4400 County Road 123, Round Rock TX 78664
4400 County Road 123, Round Rock TX 78664, Round Rock, TX 78664
About this property
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, 36โ 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 30โx30โ workshop is a major highlight with insulated walls/roof (closed-cell spray foam), (2) 16โ electric lift insulated doors, 40โ 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 20โx10โ 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 homeโin a prime Round Rock location with quick access to toll roads & highways, Samsung, Dell, Amazon, Emerson, etc. **Ask for 3-page upgrade sheet
Basic Property Information
School District
Home Owners Association
Amenities and Features
Utilities
Heating: Central
Cooling: Central Air
Electricity Available,Propane
Sewer: Septic Tank
Water: Public
Additional Details
Walk Score
Based on information from the Austin Board of REALTORSยฎย for the period 12/12/2025 through 12/12/2025. All information provided is deemed reliable but is not guaranteed and should be independently verified. The Austin Board of REALTORSยฎ, ACTRIS and their affiliates provide the MLS and all content therein โAS ISโ and without any warranty, express or implied.







































