Cook County Value

800 S 20th Ave Maywood, IL 60153

3 bed / 1 bath, 1,140 sqft, built 1925, in Proviso. Assessor market value for 2026: $240,010.

Cook County account 15103280160000

Assessor market value
$240,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,140 sqft
$211 per sqft
Year built
1925
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 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 27.1% from $188,820 in 2025 to $240,010 in 2026.
  • Assessor market value per square footThe current public record shows about $211 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 2,888 residential records in the same neighborhood, the average assessor market value is about $167 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +14.5% on average.

Comparable assessments

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

  • 239 S 20th Ave Maywood, IL 60153
    1,150 sqft | $217/sqft | built 1925 | Similar size (1,150 vs 1,140 sqft); Built same year (1925); Similar lot size (4,687 vs 4,730 sqft)
    $250,000
  • 429 S 16th Ave Maywood, IL 60153
    1,130 sqft | $212/sqft | built 1923 | Similar size (1,130 vs 1,140 sqft); Similar age (1923 vs 1925); Similar lot size (4,725 vs 4,730 sqft)
    $240,000
  • 225 S 21st Ave Maywood, IL 60153
    1,144 sqft | $210/sqft | built 1922 | Similar size (1,144 vs 1,140 sqft); Similar age (1922 vs 1925); Similar lot size (4,687 vs 4,730 sqft)
    $240,000
  • 127 S 16th Ave Maywood, IL 60153
    1,128 sqft | $213/sqft | built 1921 | Similar size (1,128 vs 1,140 sqft); Similar age (1921 vs 1925); Similar lot size (4,725 vs 4,730 sqft)
    $240,000
  • 234 S 21st Ave Maywood, IL 60153
    1,150 sqft | $209/sqft | built 1923 | Similar size (1,150 vs 1,140 sqft); Similar age (1923 vs 1925); Similar lot size (4,612 vs 4,730 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 27.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$240,010+$51,190+27.1%
2025$188,820−$21,190−10.1%
2024$210,010$00.0%
2023$210,010+$80,270+61.9%
2022$129,740$00.0%
2021$129,740−$18,980−12.8%
2020$148,720——
6-year total+$91,290+61.4%