Cook County Value

4823 W 123rd St, Alsip, IL 60803

4 bed / 3 bath, 2,092 sqft, built 1954, in Worth. Assessor market value for 2026: $370,000.

Cook County account 24284060030000

Assessor market value
$370,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,092 sqft
$177 per sqft
Year built
1954
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 49.4% from $247,590 in 2025 to $370,000 in 2026.
  • Assessor market value per square footThe current public record shows about $177 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

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

  • 4839 W 123rd Pl, Alsip, IL 60803
    2,076 sqft | $159/sqft | built 1958 | Similar size (2,076 vs 2,092 sqft); Similar age (1958 vs 1954); Similar lot size (13,230 vs 12,877 sqft)
    $330,010
  • 4835 W 123rd St, Alsip, IL 60803
    2,276 sqft | $149/sqft | built 1954 | 9% larger (2,276 vs 2,092 sqft); Built same year (1954); Similar lot size (12,911 vs 12,877 sqft)
    $340,000
  • 12756 S Loveland St, Alsip, IL 60803
    2,021 sqft | $143/sqft | built 1947 | Similar size (2,021 vs 2,092 sqft); Similar lot size (12,000 vs 12,877 sqft); Same quality (Average)
    $290,000
  • 4931 W 123rd St, Alsip, IL 60803
    1,914 sqft | $162/sqft | built 1956 | 8% smaller (1,914 vs 2,092 sqft); Similar age (1956 vs 1954); Similar lot size (12,225 vs 12,877 sqft)
    $310,000
  • 4936 W 123rd Pl, Alsip, IL 60803
    2,223 sqft | $148/sqft | built 1956 | 6% larger (2,223 vs 2,092 sqft); Similar age (1956 vs 1954); Similar lot size (12,225 vs 12,877 sqft)
    $330,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 4714 W 115th Pl, Alsip, IL 60803
    1,793 sqft | $112/sqft | built 1960 | 14% size difference (1,793 sqft); Moderate age difference (6 years newer); Same beds (4)
    $200,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 49.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$370,000+$122,410+49.4%
2025$247,590−$62,410−20.1%
2024$310,000$00.0%
2023$310,000+$93,360+43.1%
2022$216,640$00.0%
2021$216,640+$200.0%
2020$216,620——
6-year total+$153,380+70.8%