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Single Family ResidenceResidential
$328,801$168 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 23, 2026

138 SULPHUR RIVER LOOP

HUTTO, TX 78634
4
Beds
2
Baths
1,956 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
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

$329K
$312K low$345K 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.$328,801
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$263,041

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,613 (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.$357,737 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$78,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$279,737
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$352,295
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$357,737

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWILLIAMSON
Lot (acres)The size of the land the home sits on, from county records.0.15
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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 · 240 ft²

Transaction History(2)

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
Howard Norman Elementary SchoolB
Elementary · Grades KG–5 · 0.7 mi
H
Hutto High SchoolC
High · Grades 10–12 · 1.8 mi
M
Gus Almquist Middle School
Middle · Grades 6–8 · 2.9 mi

District: Hutto Independent School District

Neighborhood · ZIP 78634These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
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.50,878
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.821 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,877
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,916
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.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

138 Sulphur River Loop 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 76% of homes in Williamson County
  • Costs less per square foot than 81% of homes in Williamson County
  • Has a smaller lot than 78% of homes in Hutto 78634
  • Newer than 75% of homes in Williamson County

What homes are worth in Hutto 78634

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

This home
$237K$754K

This home is worth more than 51% of homes in Hutto 78634.

How it measures up in Hutto 78634

The dot is this home. The mark in the middle is the typical home in Hutto 78634.

Estimated value$328,801
CheaperTypical $327,632Pricier

Pricier than 51% of homes nearby

Price per ft²$168
CheaperTypical $170Pricier

Pricier than 46% of homes nearby

Living area1,956 ft²
SmallerTypical 1,955 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.16 ac
SmallerTypical 0.18 acBigger

Bigger than 22% of homes nearby

Year built2018
OlderTypical 2014Newer

Newer than 63% of homes nearby

How 138 Sulphur River Loop ranks against every home in each area.
MeasureThis homeHutto 78634Williamson County
Estimated valuepricier than$328,80151% of homes24% of homes
Price per ft²pricier than$16846% of homes19% of homes
Living areabigger than1,956 ft²50% of homes42% of homes
Lot sizebigger than0.16 ac22% of homes24% of homes
Year builtnewer than201863% of homes75% of homes

About 138 Sulphur River Loop

How much is 138 Sulphur River Loop, Hutto, TX worth?

The TopHap Estimate for 138 Sulphur River Loop, Hutto, TX is $328,801 as of Jun 23, 2026. The likely range is $312,360 to $345,241. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 138 Sulphur River Loop, Hutto, TX last sell?

138 Sulphur River Loop, Hutto, TX last sold on Apr 16, 2021, according to the county's recorded deed.

How big is 138 Sulphur River Loop, Hutto, TX?

138 Sulphur River Loop, Hutto, TX has 4 bedrooms, 2 bathrooms, 1,956 square feet of living space and a 0.15-acre lot.

When was 138 Sulphur River Loop, Hutto, TX built?

138 Sulphur River Loop, Hutto, TX was built in 2018, making it 8 years old. The building has 1 story.

What schools serve 138 Sulphur River Loop, Hutto, TX?

138 Sulphur River Loop, Hutto, TX is assigned to Howard Norman Elementary School (elementary), rated B; Hutto High School (high), rated C; Gus Almquist Middle School (middle). All sit in Hutto Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 138 Sulphur River Loop, Hutto, TX compare to other homes in Hutto 78634?

Among the 17,115 homes in Hutto 78634, it is worth more than 51% of them ($328,801 against a typical $327,632), its price per square foot is higher than 46% of them ($168 against a typical $170), it is bigger than 50% of them (1,956 ft² against a typical 1,955 ft²), its lot is bigger than 22% of them (0.16 ac against a typical 0.18 ac) and it is newer than 63% of them (2018 against a typical 2014). Measured against all of Williamson County, it is worth more than 24% 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 138 Sulphur River Loop, Hutto, TX?

The 2024 property tax bill for 138 Sulphur River Loop, Hutto, TX was $7,613. The county assessed it at $357,737.

Closest homes

More homes in Hutto 78634

Assigned schools

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