Cook County Value

459 Laporte Ave Northlake, IL 60164

3 bed / 1 bath, 1,387 sqft, built 1956, in Leyden. Assessor market value for 2026: $260,000.

Cook County account 12321070030000

Assessor market value
$260,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,387 sqft
$187 per sqft
Year built
1956
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 60164 and Leyden assessment pages.

Local guide: Leyden Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Leyden, appeals to the Assessor closed . Board of Review dates for Leyden 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 $260,000 in 2025 to $260,000 in 2026.
  • Assessor market value per square footThe current public record shows about $187 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Leyden neighborhood and ZIP 60164.
  • Neighborhood value signalAmong 4,819 residential records in the same neighborhood, the average assessor market value is about $208 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.9% on average.

Comparable assessments

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

  • 459 N Prater Ave Hse Northlake, IL 60164
    1,390 sqft | $187/sqft | built 1954 | Similar size (1,390 vs 1,387 sqft); Similar age (1954 vs 1956); Similar lot size (7,500 vs 7,500 sqft)
    $260,310
  • 117 Franklin Dr Northlake, IL 60164
    1,385 sqft | $188/sqft | built 1953 | Similar size (1,385 vs 1,387 sqft); Similar age (1953 vs 1956); Similar lot size (7,500 vs 7,500 sqft)
    $260,000
  • 129 N Marilyn Ave Northlake, IL 60164
    1,382 sqft | $188/sqft | built 1953 | Similar size (1,382 vs 1,387 sqft); Similar age (1953 vs 1956); Similar lot size (7,500 vs 7,500 sqft)
    $260,000
  • 312 Whitehall Dr Northlake, IL 60164
    1,393 sqft | $194/sqft | built 1955 | Similar size (1,393 vs 1,387 sqft); Similar age (1955 vs 1956); Similar lot size (7,625 vs 7,500 sqft)
    $270,000
  • 30 West Dr Hse Northlake, IL 60164
    1,391 sqft | $187/sqft | built 1956 | Similar size (1,391 vs 1,387 sqft); Built same year (1956); Similar lot size (7,750 vs 7,500 sqft)
    $260,010

Recent comparable sales

Sales selected by similarity to the subject property.

Public appraisal comparison for 2026. 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 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$260,000$00.0%
2025$260,000+$40,000+18.2%
2024$220,000$00.0%
2023$220,000$00.0%
2022$220,000+$57,000+35.0%
2021$163,000+$100.0%
2020$162,990——
6-year total+$97,010+59.5%