Williamsville IL
17 active listings out of 768 total properties we track across 4 Williamsville 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 Illinois (statewide), not just Williamsville. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 17 currently-active listings in Williamsville, IL. Full dataset covers 768 properties — listings, off-market homes, rentals, and full history.
ZIP codes in Williamsville
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Illinois cities within driving distance.
Get Williamsville, IL data in your app
GET https://api.straply.com/v1/markets/city/williamsville-il
Authorization: Bearer $STRAPLY_KEY{
"city": "williamsville-il",
"total_tracked": 768,
"active": 17,
"median_list": 200000
}Williamsville, IL real estate: market summary
As of November 2026, Straply tracks 768 homes in Williamsville, IL, with 17 active for sale at a median list price of $200,000 (~$145/sq ft). Notably, most homes were built in the 1990s.
- Median list price
- $200,000
- Median $/sq ft
- $145
- Active listings
- 17
- Median sale price
- $293,500
- Properties tracked
- 768
Frequently asked: Williamsville, IL real estate
What is the median home price in Williamsville?
The median list price in Williamsville, IL is $200,000 (about $145 per square foot), based on 17 active listings tracked by Straply as of November 2026.
What price range are homes in Williamsville?
Active listings in Williamsville, IL concentrate in: 75% under $300k and 19% $300k–$500k.
How many homes are for sale in Williamsville?
Straply is tracking 17 active listings in Williamsville, IL out of 768 properties on record as of November 2026.
How old are the homes in Williamsville?
Most homes in Williamsville, IL were built in the 1990s. About 65% were built after 1980, while 15% predate 1940. The newest tracked home dates to 2024.
What types of homes are in Williamsville?
Williamsville, IL is mostly single-family homes (65% of listings). Also common: lots / land 18%, multi-family homes 12%.
How many bedrooms do homes in Williamsville typically have?
The most common size in Williamsville, IL is 4 bd.
What areas are near Williamsville?
Nearby markets Straply also tracks include Riverton, Athens, Dawson, Grandview.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.