Cook County Value

4649 W 128th St, Alsip, IL 60803

3 bed / 1 bath, 1,135 sqft, built 1947, in Worth. Assessor market value for 2026: $230,000.

Cook County account 24341050110000

Assessor market value
$230,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,135 sqft
$203 per sqft
Year built
1947
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 60803, Worth, and Oak Lawn assessment pages.

Local guide: Worth Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Worth, appeals to the Assessor closed . Board of Review dates for Worth have not been published yet.

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 21.1% from $190,000 in 2025 to $230,000 in 2026.
  • Assessor market value per square footThe current public record shows about $203 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Worth neighborhood and ZIP 60803.
  • Neighborhood value signalAmong 1,690 residential records in the same neighborhood, the average assessor market value is about $207 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +26.1% on average.

Comparable assessments

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

  • 4720 W 128th Pl, Alsip, IL 60803
    1,149 sqft | $183/sqft | built 1948 | Similar size (1,149 vs 1,135 sqft); Similar age (1948 vs 1947); Similar lot size (15,225 vs 15,000 sqft)
    $210,000
  • 4119 W 119th St, Alsip, IL 60803
    1,143 sqft | $201/sqft | built 1947 | Similar size (1,143 vs 1,135 sqft); Built same year (1947); Lot 17% smaller (12,500 vs 15,000 sqft)
    $230,000
  • 12751 S Spencer St, Alsip, IL 60803
    1,128 sqft | $204/sqft | built 1948 | Similar size (1,128 vs 1,135 sqft); Similar age (1948 vs 1947); Same quality (Average)
    $230,000
  • 4410 W 123rd Pl, Alsip, IL 60803
    1,137 sqft | $237/sqft | built 1962 | Similar size (1,137 vs 1,135 sqft); Similar lot size (16,307 vs 15,000 sqft); Same quality (Average)
    $270,000
  • 11930 S Springfield Ave, Alsip, IL 60803
    1,140 sqft | $211/sqft | built 1953 | Similar size (1,140 vs 1,135 sqft); Lot 18% smaller (12,267 vs 15,000 sqft); Same quality (Average)
    $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 21.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$230,000+$40,000+21.1%
2025$190,000$00.0%
2024$190,000$00.0%
2023$190,000+$37,300+24.4%
2022$152,700$00.0%
2021$152,700+$8,490+5.9%
2020$144,210——
6-year total+$85,790+59.5%