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Single Family ResidenceResidential
$443,425$242 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

3903 VALLEY VW

ROUND ROCK, TX 78681
2
Baths
1,834 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$443K
$403K low$484K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,177 (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.$507,080 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$149,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$358,080
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$507,585
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$507,080

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWILLIAMSON
Lot (acres)The size of the land the home sits on, from county records.0.53
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 210 ft²Patio · 550 ft²Porch · 72 ft²

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Walsh Middle SchoolA+
Middle · Grades 6–8 · 0.5 mi
E
Cactus Ranch Elementary SchoolA+
Elementary · Grades KG–5 · 0.9 mi
H
Round Rock High SchoolA
High · Grades 9–12 · 3.2 mi

District: Round Rock Independent School District

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.72,546
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%

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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

3903 Valley Vw 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.

  • Costs more per square foot than 86% of homes in Round Rock 78681
  • Smaller than 74% of homes in Round Rock 78681
  • Has a bigger lot than 93% of homes in Round Rock 78681
  • Older than 89% of homes in Williamson County

What homes are worth in Round Rock 78681

Each bar is how many homes fall in that price range. The marker is this home.

This home
$240K$1M

This home is worth more than 39% 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.

Estimated value$443,425
CheaperTypical $480,575Pricier

Pricier than 39% of homes nearby

Price per ft²$242
CheaperTypical $212Pricier

Pricier than 86% of homes nearby

Living area1,834 ft²
SmallerTypical 2,332 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.52 ac
SmallerTypical 0.2 acBigger

Bigger than 93% of homes nearby

Year built1983
OlderTypical 1999Newer

Newer than 19% of homes nearby

How 3903 Valley Vw ranks against every home in each area.
MeasureThis homeRound Rock 78681Williamson County
Estimated valuepricier than$443,42539% of homes61% of homes
Price per ft²pricier than$24286% of homes85% of homes
Living areabigger than1,834 ft²26% of homes36% of homes
Lot sizebigger than0.52 ac93% of homes83% of homes
Year builtnewer than198319% of homes11% of homes

About 3903 Valley Vw

How much is 3903 Valley Vw, Round Rock, TX worth?

The TopHap Estimate for 3903 Valley Vw, Round Rock, TX is $443,425 as of Oct 21, 2026. The likely range is $403,159 to $483,691. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3903 Valley Vw, Round Rock, TX last sell?

3903 Valley Vw, Round Rock, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3903 Valley Vw, Round Rock, TX?

3903 Valley Vw, Round Rock, TX has 2 bathrooms, 1,834 square feet of living space and a 0.53-acre lot.

When was 3903 Valley Vw, Round Rock, TX built?

3903 Valley Vw, Round Rock, TX was built in 1983, making it 43 years old. The building has 1 story.

What schools serve 3903 Valley Vw, Round Rock, TX?

3903 Valley Vw, Round Rock, TX is assigned to Walsh Middle School (middle), rated A+; Cactus Ranch Elementary School (elementary), rated A+; Round Rock High School (high), rated A. All sit in Round Rock Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3903 Valley Vw, Round Rock, TX compare to other homes in Round Rock 78681?

Among the 17,728 homes in Round Rock 78681, it is worth more than 39% of them ($443,425 against a typical $480,575), its price per square foot is higher than 86% of them ($242 against a typical $212), it is bigger than 26% of them (1,834 ft² against a typical 2,332 ft²), its lot is bigger than 93% of them (0.52 ac against a typical 0.2 ac) and it is newer than 19% of them (1983 against a typical 1999). Measured against all of Williamson County, it is worth more than 61% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3903 Valley Vw, Round Rock, TX?

The 2025 property tax bill for 3903 Valley Vw, Round Rock, TX was $3,177. The county assessed it at $507,080.

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