HOME AFFORDABILITY IL

Rock Island County, IL Home Values: $154K Median

Median: $153,550 · Remediation: $1,807-$3,833 · 21 ZIP codes · Updated 2026-06-04

Data: U.S. Census Bureau ACS, EPA, FEMA Last verified: 2026-06-04

$153,550
Median Home Value
$102,600
Lowest Value
$235,800
Highest Value
$2,743
Avg Remediation
1.9%
Equity Trap Ratio
21
ZIP Codes

Remediation Cost Breakdown

Average remediation cost by component in Rock Island County.

Radon $1,200
Flood Insurance $1,114
Lead $229
Filtration $100
Pfas $100

Cost estimates based on EPA, FEMA, and industry data. Actual costs vary by location and scope. Get multiple quotes.

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Home Affordability Overview

The median home value across 18 ZIP codes in Rock Island County is $154K, ranging from $103K to $236K.

Beyond purchase price, homeowners should budget for safety remediation. Average costs in Rock Island County range from $2K (basic) to $4K (comprehensive), with a mid-range estimate of $3K.

Cost estimates are based on EPA, FEMA, and industry data. Actual costs vary by location, home age, and scope. Get multiple quotes before proceeding.

Equity Trap Analysis

At a median home value of $154K and mid-range remediation cost of $3K, remediation represents approximately 1.8% of home value in Rock Island County.

Remediation Cost Breakdown

Average cost by component across Rock Island County ZIP codes:

Component Avg Cost
Radon $1K
Flood Insurance $1K
Lead $229
Filtration $100
Pfas $100

Based on EPA, FEMA, and industry cost estimates. Actual costs depend on home age, condition, and local labor rates.

What Homebuyers Should Know

When evaluating homes in Rock Island County, the purchase price is only part of the total cost of ownership. Safety-related remediation costs — including water filtration, lead pipe replacement, radon mitigation, and flood insurance — can add thousands of dollars to the first-year budget.

Homebuyers should request a water quality test and review the ZIP code safety report before closing. Properties in ZIPs with more violations or older infrastructure may require higher remediation budgets. Check your specific ZIP code on ZipCheckup for a detailed cost estimate.

Understanding the Equity Trap

An "equity trap" occurs when required safety remediation costs consume a disproportionate share of home equity — typically above 15% of the home's value. This is most common in areas where home values are lower but environmental risks are elevated.

In Rock Island County, remediation costs range from $2K to $4K depending on the specific issues found. For a home at the county median of $154K, these costs are manageable. However, homes at the low end ($103K) may face equity trap conditions where remediation represents a significant financial burden.

Most Affordable Cities in Rock Island County

City Median Home Value Population
Carbon Cliff $103K 30,981
Hillsdale $116K 1,678
Rock Island $118K 144,265
Barstow $119K 2,134
New Boston $131K 613

Most Expensive Cities in Rock Island County

City Median Home Value Population
Port Byron $236K 2,028
Coal Valley $231K 8,889
Taylor Ridge $223K 40,881
Rapids City $223K 962
Cordova $219K 1,602

Insurance and Ongoing Costs

Beyond one-time remediation, homeowners in Rock Island County should budget for ongoing costs:

  • Flood insurance — required for properties in FEMA Special Flood Hazard Areas with federally backed mortgages. Average NFIP policy: $700-$1,500/year

  • Water filter maintenance — replacement cartridges every 3-12 months depending on system type ($50-$300/year)

  • Annual water testing — recommended for homes with private wells or older plumbing ($50-$200/year)

  • Radon testing — EPA recommends retesting every 2 years or after structural changes ($15-$200 per test)

How to Use This Data

This analysis combines home value data from the U.S. Census Bureau with remediation cost estimates from EPA, FEMA, and industry sources. For the most accurate picture of total ownership costs:

  1. Check your specific ZIP code — costs vary significantly within Rock Island County

  2. Get a home inspection — professional inspections can identify specific remediation needs before purchase

  3. Request water test results — ask the seller or utility for recent water quality data

  4. Get multiple quotes — remediation costs vary by contractor and scope of work

  5. Factor in financing — some remediation costs can be rolled into mortgage financing through FHA 203(k) or similar programs

Data Sources

Updated daily.

Buying a home in Rock Island County?

Average remediation costs here run $1,807-$3,833. A water quality test before closing can save thousands in unexpected repairs.

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Frequently Asked Questions

What is the median home value in Rock Island County?

The median home value across 18 ZIP codes in Rock Island County is $154K, ranging from $103K to $236K.

How much does home remediation cost in Rock Island County?

Average remediation costs in Rock Island County range from $2K (basic) to $4K (comprehensive). Mid-range estimate: $3K.

What is an equity trap in Rock Island County?

An equity trap occurs when remediation costs consume a disproportionate share of home equity. In Rock Island County, remediation ($3K) represents 1.8% of median home value ($154K).

What safety issues should homebuyers budget for in Rock Island County?

Common remediation needs include lead pipe replacement, water filtration, radon mitigation, flood insurance, and PFAS treatment. Costs vary by ZIP code — check your specific area.

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