Cook County Value

3530 N Octavia Ave, Chicago, IL 60634

4 bed / 3 bath, 1,828 sqft, built 1929, in Jefferson. Assessor market value for 2025: $386,170.

Cook County account 12244050250000

Possibly too high

about $12,000

8 similar homes nearby point to a value about $12,000 lower than yours.

Assessor market value$386,170
Similar homes$373,734
$12,436 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$386,170
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,828 sqft
$211 per sqft
Year built
1929
Average quality

Why we think so

Similar homes' assessments

Moderate

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $204.45/sqft, which supports a value of $373,734.

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 60634 and Jefferson assessment pages.

Appeal deadlines

Jefferson 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 $386,170 in 2024 to $386,170 in 2025.
  • Assessor market value per square footThe current public record shows about $211 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Jefferson neighborhood and ZIP 60634.
  • Neighborhood value signalAmong 5,865 residential records in the same neighborhood, the average assessor market value is about $251 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.

  • 7457 W Addison St, Chicago, IL 60634
    1,828 sqft | $204/sqft | built 1926 | Similar size (1,828 vs 1,828 sqft); Similar age (1926 vs 1929); Similar lot size (3,750 vs 3,750 sqft)
    $373,730
  • 3742 N Oleander Ave, Chicago, IL 60634
    1,805 sqft | $209/sqft | built 1924 | Similar size (1,805 vs 1,828 sqft); Similar age (1924 vs 1929); Similar lot size (3,720 vs 3,750 sqft)
    $377,290
  • 3246 N Ozanam Ave, Chicago, IL 60634
    1,866 sqft | $198/sqft | built 1928 | Similar size (1,866 vs 1,828 sqft); Similar age (1928 vs 1929); Similar lot size (3,750 vs 3,750 sqft)
    $370,000
  • 3827 N Panama Ave, Chicago, IL 60634
    1,876 sqft | $251/sqft | built 1928 | Similar size (1,876 vs 1,828 sqft); Similar age (1928 vs 1929); Similar lot size (3,720 vs 3,750 sqft)
    $470,000
  • 3947 N Oleander Ave, Chicago, IL 60634
    1,880 sqft | $197/sqft | built 1929 | Similar size (1,880 vs 1,828 sqft); Built same year (1929); Similar lot size (3,690 vs 3,750 sqft)
    $370,000

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

Down 8.1% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$386,170−$33,830−8.1%
2024$420,000+$117,050+38.6%
2023$302,950−$38,130−11.2%
2022$341,080$00.0%
2021$341,080+$101,320+42.3%
2020$239,760——
5-year total+$146,410+61.1%