Unique opportunity to own this full brick former church offering over 5,000 square feet of finished space and endless potential. This impressive property features soaring vaulted ceilings, stunning stained glass windows, and beautiful hardwood floors that create a warm and inviting atmosphere. The fully finished basement includes a kitchen and restroom, providing additional flexible space for a variety of uses. Currently zoned single-family residential, this property presents numerous possibilities including conversion to a spacious single-family home, multi-unit apartments, community center, event space, or other creative uses (subject to local approvals). Solid brick construction, character-filled architectural details, and expansive interior space make this a rare find with incredible potential. Bring your vision and transform this one-of-a-kind property into something truly special. LOW PROPERTY TAXES!
Closed
$118,000
509 7th St, Mazon, IL 60444
1beds
2,666sqft
Single Family Residence
Built in 1925
0.33 Acres Lot
$120,500 Zestimate®
$44/sqft
$1,213 Estimated rent
Home value
$120,500
$102,000 - $142,000
$1,213/mo
Zestimate® history
Owner options
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$698/mo
Est. payment
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Est. payment
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List your homeWhat's special
Fully finished basementSolid brick constructionCharacter-filled architectural detailsWarm and inviting atmosphereExpansive interior spaceSoaring vaulted ceilingsBeautiful hardwood floors
Zillow last checked:
Listing updated:
Listed by:
David Welter 815-791-1672,
RE/MAX Top Properties
Bought with:
Christy Schmaedeke
Keller Williams Infinity
Source: MRED as distributed by MLS GRID,MLS#: 12604729
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 1
- Bathrooms: 1
- 1/2 bathrooms: 1
Rooms
- Room types: No additional rooms
Primary bedroom
- Level: Main
- Area: 300 Square Feet
- Dimensions: 15X20
Kitchen
- Level: Basement
- Area: 400 Square Feet
- Dimensions: 20X20
Heating
- Natural Gas, Electric
Cooling
- Central Air
Features
- Basement: Finished,Full
Interior area
- Total structure area: 0
- Total interior livable area: 2,666 sqft
Property
Parking
- Total spaces: 4
- Parking features: Asphalt, Off Street, Yes, Owned
Accessibility
- Accessibility features: No Disability Access
Features
- Stories: 1
Lot
- Size: 0.33 Acres
- Dimensions: 100x143x100x143
Details
- Parcel number: 0821207011
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Brick
Condition
- New construction: No
- Year built: 1925
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
HOA
- Services included: None
Location
- Region: Mazon
Financial & listing details
- Price per square foot: $44/sqft
- Tax assessed value: $21,816
- Annual tax amount: $318
- Date on market: 3/30/2026
- Listing terms: Cash
- Ownership: Fee Simple
Price history
| Date | Event | Price |
|---|---|---|
| 4/29/2026 | Sold | $118,000-21.3%$44/sqft |
Source:  MRED as distributed by MLS GRID #12604729 Report a problem | ||
| 4/9/2026 | Contingent | $150,000$56/sqft |
Source: MRED as distributed by MLS GRID #12604729 Report a problem | ||
| 3/30/2026 | Listed for sale | $150,000$56/sqft |
Source: MRED as distributed by MLS GRID #12604729 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | $638 +7.6% | $7,272 +8.9% |
| 2023 | $593 +9.8% | $6,679 +12.7% |
| 2022 | $540 +3.7% | $5,926 +4.8% |
| 2021 | $521 +2.9% | $5,657 +3.2% |
| 2020 | $506 | $5,481 +5.7% |
| 2019 | -- | $5,185 +4.3% |
| 2018 | $453 | $4,969 +1.3% |
| 2017 | $453 +1.8% | $4,904 +45.1% |
| 2016 | $444 +190.2% | $3,380 -90.1% |
| 2015 | $153 -94.7% | $33,977 +1.1% |
| 2014 | $2,910 | $33,621 -3.5% |
| 2013 | $2,910 | $34,840 -2.7% |
| 2012 | -- | $35,790 -11.4% |
| 2009 | $3,210 | $40,400 |
Find assessor info on the county website
Neighborhood: 60444
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Nearby schools
GreatSchools rating
- 7/10Mazon-Verona-Kinsman Elementary SchoolGrades: PK-4Distance: 0.1 mi
- 4/10Mazon-Verona-Kinsman Middle SchoolGrades: 5-8Distance: 0.1 mi
- 9/10Seneca High SchoolGrades: 9-12Distance: 10.6 mi
Schools provided by the listing agent
- High: Seneca Township High School
- District: 2C
Source: MRED as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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- Illinois
- Grundy County
- Mazon
- 60444
- 509 7th St
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