512 Mercer Court — photo 1
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Active69 days on market

$400,000

512 Mercer Court, O'Fallon, IL 62269

Clarys Grove 3rd Add

5

Bedrooms

4

Bathrooms

3,300

Square Feet

2002

Year Built

Single Family

Type

3-car garage 0.23 acres HOA $50/annually

About This Property

Welcome home to this spacious and well-maintained 5-bedroom, 4-bath residence located in a desirable subdivision within the highly sought-after O’Fallon School District. This home offers a flexible floor plan with generous living spaces perfect for everyday living and entertaining. The bright and inviting living room features warm flooring and a cozy fireplace, while neutral finishes throughout provide a move-in-ready feel. Brand new carpet and paint throughout! Enjoy outdoor living on the covered deck overlooking the backyard—ideal for relaxing or hosting gatherings. A newer roof (just 2 years old) adds peace of mind and value. With ample bedroom and bathroom space, this home easily accommodates growing households, guests, or work-from-home needs. Conveniently located near schools, parks, shopping, and dining, this property combines comfort, functionality, and location. Don’t miss the opportunity to make this beautiful home yours!

Appliances & Systems

Heating

  • Natural Gas

Cooling

  • Central Air

Schools

Elementary

OFALLON DIST 90

Middle School

OFALLON DIST 90

High School

OFallon

Property Details

List Price

$400,000

Price/sqft

$121

HOA

$50/annually

Annual Taxes

MLS Number

26033659

County

St. Clair

Lot Size

0.23 acres

Parking

Construction

Brick, Vinyl Siding

Roof

Sewer

Public Sewer

Listing Terms

Cash, Conventional, FHA, VA Loan

Mortgage Calculator

Estimate only. Contact a lender for exact figures.

Est. Monthly Payment

$2,129

Principal & interest only

20% ($80,000)
3%50%
7.0%
3%12%
Loan Amount$320,000
Total Interest$446,440
Total Cost$766,440

Get pre-approved → contact us at (314) 757-1522

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Whittier Realty Group · (314) 757-1522

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Whittier Realty Group · (314) 757-1522

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Listed By

Julie Heltne

Re/Max Signature Properties

(618) 726-2123

Interested in touring? Contact your agent:

Whittier Realty (314) 757-1522

Listing courtesy of Re/Max Signature Properties. All information deemed reliable but not guaranteed. MLS# 26033659. © 2026 Whittier Realty Group LLC. Equal Housing Opportunity.