Crystal Lake, IL Property Tax Rates

Compare property tax rates across 2 ZIP codes in Crystal Lake, Illinois.

ACS 2019-2023 · Updated Dec 2024

Avg Tax Rate

2.52%

Avg Annual Tax

$8,736

Avg Home Value

$346,600

ZIP Codes

2

Property Tax Overview: Crystal Lake, IL

Crystal Lake has 2 ZIP codes with property tax data. The average effective tax rate across these ZIPs is 2.52%, which is 34% above the Illinois average of 1.88%. Annual property taxes range from $10,001 (ZIP 60012) to $7,471 (ZIP 60014).

For a home at Crystal Lake's median value of $346,600, property taxes add approximately $728/month to housing costs. Crystal Lake home values are above the Illinois median of $185,194, meaning the monthly tax impact is correspondingly higher.

Property tax rates within Crystal Lake vary by 0.00 percentage points across its ZIP codes. This variation typically reflects different school district boundaries, special assessment zones, and municipal service areas within the city.

ZIP Codes in Crystal Lake, IL

ZIP CodeEffective RateMedian TaxMedian Home Value
600122.52%$10,001$397,100
600142.52%$7,471$296,100

Crystal Lake vs Illinois Average

Effective Tax Rate

Crystal Lake2.52%
Illinois Avg1.88%

34% above state average

Annual Property Tax

Crystal Lake$8,736
Illinois Avg$3,501

Median Home Value

Crystal Lake$346,600
Illinois Avg$185,194

Frequently Asked Questions

What is the average property tax rate in Crystal Lake, IL?

The average effective property tax rate in Crystal Lake, Illinois is 2.52%, based on 2 ZIP codes.

How much is property tax in Crystal Lake, IL?

The average median annual property tax in Crystal Lake is $8,736 per year, with a median home value of $346,600.

Which ZIP code in Crystal Lake has the lowest property tax rate?

ZIP code 60012 has the lowest effective tax rate in Crystal Lake at 2.52%, with a median annual tax of $10,001.

How many ZIP codes are in Crystal Lake, IL?

Crystal Lake, Illinois has 2 ZIP codes with property tax data available.

Which ZIP code in Crystal Lake has the highest property tax rate?

ZIP code 60014 has the highest effective tax rate in Crystal Lake at 2.52%, with a median annual tax of $7,471.

How do Crystal Lake property taxes compare to the Illinois average?

Crystal Lake's average effective rate of 2.52% is 34% above the Illinois state average of 1.88%.

What factors affect property tax rates between ZIP codes in Crystal Lake?

Property tax rate differences within Crystal Lake are typically driven by school district boundaries (which can account for 40–60% of a tax bill), special assessment zones for fire, water, or transit services, and whether a ZIP falls within city limits or an unincorporated area. Each taxing jurisdiction sets its own rate, which is why adjacent ZIP codes can have noticeably different effective rates.

Tips for Crystal Lake Homeowners

  • Appeal your assessment: If your home is assessed higher than its market value, you can file a property tax appeal. Studies suggest 30–60% of properties are over-assessed. Most counties offer a free informal review process.
  • Check your exemptions: Homestead exemptions can reduce your taxable value and are available to primary residents in most states. Senior, veteran, and disability exemptions may also apply. Exemptions must typically be applied for — they are not automatic.
  • Know your assessment cycle: Illinois reassesses properties periodically. After buying a home, your next tax bill may reflect a new assessment based on your purchase price. Budget accordingly, especially if you bought above prior assessed values.
  • Compare ZIP codes before buying: Even within Crystal Lake, effective tax rates can vary significantly across ZIP codes due to different school district overlays. Use PropertyTaxByZip to compare specific ZIPs before choosing a neighborhood.

Looking for county-level property tax data? View McHenry County on TaxByCounty.com

Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.

Estimates are informational only and should not be used as financial or legal advice.

Learn about our data sources and methodology →