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Single Family ResidenceResidential
$115,578$164 / 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 78How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

105 SANTA ROSA

PORT LAVACA, TX 77979
1
Baths
705 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.

Valuation

$116K
$90K low$141K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$115,578
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$92,462

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$523 (2022)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$40,430 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$36,620
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$39,970
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$40,430

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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.62%
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
CountyCalhoun
Lot (acres)The size of the land the home sits on, from county records.0.26
ConstructionThe main material the home's frame and walls are built from.Wood Frame
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 · 84 ft²

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

H
Calhoun High SchoolC+
High · Grades 9–12 · 0.9 mi
M
Travis Middle SchoolC-
Middle · Grades 6–8 · 1.1 mi
E
Harrison/Jefferson/Madison Elementary SchoolB+
Elementary · Grades PK–5 · 1.5 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

105 Santa Rosa 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 85% of homes in Calhoun County
  • Costs more per square foot than 67% of homes in Port Lavaca 77979
  • Smaller than 88% 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$594K

This home is worth more than 17% 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$115,578
CheaperTypical $200,587Pricier

Pricier than 17% of homes nearby

Price per ft²$164
CheaperTypical $138Pricier

Pricier than 67% of homes nearby

Living area705 ft²
SmallerTypical 1,323 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.26 ac
SmallerTypical 0.26 acBigger

Bigger than 50% of homes nearby

Year built1982
OlderTypical 1979Newer

Newer than 57% of homes nearby

How 105 Santa Rosa ranks against every home in each area.
MeasureThis homePort Lavaca 77979Calhoun County
Estimated valuepricier than$115,57817% of homes15% of homes
Price per ft²pricier than$16467% of homes52% of homes
Living areabigger than705 ft²12% of homes14% of homes
Lot sizebigger than0.26 ac50% of homes50% of homes
Year builtnewer than198257% of homes51% of homes

About 105 Santa Rosa

How much is 105 Santa Rosa, Port Lavaca, TX worth?

The TopHap Estimate for 105 Santa Rosa, Port Lavaca, TX is $115,578 as of Jul 14, 2026. The likely range is $89,769 to $141,387. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 105 Santa Rosa, Port Lavaca, TX?

105 Santa Rosa, Port Lavaca, TX has 1 bathrooms, 705 square feet of living space and a 0.26-acre lot.

When was 105 Santa Rosa, Port Lavaca, TX built?

105 Santa Rosa, Port Lavaca, TX was built in 1982, making it 44 years old.

What schools serve 105 Santa Rosa, Port Lavaca, TX?

105 Santa Rosa, Port Lavaca, TX is assigned to Calhoun High School (high), rated C+; Travis Middle School (middle), rated C-; Harrison/Jefferson/Madison Elementary School (elementary), rated B+. All sit in Calhoun County Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 105 Santa Rosa, Port Lavaca, TX compare to other homes in Port Lavaca 77979?

Among the 8,318 homes in Port Lavaca 77979, it is worth more than 17% of them ($115,578 against a typical $200,587), its price per square foot is higher than 67% of them ($164 against a typical $138), it is bigger than 12% of them (705 ft² against a typical 1,323 ft²), its lot is bigger than 50% of them (0.26 ac against a typical 0.26 ac) and it is newer than 57% of them (1982 against a typical 1979). Measured against all of Calhoun County, it is worth more than 15% 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 105 Santa Rosa, Port Lavaca, TX?

The 2022 property tax bill for 105 Santa Rosa, Port Lavaca, TX was $523. The county assessed it at $40,430.

Closest homes

More homes in Port Lavaca 77979

Assigned schools

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