Cook County Value

157 Marengo Ave Forest Park, IL 60130

3 bed / 2 bath, 1,780 sqft, built 1999, in Proviso. Assessor market value for 2026: $390,000.

Cook County account 15124190280000

Assessor market value
$390,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,780 sqft
$219 per sqft
Year built
1999
Average quality

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 60130 and Proviso assessment pages.

Local guide: Proviso Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Proviso, appeals to the Assessor are open through (8 days left).

Deadline rule: Set by township: file with the Assessor by your township's last file date, and with the Board of Review while your township is open there. Evidence is reviewed by the Cook County Assessor's Office or, in a separate appeal, by the Cook County Board of Review. Dates checked against the official source.

Assessment snapshot

These public CCAO records highlight what may be worth checking before you file.

  • Assessment changeThe assessor market value increased 11.4% from $350,000 in 2025 to $390,000 in 2026.
  • Assessor market value per square footThe current public record shows about $219 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Proviso neighborhood and ZIP 60130.
  • Neighborhood value signalAmong 1,139 residential records in the same neighborhood, the average assessor market value is about $260 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +21.6% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 155 Marengo Ave Forest Park, IL 60130
    1,780 sqft | $219/sqft | built 1999 | Similar size (1,780 vs 1,780 sqft); Built same year (1999); Similar lot size (1,066 vs 1,179 sqft)
    $390,000
  • 36 Marengo Ave Forest Park, IL 60130
    1,782 sqft | $219/sqft | built 1988 | Similar size (1,782 vs 1,780 sqft); Similar lot size (1,195 vs 1,179 sqft); Same quality (Average)
    $390,000
  • 36 Marengo Ave Forest Park, IL 60130
    1,782 sqft | $219/sqft | built 1988 | Similar size (1,782 vs 1,780 sqft); Similar lot size (1,195 vs 1,179 sqft); Same quality (Average)
    $390,000
  • 32 Marengo Ave Forest Park, IL 60130
    1,782 sqft | $208/sqft | built 1989 | Similar size (1,782 vs 1,780 sqft); Similar lot size (1,195 vs 1,179 sqft); Same quality (Average)
    $370,000
  • 33 Elgin Ave Forest Park, IL 60130
    1,782 sqft | $208/sqft | built 1988 | Similar size (1,782 vs 1,780 sqft); Similar lot size (1,194 vs 1,179 sqft); Same quality (Average)
    $370,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 7241 Franklin St UNIT A Forest Park, IL 60130
    1,769 sqft | $216/sqft | built 1990 | Similar size (1,769 sqft); Moderate age difference (9 years older); Within 1 bedroom (2 vs 3)
    $382,000
  • 210 Des Plaines Ave UNIT E Forest Park, IL 60130
    2,192 sqft | $199/sqft | built 2002 | Similar age (2002); Same beds (3)
    $436,000
  • 7712 Harvard St Forest Park, IL 60130
    1,496 sqft | $201/sqft | built 1991 | Moderate age difference (8 years older); Within 1 bedroom (2 vs 3)
    $300,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 11.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$390,000+$40,000+11.4%
2025$350,000$00.0%
2024$350,000$00.0%
2023$350,000+$39,710+12.8%
2022$310,290$00.0%
2021$310,290+$100.0%
2020$310,280——
6-year total+$79,720+25.7%