Grundy St, Mazon, IL Property Records

Grundy County property records for 8 addresses on Grundy St, Mazon, IL · Last verified July 2026

Grundy St Highlights

Properties 8
Median Sale Price $154,500
Deeds and Mortgages on File 7
Median Price per Sqft $87
Owner Occupied 100%
Median Annual Tax Bill $7,183
Median Year Built 1972
Median Ownership Tenure 13 years

Properties on Grundy St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

500 Grundy St

1,256 sqft · Built 1966 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$154,500Sep 2005 $6,3602025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

502 Grundy St

1,869 sqft · Built 1970 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$163,000Dec 2003 $8,2922025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

504 Grundy St

1,200 sqft · Built 1972 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Aug 2018 $5,5362025 —Jul 2016 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

506 Grundy St

1,812 sqft · Built 1973 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$127,000Jun 2002 $7,2792025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

507 Grundy St

0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Nov 2019 $8,5452025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

508 Grundy St

3 bd · 1,144 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$130,000May 2013 $6,7052025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

509 Grundy St

1,336 sqft · Built 1976 · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$89,700Dec 2022 $6,9392025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

510 Grundy St

1,431 sqft · Built 1972 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$196,500May 2006 $7,1832025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

Wildfire Risk on Grundy St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank at the 2nd percentile of exposed land nationally · 14th in Illinois
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
2 of 2 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets