Cook County Value

1246 S 21st Ave Maywood, IL 60153

5 bed / 3 bath, 1,599 sqft, built 1927, in Proviso. Assessor market value for 2026: $270,000.

Cook County account 15151080260000

Likely too high

about $57,000

8 similar homes nearby point to a value about $57,000 lower than yours.

Assessor market value$270,000
Similar homes$213,082
$56,918 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$270,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,599 sqft
$169 per sqft
Year built
1927
Average quality

Why we think so

Similar homes' assessments

Strong

8 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $132.37/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $35,460. Counting your land in place of theirs where theirs is less, they support a value of $213,082.

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 60153 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 22.7% from $220,000 in 2025 to $270,000 in 2026.
  • Assessor market value per square footThe current public record shows about $169 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 60153.
  • Neighborhood value signalAmong 1,768 residential records in the same neighborhood, the average assessor market value is about $165 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.5% on average.

Comparable assessments

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

  • 3823 Van Buren St Bellwood, IL 60104
    1,599 sqft | $131/sqft | built 1927 | Similar size (1,599 vs 1,599 sqft); Built same year (1927); Similar lot size (4,410 vs 4,432 sqft)
    $210,000
  • 3907 Van Buren St Bellwood, IL 60104
    1,579 sqft | $139/sqft | built 1927 | Similar size (1,579 vs 1,599 sqft); Built same year (1927); Similar lot size (4,410 vs 4,432 sqft)
    $220,000
  • 3917 Van Buren St Bellwood, IL 60104
    1,674 sqft | $149/sqft | built 1927 | Similar size (1,674 vs 1,599 sqft); Built same year (1927); Similar lot size (4,410 vs 4,432 sqft)
    $250,000
  • 1035 S 23rd Ave Bellwood, IL 60104
    1,662 sqft | $132/sqft | built 1928 | Similar size (1,662 vs 1,599 sqft); Similar age (1928 vs 1927); Similar lot size (4,422 vs 4,432 sqft)
    $220,000
  • 4000 Van Buren St Bellwood, IL 60104
    1,656 sqft | $133/sqft | built 1927 | Similar size (1,656 vs 1,599 sqft); Built same year (1927); Similar lot size (4,410 vs 4,432 sqft)
    $220,000

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 22.7% 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+$50,000+22.7%
2025$220,000$00.0%
2024$220,000$00.0%
2023$220,000+$37,250+20.4%
2022$182,750$00.0%
2021$182,750+$200.0%
2020$182,730——
6-year total+$87,270+47.8%