Cook County Value

12901 S Union Ave, Chicago, IL 60628

3 bed / 1 bath, 1,080 sqft, built 1949, in Lake Assessor market value for 2025: $120,000.

Cook County account 25331120620000

Assessor market value
$120,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,080 sqft
$111 per sqft
Year built
1949
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 60628 and Lake assessment pages.

Appeal deadlines

For Lake, appeals to the Assessor are open through (10 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 stayed about the same, from $120,000 in 2024 to $120,000 in 2025.
  • Assessor market value per square footThe current public record shows about $111 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lake neighborhood and ZIP 60628.
  • Neighborhood value signalAmong 1,807 residential records in the same neighborhood, the average assessor market value is about $105 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 12857 S Lowe Ave, Chicago, IL 60628
    1,080 sqft | $111/sqft | built 1947 | Similar size (1,080 vs 1,080 sqft); Similar age (1947 vs 1949); Similar lot size (4,920 vs 4,920 sqft)
    $120,000
  • 12903 S Lowe Ave, Chicago, IL 60628
    1,080 sqft | $120/sqft | built 1947 | Similar size (1,080 vs 1,080 sqft); Similar age (1947 vs 1949); Similar lot size (4,920 vs 4,920 sqft)
    $130,000
  • 12861 S Lowe Ave, Chicago, IL 60628
    1,080 sqft | $161/sqft | built 1952 | Similar size (1,080 vs 1,080 sqft); Similar age (1952 vs 1949); Similar lot size (4,920 vs 4,920 sqft)
    $174,000
  • 50 W Brayton St, Chicago, IL 60628
    1,087 sqft | $129/sqft | built 1952 | Similar size (1,087 vs 1,080 sqft); Similar age (1952 vs 1949); Similar lot size (4,928 vs 4,920 sqft)
    $140,000
  • 1 W 125th Pl, Chicago, IL 60628
    1,087 sqft | $110/sqft | built 1950 | Similar size (1,087 vs 1,080 sqft); Similar age (1950 vs 1949); Similar lot size (5,098 vs 4,920 sqft)
    $120,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 12857 S Lowe Ave, Chicago, IL 60628
    1,080 sqft | $167/sqft | built 1947 | Similar size (1,080 sqft); Similar age (1947); Same beds (3)
    $180,000
  • 12600 S Stewart Ave, Chicago, IL 60628
    1,069 sqft | $159/sqft | built 1954 | Similar size (1,069 sqft); Moderate age difference (5 years newer); Within 1 bedroom (2 vs 3)
    $170,000
  • 12817 S Lowe Ave, Chicago, IL 60628
    1,194 sqft | $59/sqft | built 1947 | 11% size difference (1,194 sqft); Similar age (1947); Same beds (3)
    $70,000
  • 9515 S Indiana Ave, Chicago, IL 60628
    1,032 sqft | $227/sqft | built 1956 | Similar size (1,032 sqft); Moderate age difference (7 years newer); Same beds (3)
    $234,000
  • 12500 S Lowe Ave, Chicago, IL 60628
    1,228 sqft | $94/sqft | built 1948 | 14% size difference (1,228 sqft); Similar age (1948); Within 1 bedroom (2 vs 3)
    $116,000

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$120,000$00.0%
2024$120,000+$50,000+71.4%
2023$70,000$00.0%
2022$70,000$00.0%
2021$70,000+$1,400+2.0%
2020$68,600——
5-year total+$51,400+74.9%