4400 County Road 123, Round Rock TX 78664
Round Rock, TX 78664 · Low Water Crossing On Brushy Creek
Single Family Residence for sale in Low Water Crossing On Brushy Creek
Overview
Property Description
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
Financial Info
- Price
- $700,000
- $ / Sqft
- $346
- HOA
- None
- Tax Rate
- 1.759%
- Est. Taxes
- $6,860
- Tax Year
- 2025
- Exemptions
- Homestead
Legal Info
- Address
- 4400 County Road 123
- County
- Williamson
- City
- Round Rock
- State
- TX
- Zip
- 78664
- Subdivision
- Low Water Crossing On Brushy Creek
- Legal Description
- LOW WATER CROSSING ON BRUSHY CREEK, LOT 4, ACRES 1.00
- Parcel
- 1414200003
Interior Features
- Floor
- Carpet, Tile, Vinyl
- Num Living
- 1
- Dining
- 1
- Kitchen
- Kitchen Island
- Appliances
- Dishwasher, Gas Cooktop, Microwave, Oven
- Laundry
- Laundry Room, Main Level
- Master Bed
- Primary Bedroom on Main, Walk-In Closet(s)
- Master Main
- Yes
- Fireplaces
- 1
- Fireplace Description
- Family Room
- Interior Features
- Vaulted Ceiling(s), Stone Counters, Kitchen Island, Open Floorplan, Primary Bedroom on Main, Walk-In Closet(s), None, Blinds
General Info
- Beds
- 4 Total / 4 Main Level
- Full / Half Baths
- 2 / 0
- Prop Type
- Residential
- Property Type
- Single Family Residence
- Stories
- 1
- Year Built
- 1978 / Resale
- Square Feet
- 2,025 / Public Records
- Garages
- 2
- Garage Desc
- Attached
- Foundation
- Slab
- Roof
- Composition
- Construction
- Brick Veneer, Masonry – Partial
- Acres
- 1.00
- Lot Description
- Trees-Heavy, Trees-Large (Over 40 Ft)
- Restrictions
- None
- Flood Plain
- Partial
- View
- City
- Water Access
- Yes
- Waterfront
- Yes
- Area
- HU
Utility Info
- Water
- Public
- Sewer
- Septic Tank
- Utilities
- Electricity Available, Propane
- Heat
- Central
- A C
- Central Air
Exterior Features
- Fence
- None
- Exterior Features
- None, Covered, Patio
- Pool On Property
- No
- Area Amenities
- None
Rooms
Main level
- Primary Bedroom
Ceiling Fan(s)
- Kitchen
Stone Counters
- Primary Bathroom
Full Bath
Price history
| Date | Event | Price | Change |
|---|---|---|---|
| Sep 16, 2026 | Price Decrease | $700,000−$25,000 (−3.4%) | −$25,000 (−3.4%) |
| Jul 3, 2026 | Back On Market | — | |
| Jul 3, 2026 | Price Decrease | $725,000−$15,000 (−2%) | −$15,000 (−2%) |
| Jun 24, 2026 | Active Under Contract | — | |
| May 13, 2026 | Price Decrease | $740,000−$10,000 (−1.3%) | −$10,000 (−1.3%) |
| Feb 4, 2026 | Price Decrease | $750,000−$50,000 (−6.3%) | −$50,000 (−6.3%) |
| Dec 8, 2025 | New Listing | — |
Taxes
- Legal
- LOW WATER CROSSING ON BRUSHY CREEK, LOT 4, ACRES 1.00
- Geo ID
- 1414200003
- Acreage
- 1.00
- Exemption Type
- None on record
- Detail
- Not provided by this county source
- MLS estimated annual taxes
- $6,860
- MLS tax year
- 2025
| Year | Land | Improvements | Market | Assessed |
|---|---|---|---|---|
| 2026 | $260,000 | $217,629 | $477,629 | $428,977 |
Disclaimer: Tax data provided by Williamson Central Appraisal District (2026 Williamson CAD Property export).
Schools
School Info
- District
- Hutto ISD
- Elementary
- Hutto
- Middle
- Hutto
- High
- Hutto
Maps
Financing
Your preferences
- 20% down
- Conv/Jumbo
- 30 years
- 6.50% rate
Saved on this device
Estimated monthly payment
$4,695 / mo
20% down · 6.50% interest · 30-year fixed
Estimated monthly payment $4,695
- Principal & interest
- $3,540
- Property taxes
- $572
- Homeowners insurance
- $583
*PITI only
These figures are estimates for general information only — not a loan offer, a quote, or a guarantee of financing terms.
| Year | Starting balance | Principal paid | Interest paid | Ending balance | Principal vs interest |
|---|---|---|---|---|---|
| 1 | $560,000 | $6,259 | $36,216 | $553,741 | |
| 2 | $553,741 | $6,678 | $35,797 | $547,062 | |
| 3 | $547,062 | $7,126 | $35,349 | $539,937 | |
| 4 | $539,937 | $7,603 | $34,872 | $532,334 | |
| 5 | $532,334 | $8,112 | $34,363 | $524,221 | |
| 6 | $524,221 | $8,655 | $33,820 | $515,566 | |
| 7 | $515,566 | $9,235 | $33,240 | $506,331 | |
| 8 | $506,331 | $9,854 | $32,621 | $496,477 | |
| 9 | $496,477 | $10,513 | $31,961 | $485,964 | |
| 10 | $485,964 | $11,218 | $31,257 | $474,746 |
- Year 1$553,741
- Principal paid
- $6,259
- Interest paid
- $36,216
- Starting balance
- $560,000
- Year 2$547,062
- Principal paid
- $6,678
- Interest paid
- $35,797
- Starting balance
- $553,741
- Year 3$539,937
- Principal paid
- $7,126
- Interest paid
- $35,349
- Starting balance
- $547,062
- Year 4$532,334
- Principal paid
- $7,603
- Interest paid
- $34,872
- Starting balance
- $539,937
- Year 5$524,221
- Principal paid
- $8,112
- Interest paid
- $34,363
- Starting balance
- $532,334
- Year 6$515,566
- Principal paid
- $8,655
- Interest paid
- $33,820
- Starting balance
- $524,221
- Year 7$506,331
- Principal paid
- $9,235
- Interest paid
- $33,240
- Starting balance
- $515,566
- Year 8$496,477
- Principal paid
- $9,854
- Interest paid
- $32,621
- Starting balance
- $506,331
- Year 9$485,964
- Principal paid
- $10,513
- Interest paid
- $31,961
- Starting balance
- $496,477
- Year 10$474,746
- Principal paid
- $11,218
- Interest paid
- $31,257
- Starting balance
- $485,964
Nearby
Courtesy of Keller Williams Realty Lone Star · (512) 994-0247
Listings courtesy of ACTRIS as distributed by MLS GRID.