LKV Realty
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$725,000
$3,900Reward *
4400 County Road 123, Round Rock, TX 78664Listing ID 3238865

4400 County Road 123, Round Rock, TX 78664

Active
Low Water Crossing On Brushy Creek
Time on site: 247 daysLast updated: Jul 6, 2026
Property Type
Property Type
Residential
Property Sub Type
Property Sub Type
Single Family Residence
Bedrooms
Bedrooms
4
Bathrooms
Bathrooms
2
Square Feet
Square Feet
2,025
Acres
Acres
1
Days on Site
Days on Site
237
Cooling
Cooling
Central Air
Heating
Heating
Central
Year Built
Year Built
1978
Garages
Garages
2
Parking
Parking
Attached

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

Property Information

Property Details

Location

Address
4400 County Road 123
County
Williamson
City
Round Rock
Zip Code
78664
Subdivision
Low Water Crossing On Brushy Creek
School District
Hutto ISD
High School
Hutto
Elementary School
Hutto
MLS Area
HU

Interior Features

Beds and Baths

Bedrooms
4
Main Level Bedrooms
4
Full Bathrooms
2

Building

Building Information

Square Feet
2,025
Year Built
1978
Construction
Brick Veneer, Masonry – Partial
Foundation
Slab
Roof
Composition
Condition
Resale

Financial

Special Conditions
Standard

Property Taxes

Tax Annual Amount
$6,860
Tax Year
2025
Keller Williams Realty Lone Star, (512) 994-0247

Market Report for 78664

* The market data shown is based on available information from Multiple Listing Service (MLS) and/or public records. Data provided is for informational and educational purposes only and may not represent the full housing market. For more accurate information, consumers should consult a certified appraiser or licensed real estate agent.

*Average of $2,150 in rewards is calculated based on the purchase or sale of a home between $400,000 to $449,000. The median home price for all housing types is in the United States is $405,400 as of 2025 as reported by the National Association of Realtors® (NAR). The actual reward amount may vary depending on the purchase or sales price of the home. Please see the Lakeview Home Rewards program terms and conditions for more details. The National Association of Realtors® is a registered trademark of the National Association of Realtors®.

Source: Unlock MLS
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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 12 Aug 2026, 11:22 PM UTC. 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.

For corrections to this data please contact Brytecore MLS Support.

ACT538860