
— bed, — bath on 1.00 acres in Round Rock. Round Rock, TX 78664. $700,000.
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.
Verified property facts
4400 County Road 123 is listed at $700,000 with 0 bedrooms, 1.00-acre lot. This places it above the ZIP 78664 single-family closed-sale median price of $442,445 (ZIP 78664 geography · single-family closed sales · median sale price · trailing 12 months as of Oct 1, 2026).
4400 County Road 123 is a Commercial Sale built in 1978 featuring 0 bedrooms, 1.00-acre lot.
4400 County Road 123 is listed by Keller Williams Realty Lone Star. Keenan Group at Compass presents this IDX listing and provides the accompanying market analysis using MLS Grid / Unlock MLS data reviewed as of Oct 1, 2026.
The most recent annual property tax for 4400 County Road 123 is $6,860. Texas has no state income tax, so property taxes are a primary revenue source. Rates vary by jurisdiction and exemptions. Verify current amounts with the county appraisal district.
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2 records on file
Every recorded listing, sale, and lease at 4400 County Road 123, whoever represented it.
Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.
Listing timeline with current price, original ask, and market time.
20% ($140K)
Adjustable assumption - not a lending recommendation.
$700,000
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A sourced read on Round Rock pricing, timing, and property scale. No automated valuation claim.
List price
$700,000
Price per sqft
Not available
Vs. Neighborhood guide reference price
Not available
Days on market
174 days
Original to current
$50K reduction
$750K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Oct 1, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
This page does not assume a mortgage rate or publish a monthly payment for 4400 County Road 123. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.
As of Oct 1, 2026, 4400 County Road 123 is offered at $700,000. The current MLS snapshot shows 162 active listings in 78664. Keenan Group has completed 9 verified transactions in 78664 within its 1,000+ completed transactions and $1B+ career volume across Austin.
4400 County Road 123 was built in 1978 (48 years ago). Buyers should budget for potential updates to major systems.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
6 events on record
Current Price
$700,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
| Address | Offered At |
|---|---|
| 2229 Shark Loop | $575K |
| 2701 High Country Blvd | $480K |
| 2032 Golden Bear Dr | $358K |
| 1538 Weiskopf LOOP | $350K |
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