Janesville WI
253 active listings out of 32K total properties we track across 17 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 253 currently-active listings in Janesville, WI. Full dataset covers 32K 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": 31733,
"active": 253,
"median_list": 325000
}Janesville, WI real estate: market summary
As of April 2026, Straply tracks 31,733 homes in Janesville, WI, with 253 active for sale at a median list price of $325,000 (~$178/sq ft). Notably, it has notably historic housing — 20% of homes predate 1940.
- Median list price
- $325,000
- Median $/sq ft
- $178
- Active listings
- 253
- Median sale price
- $274,950 (+4% YoY)
- Properties tracked
- 31,733
Frequently asked: Janesville, WI real estate
What is the median home price in Janesville?
The median list price in Janesville, WI is $325,000 (about $178 per square foot), based on 253 active listings tracked by Straply as of April 2026.
What price range are homes in Janesville?
Active listings in Janesville, WI concentrate in: 45% under $300k and 35% $300k–$500k.
Are home prices in Janesville going up or down?
The median sale price is $274,950, up 4% year over year. Straply tracked 1,225 sales here over the past 12 months.
How many homes are for sale in Janesville?
Straply is tracking 253 active listings in Janesville, WI out of 31,733 properties on record as of April 2026.
How old are the homes in Janesville?
Most homes in Janesville, WI were built in the 1990s. About 38% 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 (71% of listings). Also common: condos 20%, multi-family homes 6%.
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.
What areas are near Janesville?
Nearby markets Straply also tracks include Evansville, Orfordville, Stoughton, Brooklyn.
Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.