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Single Family ResidenceResidential
$851,097$1,043 / 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 57How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

817 N INTERSTATE 35

ROUND ROCK, TX 78664
1
Baths
816 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$851K
$485K low$1.2M high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$851,097
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$680,878

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,891 (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.$565,228 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$495,209
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,019
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$600,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$565,228

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.8 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.0.11
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 204 ft²Porch · 28 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
Lee Elementary SchoolA+
Elementary · Grades KG–6 · 0.2 mi
M
Kealing Middle SchoolA
Middle · Grades 6–8 · 1.4 mi
H
McCallum High SchoolA-
High · Grades 9–12 · 2.5 mi

District: Austin Independent School District

Neighborhood · ZIP 78664These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
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.72,016
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,336 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,209
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,122
Average tempThe average temperature here across a full year.67°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

817 N Interstate 35 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 Round Rock 78664
  • Among the highest price per square foot in Round Rock 78664
  • Among the smallest homes in Round Rock 78664
  • Has a smaller lot than 93% of homes in Round Rock 78664
  • Older than 98% of homes in Round Rock 78664

What homes are worth in Round Rock 78664

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

This home
$228K$890K

This home is worth more than 97% of homes in Round Rock 78664.

How it measures up in Round Rock 78664

The dot is this home. The mark in the middle is the typical home in Round Rock 78664.

Estimated value$851,097
CheaperTypical $337,775Pricier

Pricier than 97% of homes nearby

Price per ft²$1043
CheaperTypical $199Pricier

Pricier than almost all homes nearby

Living area816 ft²
SmallerTypical 1,764 ft²Bigger

Smaller than almost all homes nearby

Lot size0.11 ac
SmallerTypical 0.18 acBigger

Bigger than 7% of homes nearby

Year built1947
OlderTypical 1998Newer

Newer than 2% of homes nearby

How 817 N Interstate 35 ranks against every home in each area.
MeasureThis homeHancockRound Rock 78664Travis County
Estimated valuepricier than$851,09766% of homes97% of homes79% of homes
Price per ft²pricier than$1043almost all homesalmost all homesalmost all homes
Living areabigger than816 ft²16% of homesalmost no homes4% of homes
Lot sizebigger than0.11 ac25% of homes7% of homes15% of homes
Year builtnewer than194755% of homes2% of homes3% of homes

About 817 N Interstate 35

How much is 817 N Interstate 35, Round Rock, TX worth?

The TopHap Estimate for 817 N Interstate 35, Round Rock, TX is $851,097 as of Jul 14, 2026. The likely range is $484,737 to $1,217,457. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 817 N Interstate 35, Round Rock, TX last sell?

817 N Interstate 35, Round Rock, TX last sold on May 23, 2016, according to the county's recorded deed.

How big is 817 N Interstate 35, Round Rock, TX?

817 N Interstate 35, Round Rock, TX has 1 bathrooms, 816 square feet of living space and a 0.11-acre lot.

When was 817 N Interstate 35, Round Rock, TX built?

817 N Interstate 35, Round Rock, TX was built in 1947, making it 79 years old. The building has 1 story.

What schools serve 817 N Interstate 35, Round Rock, TX?

817 N Interstate 35, Round Rock, TX is assigned to Lee Elementary School (elementary), rated A+; Kealing Middle School (middle), rated A; McCallum High School (high), rated A-. All sit in Austin Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 817 N Interstate 35, Round Rock, TX compare to other homes in Round Rock 78664?

Among the 16,964 homes in Round Rock 78664, it is worth more than 97% of them ($851,097 against a typical $337,775), its price per square foot is higher than almost all of them ($1043 against a typical $199), it is bigger than almost none of them (816 ft² against a typical 1,764 ft²), its lot is bigger than 7% of them (0.11 ac against a typical 0.18 ac) and it is newer than 2% of them (1947 against a typical 1998). Measured against all of Travis County, it is worth more than 79% 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 817 N Interstate 35, Round Rock, TX?

The 2024 property tax bill for 817 N Interstate 35, Round Rock, TX was $11,891. The county assessed it at $565,228.

Closest homes

More homes in Round Rock 78664

Assigned schools

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