Cook County Value

18843 William St, Lansing, IL 60438

3 bed / 1 bath, 1,185 sqft, built 1969, in Bloom. Assessor market value for 2025: $191,610.

Cook County account 33051170070000

Assessor market value
$191,610
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,185 sqft
$162 per sqft
Year built
1969
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 60438 and Bloom assessment pages.

Appeal deadlines

Bloom 2026 appeal dates 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 stayed about the same, from $191,610 in 2024 to $191,610 in 2025.
  • Assessor market value per square footThe current public record shows about $162 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Bloom neighborhood and ZIP 60438.
  • Neighborhood value signalAmong 240 residential records in the same neighborhood, the average assessor market value is about $142 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 2849 Forest Ln, Lansing, IL 60438
    1,155 sqft | $158/sqft | built 1967 | Similar size (1,155 vs 1,185 sqft); Similar age (1967 vs 1969); Lot 11% smaller (10,880 vs 12,272 sqft)
    $182,810
  • 18829 Greenbay Ave, Lansing, IL 60438
    1,212 sqft | $128/sqft | built 1962 | Similar size (1,212 vs 1,185 sqft); Lot 11% larger (13,663 vs 12,272 sqft); Same quality (Average)
    $154,900
  • 3252 N Manor Dr, Lansing, IL 60438
    1,292 sqft | $156/sqft | built 1963 | 9% larger (1,292 vs 1,185 sqft); Similar lot size (12,040 vs 12,272 sqft); Same quality (Average)
    $202,060
  • 18859 Greenbay Ave, Lansing, IL 60438
    1,184 sqft | $138/sqft | built 1962 | Similar size (1,184 vs 1,185 sqft); Lot 16% smaller (10,360 vs 12,272 sqft); Same quality (Average)
    $163,700
  • 2924 188th Pl, Lansing, IL 60438
    1,073 sqft | $171/sqft | built 1963 | 10% smaller (1,073 vs 1,185 sqft); Similar lot size (11,952 vs 12,272 sqft); Same quality (Average)
    $183,040

Recent comparable sales

Sales selected by similarity to the subject property.

Public appraisal comparison for 2025. 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

No change in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$191,610$00.0%
2024$191,610−$10,500−5.2%
2023$202,110+$72,550+56.0%
2022$129,560−$10,270−7.3%
2021$139,830$00.0%
2020$139,830——
5-year total+$51,780+37.0%