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Miscellaneous (Residential)Residential
Last sold for $359,812 on Sep 25, 2026

509 S 7TH ST

PORT O CONNOR, TX 77982
0
Baths
1,066 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.
3,202 ft²
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$359,812 · Sep 25, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,539 (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.$189,210 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$136,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$52,810
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$190,370
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$189,210

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.71 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.98%
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.Miscellaneous (Residential)
CountyCALHOUN
Lot (acres)The size of the land the home sits on, from county records.0.07
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Port O Connor SchoolA+
Elementary · Grades PK–5 · 0.5 mi
M
Travis Middle SchoolC-
Middle · Grades 6–8 · 18.3 mi
H
Calhoun High SchoolC
High · Grades 9–12 · 18.8 mi

District: Calhoun County Independent School District

Neighborhood · ZIP 77982These 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.155
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.41%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.6.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.483
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,780
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,278
Average tempThe average temperature here across a full year.71°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

509 S 7th 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.

  • Smaller than 68% of homes in Port O Connor 77982
  • Has a smaller lot than 96% of homes in Port O Connor 77982
  • Newer than 92% of homes in Calhoun County

How it measures up in Port O Connor 77982

The dot is this home. The mark in the middle is the typical home in Port O Connor 77982.

Living area1,066 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 32% of homes nearby

Lot size3,202 ft²
SmallerTypical 0.25 acBigger

Bigger than 4% of homes nearby

Year built2020
OlderTypical 2001Newer

Newer than 91% of homes nearby

How 509 S 7th St ranks against every home in each area.
MeasureThis homePort O Connor 77982Calhoun County
Living areabigger than1,066 ft²32% of homes36% of homes
Lot sizebigger than3,202 ft²4% of homes4% of homes
Year builtnewer than202091% of homes92% of homes

About 509 S 7th St

When did 509 S 7th St, Port O Connor, TX last sell?

509 S 7th St, Port O Connor, TX last sold on Sep 25, 2026 for $359,812, according to the county's recorded deed.

How big is 509 S 7th St, Port O Connor, TX?

509 S 7th St, Port O Connor, TX has 1,066 square feet of living space and a 0.07-acre lot.

When was 509 S 7th St, Port O Connor, TX built?

509 S 7th St, Port O Connor, TX was built in 2020, making it 6 years old.

What schools serve 509 S 7th St, Port O Connor, TX?

509 S 7th St, Port O Connor, 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 509 S 7th St, Port O Connor, TX compare to other homes in Port O Connor 77982?

Among the 1,563 homes in Port O Connor 77982, it is bigger than 32% of them (1,066 ft² against a typical 1,344 ft²), its lot is bigger than 4% of them (3,202 ft² against a typical 0.25 ac) and it is newer than 91% of them (2020 against a typical 2001). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 509 S 7th St, Port O Connor, TX?

The 2026 property tax bill for 509 S 7th St, Port O Connor, TX was $4,539. The county assessed it at $189,210.

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