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CondominiumResidential
$336,513$228 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $240,000 on Apr 8, 2019

436 S 15TH ST

PORT LAVACA, TX 77979
2
Baths
1,477 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.
1,759 ft²
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.

Valuation

$337K
$297K low$376K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$240,000 · Apr 8, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,744 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$305,670 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$68,630
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$237,040
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$300,130
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$305,670

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.88 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.97%
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyCALHOUN
Lot (acres)The size of the land the home sits on, from county records.0.04
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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 · 150 ft²Porch · 119 ft²

Transaction History(1)

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
Port O Connor SchoolA+
Elementary · Grades PK–5 · 0.8 mi
M
Travis Middle SchoolC-
Middle · Grades 6–8 · 18.1 mi
H
Calhoun High SchoolC+
High · Grades 9–12 · 18.6 mi

District: Calhoun County Independent School District

Neighborhood · ZIP 77979These 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.93
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 100.19

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.80%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
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.18,332
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.33 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,191
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,965
Average tempThe average temperature here across a full year.71°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

436 S 15th 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 more than 83% of homes in Port Lavaca 77979
  • Costs more per square foot than 87% of homes in Port Lavaca 77979
  • Has a smaller lot than 98% of homes in Port Lavaca 77979

What homes are worth in Port Lavaca 77979

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

This home
$56K$603K

This home is worth more than 83% of homes in Port Lavaca 77979.

How it measures up in Port Lavaca 77979

The dot is this home. The mark in the middle is the typical home in Port Lavaca 77979.

Estimated value$336,513
CheaperTypical $191,790Pricier

Pricier than 83% of homes nearby

Price per ft²$228
CheaperTypical $131Pricier

Pricier than 87% of homes nearby

Living area1,477 ft²
SmallerTypical 1,326 ft²Bigger

Bigger than 58% of homes nearby

Lot size1,759 ft²
SmallerTypical 0.26 acBigger

Bigger than 2% of homes nearby

Year built1983
OlderTypical 1980Newer

Newer than 58% of homes nearby

How 436 S 15th St ranks against every home in each area.
MeasureThis homePort Lavaca 77979Calhoun County
Estimated valuepricier than$336,51383% of homes75% of homes
Price per ft²pricier than$22887% of homes72% of homes
Living areabigger than1,477 ft²58% of homes62% of homes
Lot sizebigger than1,759 ft²2% of homes3% of homes
Year builtnewer than198358% of homes52% of homes

About 436 S 15th St

How much is 436 S 15th St, Port Lavaca, TX worth?

The TopHap Estimate for 436 S 15th St, Port Lavaca, TX is $336,513 as of Aug 30, 2026. The likely range is $297,072 to $375,954. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 436 S 15th St, Port Lavaca, TX last sell?

436 S 15th St, Port Lavaca, TX last sold on Apr 8, 2019 for $240,000, according to the county's recorded deed.

How big is 436 S 15th St, Port Lavaca, TX?

436 S 15th St, Port Lavaca, TX has 2 bathrooms, 1,477 square feet of living space and a 0.04-acre lot.

When was 436 S 15th St, Port Lavaca, TX built?

436 S 15th St, Port Lavaca, TX was built in 1983, making it 43 years old. It is a condo/apartment home.

What schools serve 436 S 15th St, Port Lavaca, TX?

436 S 15th St, Port Lavaca, TX is assigned to Port O Connor School (elementary), rated A+; Travis Middle School (middle), rated C-; Calhoun High School (high), rated C+. All sit in Calhoun County Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 436 S 15th St, Port Lavaca, TX compare to other homes in Port Lavaca 77979?

Among the 8,319 homes in Port Lavaca 77979, it is worth more than 83% of them ($336,513 against a typical $191,790), its price per square foot is higher than 87% of them ($228 against a typical $131), it is bigger than 58% of them (1,477 ft² against a typical 1,326 ft²), its lot is bigger than 2% of them (1,759 ft² against a typical 0.26 ac) and it is newer than 58% of them (1983 against a typical 1980). Measured against all of Calhoun County, it is worth more than 75% 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 436 S 15th St, Port Lavaca, TX?

The 2026 property tax bill for 436 S 15th St, Port Lavaca, TX was $5,744. The county assessed it at $305,670.

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