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Residential - Vacant LandResidential
$554,650$616 / 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 71How 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

1803 N INTERSTATE 35

ROUND ROCK, TX 78664
0
Baths
900 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$555K
$391K low$718K 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.$554,650
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$443,720

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,432 (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.$286,782 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$286,782
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$286,782
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$286,782

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyTravis
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Wood Frame
HeatingThe type of heating system in the home.None
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 · 212 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Kealing Middle SchoolA
Middle · Grades 6–8 · 0.2 mi
E
Campbell Elementary SchoolC
Elementary · Grades PK–5 · 0.7 mi
H
McCallum High SchoolA-
High · Grades 9–12 · 3.6 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

1803 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 88% of homes in Round Rock 78664
  • Among the highest price per square foot in Round Rock 78664
  • Smaller than 97% of homes in Round Rock 78664
  • Has a bigger lot than 85% of homes in Central East Austin / East Side
  • Among the oldest homes in Travis County

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
$223K$898K

This home is worth more than 88% 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$554,650
CheaperTypical $336,998Pricier

Pricier than 88% of homes nearby

Price per ft²$616
CheaperTypical $199Pricier

Pricier than almost all homes nearby

Living area900 ft²
SmallerTypical 1,762 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 44% of homes nearby

Year built1920
OlderTypical 1998Newer

Older than almost all homes nearby

How 1803 N Interstate 35 ranks against every home in each area.
MeasureThis homeCentral East Austin / East SideRound Rock 78664Travis County
Estimated valuepricier than$554,65044% of homes88% of homes59% of homes
Price per ft²pricier than$61685% of homesalmost all homes93% of homes
Living areabigger than900 ft²27% of homes3% of homes6% of homes
Lot sizebigger than0.17 ac85% of homes44% of homes42% of homes
Year builtnewer than19209% of homesalmost no homesalmost no homes

About 1803 N Interstate 35

How much is 1803 N Interstate 35, Round Rock, TX worth?

The TopHap Estimate for 1803 N Interstate 35, Round Rock, TX is $554,650 as of Jul 14, 2026. The likely range is $391,258 to $718,042. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1803 N Interstate 35, Round Rock, TX last sell?

1803 N Interstate 35, Round Rock, TX last sold on Jun 2, 2021, according to the county's recorded deed.

How big is 1803 N Interstate 35, Round Rock, TX?

1803 N Interstate 35, Round Rock, TX has 900 square feet of living space and a 0.17-acre lot.

When was 1803 N Interstate 35, Round Rock, TX built?

1803 N Interstate 35, Round Rock, TX was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 1803 N Interstate 35, Round Rock, TX?

1803 N Interstate 35, Round Rock, TX is assigned to Kealing Middle School (middle), rated A; Campbell Elementary School (elementary), rated C; 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 1803 N Interstate 35, Round Rock, TX compare to other homes in Round Rock 78664?

Among the 16,991 homes in Round Rock 78664, it is worth more than 88% of them ($554,650 against a typical $336,998), its price per square foot is higher than almost all of them ($616 against a typical $199), it is bigger than 3% of them (900 ft² against a typical 1,762 ft²), its lot is bigger than 44% of them (0.17 ac against a typical 0.18 ac) and it is newer than almost none of them (1920 against a typical 1998). Measured against all of Travis County, it is worth more than 59% 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 1803 N Interstate 35, Round Rock, TX?

The 2024 property tax bill for 1803 N Interstate 35, Round Rock, TX was $7,432. The county assessed it at $286,782.

More homes on N Interstate 35

Closest homes

More homes in Round Rock 78664

Assigned schools

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