Cook County Value

3075 S Lock St, Chicago, IL 60608

6 bed / 3 bath, 3,316 sqft, built 1909, in South Chicago. Assessor market value for 2025: $470,010.

Cook County account 17293230350000

Assessor market value
$470,010
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,316 sqft
$142 per sqft
Year built
1909
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 60608 and South Chicago assessment pages.

Appeal deadlines

South Chicago 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 $470,010 in 2024 to $470,010 in 2025.
  • Assessor market value per square footThe current public record shows about $142 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the South Chicago neighborhood and ZIP 60608.
  • Neighborhood value signalAmong 2,658 residential records in the same neighborhood, the average assessor market value is about $255 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.

  • 833 W 34th St, Chicago, IL 60608
    3,317 sqft | $148/sqft | built 1901 | Similar size (3,317 vs 3,316 sqft); Lot 16% smaller (3,650 vs 4,350 sqft); Same quality (Average)
    $490,010
  • 817 W 34th Pl, Chicago, IL 60608
    3,370 sqft | $160/sqft | built 1920 | Similar size (3,370 vs 3,316 sqft); Lot 13% smaller (3,767 vs 4,350 sqft); Same quality (Average)
    $540,000
  • 817 W 33rd St, Chicago, IL 60608
    3,236 sqft | $164/sqft | built 1918 | Similar size (3,236 vs 3,316 sqft); Lot 13% smaller (3,775 vs 4,350 sqft); Same quality (Average)
    $530,000
  • 930 W 35th Pl, Chicago, IL 60609
    3,416 sqft | $152/sqft | built 1910 | Similar size (3,416 vs 3,316 sqft); Similar age (1910 vs 1909); Lot 16% smaller (3,675 vs 4,350 sqft)
    $519,070
  • 840 W 33rd Pl 1, Chicago, IL 60608
    3,498 sqft | $149/sqft | built 1908 | 6% larger (3,498 vs 3,316 sqft); Similar age (1908 vs 1909); Lot 16% smaller (3,650 vs 4,350 sqft)
    $520,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2025. 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

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$470,010$00.0%
2024$470,010+$70,010+17.5%
2023$400,000$00.0%
2022$400,000$00.0%
2021$400,000+$91,150+29.5%
2020$308,850——
5-year total+$161,160+52.2%