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4400 County Road 123 None

Round Rock, TX, 78664

Active

$725,000

Asking sale price

Listed by Keller Williams Realty Lone Star · Robert Fischer

Listing attribution contact: (512) 994-0247

MLS #3238865 · Active

Listings courtesy of Unlock MLS as distributed by MLS GRID.

Data obtained . Listing modified .

Photos are not available.

Check with the listing team for current property images.

0 listing photos in this listing update.

4Bedrooms

2Bathrooms

1978Year built

Single Family ResidenceProperty type

THE HOME, IN THE LISTING AGENT’S WORDS

A closer look.

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

THE DETAILS THAT SHAPE YOUR DAY

Reported property facts

Property type
Residential
Property subtype
Single Family Residence
Bedrooms
4
Bathrooms
2
Full bathrooms
2
Half bathrooms
0
Living area
2,025 (units not reported)
Lot acres
1
Year built
1978
Parking spaces
6
Garage spaces
2

Schools reported in the listing

  • High schoolHutto
  • Middle schoolHutto
  • DistrictHutto ISD
  • ElementaryHutto

Verify assignment with the relevant district for the exact address, program and school year. These source-reported names are not ratings or an enrollment guarantee.

Features & finishes

lot

Trees-Heavy · Trees-Large (Over 40 Ft)

pool

None

roof

Composition

view

City

patio

Covered · Patio

sewer

Septic Tank

levels

One

cooling

Central Air

fencing

None

heating

Central

parking

Attached

exterior

None

flooring

Carpet · Tile · Vinyl

interior

Ceiling-Vaulted · Stone Counters · Kitchen Island · Open Floorplan · Primary Bedroom on Main · Walk-In Closet(s)

community

None

utilities

Electricity Available · Propane

appliances

Dishwasher · Gas Cooktop · Microwave · Oven

waterfront

See Remarks · Creek · Waterfront

water Source

Public

construction

Brick Veneer · Masonry – Partial

accessibility

None

LOOK BELOW THE LISTING

A place has layers.
Start with the evidence.

Check mapped flood zones and regional geology, then turn the findings into better questions before you buy. Each source describes a different part of the picture.

4400 County Road 123 None

Uses the listing’s reported coordinates, which may be approximate.

Compare local areas Investigate development Build a property-tax estimate Open USDA’s soil survey

TAKE THE NEXT STEP

See how this home fits your life.

Ask about current availability, arrange a showing, or talk through the details with our local team.

Ask about this home ↗Request a comparative market analysis ↗Call (512) 710-0337 ↗

Listing source and permitted use

Presented by Austin Local Team · All City Real Estate, ltd. Co. · (512) 710-0337

Listings courtesy of Unlock MLS as distributed by MLS GRID.

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IDX information is provided exclusively for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed by MLS GRID. Use may be subject to an end user license agreement prescribed by the applicable MLS. Any use or search other than by a consumer looking to purchase real estate is prohibited.

Based on information submitted to the MLS GRID as of Sep 14, 2026, 11:55 PM Central. 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.

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