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Duplex (2 Units, Any Combination)Residential
Last sold for $442,160 on May 1, 2023

1601 ONION CREEK VILLAGE DR

ROUND ROCK, TX 78664
4
Baths
2,477 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$442,160 · May 1, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,612 (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.$388,411 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$77,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$311,411
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$439,619
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$388,411

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.18 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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyWILLIAMSON
Lot (acres)The size of the land the home sits on, from county records.0.30
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.Porch · 112 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
Berkman Elementary SchoolD+
Elementary · Grades PK–5 · 0.8 mi
M
C.D. Fulkes Middle SchoolD-
Middle · Grades 6–8 · 0.8 mi
H
Cedar Ridge High SchoolB
High · Grades 9–12 · 3.4 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

1601 Onion Creek Village 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.

  • Bigger than 79% of homes in Round Rock 78664
  • Has a bigger lot than 85% of homes in Round Rock 78664
  • Older than 92% of homes in Williamson County

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.

Living area2,477 ft²
SmallerTypical 1,778 ft²Bigger

Bigger than 79% of homes nearby

Lot size0.3 ac
SmallerTypical 0.18 acBigger

Bigger than 85% of homes nearby

Year built1979
OlderTypical 1998Newer

Newer than 10% of homes nearby

How 1601 Onion Creek Village Dr ranks against every home in each area.
MeasureThis homeRound Rock 78664Williamson County
Living areabigger than2,477 ft²79% of homes67% of homes
Lot sizebigger than0.3 ac85% of homes75% of homes
Year builtnewer than197910% of homes8% of homes

About 1601 Onion Creek Village Dr

When did 1601 Onion Creek Village Dr, Round Rock, TX last sell?

1601 Onion Creek Village Dr, Round Rock, TX last sold on May 1, 2023 for $442,160, according to the county's recorded deed.

How big is 1601 Onion Creek Village Dr, Round Rock, TX?

1601 Onion Creek Village Dr, Round Rock, TX has 4 bathrooms, 2,477 square feet of living space and a 0.30-acre lot.

When was 1601 Onion Creek Village Dr, Round Rock, TX built?

1601 Onion Creek Village Dr, Round Rock, TX was built in 1979, making it 47 years old. It is a duplex single home. The building has 1 story.

What schools serve 1601 Onion Creek Village Dr, Round Rock, TX?

1601 Onion Creek Village Dr, Round Rock, TX is assigned to Berkman Elementary School (elementary), rated D+; 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 1601 Onion Creek Village Dr, Round Rock, TX compare to other homes in Round Rock 78664?

Among the 16,307 homes in Round Rock 78664, it is bigger than 79% of them (2,477 ft² against a typical 1,778 ft²), its lot is bigger than 85% of them (0.3 ac against a typical 0.18 ac) and it is newer than 10% of them (1979 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 1601 Onion Creek Village Dr, Round Rock, TX?

The 2025 property tax bill for 1601 Onion Creek Village Dr, Round Rock, TX was $6,612. The county assessed it at $388,411.

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