4400 County Road 123 None,Round Rock, TX 78664
Round Rock, TX 78664
Description
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 homein 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.
Details
| MLS # | 7862691 |
|---|---|
| Listing Type | For Sale |
| Style | Business |
| Sub-Type | Resale |
| Status | Active |
| Year | 1978 |
| Days On Site | 145 |
| Listing Provided By | Keller Williams Realty Lone Star | Robert Fischer |
Features
| SQ Feet | 2,025 |
|---|---|
| Building(s) | 2 |
| Acreage | 1.00 |
| Property View | City |
Interior
| Cooling | Central Air |
|---|---|
| Heating | Central |
| Flooring | Carpet, Tile, Vinyl |
Exterior
| Foundation Details | Slab |
|---|---|
| Construction Materials | Brick Veneer, Masonry – Partial |
Parking
| Parking Features | Attached |
|---|
Utilities
| Utilities | Electricity Available, Propane |
|---|---|
| Sewer | Septic Tank |
Other
| List Aor | Austin Board Of Realtors |
|---|
Taxes
| Property | 6859 |
|---|
Area Information
| State | TX |
|---|---|
| County | Williamson |
| City | Round Rock |
| Zip Code | 78664 |
| Area | HU |
| Community Name | Low Water Crossing On Brushy Creek |
| Listing VS Median (in Low Water Crossing On Brushy Creek) | |
Price: $725,000 low | high Med: $725,000 sqft: 2,025 low | high Med: 2,025 $ / sqft: $358 low | high Med: $358 On site: 145 low | high Med: 145 | |
Request a showing
Request a showing
Listings courtesy of Austin Board of REALTORS® MLS as distributed by MLS GRID.
Based on information submitted to the MLS GRID as of September 2, 2026 at 12:27:19 PM PDT All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
The Digital Millennium Copyright Act of 1998, 17 U.S.C. § 512 (the “DMCA”) provides recourse for copyright owners who believe that material appearing on the Internet infringes their rights under U.S. copyright law. If you believe in good faith that any content or material made available in connection with our website or services infringes your copyright, you (or your agent) may send us a notice requesting that the content or material be removed, or access to it blocked. Notices must be sent in writing by email to DMCAnotice@MLSGrid.com.
“The DMCA requires that your notice of alleged copyright infringement include the following information: (1) description of the copyrighted work that is the subject of claimed infringement; (2) description of the alleged infringing content and information sufficient to permit us to locate the content; (3) contact information for you, including your address, telephone number and email address; (4) a statement by you that you have a good faith belief that the content in the manner complained of is not authorized by the copyright owner, or its agent, or by the operation of any law; (5) a statement by you, signed under penalty of perjury, that the information in the notification is accurate and that you have the authority to enforce the copyrights that are claimed to be infringed; and (6) a physical or electronic signature of the copyright owner or a person authorized to act on the copyright owner’s behalf. Failure to include all of the above information may result in the delay of the processing of your complaint.
Contact
Learn More About This Property
| State | TX |
|---|---|
| County | Williamson |
| City | Round Rock |
| Zip Code | 78664 |
| Area | HU |
| Community Name | Low Water Crossing On Brushy Creek |
| Listing VS Median (in Low Water Crossing On Brushy Creek) | |
Price: $725,000 low | high Med: $725,000 sqft: 2,025 low | high Med: 2,025 $ / sqft: $358 low | high Med: $358 On site: 145 low | high Med: 145 | |