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Single Family ResidenceResidential
$694,877$378 / 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 81How 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

870 COTTONSEED RUN

MARTINDALE, TX 78655
0
Baths
1,840 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.
2.78 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$695K
$566K low$824K 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.$694,877
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$555,902

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$806 (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.$454,406 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$330,256
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$173,185
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$413,096
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$503,441

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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1 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
CountyGUADALUPE
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 180 ft²Patio · 40 ft²Porch · 40 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
DeZavala Elementary SchoolD+
Elementary · Grades KG–5 · 4.3 mi
M
Goodnight Middle SchoolC-
Middle · Grades 6–8 · 4.4 mi
H
San Marcos High SchoolC-
High · Grades 9–12 · 5.7 mi

District: San Marcos Consolidated Independent School District

Neighborhood · ZIP 78655These 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.152
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 100.18

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
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.4,721
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.114 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,449
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,316
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

870 Cottonseed Run 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 98% of homes in Guadalupe County
  • Costs more per square foot than 98% of homes in Guadalupe County
  • Bigger than 66% of homes in Martindale 78655
  • Has a bigger lot than 95% of homes in Guadalupe County
  • Older than 76% of homes in Guadalupe County

What homes are worth in Martindale 78655

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

This home
$135K$1M

This home is worth more than 87% of homes in Martindale 78655.

How it measures up in Martindale 78655

The dot is this home. The mark in the middle is the typical home in Martindale 78655.

Estimated value$694,877
CheaperTypical $360,736Pricier

Pricier than 87% of homes nearby

Price per ft²$378
CheaperTypical $233Pricier

Pricier than 89% of homes nearby

Living area1,840 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 66% of homes nearby

Lot size2.78 ac
SmallerTypical 0.81 acBigger

Bigger than 84% of homes nearby

Year built1992
OlderTypical 1994Newer

Newer than 47% of homes nearby

How 870 Cottonseed Run ranks against every home in each area.
MeasureThis homeMartindale 78655Guadalupe County
Estimated valuepricier than$694,87787% of homes98% of homes
Price per ft²pricier than$37889% of homes98% of homes
Living areabigger than1,840 ft²66% of homes48% of homes
Lot sizebigger than2.78 ac84% of homes95% of homes
Year builtnewer than199247% of homes24% of homes

About 870 Cottonseed Run

How much is 870 Cottonseed Run, Martindale, TX worth?

The TopHap Estimate for 870 Cottonseed Run, Martindale, TX is $694,877 as of Jul 14, 2026. The likely range is $565,520 to $824,234. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 870 Cottonseed Run, Martindale, TX last sell?

870 Cottonseed Run, Martindale, TX last sold on Jan 1, 1900, according to the county's recorded deed.

When was 870 Cottonseed Run, Martindale, TX built?

870 Cottonseed Run, Martindale, TX was built in 1992, making it 34 years old. The building has 1 story.

What schools serve 870 Cottonseed Run, Martindale, TX?

870 Cottonseed Run, Martindale, TX is assigned to DeZavala Elementary School (elementary), rated D+; Goodnight Middle School (middle), rated C-; San Marcos High School (high), rated C-. All sit in San Marcos Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 870 Cottonseed Run, Martindale, TX compare to other homes in Martindale 78655?

Among the 1,231 homes in Martindale 78655, it is worth more than 87% of them ($694,877 against a typical $360,736), its price per square foot is higher than 89% of them ($378 against a typical $233), it is bigger than 66% of them (1,840 ft² against a typical 1,540 ft²), its lot is bigger than 84% of them (2.78 ac against a typical 0.81 ac) and it is newer than 47% of them (1992 against a typical 1994). Measured against all of Guadalupe County, it is worth more than 98% 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 870 Cottonseed Run, Martindale, TX?

The 2025 property tax bill for 870 Cottonseed Run, Martindale, TX was $806. The county assessed it at $454,406.

Closest homes

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Assigned schools

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