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Single Family ResidenceResidential
$403,450$253 / 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 90How 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

604 BLACKWELL AVE

MANCHACA, TX 78652
2
Baths
1,593 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
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

$403K
$363K low$444K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,825 (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.$417,623 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$225,620
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$192,003
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$384,857
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$417,623

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.0.55
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.Garage, Attached
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 · 408 ft²

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 · 2.2 mi
M
Paredes Middle SchoolD
Middle · Grades 6–8 · 3.3 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%

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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

604 Blackwell 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.

  • Worth less than 75% of homes in Manchaca 78652
  • Costs more per square foot than 67% of homes in Manchaca 78652
  • Smaller than 78% of homes in Manchaca 78652
  • Has a bigger lot than 89% of homes in Travis County
  • Older than 68% of homes in Travis County

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
$274K$899K

This home is worth more than 25% 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$403,450
CheaperTypical $458,216Pricier

Pricier than 25% of homes nearby

Price per ft²$253
CheaperTypical $229Pricier

Pricier than 67% of homes nearby

Living area1,593 ft²
SmallerTypical 1,984 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.55 ac
SmallerTypical 0.49 acBigger

Bigger than 56% of homes nearby

Year built1983
OlderTypical 1999Newer

Newer than 36% of homes nearby

How 604 Blackwell Ave ranks against every home in each area.
MeasureThis homeManchaca 78652Travis County
Estimated valuepricier than$403,45025% of homes37% of homes
Price per ft²pricier than$25367% of homes44% of homes
Living areabigger than1,593 ft²22% of homes37% of homes
Lot sizebigger than0.55 ac56% of homes89% of homes
Year builtnewer than198336% of homes32% of homes

About 604 Blackwell Ave

How much is 604 Blackwell Ave, Manchaca, TX worth?

The TopHap Estimate for 604 Blackwell Ave, Manchaca, TX is $403,450 as of Aug 30, 2026. The likely range is $363,198 to $443,702. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 604 Blackwell Ave, Manchaca, TX last sell?

604 Blackwell Ave, Manchaca, TX last sold on Nov 21, 1984, according to the county's recorded deed.

How big is 604 Blackwell Ave, Manchaca, TX?

604 Blackwell Ave, Manchaca, TX has 2 bathrooms, 1,593 square feet of living space and a 0.55-acre lot.

When was 604 Blackwell Ave, Manchaca, TX built?

604 Blackwell Ave, Manchaca, TX was built in 1983, making it 43 years old. The building has 1 story.

What schools serve 604 Blackwell Ave, Manchaca, TX?

604 Blackwell Ave, 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 604 Blackwell Ave, Manchaca, TX compare to other homes in Manchaca 78652?

Among the 2,466 homes in Manchaca 78652, it is worth more than 25% of them ($403,450 against a typical $458,216), its price per square foot is higher than 67% of them ($253 against a typical $229), it is bigger than 22% of them (1,593 ft² against a typical 1,984 ft²), its lot is bigger than 56% of them (0.55 ac against a typical 0.49 ac) and it is newer than 36% of them (1983 against a typical 1999). Measured against all of Travis County, it is worth more than 37% 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 604 Blackwell Ave, Manchaca, TX?

The 2024 property tax bill for 604 Blackwell Ave, Manchaca, TX was $3,825. The county assessed it at $417,623.

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