Crystal Lake, IL Real Estate & Property Data

Crystal Lake Real Estate Market Trends
Last Updated: October 11, 2025

Accurate and comprehensive real estate data is critical for insight into Crystal Lake, IL. ATTOM’s Crystal Lake real estate data is updated daily, and current market trends show that in Crystal Lake, IL a total of 1,000 residential properties have sold over the past year. With a median home price of $440,500 in Crystal Lake and a total of 9 foreclosures. Get detailed property data for Crystal Lake, IL instantly. ATTOM is your one-stop-shop for the Crystal Lake property reports and real estate data you need in Crystal Lake, IL.

Crystal Lake Real Estate Market Trends
Total Residential Properties 20,307
Total Commercial Properties 1,219
Avg. Home Age (Single Family Home) 45 Years
Avg. Square Feet (Single Family Home) 2,103
Total 2025 Residential Sales (year-to-date) 469
% of Homes Seriously Underwater (Q4 2025) 0.69%
Total 2024 Residential Sales 958
% of Equity Rich Homes (Q4 2025) 48.56%
Effective 2024 Property Tax 2.04%
Total Foreclosure Filings (year-to-date) 43
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Crystal Lake, IL Real Estate Overview

There were 1,000 residential properties sold in the past year in Crystal Lake, IL. The median home value in Crystal Lake, IL is $395,500. There are a total of 20,307 residential properties in the Crystal Lake.

Median Sales Price i
$440,500
(Jul 2025)
+7.8%
year-over-year
y-o-y
  • July '25 Jul '25 $440,500
  • June '25 Jun '25 $425,000
  • May '25 May '25 $400,250
  • April '25 Apr '25 $371,000
  • March '25 Mar '25 $416,250
  • February '25 Feb '25 $395,000
  • January '25 Jan '25 $349,500
  • December '24 Dec '24 $406,000
  • November '24 Nov '24 $370,000
  • October '24 Oct '24 $360,000
  • September '24 Sep '24 $390,000
  • August '24 Aug '24 $374,500
Median Down Payment i
$67,500
(Jul 2025)
+0.5%
year-over-year
y-o-y
  • July '25 Jul '25 $67,500
  • June '25 Jun '25 $63,500
  • May '25 May '25 $62,504
  • April '25 Apr '25 $57,500
  • March '25 Mar '25 $62,000
  • February '25 Feb '25 $65,000
  • January '25 Jan '25 $88,000
  • December '24 Dec '24 $64,000
  • November '24 Nov '24 $66,400
  • October '24 Oct '24 $49,550
  • September '24 Sep '24 $70,000
  • August '24 Aug '24 $60,125
Number of Homes Sold i
95
(Jul 2025)
-13.6%
year-over-year
y-o-y
  • July '25 Jul '25 95
  • June '25 Jun '25 109
  • May '25 May '25 59
  • April '25 Apr '25 62
  • March '25 Mar '25 52
  • February '25 Feb '25 50
  • January '25 Jan '25 42
  • December '24 Dec '24 76
  • November '24 Nov '24 80
  • October '24 Oct '24 73
  • September '24 Sep '24 92
  • August '24 Aug '24 100
Number of Purchase Loans i
72
(Jul 2025)
-20%
year-over-year
y-o-y
  • July '25 Jul '25 72
  • June '25 Jun '25 80
  • May '25 May '25 51
  • April '25 Apr '25 49
  • March '25 Mar '25 40
  • February '25 Feb '25 39
  • January '25 Jan '25 37
  • December '24 Dec '24 69
  • November '24 Nov '24 57
  • October '24 Oct '24 60
  • September '24 Sep '24 72
  • August '24 Aug '24 74
Number of REFI Loans i
39
(Jul 2025)
-13.3%
year-over-year
y-o-y
  • July '25 Jul '25 39
  • June '25 Jun '25 38
  • May '25 May '25 40
  • April '25 Apr '25 55
  • March '25 Mar '25 29
  • February '25 Feb '25 34
  • January '25 Jan '25 36
  • December '24 Dec '24 43
  • November '24 Nov '24 48
  • October '24 Oct '24 67
  • September '24 Sep '24 41
  • August '24 Aug '24 37
Number of HELOC Loans i
47
(Jul 2025)
+95.8%
year-over-year
y-o-y
  • July '25 Jul '25 47
  • June '25 Jun '25 27
  • May '25 May '25 20
  • April '25 Apr '25 34
  • March '25 Mar '25 30
  • February '25 Feb '25 23
  • January '25 Jan '25 33
  • December '24 Dec '24 30
  • November '24 Nov '24 29
  • October '24 Oct '24 31
  • September '24 Sep '24 32
  • August '24 Aug '24 33

Crystal Lake, IL Real Estate Market Overview

Last 30 days
  • Zip
    Median Est. Value
  • Zip
    Median Est. Value

Crystal Lake, IL Foreclosure Activity

There were a total of 9 Crystal Lake, IL properties with a foreclosure filing in July 2025.

Total Foreclosure Filings i
9
(Jul 2025)
year-over-year
y-o-y
  • July '25 Jul '25 9
  • June '25 Jun '25 3
  • May '25 May '25 8
  • April '25 Apr '25 5
  • March '25 Mar '25 8
  • February '25 Feb '25 6
  • January '25 Jan '25 4
  • December '24 Dec '24 8
  • November '24 Nov '24 4
  • October '24 Oct '24 9
  • September '24 Sep '24 6
  • August '24 Aug '24 7
Foreclosure Starts i
6
(Jul 2025)
-33.3%
year-over-year
y-o-y
  • July '25 Jul '25 6
  • June '25 Jun '25 3
  • May '25 May '25 5
  • April '25 Apr '25 5
  • March '25 Mar '25 5
  • February '25 Feb '25 6
  • January '25 Jan '25 4
  • December '24 Dec '24 6
  • November '24 Nov '24 3
  • October '24 Oct '24 5
  • September '24 Sep '24 4
  • August '24 Aug '24 3
Completed Foreclosures (REOs) i
  • July '25 Jul '25 N/A
  • June '25 Jun '25 N/A
  • May '25 May '25 N/A
  • April '25 Apr '25 1
  • March '25 Mar '25 N/A
  • February '25 Feb '25 N/A
  • January '25 Jan '25 1
  • December '24 Dec '24 2
  • November '24 Nov '24 N/A
  • October '24 Oct '24 N/A
  • September '24 Sep '24 1
  • August '24 Aug '24 N/A
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