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Single Family ResidenceResidential
$360,954$119 / 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 Jul 14, 2026
Last sold for $250,000 on May 22, 2015

3121 MASON CRK

SCHERTZ, TX 78154
7
Beds
5.5
Baths
3,022 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.
2010
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

$361K
$342K low$380K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · May 22, 2015
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.$160,954
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$128,763
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.52%
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.$200,000
USAA · recorded May 22, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,015 (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.$383,133 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$54,304
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$335,266
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$348,303
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$389,570

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyGUADALUPE
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 2,144 ft²Porch · 120 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
Sippel Elementary SchoolB
Elementary · Grades PK–4 · 0.6 mi
H
Steele High SchoolB+
High · Grades 9–12 · 3.4 mi
M
Dobie Junior High SchoolB
Middle · Grades 7–8 · 3.8 mi

District: Schertz-Cibolo-Universal City Independent School District

Neighborhood · ZIP 78154These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
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.1.2%
PopulationHow many people live in this area.46,929
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,407 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,962
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,029
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

3121 Mason Crk 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 71% of homes in Guadalupe County
  • Costs less per square foot than 93% of homes in Schertz 78154
  • Bigger than 91% of homes in Guadalupe County
  • Newer than 74% of homes in Schertz 78154

What homes are worth in Schertz 78154

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

This home
$169K$667K

This home is worth more than 68% of homes in Schertz 78154.

How it measures up in Schertz 78154

The dot is this home. The mark in the middle is the typical home in Schertz 78154.

Estimated value$360,954
CheaperTypical $310,549Pricier

Pricier than 68% of homes nearby

Price per ft²$119
CheaperTypical $155Pricier

Pricier than 7% of homes nearby

Living area3,022 ft²
SmallerTypical 2,062 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 43% of homes nearby

Year built2010
OlderTypical 2003Newer

Newer than 74% of homes nearby

How 3121 Mason Crk ranks against every home in each area.
MeasureThis homeSchertz 78154Guadalupe County
Estimated valuepricier than$360,95468% of homes71% of homes
Price per ft²pricier than$1197% of homes8% of homes
Living areabigger than3,022 ft²88% of homes91% of homes
Lot sizebigger than0.17 ac43% of homes43% of homes
Year builtnewer than201074% of homes58% of homes

About 3121 Mason Crk

How much is 3121 Mason Crk, Schertz, TX worth?

The TopHap Estimate for 3121 Mason Crk, Schertz, TX is $360,954 as of Jul 14, 2026. The likely range is $341,666 to $380,242. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3121 Mason Crk, Schertz, TX last sell?

3121 Mason Crk, Schertz, TX last sold on May 22, 2015 for $250,000, according to the county's recorded deed.

How big is 3121 Mason Crk, Schertz, TX?

3121 Mason Crk, Schertz, TX has 7 bedrooms, 5.5 bathrooms, 3,022 square feet of living space and a 0.17-acre lot.

When was 3121 Mason Crk, Schertz, TX built?

3121 Mason Crk, Schertz, TX was built in 2010, making it 16 years old. The building has 2 stories.

What schools serve 3121 Mason Crk, Schertz, TX?

3121 Mason Crk, Schertz, TX is assigned to Sippel Elementary School (elementary), rated B; Steele High School (high), rated B+; Dobie Junior High School (middle), rated B. All sit in Schertz-Cibolo-Universal City Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3121 Mason Crk, Schertz, TX compare to other homes in Schertz 78154?

Among the 18,272 homes in Schertz 78154, it is worth more than 68% of them ($360,954 against a typical $310,549), its price per square foot is higher than 7% of them ($119 against a typical $155), it is bigger than 88% of them (3,022 ft² against a typical 2,062 ft²), its lot is bigger than 43% of them (0.17 ac against a typical 0.18 ac) and it is newer than 74% of them (2010 against a typical 2003). Measured against all of Guadalupe County, it is worth more than 71% 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 3121 Mason Crk, Schertz, TX?

The 2025 property tax bill for 3121 Mason Crk, Schertz, TX was $5,015. The county assessed it at $383,133.

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Assigned schools

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