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Single Family ResidenceResidential
$565,717$204 / 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

121 RIVER TRL

CASTROVILLE, TX 78009
2
Baths
2,779 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
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

$566K
$528K low$603K 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.$445,717
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$356,574
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.22%
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.$120,000
SECURITY SERVICE FEDERAL CREDIT UNION · 5.65% · recorded May 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,213 (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.$429,860 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$61,370
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$368,490
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$413,782
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$429,860

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.64
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
71
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
99
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
43
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
100
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.minimal

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
CountyMEDINA
Lot (acres)The size of the land the home sits on, from county records.0.31
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 196 ft²Patio · 1,546 ft²Porch · 36 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
Castroville Elementary SchoolA
Elementary · Grades PK–5 · 0.8 mi
M
Medina Valley Middle SchoolB
Middle · Grades 6–8 · 3.5 mi
H
Medina Valley High SchoolC+
High · Grades 9–12 · 3.9 mi

District: Medina Valley Independent School District

Neighborhood · ZIP 78009These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
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.9,496
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.134 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,826
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,482
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

121 River Trl 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 84% of homes in Medina County
  • Costs more per square foot than 67% of homes in Medina County
  • Bigger than 88% of homes in Medina County
  • Has a smaller lot than 88% of homes in Castroville 78009

What homes are worth in Castroville 78009

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

This home
$154K$864K

This home is worth more than 65% of homes in Castroville 78009.

How it measures up in Castroville 78009

The dot is this home. The mark in the middle is the typical home in Castroville 78009.

Estimated value$565,717
CheaperTypical $451,419Pricier

Pricier than 65% of homes nearby

Price per ft²$204
CheaperTypical $202Pricier

Pricier than 52% of homes nearby

Living area2,779 ft²
SmallerTypical 1,989 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.31 ac
SmallerTypical 0.69 acBigger

Bigger than 12% of homes nearby

Year built1998
OlderTypical 2003Newer

Newer than 43% of homes nearby

How 121 River Trl ranks against every home in each area.
MeasureThis homeCastroville 78009Medina County
Estimated valuepricier than$565,71765% of homes84% of homes
Price per ft²pricier than$20452% of homes67% of homes
Living areabigger than2,779 ft²75% of homes88% of homes
Lot sizebigger than0.31 ac12% of homes29% of homes
Year builtnewer than199843% of homes45% of homes

About 121 River Trl

How much is 121 River Trl, Castroville, TX worth?

The TopHap Estimate for 121 River Trl, Castroville, TX is $565,717 as of Jul 14, 2026. The likely range is $528,401 to $603,033. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 River Trl, Castroville, TX last sell?

121 River Trl, Castroville, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 121 River Trl, Castroville, TX?

121 River Trl, Castroville, TX has 2 bathrooms, 2,779 square feet of living space and a 0.31-acre lot.

When was 121 River Trl, Castroville, TX built?

121 River Trl, Castroville, TX was built in 1998, making it 28 years old. The building has 2 stories.

What schools serve 121 River Trl, Castroville, TX?

121 River Trl, Castroville, TX is assigned to Castroville Elementary School (elementary), rated A; Medina Valley Middle School (middle), rated B; Medina Valley High School (high), rated C+. All sit in Medina Valley Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 River Trl, Castroville, TX compare to other homes in Castroville 78009?

Among the 3,885 homes in Castroville 78009, it is worth more than 65% of them ($565,717 against a typical $451,419), its price per square foot is higher than 52% of them ($204 against a typical $202), it is bigger than 75% of them (2,779 ft² against a typical 1,989 ft²), its lot is bigger than 12% of them (0.31 ac against a typical 0.69 ac) and it is newer than 43% of them (1998 against a typical 2003). Measured against all of Medina County, it is worth more than 84% 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 121 River Trl, Castroville, TX?

The 2025 property tax bill for 121 River Trl, Castroville, TX was $8,213. The county assessed it at $429,860.

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