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Single Family ResidenceResidential
$637,208$347 / 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

18 SUNDOWN BAY DR

SEADRIFT, TX 77983
2
Baths
1,835 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.
1.04 ac
Lot SizeThe size of the land the home sits on, from county records.
2025
Year BuiltThe year the home was originally built, according to county records.

Valuation

$637K
$562K low$713K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,935 (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.$424,244 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$102,240
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$428,370

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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.64%
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.0.2 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
CountyCALHOUN
Lot (acres)The size of the land the home sits on, from county records.1.04
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

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
Seadrift SchoolB+
Elementary · Grades PK–8 · 6.5 mi
H
Calhoun High SchoolC+
High · Grades 9–12 · 13.5 mi

District: Calhoun County Independent School District

Neighborhood · ZIP 77983These 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.119
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.60%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.8%
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.944
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,194
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,956
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

18 Sundown Bay Dr 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 95% of homes in Seadrift 77983
  • Costs more per square foot than 89% of homes in Calhoun County
  • Bigger than 83% of homes in Seadrift 77983
  • Has a bigger lot than 84% of homes in Calhoun County
  • Among the newest homes in Seadrift 77983

What homes are worth in Seadrift 77983

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

This home
$81K$858K

This home is worth more than 95% of homes in Seadrift 77983.

How it measures up in Seadrift 77983

The dot is this home. The mark in the middle is the typical home in Seadrift 77983.

Estimated value$637,208
CheaperTypical $251,130Pricier

Pricier than 95% of homes nearby

Price per ft²$347
CheaperTypical $212Pricier

Pricier than 87% of homes nearby

Living area1,835 ft²
SmallerTypical 1,154 ft²Bigger

Bigger than 83% of homes nearby

Lot size1.04 ac
SmallerTypical 0.33 acBigger

Bigger than 79% of homes nearby

Year built2025
OlderTypical 2000Newer

Newer than almost all homes nearby

How 18 Sundown Bay Dr ranks against every home in each area.
MeasureThis homeSeadrift 77983Calhoun County
Estimated valuepricier than$637,20895% of homes95% of homes
Price per ft²pricier than$34787% of homes89% of homes
Living areabigger than1,835 ft²83% of homes77% of homes
Lot sizebigger than1.04 ac79% of homes84% of homes
Year builtnewer than2025almost all homesalmost all homes

About 18 Sundown Bay Dr

How much is 18 Sundown Bay Dr, Seadrift, TX worth?

The TopHap Estimate for 18 Sundown Bay Dr, Seadrift, TX is $637,208 as of Aug 30, 2026. The likely range is $561,789 to $712,627. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Sundown Bay Dr, Seadrift, TX last sell?

18 Sundown Bay Dr, Seadrift, TX last sold on May 8, 2024, according to the county's recorded deed.

How big is 18 Sundown Bay Dr, Seadrift, TX?

18 Sundown Bay Dr, Seadrift, TX has 2 bathrooms, 1,835 square feet of living space and a 1.04-acre lot.

When was 18 Sundown Bay Dr, Seadrift, TX built?

18 Sundown Bay Dr, Seadrift, TX was built in 2025, making it 1 years old.

What schools serve 18 Sundown Bay Dr, Seadrift, TX?

18 Sundown Bay Dr, Seadrift, TX is assigned to Seadrift School (elementary), rated B+; 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 18 Sundown Bay Dr, Seadrift, TX compare to other homes in Seadrift 77983?

Among the 1,971 homes in Seadrift 77983, it is worth more than 95% of them ($637,208 against a typical $251,130), its price per square foot is higher than 87% of them ($347 against a typical $212), it is bigger than 83% of them (1,835 ft² against a typical 1,154 ft²), its lot is bigger than 79% of them (1.04 ac against a typical 0.33 ac) and it is newer than almost all of them (2025 against a typical 2000). Measured against all of Calhoun County, it is worth more than 95% 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 18 Sundown Bay Dr, Seadrift, TX?

The 2026 property tax bill for 18 Sundown Bay Dr, Seadrift, TX was $5,935. The county assessed it at $424,244.

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