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Single Family ResidenceResidential
$358,727$241 / 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

645 MAIRO ST

AUSTIN, TX 78748
2
Baths
1,486 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.
0.27 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

$359K
$346K low$371K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,364 (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.$378,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$239,373
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$138,727
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$407,617
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$378,100

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.15 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.minimal

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.0.27
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.Deck · 200 ft²Patio · 392 ft²Porch · 20 ft²

Transaction History(4)

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
Williams Elementary SchoolC
Elementary · Grades EE–5 · 0.3 mi
M
Bedichek Middle SchoolD-
Middle · Grades 6–8 · 1.1 mi
H
Crockett High SchoolD
High · Grades 9–12 · 2.2 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

645 Mairo St 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 73% of homes in Travis County
  • Smaller than 70% of homes in Austin 78748
  • Has a bigger lot than 84% of homes in Austin 78748
  • Older than 91% 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
$266K$835K

This home is worth more than 29% 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$358,727
CheaperTypical $404,154Pricier

Pricier than 29% of homes nearby

Price per ft²$241
CheaperTypical $237Pricier

Pricier than 54% of homes nearby

Living area1,486 ft²
SmallerTypical 1,792 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.27 ac
SmallerTypical 0.16 acBigger

Bigger than 84% of homes nearby

Year built1979
OlderTypical 2000Newer

Newer than 9% of homes nearby

How 645 Mairo St ranks against every home in each area.
MeasureThis homeAustin 78748Travis County
Estimated valuepricier than$358,72729% of homes27% of homes
Price per ft²pricier than$24154% of homes40% of homes
Living areabigger than1,486 ft²30% of homes31% of homes
Lot sizebigger than0.27 ac84% of homes76% of homes
Year builtnewer than19799% of homes25% of homes

About 645 Mairo St

How much is 645 Mairo St, Austin, TX worth?

The TopHap Estimate for 645 Mairo St, Austin, TX is $358,727 as of Sep 24, 2026. The likely range is $346,053 to $371,401. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 645 Mairo St, Austin, TX last sell?

645 Mairo St, Austin, TX last sold on Jan 18, 2022, according to the county's recorded deed.

How big is 645 Mairo St, Austin, TX?

645 Mairo St, Austin, TX has 2 bathrooms, 1,486 square feet of living space and a 0.27-acre lot.

When was 645 Mairo St, Austin, TX built?

645 Mairo St, Austin, TX was built in 1979, making it 47 years old. The building has 1 story.

What schools serve 645 Mairo St, Austin, TX?

645 Mairo St, Austin, TX is assigned to Williams Elementary School (elementary), rated C; Bedichek Middle School (middle), rated D-; Crockett High School (high), rated D. All sit in Austin Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 Mairo St, Austin, TX compare to other homes in Austin 78748?

Among the 16,967 homes in Austin 78748, it is worth more than 29% of them ($358,727 against a typical $404,154), its price per square foot is higher than 54% of them ($241 against a typical $237), it is bigger than 30% of them (1,486 ft² against a typical 1,792 ft²), its lot is bigger than 84% of them (0.27 ac against a typical 0.16 ac) and it is newer than 9% of them (1979 against a typical 2000). Measured against all of Travis County, it is worth more than 27% 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 645 Mairo St, Austin, TX?

The 2024 property tax bill for 645 Mairo St, Austin, TX was $6,364. The county assessed it at $378,100.

More homes on Mairo St

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More homes in Austin 78748

Assigned schools

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