Janesville IA
64 active listings out of 1K total properties we track across 3 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 Iowa (statewide), not just Janesville. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 64 currently-active listings in Janesville, IA. Full dataset covers 1K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Janesville
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Iowa cities within driving distance.
Get Janesville, IA data in your app
GET https://api.straply.com/v1/markets/city/janesville-ia
Authorization: Bearer $STRAPLY_KEY{
"city": "janesville-ia",
"total_tracked": 1017,
"active": 64,
"median_list": 239000
}Janesville, IA real estate: market summary
As of November 2026, Straply tracks 1,017 homes in Janesville, IA, with 64 active for sale at a median list price of $239,000 (~$181/sq ft). Notably, it has notably historic housing — 22% of homes predate 1940.
- Median list price
- $239,000
- Median $/sq ft
- $181
- Active listings
- 64
- Median sale price
- $343,750 (-26% YoY)
- Properties tracked
- 1,017
Frequently asked: Janesville, IA real estate
What is the median home price in Janesville?
The median list price in Janesville, IA is $239,000 (about $181 per square foot), based on 64 active listings tracked by Straply as of November 2026.
What price range are homes in Janesville?
Active listings in Janesville, IA concentrate in: 63% under $300k and 23% $300k–$500k.
Are home prices in Janesville going up or down?
The median sale price is $343,750, down 26% year over year. Straply tracked 18 sales here over the past 12 months.
How many homes are for sale in Janesville?
Straply is tracking 64 active listings in Janesville, IA out of 1,017 properties on record as of November 2026.
How old are the homes in Janesville?
Most homes in Janesville, IA were built in the 1970s. About 40% were built after 1980, while 22% predate 1940. The newest tracked home dates to 2025.
What types of homes are in Janesville?
Janesville, IA is mostly single-family homes (41% of listings). Also common: lots / land 41%, multi-family homes 9%.
How many bedrooms do homes in Janesville typically have?
The most common size in Janesville, IA is 3 bd.
What areas are near Janesville?
Nearby markets Straply also tracks include Denver, Shell Rock, Cedar Falls, New Hartford.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.