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Single Family ResidenceResidential
$166,424$231 / 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

502 RUBIO AVE

ROUND ROCK, TX 78664
1
Baths
720 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$166K
$152K low$181K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,655 (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.$155,212 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$93,086
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$62,126
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$147,552
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$155,212

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.16 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1980
Lot (acres)The size of the land the home sits on, from county records.0.21
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 180 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.

E
Voigt Elementary SchoolC-
Elementary · Grades PK–5 · 0.4 mi
M
C.D. Fulkes Middle SchoolD-
Middle · Grades 6–8 · 0.6 mi
H
Cedar Ridge High SchoolB
High · Grades 9–12 · 2.4 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%

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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

502 Rubio Ave 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.

  • Among the least valuable homes in Round Rock 78664
  • Costs more per square foot than 89% of homes in Round Rock 78664
  • Among the smallest homes in Round Rock 78664
  • Has a bigger lot than 68% of homes in Round Rock 78664
  • Among the oldest 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
$222K$804K

This home is worth less than almost all 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$166,424
CheaperTypical $319,096Pricier

Cheaper than almost all homes nearby

Price per ft²$231
CheaperTypical $191Pricier

Pricier than 89% of homes nearby

Living area720 ft²
SmallerTypical 1,778 ft²Bigger

Smaller than almost all homes nearby

Lot size0.21 ac
SmallerTypical 0.18 acBigger

Bigger than 68% of homes nearby

Year built1940
OlderTypical 1998Newer

Older than almost all homes nearby

How 502 Rubio Ave ranks against every home in each area.
MeasureThis homeRound Rock 78664Williamson County
Estimated valuepricier than$166,424almost no homesalmost no homes
Price per ft²pricier than$23189% of homes80% of homes
Living areabigger than720 ft²almost no homesalmost no homes
Lot sizebigger than0.21 ac68% of homes57% of homes
Year builtnewer than1940almost no homes2% of homes

About 502 Rubio Ave

How much is 502 Rubio Ave, Round Rock, TX worth?

The TopHap Estimate for 502 Rubio Ave, Round Rock, TX is $166,424 as of Oct 21, 2026. The likely range is $152,167 to $180,681. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 Rubio Ave, Round Rock, TX last sell?

502 Rubio Ave, Round Rock, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 502 Rubio Ave, Round Rock, TX?

502 Rubio Ave, Round Rock, TX has 1 bathrooms, 720 square feet of living space and a 0.21-acre lot.

When was 502 Rubio Ave, Round Rock, TX built?

502 Rubio Ave, Round Rock, TX was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 502 Rubio Ave, Round Rock, TX?

502 Rubio Ave, Round Rock, TX is assigned to Voigt Elementary School (elementary), rated C-; C.D. Fulkes Middle School (middle), rated D-; 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 502 Rubio Ave, Round Rock, TX compare to other homes in Round Rock 78664?

Among the 16,307 homes in Round Rock 78664, it is worth more than almost none of them ($166,424 against a typical $319,096), its price per square foot is higher than 89% of them ($231 against a typical $191), it is bigger than almost none of them (720 ft² against a typical 1,778 ft²), its lot is bigger than 68% of them (0.21 ac against a typical 0.18 ac) and it is newer than almost none of them (1940 against a typical 1998). Measured against all of Williamson County, it is worth more than almost no 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 502 Rubio Ave, Round Rock, TX?

The 2025 property tax bill for 502 Rubio Ave, Round Rock, TX was $2,655. The county assessed it at $155,212.

More homes on Rubio Ave

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Assigned schools

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