Janesville WI
609 active listings out of 33K total properties we track across 25 Janesville ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Wisconsin (statewide), not just Janesville. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 609 currently-active listings in Janesville, WI. Full dataset covers 33K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Janesville
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Wisconsin cities within driving distance.
Get Janesville, WI data in your app
GET https://api.straply.com/v1/markets/city/janesville-wi
Authorization: Bearer $STRAPLY_KEY{
"city": "janesville-wi",
"total_tracked": 32951,
"active": 609,
"median_list": 350000
}Janesville, WI real estate: market summary
As of November 2026, Straply tracks 32,951 homes in Janesville, WI, with 609 active for sale at a median list price of $350,000 (~$204/sq ft). Notably, home prices are climbing — the median sale price is up 9% year over year.
- Median list price
- $350,000
- Median $/sq ft
- $204
- Active listings
- 609
- Median sale price
- $304,000 (+9% YoY)
- Properties tracked
- 32,951
Frequently asked: Janesville, WI real estate
What is the median home price in Janesville?
The median list price in Janesville, WI is $350,000 (about $204 per square foot), based on 609 active listings tracked by Straply as of November 2026.
What price range are homes in Janesville?
Active listings in Janesville, WI concentrate in: 45% $300k–$500k and 38% under $300k.
Are home prices in Janesville going up or down?
The median sale price is $304,000, up 9% year over year. Straply tracked 1,085 sales here over the past 12 months.
How many homes are for sale in Janesville?
Straply is tracking 609 active listings in Janesville, WI out of 32,951 properties on record as of November 2026.
How old are the homes in Janesville?
Most homes in Janesville, WI were built in the 1990s. About 39% were built after 1980, while 20% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Janesville?
Janesville, WI is mostly single-family homes (81% of listings). Also common: condos 8%.
How many bedrooms do homes in Janesville typically have?
The most common size in Janesville, WI is 3 bd.
What are the most active ZIP codes in Janesville?
The ZIP codes with the most active listings in Janesville, WI are 53546, 53545, 53548, 54630, 53537.
What areas are near Janesville?
Nearby markets Straply also tracks include Evansville, Orfordville, Stoughton, Brooklyn.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.