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Single Family ResidenceResidential
$173,588$154 / 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 Oct 21, 2026

4 WALNUT CV

BROWNSVILLE, TX 78521
0
Baths
1,130 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$174K
$154K low$193K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,788 (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.$156,768 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$142,516
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$184,081

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.50
18
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
48
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
98
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
42
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.26%

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
CountyCAMERON
Lot (acres)The size of the land the home sits on, from county records.0.24
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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 · 60 ft²

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

M
Louise C. Perkins Middle SchoolD+
Middle · Grades 6–8 · 0.5 mi
E
Egly Elementary SchoolC+
Elementary · Grades KG–5 · 1.4 mi
H
Simon Rivera Early College High SchoolD+
High · Grades 9–12 · 2.3 mi

District: Brownsville Independent School District

Neighborhood · ZIP 78521These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.7

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.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.25%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.91,986
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.623 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$39,363
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$52,725
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.30 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

4 Walnut Cv 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.

  • Costs more per square foot than 68% of homes in Brownsville 78521
  • Smaller than 67% of homes in Cameron County
  • Has a bigger lot than 78% of homes in Brownsville 78521
  • Newer than 78% of homes in Brownsville 78521

What homes are worth in Brownsville 78521

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

This home
$74K$506K

This home is worth more than 45% of homes in Brownsville 78521.

How it measures up in Brownsville 78521

The dot is this home. The mark in the middle is the typical home in Brownsville 78521.

Estimated value$173,588
CheaperTypical $182,214Pricier

Pricier than 45% of homes nearby

Price per ft²$154
CheaperTypical $133Pricier

Pricier than 68% of homes nearby

Living area1,130 ft²
SmallerTypical 1,274 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.24 ac
SmallerTypical 0.14 acBigger

Bigger than 78% of homes nearby

Year built2000
OlderTypical 1988Newer

Newer than 78% of homes nearby

How 4 Walnut Cv ranks against every home in each area.
MeasureThis homeBrownsville 78521Cameron County
Estimated valuepricier than$173,58845% of homes40% of homes
Price per ft²pricier than$15468% of homes63% of homes
Living areabigger than1,130 ft²38% of homes33% of homes
Lot sizebigger than0.24 ac78% of homes66% of homes
Year builtnewer than200078% of homes69% of homes

About 4 Walnut Cv

How much is 4 Walnut Cv, Brownsville, TX worth?

The TopHap Estimate for 4 Walnut Cv, Brownsville, TX is $173,588 as of Oct 21, 2026. The likely range is $154,413 to $192,763. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Walnut Cv, Brownsville, TX last sell?

4 Walnut Cv, Brownsville, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 Walnut Cv, Brownsville, TX?

4 Walnut Cv, Brownsville, TX has 1,130 square feet of living space and a 0.24-acre lot.

When was 4 Walnut Cv, Brownsville, TX built?

4 Walnut Cv, Brownsville, TX was built in 2000, making it 26 years old. The building has 1 story.

What schools serve 4 Walnut Cv, Brownsville, TX?

4 Walnut Cv, Brownsville, TX is assigned to Louise C. Perkins Middle School (middle), rated D+; Egly Elementary School (elementary), rated C+; Simon Rivera Early College High School (high), rated D+. All sit in Brownsville Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Walnut Cv, Brownsville, TX compare to other homes in Brownsville 78521?

Among the 24,838 homes in Brownsville 78521, it is worth more than 45% of them ($173,588 against a typical $182,214), its price per square foot is higher than 68% of them ($154 against a typical $133), it is bigger than 38% of them (1,130 ft² against a typical 1,274 ft²), its lot is bigger than 78% of them (0.24 ac against a typical 0.14 ac) and it is newer than 78% of them (2000 against a typical 1988). Measured against all of Cameron County, it is worth more than 40% 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 4 Walnut Cv, Brownsville, TX?

The 2025 property tax bill for 4 Walnut Cv, Brownsville, TX was $1,788. The county assessed it at $156,768.

More homes on Walnut Cv

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Assigned schools

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