Cook County Value

12121 S 87th Ave Palos Park, IL 60464

4 bed / 2 bath, 1,469 sqft, built 1936, in Palos. Assessor market value for 2026: $390,000.

Cook County account 23261070040000

Assessor market value
$390,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,469 sqft
$265 per sqft
Year built
1936
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 60464 and Palos assessment pages.

Local guide: Palos Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Palos have closed (Assessor , Board of Review ). 2027 notices usually start in March.

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 $265 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Palos neighborhood and ZIP 60464.
  • Neighborhood value signalAmong 1,213 residential records in the same neighborhood, the average assessor market value is about $212 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +23.4% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 8114 125th St Palos Park, IL 60464
    1,446 sqft | $311/sqft | built 1942 | Similar size (1,446 vs 1,469 sqft); Similar lot size (29,900 vs 29,919 sqft); Same quality (Average)
    $450,000
  • 12319 S 81st Ave Palos Park, IL 60464
    1,495 sqft | $274/sqft | built 1938 | Similar size (1,495 vs 1,469 sqft); Similar age (1938 vs 1936); Lot 13% smaller (26,063 vs 29,919 sqft)
    $410,000
  • 12241 S 87th Ave Palos Park, IL 60464
    1,618 sqft | $266/sqft | built 1938 | 10% larger (1,618 vs 1,469 sqft); Similar age (1938 vs 1936); Similar lot size (29,922 vs 29,919 sqft)
    $430,000
  • 8500 122nd Pl Palos Park, IL 60464
    1,520 sqft | $283/sqft | built 1929 | Similar size (1,520 vs 1,469 sqft); Similar lot size (29,086 vs 29,919 sqft); Same quality (Average)
    $430,000
  • 12512 80th Ave Palos Park, IL 60464
    1,612 sqft | $242/sqft | built 1936 | 10% larger (1,612 vs 1,469 sqft); Built same year (1936); Similar lot size (29,665 vs 29,919 sqft)
    $390,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 12302 S Mohawk Rd Palos Park, IL 60464
    1,312 sqft | $274/sqft | built 1951 | 11% size difference (1,312 sqft); Same beds (4)
    $360,000

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+$74,470+27.0%
2022$275,530$00.0%
2021$275,530+$100.0%
2020$275,520——
6-year total+$114,480+41.6%