Grayslake, IL housing market
The typical Grayslake home is worth about $374,000, up 5.5% in a year, 26% above the Illinois typical home. Homes typically sell in 48 days, a little above asking.
Home values, sales, trends and how Grayslake compares with the towns next door — updated as new data is published.
Grayslake at a glance
A strong seller's market
Homes are selling faster than new ones are listed: less than two months of supply. Well-priced homes can draw several offers.
Typical home value, 2016–2026
Show as a table
| January | Grayslake | Illinois |
|---|---|---|
| 2017 | $226,000 | $181,000 |
| 2018 | $232,000 | $190,000 |
| 2019 | $236,000 | $195,000 |
| 2020 | $238,000 | $200,000 |
| 2021 | $255,000 | $215,000 |
| 2022 | $284,000 | $236,000 |
| 2023 | $305,000 | $248,000 |
| 2024 | $324,000 | $263,000 |
| 2025 | $349,000 | $278,000 |
| 2026 | $364,000 | $290,000 |
| August 2026 | $374,000 | $298,000 |
Grayslake and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Grayslake | $374K | +5.5% | 48 | $113,972 |
| Round Lake Beach | $260K | +5.2% | 40 | $86,059 |
| Gages Lake | $342K | +6.5% | 29 | $103,318 |
| Libertyville | — | — | 32 | $165,667 |
| Third Lake | $428K | +3.7% | — | $150,139 |
| Round Lake Park | $232K | +6% | 49 | $55,813 |
| Hainesville | $298K | +4.4% | — | $129,911 |
3.3 years of income
The typical Grayslake home costs about 3.3 years of the town's median household income, about the same as across Illinois (3.6).
How Grayslake ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.