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Single Family ResidenceResidential
$336,945$215 / 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 90How 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

8400 HAMMETTS XING

ROUND MOUNTAIN, TX 78663
2
Baths
1,568 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.
4.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$337K
$304K low$370K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,667 (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.$370,520 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$478,519
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$348,228
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$308,767
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$826,747

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.4.70
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.Pier/Post & Beam
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
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
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 · 20 ft²Patio · 200 ft²Porch · 345 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
Dripping Springs Elementary SchoolA
Elementary · Grades PK–5 · 9.9 mi
M
Dripping Springs Middle SchoolA-
Middle · Grades 6–8 · 10.3 mi
H
Dripping Springs High SchoolB
High · Grades 9–12 · 10.8 mi

District: Dripping Springs Independent School District

Neighborhood · ZIP 78663These 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.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.78%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.1,238
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,216
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,274
Average tempThe average temperature here across a full year.66°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%

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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

8400 Hammetts Xing 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.

  • Among the least valuable homes in Round Mountain 78663
  • Costs less per square foot than 98% of homes in Round Mountain 78663
  • Smaller than 70% of homes in Round Mountain 78663
  • Has a bigger lot than 98% of homes in Travis County
  • Older than 86% of homes in Round Mountain 78663

What homes are worth in Round Mountain 78663

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

This home
$373K$2.5M

This home is worth less than almost all homes in Round Mountain 78663.

How it measures up in Round Mountain 78663

The dot is this home. The mark in the middle is the typical home in Round Mountain 78663.

Estimated value$336,945
CheaperTypical $1,005,561Pricier

Cheaper than almost all homes nearby

Price per ft²$215
CheaperTypical $424Pricier

Pricier than 2% of homes nearby

Living area1,568 ft²
SmallerTypical 2,128 ft²Bigger

Bigger than 30% of homes nearby

Lot size4.7 ac
SmallerTypical 7.51 acBigger

Bigger than 20% of homes nearby

Year built1986
OlderTypical 2008Newer

Newer than 14% of homes nearby

How 8400 Hammetts Xing ranks against every home in each area.
MeasureThis homeRound Mountain 78663Travis County
Estimated valuepricier than$336,945almost no homes21% of homes
Price per ft²pricier than$2152% of homes28% of homes
Living areabigger than1,568 ft²30% of homes35% of homes
Lot sizebigger than4.7 ac20% of homes98% of homes
Year builtnewer than198614% of homes38% of homes

About 8400 Hammetts Xing

How much is 8400 Hammetts Xing, Round Mountain, TX worth?

The TopHap Estimate for 8400 Hammetts Xing, Round Mountain, TX is $336,945 as of Jul 14, 2026. The likely range is $303,878 to $370,012. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8400 Hammetts Xing, Round Mountain, TX last sell?

8400 Hammetts Xing, Round Mountain, TX last sold on Feb 2, 2009, according to the county's recorded deed.

How big is 8400 Hammetts Xing, Round Mountain, TX?

8400 Hammetts Xing, Round Mountain, TX has 2 bathrooms, 1,568 square feet of living space and a 4.70-acre lot.

When was 8400 Hammetts Xing, Round Mountain, TX built?

8400 Hammetts Xing, Round Mountain, TX was built in 1986, making it 40 years old. The building has 2 stories.

What schools serve 8400 Hammetts Xing, Round Mountain, TX?

8400 Hammetts Xing, Round Mountain, TX is assigned to Dripping Springs Elementary School (elementary), rated A; Dripping Springs Middle School (middle), rated A-; Dripping Springs High School (high), rated B. All sit in Dripping Springs Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8400 Hammetts Xing, Round Mountain, TX compare to other homes in Round Mountain 78663?

Among the 471 homes in Round Mountain 78663, it is worth more than almost none of them ($336,945 against a typical $1,005,561), its price per square foot is higher than 2% of them ($215 against a typical $424), it is bigger than 30% of them (1,568 ft² against a typical 2,128 ft²), its lot is bigger than 20% of them (4.7 ac against a typical 7.51 ac) and it is newer than 14% of them (1986 against a typical 2008). Measured against all of Travis County, it is worth more than 21% 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 8400 Hammetts Xing, Round Mountain, TX?

The 2024 property tax bill for 8400 Hammetts Xing, Round Mountain, TX was $1,667. The county assessed it at $370,520.

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