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Single Family ResidenceResidential
$121,972$95 / 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 Aug 30, 2026

21263 TAMM ST

HARLINGEN, TX 78552
0
Baths
1,280 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.
0.13 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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$122K
$109K low$135K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$338 (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.$47,066 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$42,787
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$93,373

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.60
55
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
64
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
100
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
37
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.18 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
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyCAMERON
Lot (acres)The size of the land the home sits on, from county records.0.13
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Window A/C
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Dishman Elementary SchoolA-
Elementary · Grades PK–5 · 0.2 mi
M
Gutierrez Middle SchoolA-
Middle · Grades 6–8 · 2.8 mi
H
Harlingen High SchoolC-
High · Grades 9–12 · 4.2 mi

District: Harlingen Consolidated Independent School District

Neighborhood · ZIP 78552These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.10

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.36,820
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.741 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,262
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,962
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.26 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

21263 Tamm 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 83% of homes in Harlingen 78552
  • Costs less per square foot than 87% of homes in Cameron County
  • Has a smaller lot than 90% of homes in Harlingen 78552
  • Older than 92% of homes in Harlingen 78552

What homes are worth in Harlingen 78552

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

This home
$47K$549K

This home is worth more than 17% of homes in Harlingen 78552.

How it measures up in Harlingen 78552

The dot is this home. The mark in the middle is the typical home in Harlingen 78552.

Estimated value$121,972
CheaperTypical $208,652Pricier

Pricier than 17% of homes nearby

Price per ft²$95
CheaperTypical $137Pricier

Pricier than 14% of homes nearby

Living area1,280 ft²
SmallerTypical 1,408 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.13 ac
SmallerTypical 0.23 acBigger

Bigger than 10% of homes nearby

Year built1970
OlderTypical 1995Newer

Newer than 8% of homes nearby

How 21263 Tamm St ranks against every home in each area.
MeasureThis homeHarlingen 78552Cameron County
Estimated valuepricier than$121,97217% of homes20% of homes
Price per ft²pricier than$9514% of homes13% of homes
Living areabigger than1,280 ft²42% of homes45% of homes
Lot sizebigger than0.13 ac10% of homes23% of homes
Year builtnewer than19708% of homes16% of homes

About 21263 Tamm St

How much is 21263 Tamm St, Harlingen, TX worth?

The TopHap Estimate for 21263 Tamm St, Harlingen, TX is $121,972 as of Aug 30, 2026. The likely range is $108,907 to $135,037. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21263 Tamm St, Harlingen, TX last sell?

21263 Tamm St, Harlingen, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21263 Tamm St, Harlingen, TX?

21263 Tamm St, Harlingen, TX has 1,280 square feet of living space and a 0.13-acre lot.

When was 21263 Tamm St, Harlingen, TX built?

21263 Tamm St, Harlingen, TX was built in 1970, making it 56 years old. It is a townhouse home. The building has 1 story.

What schools serve 21263 Tamm St, Harlingen, TX?

21263 Tamm St, Harlingen, TX is assigned to Dishman Elementary School (elementary), rated A-; Gutierrez Middle School (middle), rated A-; Harlingen High School (high), rated C-. All sit in Harlingen Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21263 Tamm St, Harlingen, TX compare to other homes in Harlingen 78552?

Among the 15,627 homes in Harlingen 78552, it is worth more than 17% of them ($121,972 against a typical $208,652), its price per square foot is higher than 14% of them ($95 against a typical $137), it is bigger than 42% of them (1,280 ft² against a typical 1,408 ft²), its lot is bigger than 10% of them (0.13 ac against a typical 0.23 ac) and it is newer than 8% of them (1970 against a typical 1995). Measured against all of Cameron County, it is worth more than 20% 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 21263 Tamm St, Harlingen, TX?

The 2025 property tax bill for 21263 Tamm St, Harlingen, TX was $338. The county assessed it at $47,066.

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