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Single Family ResidenceResidential
$324,629$163 / 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 Sep 24, 2026

9550 FM 621

MARTINDALE, TX 78655
3
Beds
1
Baths
1,992 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.
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.
1932
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

$325K
$303K low$346K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,001 (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.$156,130 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$85,239
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,891
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$148,221
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$156,130

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.7 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
CountyGUADALUPE
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.2000
Lot (acres)The size of the land the home sits on, from county records.0.41
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Space
CoolingThe type of cooling or air conditioning in the home.Window A/C
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.Porch · 48 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
Bowie Elementary SchoolD-
Elementary · Grades KG–5 · 6.5 mi
H
San Marcos High SchoolD
High · Grades 9–12 · 7.0 mi
M
Goodnight Middle SchoolD
Middle · Grades 6–8 · 7.6 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%

Owner Tools

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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

9550 Fm 621 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.

  • Costs less per square foot than 83% of homes in Martindale 78655
  • Bigger than 73% of homes in Martindale 78655
  • Has a smaller lot than 85% of homes in Martindale 78655
  • Among the oldest 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
$113K$1M

This home is worth more than 49% 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$324,629
CheaperTypical $332,687Pricier

Pricier than 49% of homes nearby

Price per ft²$163
CheaperTypical $214Pricier

Pricier than 17% of homes nearby

Living area1,992 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.41 ac
SmallerTypical 0.81 acBigger

Bigger than 15% of homes nearby

Year built1932
OlderTypical 1995Newer

Newer than 8% of homes nearby

How 9550 Fm 621 ranks against every home in each area.
MeasureThis homeMartindale 78655Guadalupe County
Estimated valuepricier than$324,62949% of homes59% of homes
Price per ft²pricier than$16317% of homes58% of homes
Living areabigger than1,992 ft²73% of homes56% of homes
Lot sizebigger than0.41 ac15% of homes79% of homes
Year builtnewer than19328% of homesalmost no homes

About 9550 Fm 621

How much is 9550 Fm 621, Martindale, TX worth?

The TopHap Estimate for 9550 Fm 621, Martindale, TX is $324,629 as of Sep 24, 2026. The likely range is $303,314 to $345,944. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9550 Fm 621, Martindale, TX last sell?

9550 Fm 621, Martindale, TX last sold on Aug 14, 2007, according to the county's recorded deed.

How big is 9550 Fm 621, Martindale, TX?

9550 Fm 621, Martindale, TX has 3 bedrooms, 1 bathrooms, 1,992 square feet of living space and a 0.41-acre lot.

When was 9550 Fm 621, Martindale, TX built?

9550 Fm 621, Martindale, TX was built in 1932, making it 94 years old. The building has 1 story.

What schools serve 9550 Fm 621, Martindale, TX?

9550 Fm 621, Martindale, TX is assigned to Bowie Elementary School (elementary), rated D-; San Marcos High School (high), rated D; Goodnight Middle School (middle), rated D. All sit in San Marcos Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9550 Fm 621, Martindale, TX compare to other homes in Martindale 78655?

Among the 1,224 homes in Martindale 78655, it is worth more than 49% of them ($324,629 against a typical $332,687), its price per square foot is higher than 17% of them ($163 against a typical $214), it is bigger than 73% of them (1,992 ft² against a typical 1,540 ft²), its lot is bigger than 15% of them (0.41 ac against a typical 0.81 ac) and it is newer than 8% of them (1932 against a typical 1995). Measured against all of Guadalupe County, it is worth more than 59% 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 9550 Fm 621, Martindale, TX?

The 2025 property tax bill for 9550 Fm 621, Martindale, TX was $2,001. The county assessed it at $156,130.

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