4400 County Road 123, Round Rock, TX

$725,000

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1.00

Acre

About 4400 County Road 123

Property offers potential for a variety of uses, including possible commercial applications, subject to buyer verification. Versatile property with a metal building. No known restrictions per seller; however, buyer to independently confirm zoning, restrictions, and intended use. 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. ~$523K in upgrades, 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. New roof, blown-in attic insulation, LED lighting throughout, fireplace rebuild, full laundry/utility room addition, 4th bedroom, privacy fencing, new driveway, sidewalks, + extensive landscape upgrades. The 30’x30’ workshop has 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, plus a covered trailer/storage bay with gate access. Backyard paradise that backs into the creek. 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. All information deemed reliable. Buyer to verify all information.

Features of 4400 County Road 123

MLS® # 7862691
Price $725,000
Bathrooms 0.00
Acres 1.00
Year Built 1978
Type Commercial Sale
Sub-Type Business
Status Active

Community Information

Address 4400 County Road 123
Area HU
Subdivision Low Water Crossing On Brushy Creek
City Round Rock
County Williamson
State TX
Zip Code 78664

Amenities

Utilities Electricity Available, Propane
Parking Attached
View City
Is Waterfront No
Has Pool No

Interior

Interior Carpet, Tile, Vinyl
Heating Central
Fireplace No
Master On Main No

Exterior

Exterior Features Storage
Construction Masonry, Brick Veneer
Foundation Slab

Additional Information

Date Listed April 10th, 2026
Days on Market 142
Foreclosure No
Short Sale No
RE / Bank Owned No

Listing Details

OfficeKeller Williams Realty Lone Star
Contact Info(512) 994-0247

Listing Map

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