Perfect for a multi-generational family as a home with a mother-in law suite, or a single family residence. There's endless possibilities here! One area has it's own living room, kitchen, bedroom & full bath all on one level. The other area has 2 bedrooms, a living room, kitchen & full bath on two levels. There's currently a doorway between these spaces, but they could easily be divided if someone preferred. The mechanicals & roof are newer. All of the appliances are included in the sale. The neighboring vacant lot with shed is in included in the sale providing additional land to add a large garage. This affordable, well cared for property is centrally located for easy access to the east or west side of town, parks, medical services, shopping & beautiful downtown Janesville.
Sold
$154,000
603 Williams St, Janesville, WI 53545
3beds
1,434sqft
Single Family Residence
Built in 1840
0.34 Acres Lot
$205,800 Zestimate®
$107/sqft
$1,650 Estimated rent
Home value
$205,800
$165,000 - $247,000
$1,650/mo
Zestimate® history
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Zillow last checked:
Listing updated:
Listed by:
Donna Panico,
Coldwell Banker The Realty Group
Bought with:
Liane Haase, 46039-94
Coldwell Banker The Realty Group
Source: SCWMLS,MLS#: 2010201
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
- Main level bathrooms: 2
Primary bedroom
- Level: Upper
- Area: 210
- Dimensions: 15 x 14
Bedroom 2
- Level: Upper
- Area: 150
- Dimensions: 15 x 10
Bedroom 3
- Level: Main
- Area: 105
- Dimensions: 15 x 7
Family room
- Area: 210
- Dimensions: 15 x 14
Kitchen
- Features: Range/Oven, Refrigerator
- Level: Main
- Area: 117
- Dimensions: 13 x 9
Living room
- Level: Main
- Area: 195
- Dimensions: 15 x 13
Heating
- Forced Air
Cooling
- Central Air, Wall Unit(s)
Appliances
- Included: Washer, Dryer
- Laundry: Lower Level
Features
- Second Kitchen, Three-Season
- Basement: Partial,Crawl Space,Exterior Entry
- Has fireplace: No
Interior area
- Total structure area: 1,434
- Total interior livable area: 1,434 sqft
- Finished area above ground: 1,434
Property
Parking
- Parking features: No Garage
- Has uncovered spaces: Yes
Features
- Levels: One and One Half,One,Two,Multi/Split,Bi-level,Tri-level
- Stories: 1.5
- Patio & porch: Deck, Patio
Lot
- Size: 0.34 Acres
- Dimensions: 120x120
- Features: Near Public Transit, Corner Lot, Sidewalk
Details
- Additional structures: Storage
- Parcel number: 0125400262 & 0125400261
- Zoning: R2
Construction
Type & style
- Home type: SingleFamily
- Architectural style: National Folk/Farm,Ranch
- Property subtype: Single Family Residence
Materials
- Aluminum Siding
- Foundation: Other
Condition
- Year built: 1840
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Cable Available
Community & HOA
Location
- Region: Janesville
Financial & listing details
- Price per square foot: $107/sqft
- Tax assessed value: $160,100
- Annual tax amount: $2,481
- Date on market: 10/7/2025
- Listing terms: Arms Length
- Inclusions: washer, dryer, stove, refrigerator
- Exclusions: Personal Property
Price history
| Date | Event | Price |
|---|---|---|
| 10/31/2025 | Sold | $154,000+2.7%$107/sqft |
Source: SCWMLS #2010201 Report a problem | ||
| 10/12/2025 | Contingent | $150,000$105/sqft |
Source:  WIREX MLS #2010201 Report a problem | ||
| 10/7/2025 | Listed for sale | $150,000$105/sqft |
Source: WIREX MLS #2010201 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $2,427 +5.8% | $149,300 |
| 2024 | $2,295 +0.3% | $149,300 |
| 2023 | $2,287 +10.7% | $149,300 +53.8% |
| 2022 | $2,066 +0.4% | $97,100 |
| 2021 | $2,057 +0.9% | $97,100 |
| 2020 | $2,040 +3.6% | $97,100 |
| 2019 | $1,970 +14.2% | $97,100 +34.7% |
| 2018 | $1,724 | $72,100 |
| 2017 | $1,724 +1.1% | $72,100 |
| 2016 | $1,706 +6.2% | $72,100 |
| 2014 | $1,606 -1.5% | $72,100 -1.6% |
| 2013 | $1,631 -1.5% | $73,300 |
| 2012 | $1,657 -1.2% | $73,300 |
| 2011 | $1,677 | $73,300 -1.5% |
| 2010 | -- | $74,400 |
| 2009 | -- | $74,400 |
| 2008 | -- | $74,400 |
| 2007 | -- | $74,400 |
| 2006 | -- | $74,400 |
| 2005 | -- | $74,400 |
| 2004 | -- | $74,400 |
| 2003 | -- | $74,400 +6.7% |
| 2002 | -- | $69,700 +7.1% |
| 2001 | -- | $65,100 |
Find assessor info on the county website
Neighborhood: 53545
Nearby homes
- $12,000-- bd-- ba-- sqft607 Williams St, Janesville, WI 53545Off Market
- $183,3003 bd1 ba1k sqft613 Williams St, Janesville, WI 53545Off Market
- $195,5002 bd1 ba1.3k sqft551 Williams St, Janesville, WI 53545Off Market
- $240,0003 bd1 ba1.1k sqft353 Hyatt St, Janesville, WI 53545Sold
- $225,3002 bd1 ba1.4k sqft305 Hyatt St, Janesville, WI 53545Off Market
- $205,6003 bd1 ba1.2k sqft606 Harding St, Janesville, WI 53545Off Market
- $--2 bd1 ba1k sqft639-641 Williams St #639, Janesville, WI 53545Off Market
- $215,0002 bd1 ba1.3k sqft612 Williams St, Janesville, WI 53545Sold
Nearby schools
GreatSchools rating
- 5/10Adams Elementary SchoolGrades: PK-5Distance: 0.7 mi
- 3/10Franklin Middle SchoolGrades: 6-8Distance: 1.4 mi
- 3/10Parker High SchoolGrades: 9-12Distance: 2.1 mi
Schools provided by the listing agent
- Elementary: Adams
- Middle: Franklin
- High: Parker
- District: Janesville
Source: SCWMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$205,800
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$205,800
- Wisconsin
- Rock County
- Janesville
- 53545
- 603 Williams St
