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Single Family ResidenceResidential
$827,692$371 / 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 Sep 24, 2026

4821 ROUNDUP TRL

AUSTIN, TX 78745
2
Baths
2,232 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$828K
$791K low$864K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,002 (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.$774,094 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$345,938
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$428,156
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$721,686
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$774,094

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.0.34
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.Patio · 234 ft²Porch · 138 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
Joslin Elementary School
Elementary · Grades EE–5 · 0.3 mi
H
Crockett High SchoolC-
High · Grades 9–12 · 0.7 mi
M
Covington Middle SchoolB
Middle · Grades 6–8 · 2.6 mi

District: Austin Independent School District

Neighborhood · ZIP 78745These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.95%
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.10%
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.62,580
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,557 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,633
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,954
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

4821 Roundup Trl 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 97% of homes in Austin 78745
  • Costs more per square foot than 85% of homes in Austin 78745
  • Bigger than 92% of homes in Austin 78745
  • Has a bigger lot than 94% of homes in Austin 78745
  • Older than 93% of homes in Austin 78745

What homes are worth in Austin 78745

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

This home
$206K$972K

This home is worth more than 97% of homes in Austin 78745.

How it measures up in Austin 78745

The dot is this home. The mark in the middle is the typical home in Austin 78745.

Estimated value$827,692
CheaperTypical $429,952Pricier

Pricier than 97% of homes nearby

Price per ft²$371
CheaperTypical $307Pricier

Pricier than 85% of homes nearby

Living area2,232 ft²
SmallerTypical 1,436 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.34 ac
SmallerTypical 0.17 acBigger

Bigger than 94% of homes nearby

Year built1959
OlderTypical 1978Newer

Newer than 7% of homes nearby

How 4821 Roundup Trl ranks against every home in each area.
MeasureThis homeWestgateAustin 78745Travis County
Estimated valuepricier than$827,69289% of homes97% of homes78% of homes
Price per ft²pricier than$37144% of homes85% of homes75% of homes
Living areabigger than2,232 ft²82% of homes92% of homes66% of homes
Lot sizebigger than0.34 ac89% of homes94% of homes82% of homes
Year builtnewer than195917% of homes7% of homes8% of homes

About 4821 Roundup Trl

How much is 4821 Roundup Trl, Austin, TX worth?

The TopHap Estimate for 4821 Roundup Trl, Austin, TX is $827,692 as of Sep 24, 2026. The likely range is $791,145 to $864,239. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4821 Roundup Trl, Austin, TX last sell?

4821 Roundup Trl, Austin, TX last sold on Jan 18, 2022, according to the county's recorded deed.

How big is 4821 Roundup Trl, Austin, TX?

4821 Roundup Trl, Austin, TX has 2 bathrooms, 2,232 square feet of living space and a 0.34-acre lot.

When was 4821 Roundup Trl, Austin, TX built?

4821 Roundup Trl, Austin, TX was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 4821 Roundup Trl, Austin, TX?

4821 Roundup Trl, Austin, TX is assigned to Joslin Elementary School (elementary); Crockett High School (high), rated C-; Covington Middle School (middle), rated B. All sit in Austin Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4821 Roundup Trl, Austin, TX compare to other homes in Austin 78745?

Among the 18,215 homes in Austin 78745, it is worth more than 97% of them ($827,692 against a typical $429,952), its price per square foot is higher than 85% of them ($371 against a typical $307), it is bigger than 92% of them (2,232 ft² against a typical 1,436 ft²), its lot is bigger than 94% of them (0.34 ac against a typical 0.17 ac) and it is newer than 7% of them (1959 against a typical 1978). Measured against all of Travis County, it is worth more than 78% 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 4821 Roundup Trl, Austin, TX?

The 2024 property tax bill for 4821 Roundup Trl, Austin, TX was $12,002. The county assessed it at $774,094.

More homes on Roundup Trl

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