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Single Family ResidenceResidential
$470,845$259 / 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 93How 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

18316 ROUNDROCK RD

JONESTOWN, TX 78645
3
Beds
3 / 1
Baths
1,817 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
2022
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$471K
$439K low$503K 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.$91,845
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$73,476
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.82%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$379,000
NAVY FCU · recorded Feb 1, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,142 (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.$512,310 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$81,528
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$430,782
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$538,941
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$512,310

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
52
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
98
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
45
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.0.14
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Fiberglass
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, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 222 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.

E
Mason Elementary SchoolB
Elementary · Grades KG–5 · 3.9 mi
H
Cedar Park High SchoolA
High · Grades 9–12 · 4.8 mi
M
Cedar Park Middle SchoolA
Middle · Grades 6–8 · 5.1 mi

District: Leander Independent School District

Neighborhood · ZIP 78645These 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.143
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 100.15

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.13,765
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.361 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,227
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,142
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.33 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.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

18316 Roundrock Rd 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 smaller lot than 89% of homes in Leander 78645
  • Newer than 97% of homes in Travis County

What homes are worth in Leander 78645

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

This home
$166K$2.3M

This home is worth more than 52% of homes in Leander 78645.

How it measures up in Leander 78645

The dot is this home. The mark in the middle is the typical home in Leander 78645.

Estimated value$470,845
CheaperTypical $460,398Pricier

Pricier than 52% of homes nearby

Price per ft²$259
CheaperTypical $241Pricier

Pricier than 61% of homes nearby

Living area1,817 ft²
SmallerTypical 1,889 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.14 ac
SmallerTypical 0.28 acBigger

Bigger than 11% of homes nearby

Year built2022
OlderTypical 2004Newer

Newer than 95% of homes nearby

How 18316 Roundrock Rd ranks against every home in each area.
MeasureThis homeLeander 78645Travis County
Estimated valuepricier than$470,84552% of homes48% of homes
Price per ft²pricier than$25961% of homes45% of homes
Living areabigger than1,817 ft²45% of homes48% of homes
Lot sizebigger than0.14 ac11% of homes23% of homes
Year builtnewer than202295% of homes97% of homes

About 18316 Roundrock Rd

How much is 18316 Roundrock Rd, Jonestown, TX worth?

The TopHap Estimate for 18316 Roundrock Rd, Jonestown, TX is $470,845 as of Jul 14, 2026. The likely range is $438,519 to $503,171. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18316 Roundrock Rd, Jonestown, TX last sell?

18316 Roundrock Rd, Jonestown, TX last sold on Feb 1, 2024, according to the county's recorded deed.

How big is 18316 Roundrock Rd, Jonestown, TX?

18316 Roundrock Rd, Jonestown, TX has 3 bedrooms, 3 bathrooms, 1,817 square feet of living space and a 0.14-acre lot.

When was 18316 Roundrock Rd, Jonestown, TX built?

18316 Roundrock Rd, Jonestown, TX was built in 2022, making it 4 years old. The building has 2 stories.

What schools serve 18316 Roundrock Rd, Jonestown, TX?

18316 Roundrock Rd, Jonestown, TX is assigned to Mason Elementary School (elementary), rated B; Cedar Park High School (high), rated A; Cedar Park Middle School (middle), rated A. All sit in Leander Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18316 Roundrock Rd, Jonestown, TX compare to other homes in Leander 78645?

Among the 9,551 homes in Leander 78645, it is worth more than 52% of them ($470,845 against a typical $460,398), its price per square foot is higher than 61% of them ($259 against a typical $241), it is bigger than 45% of them (1,817 ft² against a typical 1,889 ft²), its lot is bigger than 11% of them (0.14 ac against a typical 0.28 ac) and it is newer than 95% of them (2022 against a typical 2004). Measured against all of Travis County, it is worth more than 48% 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 18316 Roundrock Rd, Jonestown, TX?

The 2024 property tax bill for 18316 Roundrock Rd, Jonestown, TX was $10,142. The county assessed it at $512,310.

Closest homes

More homes in Jonestown 78645

Assigned schools

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