1166 Saint Theresa Ln, O'Fallon, MO 63368

3/29 Open House Canceled. Nestled on 1.5 acres in the heart of Dardenne Prairie, this charming 1-story ranch offers privacy and tranquility with mature trees surrounding the property. The full masonry veneer exterior exudes timeless appeal, while the extended driveway provides ample parking. A serene koi pond, home to 40+ year-old koi, enhances the peaceful ambiance. Inside, the family room features a cozy wood burning fireplace, perfect for chilly evenings. The kitchen boasts granite countertops, updated cabinetry, and stainless steel appliances. The primary bath has been tastefully updated for modern comfort. Step outside to a covered back patio, ideal for relaxation or entertaining. A full, unfinished walk-out basement with a full bath and a newer water heater offers endless possibilities for customization. An outbuilding adds extra storage or workspace. This rare gem combines rural charm with prime location convenience—don’t miss this incredible opportunity! Move-in ready with fresh Sherwin-Williams “White Dove” walls and clean white ceilings, new switches, outlets, plates, a new roof (June 2025), and updated landscaping 2025. Nearly 1,900 sq ft main level includes 3 beds, 2 baths, formal living room, and cozy family room with wood-burning fireplace. Primary suite features two closets and an updated en-suite bath. Picture windows flood the home with light and stunning property views. Hardwood floors lie beneath carpet in bedrooms and hallway, ready to restore. The walk-out basement with full bath is ready for finishing to your liking—media room, gym, guest suite, or more—offering massive equity potential. Tucked on a quiet dead-end street, this home is perfect for comfortable living now—and luxury upgrades ahead.