1312 Prospect St Willow Springs, IL 60480

3 bed / 1 bath, 1,336 sqft, built 1954. Assessor market value for 2026: $320,010.

Cook County account 18333240150000

Assessor market value

$320,010

Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it

Living area

1,336 sqft

$240 per sqft

Year built

1954

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 60480 and CCAO Appraisal Area 21162 assessment pages.

Local guide: Lyons Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lyons, appeals to the Assessor closed September 3, 2026. Board of Review dates for Lyons 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 September 27, 2026 against the official source.

Assessment snapshot

These public CCAO records highlight what may be worth checking before you file.

Assessment changeThe assessor market value increased 18.5% from $270,010 in 2025 to $320,010 in 2026.
Assessor market value per square footThe current public record shows about $240 per square foot before any comparable-property adjustments.
Nearby comparison areaThis page starts the equity review with public records for ZIP 60480.
Neighborhood value signalAmong 889 residential records in the same neighborhood, the average assessor market value is about $209 per square foot.
Area year-over-year signalNearby residential records with prior-year values moved about +30.6% on average.

Comparable assessments

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

715 Vinewood St Willow Springs, IL 60480
1,382 sqft | $217/sqft | built 1951 | Similar size (1,382 vs 1,336 sqft); Similar age (1951 vs 1954); Similar lot size (19,600 vs 19,900 sqft)
$300,010
418 N Rust Trl Willow Springs, IL 60480
1,282 sqft | $250/sqft | built 1953 | Similar size (1,282 vs 1,336 sqft); Similar age (1953 vs 1954); Similar lot size (20,416 vs 19,900 sqft)
$320,000
810 Vinewood St Willow Springs, IL 60480
1,288 sqft | $256/sqft | built 1951 | Similar size (1,288 vs 1,336 sqft); Similar age (1951 vs 1954); Lot 15% smaller (17,000 vs 19,900 sqft)
$330,000
201 Beech St Willow Springs, IL 60480
1,290 sqft | $256/sqft | built 1954 | Similar size (1,290 vs 1,336 sqft); Built same year (1954); Lot 18% smaller (16,300 vs 19,900 sqft)
$330,010
8230 Archer Rd Willow Springs, IL 60480
1,403 sqft | $249/sqft | built 1953 | 5% larger (1,403 vs 1,336 sqft); Similar age (1953 vs 1954); Lot 12% smaller (17,500 vs 19,900 sqft)
$350,010

Recent comparable sales

Sales selected by similarity to the subject property.

11309 German Church Rd Willow Springs, IL 60480
1,444 sqft | $247/sqft | built 1966 | 8% size difference (1,444 sqft); Same beds (3)
$357,000
8406 Crescent Ct Willow Springs, IL 60480
1,227 sqft | $273/sqft | built 1961 | 8% size difference (1,227 sqft); Moderate age difference (7 years newer); Within 1 bedroom (2 vs 3)
$335,000

Public appraisal comparison for 2026. Prepared October 14, 2026. Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: October 13, 2026. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 18.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax year	Assessor market value	Change	Change %
2026	$320,010	+$50,000	+18.5%
2025	$270,010	$0	0.0%
2024	$270,010	$0	0.0%
2023	$270,010	+$102,470	+61.2%
2022	$167,540	$0	0.0%
2021	$167,540	+$10	0.0%
2020	$167,530	—	—
6-year total		+$152,480	+91.0%