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Single Family ResidenceResidential
$166,679$119 / 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 95How 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

3990 ISABEL CIR

ROBSTOWN, TX 78380
0
Baths
1,400 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.
0.89 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$167K
$159K low$175K 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.$111,679
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$89,343
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.31%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$55,000
RALLY CU · recorded Jul 25, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$210 (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.$177,145 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,552
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$153,593
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$186,224
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$177,145

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyNUECES
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1980
Lot (acres)The size of the land the home sits on, from county records.0.89
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Shed · 750 ft²Patio · 234 ft²

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

E
Calallen Wood River Elementary School
Elementary · Grades PK–2 · 0.9 mi
H
Calallen High SchoolB-
High · Grades 9–12 · 2.5 mi
M
Calallen Middle SchoolA-
Middle · Grades 6–8 · 3.2 mi

District: Calallen 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.24,587
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.$60,475
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,445
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%

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

3990 Isabel Cir 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 71% of homes in Nueces County
  • Costs less per square foot than 76% of homes in Nueces County
  • Has a bigger lot than 95% of 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
$32K$618K

This home is worth more than 61% 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$166,679
CheaperTypical $127,668Pricier

Pricier than 61% of homes nearby

Price per ft²$119
CheaperTypical $95Pricier

Pricier than 64% of homes nearby

Living area1,400 ft²
SmallerTypical 1,368 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.89 ac
SmallerTypical 0.33 acBigger

Bigger than 64% of homes nearby

Year built1970
OlderTypical 1983Newer

Newer than 36% of homes nearby

How 3990 Isabel Cir ranks against every home in each area.
MeasureThis homeRobstown 78380Nueces County
Estimated valuepricier than$166,67961% of homes29% of homes
Price per ft²pricier than$11964% of homes24% of homes
Living areabigger than1,400 ft²52% of homes44% of homes
Lot sizebigger than0.89 ac64% of homes95% of homes
Year builtnewer than197036% of homes38% of homes

About 3990 Isabel Cir

How much is 3990 Isabel Cir, Robstown, TX worth?

The TopHap Estimate for 3990 Isabel Cir, Robstown, TX is $166,679 as of Jul 14, 2026. The likely range is $158,569 to $174,789. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3990 Isabel Cir, Robstown, TX last sell?

3990 Isabel Cir, Robstown, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3990 Isabel Cir, Robstown, TX?

3990 Isabel Cir, Robstown, TX has 1,400 square feet of living space and a 0.89-acre lot.

When was 3990 Isabel Cir, Robstown, TX built?

3990 Isabel Cir, Robstown, TX was built in 1970, making it 56 years old. The building has 1 story.

What schools serve 3990 Isabel Cir, Robstown, TX?

3990 Isabel Cir, Robstown, TX is assigned to Calallen Wood River Elementary School (elementary); Calallen High School (high), rated B-; Calallen Middle School (middle), rated A-. All sit in Calallen Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3990 Isabel Cir, Robstown, TX compare to other homes in Robstown 78380?

Among the 8,626 homes in Robstown 78380, it is worth more than 61% of them ($166,679 against a typical $127,668), its price per square foot is higher than 64% of them ($119 against a typical $95), it is bigger than 52% of them (1,400 ft² against a typical 1,368 ft²), its lot is bigger than 64% of them (0.89 ac against a typical 0.33 ac) and it is newer than 36% of them (1970 against a typical 1983). Measured against all of Nueces County, it is worth more than 29% 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 3990 Isabel Cir, Robstown, TX?

The 2025 property tax bill for 3990 Isabel Cir, Robstown, TX was $210. The county assessed it at $177,145.

Closest homes

More homes in Robstown 78380

Assigned schools

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