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Single Family ResidenceResidential
$421,148$201 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

13438 ONION CREEK DR

MANCHACA, TX 78652
2
Baths
2,091 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$421K
$393K low$449K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,530 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$467,481 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$228,614
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$238,867
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$531,719
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$467,481

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.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
53
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.
43
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyTravis
Lot (acres)The size of the land the home sits on, from county records.0.60
ConstructionThe main material the home's frame and walls are built from.Wood Frame
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
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 · 204 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
Menchaca Elementary SchoolC-
Elementary · Grades PK–5 · 2.1 mi
H
Akins High SchoolC
High · Grades 9–12 · 2.5 mi
M
Paredes Middle SchoolD
Middle · Grades 6–8 · 3.5 mi

District: Austin Independent School District

Neighborhood · ZIP 78652These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
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.12,434
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.756 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,976
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,475
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

Owner Tools

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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

13438 Onion Creek 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 less than 67% of homes in Manchaca 78652
  • Costs less per square foot than 76% of homes in Travis County
  • Has a bigger lot than 90% of homes in Travis County
  • Older than 81% of homes in Manchaca 78652

What homes are worth in Manchaca 78652

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

This home
$273K$895K

This home is worth more than 33% of homes in Manchaca 78652.

How it measures up in Manchaca 78652

The dot is this home. The mark in the middle is the typical home in Manchaca 78652.

Estimated value$421,148
CheaperTypical $458,242Pricier

Pricier than 33% of homes nearby

Price per ft²$201
CheaperTypical $229Pricier

Pricier than 28% of homes nearby

Living area2,091 ft²
SmallerTypical 1,975 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.6 ac
SmallerTypical 0.49 acBigger

Bigger than 66% of homes nearby

Year built1977
OlderTypical 1999Newer

Newer than 19% of homes nearby

How 13438 Onion Creek Dr ranks against every home in each area.
MeasureThis homeManchaca 78652Travis County
Estimated valuepricier than$421,14833% of homes40% of homes
Price per ft²pricier than$20128% of homes24% of homes
Living areabigger than2,091 ft²59% of homes60% of homes
Lot sizebigger than0.6 ac66% of homes90% of homes
Year builtnewer than197719% of homes22% of homes

About 13438 Onion Creek Dr

How much is 13438 Onion Creek Dr, Manchaca, TX worth?

The TopHap Estimate for 13438 Onion Creek Dr, Manchaca, TX is $421,148 as of Aug 30, 2026. The likely range is $393,184 to $449,112. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 13438 Onion Creek Dr, Manchaca, TX last sell?

13438 Onion Creek Dr, Manchaca, TX last sold on Oct 18, 2019, according to the county's recorded deed.

How big is 13438 Onion Creek Dr, Manchaca, TX?

13438 Onion Creek Dr, Manchaca, TX has 2 bathrooms, 2,091 square feet of living space and a 0.60-acre lot.

When was 13438 Onion Creek Dr, Manchaca, TX built?

13438 Onion Creek Dr, Manchaca, TX was built in 1977, making it 49 years old. The building has 1 story.

What schools serve 13438 Onion Creek Dr, Manchaca, TX?

13438 Onion Creek Dr, Manchaca, TX is assigned to Menchaca Elementary School (elementary), rated C-; Akins High School (high), rated C; Paredes Middle School (middle), rated D. All sit in Austin Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 13438 Onion Creek Dr, Manchaca, TX compare to other homes in Manchaca 78652?

Among the 2,467 homes in Manchaca 78652, it is worth more than 33% of them ($421,148 against a typical $458,242), its price per square foot is higher than 28% of them ($201 against a typical $229), it is bigger than 59% of them (2,091 ft² against a typical 1,975 ft²), its lot is bigger than 66% of them (0.6 ac against a typical 0.49 ac) and it is newer than 19% of them (1977 against a typical 1999). Measured against all of Travis County, it is worth more than 40% 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 13438 Onion Creek Dr, Manchaca, TX?

The 2024 property tax bill for 13438 Onion Creek Dr, Manchaca, TX was $8,530. The county assessed it at $467,481.

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