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Single Family ResidenceResidential
$113,666$65 / 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 93How 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

421 W MAIN AVE

ROBSTOWN, TX 78380
0
Baths
1,743 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.
3,500 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$114K
$106K low$121K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,551 (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.$117,477 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,455
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$110,022
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$121,981
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$117,477

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.16 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyNUECES
Lot (acres)The size of the land the home sits on, from county records.0.08
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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 · 158 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
Robert Driscoll Jr STEM AcademyD-
Elementary · Grades PK–5 · 0.5 mi
H
Robstown Early College High SchoolC-
High · Grades 9–12 · 0.7 mi
M
Seale Jr High SchoolD
Middle · Grades 6–8 · 0.8 mi

District: Robstown Independent School District

Neighborhood · ZIP 78380These 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.88
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 100.18

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.6%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.20%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.24,584
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.73 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,465
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,437
Average tempThe average temperature here across a full year.72°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

421 W Main Ave 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 84% of homes in Nueces County
  • Costs less per square foot than 97% of homes in Nueces County
  • Bigger than 83% of homes in Robstown
  • Has a smaller lot than 93% of homes in Nueces County
  • Among the oldest homes in Nueces County

What homes are worth in Robstown 78380

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

This home
$33K$558K

This home is worth more than 43% of homes in Robstown 78380.

How it measures up in Robstown 78380

The dot is this home. The mark in the middle is the typical home in Robstown 78380.

Estimated value$113,666
CheaperTypical $132,122Pricier

Pricier than 43% of homes nearby

Price per ft²$65
CheaperTypical $94Pricier

Pricier than 21% of homes nearby

Living area1,743 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 67% of homes nearby

Lot size3,500 ft²
SmallerTypical 0.33 acBigger

Bigger than 8% of homes nearby

Year built1900
OlderTypical 1981Newer

Newer than 2% of homes nearby

How 421 W Main Ave ranks against every home in each area.
MeasureThis homeRobstownRobstown 78380Nueces County
Estimated valuepricier than$113,66672% of homes43% of homes16% of homes
Price per ft²pricier than$6537% of homes21% of homes3% of homes
Living areabigger than1,743 ft²83% of homes67% of homes64% of homes
Lot sizebigger than3,500 ft²17% of homes8% of homes7% of homes
Year builtnewer than19003% of homes2% of homesalmost no homes

About 421 W Main Ave

How much is 421 W Main Ave, Robstown, TX worth?

The TopHap Estimate for 421 W Main Ave, Robstown, TX is $113,666 as of Aug 30, 2026. The likely range is $106,169 to $121,163. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 W Main Ave, Robstown, TX last sell?

421 W Main Ave, Robstown, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 421 W Main Ave, Robstown, TX?

421 W Main Ave, Robstown, TX has 1,743 square feet of living space and a 0.08-acre lot.

When was 421 W Main Ave, Robstown, TX built?

421 W Main Ave, Robstown, TX was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 421 W Main Ave, Robstown, TX?

421 W Main Ave, Robstown, TX is assigned to Robert Driscoll Jr STEM Academy (elementary), rated D-; Robstown Early College High School (high), rated C-; Seale Jr High School (middle), rated D. All sit in Robstown Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 W Main Ave, Robstown, TX compare to other homes in Robstown 78380?

Among the 8,778 homes in Robstown 78380, it is worth more than 43% of them ($113,666 against a typical $132,122), its price per square foot is higher than 21% of them ($65 against a typical $94), it is bigger than 67% of them (1,743 ft² against a typical 1,400 ft²), its lot is bigger than 8% of them (3,500 ft² against a typical 0.33 ac) and it is newer than 2% of them (1900 against a typical 1981). Measured against all of Nueces County, it is worth more than 16% 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 421 W Main Ave, Robstown, TX?

The 2025 property tax bill for 421 W Main Ave, Robstown, TX was $1,551. The county assessed it at $117,477.

More homes on W Main Ave

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