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Single Family ResidenceResidential
$24,159$52 / 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 82How 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

521 MARTINEZ ST

COLDSPRING, TX 77331
0
Baths
468 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$24K
$20K low$28K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$112 (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.$9,730 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,430
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$7,212
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$9,730

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.56
42
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
49
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
95
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
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.9 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
CountySAN JACINTO
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.2010
Lot (acres)The size of the land the home sits on, from county records.0.24
HeatingThe type of heating system in the home.Yes
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 · 512 ft²Porch · 220 ft²

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

E
Street Elementary School
Elementary · Grades PK–2 · 6.3 mi
M
Lincoln Jr High SchoolD+
Middle · Grades 6–8 · 6.9 mi
H
Coldspring-Oakhurst High SchoolD+
High · Grades 9–12 · 7.3 mi

District: Coldspring-Oakhurst Consolidated Independent School District

Neighborhood · ZIP 77331These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.74%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.7,665
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.37 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,096
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,398
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

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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

521 Martinez St 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.

  • Among the least valuable homes in Coldspring 77331
  • Costs less per square foot than 98% of homes in San Jacinto County
  • Smaller than 92% of homes in Coldspring 77331
  • Has a smaller lot than 74% of homes in San Jacinto County
  • Older than 67% of homes in San Jacinto County

What homes are worth in Coldspring 77331

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

This home
$31K$1.1M

This home is worth less than almost all homes in Coldspring 77331.

How it measures up in Coldspring 77331

The dot is this home. The mark in the middle is the typical home in Coldspring 77331.

Estimated value$24,159
CheaperTypical $251,947Pricier

Cheaper than almost all homes nearby

Price per ft²$52
CheaperTypical $175Pricier

Pricier than 3% of homes nearby

Living area468 ft²
SmallerTypical 1,340 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.24 ac
SmallerTypical 0.37 acBigger

Bigger than 30% of homes nearby

Year built1983
OlderTypical 1992Newer

Newer than 38% of homes nearby

How 521 Martinez St ranks against every home in each area.
MeasureThis homeColdspring 77331San Jacinto County
Estimated valuepricier than$24,159almost no homesalmost no homes
Price per ft²pricier than$523% of homes2% of homes
Living areabigger than468 ft²8% of homes8% of homes
Lot sizebigger than0.24 ac30% of homes26% of homes
Year builtnewer than198338% of homes33% of homes

About 521 Martinez St

How much is 521 Martinez St, Coldspring, TX worth?

The TopHap Estimate for 521 Martinez St, Coldspring, TX is $24,159 as of Sep 24, 2026. The likely range is $19,916 to $28,402. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Martinez St, Coldspring, TX last sell?

521 Martinez St, Coldspring, TX last sold on Oct 1, 2013, according to the county's recorded deed.

How big is 521 Martinez St, Coldspring, TX?

521 Martinez St, Coldspring, TX has 468 square feet of living space and a 0.24-acre lot.

When was 521 Martinez St, Coldspring, TX built?

521 Martinez St, Coldspring, TX was built in 1983, making it 43 years old. The building has 1 story.

What schools serve 521 Martinez St, Coldspring, TX?

521 Martinez St, Coldspring, TX is assigned to Street Elementary School (elementary); Lincoln Jr High School (middle), rated D+; Coldspring-Oakhurst High School (high), rated D+. All sit in Coldspring-Oakhurst Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Martinez St, Coldspring, TX compare to other homes in Coldspring 77331?

Among the 3,881 homes in Coldspring 77331, it is worth more than almost none of them ($24,159 against a typical $251,947), its price per square foot is higher than 3% of them ($52 against a typical $175), it is bigger than 8% of them (468 ft² against a typical 1,340 ft²), its lot is bigger than 30% of them (0.24 ac against a typical 0.37 ac) and it is newer than 38% of them (1983 against a typical 1992). Measured against all of San Jacinto County, it is worth more than almost no 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 Martinez St, Coldspring, TX?

The 2025 property tax bill for 521 Martinez St, Coldspring, TX was $112. The county assessed it at $9,730.

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