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Single Family ResidenceResidential
$90,319$94 / 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 79How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

423 S PEREZ ST

MATHIS, TX 78368
0
Baths
960 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$90K
$71K low$109K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,103 (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.$50,048 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,188
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$32,860
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$63,342
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$50,048

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.8 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 PATRICIO
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
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 · 168 ft²

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

E
Mathis Elementary SchoolC+
Elementary · Grades PK–2 · 0.6 mi
H
Mathis High SchoolC-
High · Grades 9–12 · 1.5 mi
M
Mathis Middle SchoolC-
Middle · Grades 6–8 · 1.7 mi

District: Mathis Independent School District

Neighborhood · ZIP 78368These 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.91
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.78%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.5%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.8,708
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$42,521
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,222
Average tempThe average temperature here across a full year.71°F
Annual precipHow much rain and melted snow falls here in a typical year.32 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

423 S Perez 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.

  • Worth less than 92% of homes in San Patricio County
  • Costs less per square foot than 88% of homes in San Patricio County
  • Smaller than 84% of homes in San Patricio County
  • Has a smaller lot than 94% of homes in Mathis 78368

What homes are worth in Mathis 78368

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

This home
$44K$475K

This home is worth more than 27% of homes in Mathis 78368.

How it measures up in Mathis 78368

The dot is this home. The mark in the middle is the typical home in Mathis 78368.

Estimated value$90,319
CheaperTypical $130,714Pricier

Pricier than 27% of homes nearby

Price per ft²$94
CheaperTypical $116Pricier

Pricier than 30% of homes nearby

Living area960 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.16 ac
SmallerTypical 0.35 acBigger

Bigger than 6% of homes nearby

Year built1971
OlderTypical 1976Newer

Newer than 44% of homes nearby

How 423 S Perez St ranks against every home in each area.
MeasureThis homeMathis 78368San Patricio County
Estimated valuepricier than$90,31927% of homes8% of homes
Price per ft²pricier than$9430% of homes12% of homes
Living areabigger than960 ft²34% of homes16% of homes
Lot sizebigger than0.16 ac6% of homes21% of homes
Year builtnewer than197144% of homes40% of homes

About 423 S Perez St

How much is 423 S Perez St, Mathis, TX worth?

The TopHap Estimate for 423 S Perez St, Mathis, TX is $90,319 as of Oct 21, 2026. The likely range is $71,466 to $109,172. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 S Perez St, Mathis, TX last sell?

423 S Perez St, Mathis, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 423 S Perez St, Mathis, TX?

423 S Perez St, Mathis, TX has 960 square feet of living space and a 0.16-acre lot.

When was 423 S Perez St, Mathis, TX built?

423 S Perez St, Mathis, TX was built in 1971, making it 55 years old. The building has 1 story.

What schools serve 423 S Perez St, Mathis, TX?

423 S Perez St, Mathis, TX is assigned to Mathis Elementary School (elementary), rated C+; Mathis High School (high), rated C-; Mathis Middle School (middle), rated C-. All sit in Mathis Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 S Perez St, Mathis, TX compare to other homes in Mathis 78368?

Among the 4,761 homes in Mathis 78368, it is worth more than 27% of them ($90,319 against a typical $130,714), its price per square foot is higher than 30% of them ($94 against a typical $116), it is bigger than 34% of them (960 ft² against a typical 1,216 ft²), its lot is bigger than 6% of them (0.16 ac against a typical 0.35 ac) and it is newer than 44% of them (1971 against a typical 1976). Measured against all of San Patricio County, it is worth more than 8% 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 423 S Perez St, Mathis, TX?

The 2025 property tax bill for 423 S Perez St, Mathis, TX was $1,103. The county assessed it at $50,048.

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