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Single Family ResidenceResidential
$424,454$237 / 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 Aug 30, 2026

621 RIVER OAKS DR

AUSTIN, TX 78748
2
Baths
1,793 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.
0.43 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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$424K
$384K low$465K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,152 (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.$423,681 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$429,917
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$159,806
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$385,165
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$589,723

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.46 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.0.2 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.Single Family Residence
CountyTravis
Lot (acres)The size of the land the home sits on, from county records.0.43
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 · 397 ft²

Transaction History(1)

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
Akins High SchoolC
High · Grades 9–12 · 1.0 mi
E
Menchaca Elementary SchoolC-
Elementary · Grades PK–5 · 1.3 mi
M
Paredes Middle SchoolD
Middle · Grades 6–8 · 1.3 mi

District: Austin Independent School District

Neighborhood · ZIP 78748These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.75
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.53,084
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,979 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,239
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,540
Average tempThe average temperature here across a full year.68°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%

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

621 River Oaks 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.

  • Has a bigger lot than 94% of homes in Austin 78748
  • Older than 92% of homes in Austin 78748

What homes are worth in Austin 78748

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

This home
$275K$835K

This home is worth more than 51% of homes in Austin 78748.

How it measures up in Austin 78748

The dot is this home. The mark in the middle is the typical home in Austin 78748.

Estimated value$424,454
CheaperTypical $421,737Pricier

Pricier than 51% of homes nearby

Price per ft²$237
CheaperTypical $242Pricier

Pricier than 46% of homes nearby

Living area1,793 ft²
SmallerTypical 1,786 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.43 ac
SmallerTypical 0.17 acBigger

Bigger than 94% of homes nearby

Year built1977
OlderTypical 2000Newer

Newer than 8% of homes nearby

How 621 River Oaks Dr ranks against every home in each area.
MeasureThis homeAustin 78748Travis County
Estimated valuepricier than$424,45451% of homes38% of homes
Price per ft²pricier than$23746% of homes36% of homes
Living areabigger than1,793 ft²50% of homes47% of homes
Lot sizebigger than0.43 ac94% of homes86% of homes
Year builtnewer than19778% of homes22% of homes

About 621 River Oaks Dr

How much is 621 River Oaks Dr, Austin, TX worth?

The TopHap Estimate for 621 River Oaks Dr, Austin, TX is $424,454 as of Aug 30, 2026. The likely range is $384,226 to $464,682. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 River Oaks Dr, Austin, TX last sell?

621 River Oaks Dr, Austin, TX last sold on Apr 6, 1977, according to the county's recorded deed.

How big is 621 River Oaks Dr, Austin, TX?

621 River Oaks Dr, Austin, TX has 2 bathrooms, 1,793 square feet of living space and a 0.43-acre lot.

When was 621 River Oaks Dr, Austin, TX built?

621 River Oaks Dr, Austin, TX was built in 1977, making it 49 years old. The building has 1 story.

What schools serve 621 River Oaks Dr, Austin, TX?

621 River Oaks Dr, Austin, TX is assigned to Akins High School (high), rated C; Menchaca Elementary School (elementary), 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 621 River Oaks Dr, Austin, TX compare to other homes in Austin 78748?

Among the 16,982 homes in Austin 78748, it is worth more than 51% of them ($424,454 against a typical $421,737), its price per square foot is higher than 46% of them ($237 against a typical $242), it is bigger than 50% of them (1,793 ft² against a typical 1,786 ft²), its lot is bigger than 94% of them (0.43 ac against a typical 0.17 ac) and it is newer than 8% of them (1977 against a typical 2000). Measured against all of Travis County, it is worth more than 38% 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 621 River Oaks Dr, Austin, TX?

The 2024 property tax bill for 621 River Oaks Dr, Austin, TX was $2,152. The county assessed it at $423,681.

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