4400 County Road 123
- $725,000 REDUCED
- 4 Beds, 2 Bath, 2025 SQ. Feet, 1.00 Acre Residential Round Rock, TX 78664
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
Essential Information
- MLS® #3238865
- Price$725,000
- Bedrooms4
- Bathrooms2.00
- Full Baths2
- Square Footage2,025
- Acres1.00
- Year Built1978
- TypeResidential
- Sub-TypeSingle Family Residence
- StatusActive
Community Information
- Address4400 County Road 123
- CityRound Rock
- CountyWilliamson
- StateTX
- Zip Code78664
Subdivision
Low Water Crossing On Brushy Creek
Amenities
- UtilitiesElectricity Available, Propane
- FeaturesNone
- ParkingAttached
- # of Garages2
- ViewCity
- Is WaterfrontYes
- WaterfrontCreek, See Remarks, Waterfront
Interior
- InteriorCarpet, Vinyl, Tile
- HeatingCentral
- CoolingCentral Air
- FireplaceYes
- # of Fireplaces1
- FireplacesFamily Room
- # of Stories1
- StoriesOne
Appliances
Dishwasher, Gas Cooktop, Microwave, Oven
Exterior
- Exterior FeaturesNone
- Lot DescriptionMany Trees, Trees Large Size
- WindowsBlinds
- RoofComposition
- ConstructionBrick Veneer, Masonry
- FoundationSlab
School Information
- DistrictHutto ISD
- ElementaryHutto
- MiddleHutto
- HighHutto
Map & Directions
View in Google MapsPrice Change History for 4400 County Road 123, Round Rock, TX (MLS® #3238865)
| Date | Details | Price | Change |
|---|---|---|---|
| Price Reduced | $725,000 | $15,000 (2.03%) | |
| Price Reduced | $740,000 | $10,000 (1.33%) | |
| Price Reduced (from $800,000) | $750,000 | $50,000 (6.25%) |
Property Listed by: Keller Williams Realty Lone Star
The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Based on information from the Austin Board of REALTORS® (alternatively, from ACTRIS) from July 17th, 2026 at 10:16pm CDT. Neither the Board nor ACTRIS guarantees or is in any way responsible for its accuracy. The Austin Board of REALTORS®, ACTRIS and their affiliates provide the MLS and all content therein "AS IS" and without any warranty, express or implied. Data maintained by the Board or ACTRIS may not reflect all real estate activity in the market.
All information provided is deemed reliable but is not guaranteed and should be independently verified.