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Single Family ResidenceResidential
$194,437$149 / 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 89How 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

4121 ROUND ROCK ST

CORPUS CHRISTI, TX 78410
0
Baths
1,306 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$194K
$173K low$215K 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.$194,437
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$155,550

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,282 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$194,313 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,079
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$173,234
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$202,061
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$194,313

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.6 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.0.18
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Porch · 14 ft²

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
Calallen East Elementary School
Elementary · Grades PK–2 · 0.4 mi
M
Calallen Middle SchoolA-
Middle · Grades 6–8 · 1.9 mi
H
Calallen High SchoolB-
High · Grades 9–12 · 2.3 mi

District: Calallen Independent School District

Neighborhood · ZIP 78410These 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.74
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.27,972
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,244 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,275
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,830
Average tempThe average temperature here across a full year.72°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

4121 Round Rock 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.

  • Worth less than 79% of homes in Calallen
  • Smaller than 78% of homes in Calallen
  • Older than 82% of homes in Calallen

What homes are worth in Corpus Christi 78410

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

This home
$112K$544K

This home is worth more than 26% of homes in Corpus Christi 78410.

How it measures up in Corpus Christi 78410

The dot is this home. The mark in the middle is the typical home in Corpus Christi 78410.

Estimated value$194,437
CheaperTypical $235,621Pricier

Pricier than 26% of homes nearby

Price per ft²$149
CheaperTypical $151Pricier

Pricier than 48% of homes nearby

Living area1,306 ft²
SmallerTypical 1,571 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.18 ac
SmallerTypical 0.19 acBigger

Bigger than 43% of homes nearby

Year built1979
OlderTypical 1984Newer

Newer than 30% of homes nearby

How 4121 Round Rock St ranks against every home in each area.
MeasureThis homeCalallenCorpus Christi 78410Nueces County
Estimated valuepricier than$194,43721% of homes26% of homes37% of homes
Price per ft²pricier than$14945% of homes48% of homes47% of homes
Living areabigger than1,306 ft²22% of homes26% of homes37% of homes
Lot sizebigger than0.18 ac43% of homes43% of homes60% of homes
Year builtnewer than197918% of homes30% of homes47% of homes

About 4121 Round Rock St

How much is 4121 Round Rock St, Corpus Christi, TX worth?

The TopHap Estimate for 4121 Round Rock St, Corpus Christi, TX is $194,437 as of Jul 14, 2026. The likely range is $173,410 to $215,464. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4121 Round Rock St, Corpus Christi, TX last sell?

4121 Round Rock St, Corpus Christi, TX last sold on Apr 11, 2023, according to the county's recorded deed.

How big is 4121 Round Rock St, Corpus Christi, TX?

4121 Round Rock St, Corpus Christi, TX has 1,306 square feet of living space and a 0.18-acre lot.

When was 4121 Round Rock St, Corpus Christi, TX built?

4121 Round Rock St, Corpus Christi, TX was built in 1979, making it 47 years old. The building has 1 story.

What schools serve 4121 Round Rock St, Corpus Christi, TX?

4121 Round Rock St, Corpus Christi, TX is assigned to Calallen East Elementary School (elementary); Calallen Middle School (middle), rated A-; Calallen High School (high), rated B-. All sit in Calallen Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4121 Round Rock St, Corpus Christi, TX compare to other homes in Corpus Christi 78410?

Among the 9,367 homes in Corpus Christi 78410, it is worth more than 26% of them ($194,437 against a typical $235,621), its price per square foot is higher than 48% of them ($149 against a typical $151), it is bigger than 26% of them (1,306 ft² against a typical 1,571 ft²), its lot is bigger than 43% of them (0.18 ac against a typical 0.19 ac) and it is newer than 30% of them (1979 against a typical 1984). Measured against all of Nueces County, it is worth more than 37% 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 4121 Round Rock St, Corpus Christi, TX?

The 2024 property tax bill for 4121 Round Rock St, Corpus Christi, TX was $3,282. The county assessed it at $194,313.

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Assigned schools

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