Cook County Value

120 S Prater Ave Northlake, IL 60164

3 bed / 1 bath, 1,571 sqft, built 1939, in Proviso. Assessor market value for 2026: $270,000.

Cook County account 15051100150000

Assessor market value
$270,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,571 sqft
$172 per sqft
Year built
1939
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 60164 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 12.5% from $240,000 in 2025 to $270,000 in 2026.
  • Assessor market value per square footThe current public record shows about $172 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 60164.
  • Neighborhood value signalAmong 630 residential records in the same neighborhood, the average assessor market value is about $204 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +15.7% on average.

Comparable assessments

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

  • 105 S Caryl Ave Northlake, IL 60164
    1,534 sqft | $183/sqft | built 1939 | Similar size (1,534 vs 1,571 sqft); Built same year (1939); Similar lot size (7,500 vs 7,500 sqft)
    $280,000
  • 119 S Marilyn Ave Northlake, IL 60164
    1,642 sqft | $171/sqft | built 1940 | Similar size (1,642 vs 1,571 sqft); Similar age (1940 vs 1939); Similar lot size (7,500 vs 7,500 sqft)
    $280,000
  • 104 S Roberta Ave Northlake, IL 60164
    1,562 sqft | $173/sqft | built 1940 | Similar size (1,562 vs 1,571 sqft); Similar age (1940 vs 1939); Lot 13% larger (8,450 vs 7,500 sqft)
    $270,000
  • 132 S Marilyn Ave Northlake, IL 60164
    1,409 sqft | $170/sqft | built 1940 | 10% smaller (1,409 vs 1,571 sqft); Similar age (1940 vs 1939); Similar lot size (7,500 vs 7,500 sqft)
    $240,000
  • 109 Victoria Dr Northlake, IL 60164
    1,621 sqft | $148/sqft | built 1940 | Similar size (1,621 vs 1,571 sqft); Similar age (1940 vs 1939); Lot 13% larger (8,468 vs 7,500 sqft)
    $240,000

Recent comparable sales

Sales selected by similarity to the subject property.

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 12.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$270,000+$30,000+12.5%
2025$240,000$00.0%
2024$240,000$00.0%
2023$240,000+$57,750+31.7%
2022$182,250$00.0%
2021$182,250+$200.0%
2020$182,230——
6-year total+$87,770+48.2%