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Single Family ResidenceResidential
$371,922$167 / 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 96How 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
Last sold for $138,300 on Aug 17, 2020

1921 TAWAKONI DR

ROUND ROCK, TX 78664
2
Baths
2,233 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.
2015
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

$372K
$356K low$388K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$138,300 · Aug 17, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,638 (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.$425,511 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$92,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$333,011
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$480,093
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$425,511

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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 233 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.

H
Cedar Ridge High SchoolB
High · Grades 9–12 · 1.2 mi
E
Callison Elementary SchoolD+
Elementary · Grades PK–5 · 1.7 mi
M
C.D. Fulkes Middle SchoolD-
Middle · Grades 6–8 · 2.9 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

1921 Tawakoni Dr 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 more than 70% of homes in Round Rock 78664
  • Costs less per square foot than 79% of homes in Williamson County
  • Bigger than 72% of homes in Round Rock 78664
  • Newer than 91% 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
$222K$804K

This home is worth more than 70% 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$371,922
CheaperTypical $319,096Pricier

Pricier than 70% of homes nearby

Price per ft²$167
CheaperTypical $191Pricier

Pricier than 24% of homes nearby

Living area2,233 ft²
SmallerTypical 1,778 ft²Bigger

Bigger than 72% of homes nearby

Year built2015
OlderTypical 1998Newer

Newer than 91% of homes nearby

How 1921 Tawakoni Dr ranks against every home in each area.
MeasureThis homeRound Rock 78664Williamson County
Estimated valuepricier than$371,92270% of homes43% of homes
Price per ft²pricier than$16724% of homes21% of homes
Living areabigger than2,233 ft²72% of homes56% of homes
Year builtnewer than201591% of homes65% of homes

About 1921 Tawakoni Dr

How much is 1921 Tawakoni Dr, Round Rock, TX worth?

The TopHap Estimate for 1921 Tawakoni Dr, Round Rock, TX is $371,922 as of Oct 21, 2026. The likely range is $355,848 to $387,996. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1921 Tawakoni Dr, Round Rock, TX last sell?

1921 Tawakoni Dr, Round Rock, TX last sold on Aug 17, 2020 for $138,300, according to the county's recorded deed.

How big is 1921 Tawakoni Dr, Round Rock, TX?

1921 Tawakoni Dr, Round Rock, TX has 2 bathrooms and 2,233 square feet of living space.

When was 1921 Tawakoni Dr, Round Rock, TX built?

1921 Tawakoni Dr, Round Rock, TX was built in 2015, making it 11 years old. The building has 1 story.

What schools serve 1921 Tawakoni Dr, Round Rock, TX?

1921 Tawakoni Dr, Round Rock, TX is assigned to Cedar Ridge High School (high), rated B; Callison Elementary School (elementary), rated D+; C.D. Fulkes Middle School (middle), rated D-. All sit in Round Rock Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1921 Tawakoni Dr, 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 70% of them ($371,922 against a typical $319,096), its price per square foot is higher than 24% of them ($167 against a typical $191), it is bigger than 72% of them (2,233 ft² against a typical 1,778 ft²) and it is newer than 91% of them (2015 against a typical 1998). Measured against all of Williamson County, it is worth more than 43% 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 1921 Tawakoni Dr, Round Rock, TX?

The 2025 property tax bill for 1921 Tawakoni Dr, Round Rock, TX was $8,638. The county assessed it at $425,511.

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