4400 County Road 123, Round Rock, TX 78664
Local realty services provided by:Better Homes and Gardens Real Estate Hometown
Listed by: robert fischer
Office: keller williams realty lone star
MLS#:3238865
Source:ACTRIS
4400 County Road 123,Round Rock, TX 78664
$725,000
- 4 Beds
- 2 Baths
- 2,025 sq. ft.
- Single family
- Active
Price summary
- Price:$725,000
- Price per sq. ft.:$358.02
About this home
Rare 1 acre property featuring a fully updated, taken-to-the-studs, ~$523K remodel on a 1 story home plus an exceptional 900 sqft insulated workshop which includes a 200 sqft office space. Properties offering this combination of land, full remodel quality, and a modern shop setup are extremely limited in this area. The ~$523K in upgrades completed deliver a turnkey, highly functional residence and workspace. The home includes approx. ~1,825 sq ft of added living area, Hardie siding, new plumbing with insulated Pex, fully replaced HVAC system with variable-speed AC and LP furnace, complete electrical upgrades including 200-amp service to both house and shop, new windows, new interior/exterior doors, new trim, and full flooring replacement (LVP/tile/carpet). Kitchen and baths feature custom cabinetry, new granite countertops, soft-close hardware, and full appliance replacements (KitchenAid double oven, microwave, dishwasher, 36” gas cooktop, GE exhaust vent). More improvements include new dimensional roof, blown-in attic insulation, LED lighting throughout, fireplace rebuild, full laundry/utility room addition, new 4th bedroom, privacy fencing, new driveway, sidewalks, + extensive landscape upgrades. The 30’x30’ workshop is a major highlight with insulated walls/roof (closed-cell spray foam), (2) 16’ electric lift insulated doors, 40” soaker sink with water heater, temperature-controlled exhaust system, separate 200-amp service, 30-amp generator plug, dedicated appliance circuits, interior/exterior 220V plugs, conditioned 20’x10’ office with storage, reclaimed-wood exterior accents, and LED interior/exterior lighting. A covered trailer/storage bay with gate access adds even more utility. All with a backyard paradise that backs into the creek. Ideal for owners needing land, shop space, functionality, and a fully modernized home—in a prime Round Rock location with quick access to toll roads & highways, Samsung, Dell, Amazon, Emerson, etc. **Ask for 3-page upgrade sheet...
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Home facts
- Year built:1978
- Subdivision & Development:Low Water Crossing On Brushy Creek
- Listing ID #:3238865
- Updated:August 12, 2026 at 10:28 PM
Rooms and interior
- Bedrooms:4
- Total bathrooms:2
- Full bathrooms:2
- Flooring:Carpet, Tile, Vinyl
- Kitchen Description:Dishwasher, Gas Cooktop, Microwave, Oven
- Living area:2,025 sq. ft.
Heating and cooling
- Cooling:Central
- Heating:Central
- Central air:Yes
Structure and exterior
- Roof:Composition
- Year built:1978
- Building area:2,025 sq. ft.
- Lot area:1 Acres
- Lot Features:Trees-Heavy, Trees-Large (Over 40 Ft)
- Construction Materials:Brick Veneer, Masonry Partial
- Foundation Description:Slab
Schools
- High school:Hutto
- Elementary school:Hutto
Utilities
- Water:Public
- Sewer:Septic Tank
Finances and disclosures
- Price:$725,000
- Price per sq. ft.:$358.02
- Tax amount:$6,860 (2025)
Features and amenities
- Appliances:Dishwasher, Gas Cooktop, Microwave, Oven
Parking
- Total parking spaces:6
- Parking description:Attached
- Garage:Yes
- Garage spaces:2
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