Date
Details
Price
Change
Source
12/11/2025
Listed
$599,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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1/71
$599,000
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Property Description
Rare Find! Impeccably restored Italianate home in Janesville's Courthouse Hill District. Named for one of the town's early business pioneers, the Lucius N. Williamson House was built in 1877 and is a contributing property on the National Register of Historic Places. Thanks to proud caring owners over the last 148 years, this 3,350 sf ft, 4 bed, 3 bath home has been immaculately maintained and updated. Tall ceilings and windows, decorative moldings, showpiece fireplaces, and original hardwood detail abound. Tastefully remodeled kitchen and bathrooms. Great outdoor living with large 2 tier composite deck. Beautifully landscaped and lovingly tended grounds reminiscent of an English country garden - complete with self-contained recirculating waterfall! Wonderful historic walkable neighborhood
Full Property Details
Full Property Details for 612 St Lawrence Ave
General
- Price: $599,000
- Taxes: $6,173 (2024)
- Status: Active
- Type: Single Family
- Source: Wirex_South_Central_Wisconsin_MLS_Corporation_SCW
- MLS ID: 2013611
- Updated: 12/15/2025
- Added to Site: 38 day(s) ago
Interior
- Interior Features: Wood or Simulated Wood Floors, Walk-In Closet(s), Water Softener, Cable/Satellite Available, High-Speed Internet
- Appliances: Range/Oven, Refrigerator, Dishwasher, Microwave, Disposal, Washer, Dryer
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 3
- Bathroom: Whirlpool, At least 1 Tub, Master Bedroom Bath: Full, Master Bedroom Bath, Master Bedroom Bath: Walk-In Shower
Bedrooms
- Total Bedrooms: 4
- Primary Bedroom: 19 x 17, Upper
- Bedroom 2: 14 x 13, Upper
- Bedroom 3: 12 x 11, Upper
- Bedroom 4: 14 x 9, Upper
Other Rooms
- Living Room: 27 x 17, Main
- Family Room: 17 x 17, Main
- Kitchen: 17 x 14, Main
- Dining Room: 19 x 12, Main
- Office/Den/Study: 14 x 14, Main
- Sun Room: 20 x 11, Main
Exterior
- Exterior Features: Deck, Sprinkler System
Parking
- Garage: Yes
- Garage Spaces: 2
- Garage Description: 2 Car, Detached, Heated, Opener Included
Location
- Municipality: Janesville
- County: Rock
- Subdivision: 032-Central-S. Garfield Ave
- Driving Directions: E on Court St, S on Jackman, E on St Lawrence
School Information
- School District: Janesville
- Elementary School: Call School District
- Middle School: Call School District
- High School: Craig
Heating & Cooling
- Heating Fuel: Natural Gas
- Heating/Cooling: Forced Air, Central Air Conditioning
Utilities
- Water/Sewer: Municipal Water, Municipal Sewer
- Utility Description: High Speed Internet Available
Structural Information
- Architectural Style: Farmhouse/National Folk
- Description/Design: 2 Stories
- Exterior Const.: Aluminum/Steel
- Basement Desc.: Full
- Square Feet: 3,350
- Square Feet Range: 3001 to 3500
- Sq. Ft. Source: Assessor/Public Record
- Year Built: 1877
Lot Features
- Lot Size Source: Assessor/Public Record
- Zoning: Res
- Lot Description: Sidewalks
Financial Considerations
- Tax Amount: $6,173
- Tax Year: 2024
Disclosures and Reports
- Exclusions: Sellers personal property, garden pond statues
- Inclusions: Cooktop, Oven, Refrigerator, Dishwasher, Microwave, LL refrigerator and freezer, Washer, Dryer, Fireplace tools, Living room "breakfront" cabinet, Entryway coat rack, Hanging pot holder w/copper pots in kitchen, W/softener, RO system. Stain glass inserts, Basement shelving
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Schools
Schools serving 612 St Lawrence Ave
School District:Janesville School District
| Name | Grades | Distance |
|---|---|---|
Roosevelt Elementary School, Janesville, WI 316 South Ringold Street, Janesville, WI 53545 | PK-5 | 0.4 mi |
Edison Middle School, Janesville, WI 1649 South Chatham Street, Janesville, WI 53546 | 6-8 | 2.2 mi |
Craig High School 401 South Randall Avenue, Janesville, WI 53545 | 9-12 | 0.7 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 612 St Lawrence Ave
Tax History
Tax History for 612 St Lawrence Ave
Year
Property Taxes
Change
Tax Assessment
Change
2024
$6,173
—
$373,800
—
2023
$6,177
12%
$373,800
55%
2022
$5,534
—
$241,300
—
2021
$5,556
6%
$241,300
—
2019
$5,232
12%
$241,300
33%
2018
$4,656
2%
$181,700
—
2017
$4,547
2%
$181,700
—
2016
$4,462
4%
$181,700
—
2015
$4,303
—
$181,700
—
2014
$4,297
-2%
$181,700
—
2013
$4,375
1%
$181,700
—
2012
$4,336
—
$181,700
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 612 St Lawrence Ave
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- Single Family
- Active
- Updated 2 days ago
- 4Beds
- 3Total Baths
- 2,912Sq. Ft.
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- Single Family
- Active
- Updated 2 days ago
- 3Beds
- 3Total Baths
- 2,800Sq. Ft.
- Single Family
- Active
- Updated 1 hour ago
- 3Beds
- 2Total Baths
- 1,488Sq. Ft.
- Single Family
- Active
- Updated 3 days ago
- 3Beds
- 2Total Baths
- 1,808Sq. Ft.
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- Single Family
- Active
- Updated 2 days ago
- 4Beds
- 3Total Baths
- 2,912Sq. Ft.
- Single Family
- Active
- Updated 4 days ago
- 3Beds
- 2Total Baths
- 1,872Sq. Ft.
- Single Family
- Active
- Updated 5 days ago
- 2Beds
- 2Total Baths
- 1,360Sq. Ft.
- Single Family
- Active
- Updated 2 days ago
- 4Beds
- 3Total Baths
- 1,365Sq. Ft.
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612 Saint Lawrence Avenue, Janesville, WI 53545 (MLS# 2013611) is a Single Family property with 4 bedrooms and 3 full bathrooms. 612 Saint Lawrence Avenue is currently listed for $599,000 and was received on December 11, 2025. Want to learn more about 612 Saint Lawrence Avenue? Do you have questions about finding other Single Family real estate for sale in Janesville? You can browse all Janesville real estate or contact a Coldwell Banker agent to request more information.