503 S Austin Street, Seguin, TX 78155

• 5 beds |
• 4 baths |
• 4,003 sqft

Property Description

Rare George Willis Estate: Historic Charm & Modern Utility, protege to Frank Lloyd Wright on .26 acres in the heart of downtown Seguin. There is unique architectural character with modern flair, ideal for residential use, short-term rental, boutique lodging, or mixed-use business (buyer to verify permitted use, as it is zoned Neighborhood Commercial). Each floor offers at least 2000 sq ft, preserved hardwood floors, restored stucco walls, and custom Shou Sugi Ban built in shelving & bathroom vanities with porcelain sinks, with renovations, including full electrical, plumbing, and HVAC upgrades, high efficiency windows with remote-controlled blackout shades. 1st Floor is renovated with a Chef-style modern kitchen that was fully rebuilt with new cabinetry, concrete countertops, stainless steel appliances, and a microwave drawer, which features the Original 1920s glass block that was preserved in both kitchens, alongside the kitchen is a full bathroom and dining area with several windows overlooking a landscaped private yard. Downstairs has an inviting primary suite with a full bath featuring a soaking tub, concrete & tile shower. Relax in the living space embraces a restored fireplace and oversized picture windows. Additional spaces include a Portico converted to office space with split-unit HVAC, a large Basement, a library with bay windows, a transition room with built-in storage, and an infrared dry sauna. 2nd Floor living space thoughtfully rebuilt offering modern comfort (Private entrance is available). Includes 4 bedrooms, central gathering room, and kitchen. Two full bathrooms with soaking tub, walk-in showers, custom cabinets. Original doors restored with glass knobs and hardware; Schlage locking system. Additional improvements include a standing seam metal roof, new gutters and soffits, Shou Sugi Ban Private fencing, a Restored 1800s garage w/remote doors, Landscaping, Rachio smart watering irrigation system(front area).

Listing Status:

Active

Date Added:

January 27, 2026

Data Last Updated:

February 16, 2026 at 5:19PM

Listing Office:

South Texas Realty, LLC : (830) 393-0000

Listing Agent:

Cara Deharde : (830) 305-1094

MLS ID:

602911

Interior

• General: BookcasesBuilt-in FeaturesCeiling Fan(s)High CeilingsHome OfficeSplit BedroomsSeparate ShowerTub ShowerVanityWindow TreatmentsBreakfast BarCustom CabinetsKitchen IslandKitchen/Dining ComboPantrySolid Surface Counters
• Appliances: DishwasherElectric RangeMultiple Water HeatersMicrowavePlumbed For Ice MakerRange HoodRange
• Laundry: Washer HookupElectric Dryer HookupInsideLaundry Room
• Basement: Finished
• Flooring: TileWood
• A/C: Electric2 Units
• Heating: ElectricMultiple Heating Units
• Fireplace: Living RoomWood BurningFireplaceFireplaces: 1

Exterior

• General: BalconyCovered PatioPorch
• Style: Historic/Antique
• Other Structures: PorchBalconyPatioCovered
• Pool: None

Construction

• Roofing: Metal
• Windows: Double Pane WindowsWindow Treatments
• General: MasonryMulti/SplitBasementSlab

Location

• Road/Access: City Street
• Originating MLS: CTEXAS_FRAR
• School District: Seguin ISD
• County: Guadalupe

Lot

• Zoning: LOT: 1 2; N 20' OF 78 BLK: 135 ADDN: INNER27867
• View: None
• Fencing: Privacy

Utilities

• Utilities: Electricity AvailableHigh Speed Internet AvailableTrash Collection Public
• Water: Public

Financial

• Source: CTEXAS_FRAR