanesvilleHistoric district1980
- Address
- N. Parker Dr. and E. Milwaukee St., Janesville
- Listed
- Feb 8, 1980
- Listed for
- Industry, Commerce, Exploration and settlement, Architecture
- Significance
- Local
- Reference
- 80000184
- 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 ↗
Fredendall Block▾JanesvilleBuilding1982
- Address
- 33-39 S. Main St., Janesville
- Listed
- Mar 25, 1982
- Listed for
- Architecture
- Significance
- Local
- Also known as
- Kenilworth-Fredendall Block
- Reference
- 82000706
- Contributing
- 1 building
- 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 ↗Directions ↗

John and Martha Hugunin House▾JanesvilleBuilding2005
- Address
- 2739 Beloit Ave., Janesville
- Listed
- Jun 1, 2005
- Listed for
- Architecture
- Significance
- Local
- Reference
- 05000534
- Contributing
- 1 building
- 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 ↗Directions ↗
Janesville Cotton Mill▾JanesvilleBuilding1980
- Address
- 220 N. Franklin St., Janesville
- Listed
- Jul 16, 1980
- Listed for
- Industry
- Significance
- Local
- Also known as
- Janesville Cotton Manufacturing Co.; Janesville Cotton Mills
- Reference
- 80000186
- 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 ↗Directions ↗
Janesville High School▾JanesvilleBuilding1999
- Address
- 408 S. Main St., Janesville
- Listed
- Jun 25, 1999
- Listed for
- Architecture, Community planning
- Significance
- Local
- Also known as
- Marshall Junior High; Marshall Middle School
- Reference
- 99000760
- Contributing
- 1 building
- 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 ↗Directions ↗

Janesville Public Library▾JanesvilleBuilding1981
- Address
- 64 S. Main St., Janesville
- Listed
- Jul 1, 1981
- Listed for
- Architecture, Social history
- Significance
- State
- Also known as
- Crossroads Building
- Reference
- 81000057
- Built
- 1902
- Style
- Neoclassical architecture
- Contributing
- 1 building
- 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 ↗

Janesville Pumping Station▾JanesvilleBuilding1985
- Address
- 500 Blk. River St., Janesville
- Listed
- Mar 7, 1985
- Listed for
- Community planning
- Significance
- Local
- Reference
- 85000494
- Built
- 1887
- Contributing
- 1 building
- 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 ↗Directions ↗
Jefferson Avenue Historic District▾JanesvilleHistoric district2006
- Address
- Bounded by Oakland, Garfield and Ruger Aves. and Forest Park Blvd., Janesville
- Listed
- Apr 19, 2006
- Listed for
- Architecture
- Significance
- Local
- Reference
- 06000300
- 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 ↗
John H. Jones House▾JanesvilleBuilding2008
- Address
- 538 S. Main St., Janesville
- Listed
- Mar 14, 2008
- Listed for
- Architecture
- Significance
- Local
- Reference
- 08000186
- Style
- Queen Anne style architecture in the United States
- 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 ↗
Lappin-Hayes Block▾JanesvilleBuilding1976
- Address
- 20 E. Milwaukee St., Janesville
- Listed
- Nov 7, 1976
- Listed for
- Commerce, Exploration and settlement, Architecture
- Significance
- Local
- Also known as
- Hayes Block
- Reference
- 76000224
- Built
- 1855
- Style
- Italianate architecture
- Contributing
- 1 building
- 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 ↗
LaPrairie Grange Hall No. 79▾JanesvilleBuilding1977
- Address
- SE of Janesville on Town Hall Rd., Janesville vicinity
- Listed
- Apr 11, 1977
- Listed for
- Politics and government, Agriculture
- Significance
- Local
- Reference
- 77000050
- Built
- 1874
- Style
- Italianate architecture
- Contributing
- 1 building
- 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 ↗
Look West Historic District▾JanesvilleHistoric district1987
- Address
- Roughly bounded by Mineral Point Ave., N. Franklin and Race Sts., Laurel Ave., and N. Chatham St., Janesville
- Listed
- Mar 26, 1987
- Listed for
- Industry, Commerce, Transportation, Health and medicine, Education, Exploration and settlement, Law, Architecture
- Significance
- Local
- Reference
- 87000506
- 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 ↗
Look West Historic District (Boundary Increase)▾JanesvilleHistoric district1993
- Address
- Roughly bounded by Laurel Ave. and N. Madison, W. Court and N. Palm Sts., Janesville
- Listed
- Dec 10, 1993
- Listed for
- Architecture
- Significance
- Local
- Reference
- 93001429
- 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 ↗
Lovejoy and Merrill-Nowlan Houses▾JanesvilleBuilding1980
- Address
- 220 and 202 St. Lawrence Ave., Janesville
- Listed
- Jan 21, 1980
- Listed for
- Industry, Architecture
- Significance
- Local
- Also known as
- YWCA and the Nowlan-Merrill House
- Reference
- 80000187
- 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 ↗
Myers-Newhoff House▾JanesvilleBuilding1979
- Address
- 121 N. Parker Dr., Janesville
- Listed
- May 18, 1979
- Listed for
- European heritage, Architecture
- Significance
- Local
- Also known as
- Century Building
- Reference
- 79000277
- Built
- 1848
- Style
- Greek Revival architecture
- Contributing
- 1 building
- 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 ↗Directions ↗

Myers, Peter, Pork Packing Plant and Willard Coleman Building▾JanesvilleBuilding1983
- Address
- 117-123 N. Main St., Janesville
- Listed
- Jul 7, 1983
- Listed for
- Commerce, Architecture, Social history
- Significance
- Local
- Also known as
- Koutsky & Berg
- Reference
- 83003418
- Style
- Renaissance Revival architecture
- Contributing
- 3 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 ↗
North Main Street Historic District▾JanesvilleHistoric district1980
- Address
- N. Main St. and N. Parker Dr., Janesville
- Listed
- Feb 8, 1980
- Listed for
- Commerce, Exploration and settlement, Architecture
- Significance
- Local
- Reference
- 80000189
- 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 ↗
Old Fourth Ward Historic District▾JanesvilleHistoric district1990
- Address
- Roughly bounded by Washington St., Center Ave., Court St., Franklin St., and Monterey Park, Janesville
- Listed
- May 30, 1990
- Listed for
- Architecture, Social history
- Significance
- Local
- Reference
- 90000789
- 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 ↗
Payne–Craig House▾JanesvilleBuilding1987
- Address
- 2200 W. Memorial Dr., Janesville
- Listed
- Jul 2, 1987
- Listed for
- Industry, Architecture
- Significance
- Local
- Also known as
- Century Elms; Saxer, John, Residence
- Reference
- 87000990
- Contributing
- 3 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 ↗Directions ↗

Prospect Hill Historic District▾JanesvilleHistoric district1992
- Address
- Roughly bounded by Eisenhower, Prospect and Atwood Aves., Milwaukee St., Parker Dr. and Centerway, Janesville
- Listed
- Nov 5, 1992
- Listed for
- Architecture
- Significance
- Local
- Also known as
- See Also:Richardson, Hamilton, House
- Reference
- 92001558
- 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 ↗
Brewster Randall House▾JanesvilleBuilding1984
- Address
- 1412 Ruger Ave., Janesville
- Listed
- Mar 1, 1984
- Listed for
- Architecture
- Significance
- Local
- Also known as
- Upton-Williams House
- Reference
- 84003782
- Contributing
- 1 building
- 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 ↗Directions ↗
Hamilton Richardson House▾JanesvilleBuilding1978
- Address
- 429 Prospect Ave., Janesville
- Listed
- Jul 17, 1978
- Listed for
- Politics and government, Architecture
- Significance
- Local
- Also known as
- Butler-Kimball House
- Reference
- 78000135
- Style
- Italianate architecture
- Contributing
- 1 building
- 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 ↗Directions ↗

Roosevelt Elementary School▾JanesvilleBuilding·
- Address
- 316 South Ringold Street, Janesville
- Listed for
- Architecture
- Significance
- Local
- Also known as
- Roosevelt School
- Reference
- 100011593
- Contributing
- 1 building
- 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 ↗Directions ↗
South Main Street Historic District▾JanesvilleHistoric district1990
- Address
- Roughly S. Main St. from Milwaukee St. to Rock Co. Courthouse grounds and E. Court St. from Parker Dr. to Rock R., Janesville
- Listed
- Jun 1, 1990
- Listed for
- Commerce, Architecture
- Significance
- Local
- Also known as
- See Also:Lappin-Hayes Block; Court Street Methodist Church
- Reference
- 90000820
- 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 ↗

John and Eleanor Strunk House▾JanesvilleBuilding2008
- Address
- 2306 N. Parker Dr., Janesville
- Listed
- Mar 11, 2008
- Listed for
- Architecture
- Significance
- Local
- Reference
- 08000184
- Built
- 1844
- Style
- Greek Revival architecture
- Contributing
- 1 building
- 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 ↗Directions ↗
Tallman House▾JanesvilleBuilding1970
- Address
- 440 N. Jackson St., Janesville
- Listed
- Oct 15, 1970
- Listed for
- Architecture, Social history
- Significance
- Local
- Also known as
- Lincoln-Tallman House; Tallman Homestead
- Reference
- 70000085
- Built
- 1857
- Style
- Italianate architecture
- Contributing
- 1 building
- 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 ↗
Washington Elementary School▾JanesvilleBuilding·
- Address
- 811 North Pine Street, Janesville
- Listed for
- Architecture
- Significance
- Local
- Also known as
- Washington School
- Reference
- 100011594
- Contributing
- 1 building
- 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 ↗Directions ↗
West Milwaukee Street Historic District▾JanesvilleHistoric district1990
- Address
- Roughly bounded by Wall, River, Court, and Academy Sts., Janesville
- Listed
- May 17, 1990
- Listed for
- Commerce, Architecture
- Significance
- Local
- Reference
- 90000790
- 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 ↗Directions ↗
Whiton–Parker House▾JanesvilleBuilding2016
- Address
- 1000 E. Milwaukee St., Janesville
- Listed
- Feb 8, 2016
- Listed for
- Politics and government, Industry
- Significance
- State
- Reference
- 15001056
- Built
- 1852
- Style
- Greek Revival architecture, Colonial Revival architecture
- Contributing
- 1 building
- 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 ↗Directions ↗

Willard, Frances, Schoolhouse▾JanesvilleBuilding1977
- Address
- Craig Ave., Janesville
- Listed
- Oct 5, 1977
- Listed for
- Education, Social history
- Significance
- Local
- Reference
- 77000054
- Built
- 1853
- Style
- Greek Revival architecture
- Contributing
- 1 building
- 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 Rock County.
Nearby cities
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Guidebooks to historic places and travel in Wisconsin
Titles come from Open Library's catalog, matched by subject heading or by title.