Single Family ResidenceResidential
4504 POST LOOP
ROUND ROCK, TX 78681
4
Beds
3
Baths
3,056 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
2020
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,981 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$628,224 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$109,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$519,224
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$580,872
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$628,224
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWILLIAMSON
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
Neighborhood · ZIP 78681These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.44
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20
Index scale: 100 = US average (tick). Lower is better.
Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.72,545
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,224 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,547
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$146,868
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%
Ownership
OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
4504 Post Loop measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Bigger than 85% of homes in Williamson County
- Newer than 97% of homes in Round Rock 78681
How it measures up in Round Rock 78681
The dot is this home. The mark in the middle is the typical home in Round Rock 78681.
Living area3,056 ft²
SmallerTypical 2,315 ft²Bigger
Bigger than 79% of homes nearby
Year built2020
OlderTypical 1998Newer
Newer than 97% of homes nearby
| Measure | This home | Mayfield Ranch | Round Rock 78681 | Williamson County |
|---|---|---|---|---|
| Living areabigger than | 3,056 ft² | 78% of homes | 79% of homes | 85% of homes |
| Year builtnewer than | 2020 | 91% of homes | 97% of homes | 83% of homes |
About 4504 Post Loop
When did 4504 Post Loop, Round Rock, TX last sell?
4504 Post Loop, Round Rock, TX last sold on Jan 1, 1900, according to the county's recorded deed.
How big is 4504 Post Loop, Round Rock, TX?
4504 Post Loop, Round Rock, TX has 4 bedrooms, 3 bathrooms and 3,056 square feet of living space.
When was 4504 Post Loop, Round Rock, TX built?
4504 Post Loop, Round Rock, TX was built in 2020, making it 6 years old. The building has 2 stories.
How does 4504 Post Loop, Round Rock, TX compare to other homes in Round Rock 78681?
Among the 18,081 homes in Round Rock 78681, it is bigger than 79% of them (3,056 ft² against a typical 2,315 ft²) and it is newer than 97% of them (2020 against a typical 1998). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 4504 Post Loop, Round Rock, TX?
The 2025 property tax bill for 4504 Post Loop, Round Rock, TX was $12,981. The county assessed it at $628,224.
More homes on Post Loop
- 4594 Post Loop$501K3 ba · 2,561 ft² · Sold Oct 2025
- 4581 Post Loop$482K3 bd · 2 ba · 2,202 ft² · Sold Apr 2024
- 4561 Post Loop$423K2,017 ft² · Sold Oct 2022
- 4512 Post Loop$547K3 bd · 3 ba · 2,942 ft² · Sold Apr 2022
- 4541 Post Loop$532K4 bd · 3 ba · 2,735 ft² · Sold Apr 2022
- 4557 Post Loop$499K4 bd · 3 ba · 2,513 ft² · Sold Mar 2022
- 4569 Post Loop$514K5 bd · 3 ba · 2,435 ft² · Sold Feb 2022
- 4513 Post Loop$572K4 bd · 3 ba · 2,800 ft² · Sold Jan 2022
- 4501 Post Loop$545K5 bd · 4 ba · 2,762 ft² · Sold Jan 2022
- 4521 Post Loop$493K4 bd · 3 ba · 2,256 ft² · Sold Jan 2022
- 4585 Post Loop$606K4 bd · 4 ba · 3,189 ft² · Sold Jan 2022
- 4516 Post Loop$587K4 bd · 3 ba · 3,075 ft² · Sold Jan 2022
Closest homes
- 4508 Post Loop0 ft · 3 bd · 2 ba · 1,585 ft² · Sold Jan 1900
- 4392 Mayfield Ranch Blvd$465K52 ft · 4 bd · 4 ba · 2,162 ft² · Sold Mar 2021
- 4594 Post Loop$501K95 ft · 3 ba · 2,561 ft² · Sold Oct 2025
- 4388 Mayfield Ranch Blvd$418K102 ft · 3 bd · 2 ba · 1,962 ft²
- 4590 Post Loop112 ft · 3 bd · 2 ba · 2,258 ft² · Sold Apr 2021
- 4590 Post Loop116 ft · 3 bd · 2 ba · 2,258 ft² · Sold Jan 1900
- 4601 Post Ln140 ft · 4 bd · 3 ba · 2,767 ft² · Sold Oct 2021
- 4586 Post Loop$400K146 ft · 3 bd · 2 ba · 1,813 ft² · Sold May 2021
More homes in Round Rock 78681
- 2436 Cloud Peak Ln$525K2.5 ba · 3,010 ft² · Sold $482K · Jul 2026
- 3118 Karstview Cv$530K3 bd · 2.5 ba · 2,529 ft² · Sold $404K · Jul 2026
- 1203 Saint Williams Ave$480K2 ba · 2,179 ft² · Sold $476K · Jul 2026
- 8318 Glen Canyon Dr$450K2 ba · 2,096 ft² · Sold $364K · Jul 2026
- 3008 Cancelo Cv$915K3 ba · 3,250 ft² · Sold Jul 2026
- 3102 Ash Glen Ln$498K2 ba · 2,592 ft² · Sold $393K · Jul 2026
- 2204 Creekview Dr$480K2 ba · 2,035 ft² · Sold $456K · Jul 2026
- 8319 Columbia Falls Dr$500K2.5 ba · 2,345 ft² · Sold $496K · Jul 2026
- 2212 Mockingbird Dr$528K2 ba · 2,432 ft² · Sold $416K · Jul 2026
- 2245 Sarabanda StResidential - Vacant Land · Sold $778K · Jul 2026
- 4008 Vista Isle Dr$719K3 ba · 3,388 ft² · Sold $545K · Jul 2026
- 1917 White Oak Cir$430K2.5 ba · 1,708 ft² · Sold Jul 2026
Explore the area
See this home in context
Open 4504 Post Loop on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.
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