Cook County Value

605 N Monticello Ave, Chicago, IL 60624

4 bed / 2 bath, 1,972 sqft, built 1921, in West Chicago Assessor market value for 2026: $225,020.

Cook County account 16111170210000

Assessor market value
$225,020
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,972 sqft
$114 per sqft
Year built
1921
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 60624 and West Chicago assessment pages.

Local guide: West Chicago Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For West Chicago, appeals to the Assessor closed . Board of Review dates for West Chicago 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 decreased 9.8% from $249,480 in 2025 to $225,020 in 2026.
  • Assessor market value per square footThe current public record shows about $114 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the West Chicago neighborhood and ZIP 60624.
  • Neighborhood value signalAmong 1,500 residential records in the same neighborhood, the average assessor market value is about $119 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.

  • 432 N Ridgeway Ave, Chicago, IL 60624
    2,054 sqft | $112/sqft | built 1919 | Similar size (2,054 vs 1,972 sqft); Similar age (1919 vs 1921); Similar lot size (3,327 vs 3,224 sqft)
    $230,000
  • 731 N Drake Ave, Chicago, IL 60624
    1,970 sqft | $122/sqft | built 1912 | Similar size (1,970 vs 1,972 sqft); Similar lot size (3,125 vs 3,224 sqft); Same quality (Average)
    $240,000
  • 546 N Avers Ave, Chicago, IL 60624
    2,086 sqft | $110/sqft | built 1921 | 6% larger (2,086 vs 1,972 sqft); Built same year (1921); Similar lot size (3,125 vs 3,224 sqft)
    $230,000
  • 4713 W Huron St, Chicago, IL 60644
    1,958 sqft | $119/sqft | built 1927 | Similar size (1,958 vs 1,972 sqft); Similar lot size (3,025 vs 3,224 sqft); Same quality (Average)
    $233,090
  • 604 N Monticello Ave, Chicago, IL 60624
    1,934 sqft | $119/sqft | built 1911 | Similar size (1,934 vs 1,972 sqft); Similar lot size (3,187 vs 3,224 sqft); Same quality (Average)
    $230,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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

Down 9.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$225,020−$24,460−9.8%
2025$249,480−$60,520−19.5%
2024$310,000+$120,020+63.2%
2023$189,980$00.0%
2022$189,980+$76,040+66.7%
2021$113,940+$15,530+15.8%
2020$98,410——
6-year total+$126,610+128.7%