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Single Family ResidenceResidential
$377,924$145 / 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

521 MOSSY ROCK DR

HUTTO, TX 78634
4
Beds
3 / 1
Baths
2,612 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.
2019
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$378K
$359K low$397K 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.$22,924
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$18,339
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.94%
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.$355,000
LOANDEPOT.COM LLC · recorded Apr 22, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,554 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$416,342 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$81,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$335,342
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$416,342
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$416,342

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.32 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.0.2 percent flood zone

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
CountyWilliamson
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2021
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
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.Patio · 400 ft²Porch · 236 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.

M
Farley Middle SchoolC+
Middle · Grades 6–8 · 0.9 mi
E
Hutto Elementary SchoolB+
Elementary · Grades PK–5 · 1.6 mi
H
Hutto High SchoolC
High · Grades 10–12 · 1.7 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.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

521 Mossy Rock Dr 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 75% of homes in Hutto 78634
  • Costs less per square foot than 94% of homes in Williamson County
  • Bigger than 84% of homes in Hutto 78634
  • Newer than 79% 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$745K

This home is worth more than 75% 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$377,924
CheaperTypical $328,005Pricier

Pricier than 75% of homes nearby

Price per ft²$145
CheaperTypical $170Pricier

Pricier than 16% of homes nearby

Living area2,612 ft²
SmallerTypical 1,956 ft²Bigger

Bigger than 84% of homes nearby

Year built2019
OlderTypical 2014Newer

Newer than 67% of homes nearby

How 521 Mossy Rock Dr ranks against every home in each area.
MeasureThis homeHutto 78634Williamson County
Estimated valuepricier than$377,92475% of homes41% of homes
Price per ft²pricier than$14516% of homes6% of homes
Living areabigger than2,612 ft²84% of homes72% of homes
Year builtnewer than201967% of homes79% of homes

About 521 Mossy Rock Dr

How much is 521 Mossy Rock Dr, Hutto, TX worth?

The TopHap Estimate for 521 Mossy Rock Dr, Hutto, TX is $377,924 as of Jun 23, 2026. The likely range is $359,027 to $396,820. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Mossy Rock Dr, Hutto, TX last sell?

521 Mossy Rock Dr, Hutto, TX last sold on Mar 13, 2020, according to the county's recorded deed.

How big is 521 Mossy Rock Dr, Hutto, TX?

521 Mossy Rock Dr, Hutto, TX has 4 bedrooms, 3 bathrooms and 2,612 square feet of living space.

When was 521 Mossy Rock Dr, Hutto, TX built?

521 Mossy Rock Dr, Hutto, TX was built in 2019, making it 7 years old. The building has 2 stories.

What schools serve 521 Mossy Rock Dr, Hutto, TX?

521 Mossy Rock Dr, Hutto, TX is assigned to Farley Middle School (middle), rated C+; Hutto Elementary School (elementary), rated B+; Hutto High School (high), rated C. All sit in Hutto Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Mossy Rock Dr, Hutto, TX compare to other homes in Hutto 78634?

Among the 17,116 homes in Hutto 78634, it is worth more than 75% of them ($377,924 against a typical $328,005), its price per square foot is higher than 16% of them ($145 against a typical $170), it is bigger than 84% of them (2,612 ft² against a typical 1,956 ft²) and it is newer than 67% of them (2019 against a typical 2014). Measured against all of Williamson County, it is worth more than 41% 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 521 Mossy Rock Dr, Hutto, TX?

The 2025 property tax bill for 521 Mossy Rock Dr, Hutto, TX was $8,554. The county assessed it at $416,342.

Closest homes

More homes in Hutto 78634

Assigned schools

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