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Single Family ResidenceResidential
$343,645$355 / 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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

4 VALLEY TRL

ROUND ROCK, TX 78664
0
Baths
968 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.

Valuation

$344K
$282K low$405K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$43,645
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$34,916
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.86%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$300,000
SOUTHSTAR BANK SSB · recorded Dec 5, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,020 (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.$221,759 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27,306
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$194,453
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$215,392
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$221,759

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.55
31
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
52
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
99
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
49
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
46
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.5 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.0.12
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 36 ft²

Transaction History(1)

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.

E
Forest Creek Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
M
Ridgeview Middle SchoolA-
Middle · Grades 6–8 · 1.1 mi
H
Cedar Ridge High SchoolB
High · Grades 9–12 · 2.2 mi

District: Round Rock Independent School District

Neighborhood · ZIP 78664These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
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.72,016
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,336 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,209
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,122
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.Owner occupied
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

4 Valley Trl 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.

  • Worth less than 70% of homes in Williamson County
  • Costs more per square foot than 98% of homes in Williamson County
  • Among the smallest homes in Williamson County
  • Has a smaller lot than 96% of homes in Williamson County
  • Newer than 81% of homes in Round Rock 78664

What homes are worth in Round Rock 78664

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

This home
$224K$917K

This home is worth more than 54% of homes in Round Rock 78664.

How it measures up in Round Rock 78664

The dot is this home. The mark in the middle is the typical home in Round Rock 78664.

Estimated value$343,645
CheaperTypical $337,883Pricier

Pricier than 54% of homes nearby

Price per ft²$355
CheaperTypical $199Pricier

Pricier than 96% of homes nearby

Living area968 ft²
SmallerTypical 1,764 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.12 ac
SmallerTypical 0.18 acBigger

Bigger than 9% of homes nearby

Year built2007
OlderTypical 1998Newer

Newer than 81% of homes nearby

How 4 Valley Trl ranks against every home in each area.
MeasureThis homeRound Rock 78664Williamson County
Estimated valuepricier than$343,64554% of homes30% of homes
Price per ft²pricier than$35596% of homes98% of homes
Living areabigger than968 ft²4% of homesalmost no homes
Lot sizebigger than0.12 ac9% of homes4% of homes
Year builtnewer than200781% of homes52% of homes

About 4 Valley Trl

How much is 4 Valley Trl, Round Rock, TX worth?

The TopHap Estimate for 4 Valley Trl, Round Rock, TX is $343,645 as of Jul 14, 2026. The likely range is $281,929 to $405,361. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Valley Trl, Round Rock, TX last sell?

4 Valley Trl, Round Rock, TX last sold on Dec 5, 2023, according to the county's recorded deed.

How big is 4 Valley Trl, Round Rock, TX?

4 Valley Trl, Round Rock, TX has 968 square feet of living space and a 0.12-acre lot.

When was 4 Valley Trl, Round Rock, TX built?

4 Valley Trl, Round Rock, TX was built in 2007, making it 19 years old.

What schools serve 4 Valley Trl, Round Rock, TX?

4 Valley Trl, Round Rock, TX is assigned to Forest Creek Elementary School (elementary), rated A-; Ridgeview Middle School (middle), rated A-; Cedar Ridge High School (high), rated B. All sit in Round Rock Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Valley Trl, Round Rock, TX compare to other homes in Round Rock 78664?

Among the 17,092 homes in Round Rock 78664, it is worth more than 54% of them ($343,645 against a typical $337,883), its price per square foot is higher than 96% of them ($355 against a typical $199), it is bigger than 4% of them (968 ft² against a typical 1,764 ft²), its lot is bigger than 9% of them (0.12 ac against a typical 0.18 ac) and it is newer than 81% of them (2007 against a typical 1998). Measured against all of Williamson County, it is worth more than 30% 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 4 Valley Trl, Round Rock, TX?

The 2025 property tax bill for 4 Valley Trl, Round Rock, TX was $2,020. The county assessed it at $221,759.

More homes on Valley Trl

Closest homes

More homes in Round Rock 78664

Assigned schools

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