Grayslake IL
364 active listings out of 17K total properties we track across 5 Grayslake 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 Grayslake. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 364 currently-active listings in Grayslake, IL. Full dataset covers 17K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Grayslake
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Illinois cities within driving distance.
Get Grayslake, IL data in your app
GET https://api.straply.com/v1/markets/city/grayslake-il
Authorization: Bearer $STRAPLY_KEY{
"city": "grayslake-il",
"total_tracked": 16793,
"active": 364,
"median_list": 294900
}Grayslake, IL real estate: market summary
As of November 2026, Straply tracks 16,793 homes in Grayslake, IL, with 364 active for sale at a median list price of $294,900 (~$166/sq ft). Notably, home prices are climbing — the median sale price is up 14% year over year.
- Median list price
- $294,900
- Median $/sq ft
- $166
- Active listings
- 364
- Median sale price
- $370,000 (+14% YoY)
- Properties tracked
- 16,793
Frequently asked: Grayslake, IL real estate
What is the median home price in Grayslake?
The median list price in Grayslake, IL is $294,900 (about $166 per square foot), based on 364 active listings tracked by Straply as of November 2026.
What price range are homes in Grayslake?
Active listings in Grayslake, IL concentrate in: 52% under $300k and 35% $300k–$500k.
Are home prices in Grayslake going up or down?
The median sale price is $370,000, up 14% year over year. Straply tracked 391 sales here over the past 12 months.
How many homes are for sale in Grayslake?
Straply is tracking 364 active listings in Grayslake, IL out of 16,793 properties on record as of November 2026.
How old are the homes in Grayslake?
Most homes in Grayslake, IL were built in the 1990s. About 72% were built after 1980, while 4% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Grayslake?
Grayslake, IL is mostly single-family homes (46% of listings). Also common: manufactured homes 32%, townhouses 13%.
How many bedrooms do homes in Grayslake typically have?
The most common size in Grayslake, IL is 2 bd.
What areas are near Grayslake?
Nearby markets Straply also tracks include Hainesville, Round Lake Park, Round Lake Beach, Round Lake.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.