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Rural ResidenceResidential
$142,150$185 / 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 52How 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

21818 RABB RD

SANTA ROSA, TX 78593
0
Baths
768 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.
10 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$142K
$74K low$210K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$951 (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.$68,584 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$57,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$11,084
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$54,547
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$68,584

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.65
87
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
61
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.
34
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.35 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyCAMERON
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
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 · 80 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.

M
Jo Nelson Middle SchoolC+
Middle · Grades 6–8 · 1.2 mi
H
Santa Rosa High SchoolC+
High · Grades 9–12 · 1.2 mi
E
Elma E Barrera Elementary SchoolB
Elementary · Grades PK–5 · 1.9 mi

District: Santa Rosa Independent School District

Neighborhood · ZIP 78593These 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.115
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.6.7%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.6,276
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.159 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$39,096
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$60,723
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.25 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

21818 Rabb Rd 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 73% of homes in Cameron County
  • Costs more per square foot than 93% of homes in Santa Rosa 78593
  • Smaller than 89% of homes in Cameron County
  • Has a bigger lot than 98% of homes in Cameron County

What homes are worth in Santa Rosa 78593

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

This home
$53K$409K

This home is worth more than 60% of homes in Santa Rosa 78593.

How it measures up in Santa Rosa 78593

The dot is this home. The mark in the middle is the typical home in Santa Rosa 78593.

Estimated value$142,150
CheaperTypical $126,040Pricier

Pricier than 60% of homes nearby

Price per ft²$185
CheaperTypical $97Pricier

Pricier than 93% of homes nearby

Living area768 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than 15% of homes nearby

Lot size10 ac
SmallerTypical 0.7 acBigger

Bigger than 95% of homes nearby

Year built1988
OlderTypical 1986Newer

Newer than 52% of homes nearby

How 21818 Rabb Rd ranks against every home in each area.
MeasureThis homeSanta Rosa 78593Cameron County
Estimated valuepricier than$142,15060% of homes27% of homes
Price per ft²pricier than$18593% of homes82% of homes
Living areabigger than768 ft²15% of homes11% of homes
Lot sizebigger than10 ac95% of homes98% of homes
Year builtnewer than198852% of homes46% of homes

About 21818 Rabb Rd

How much is 21818 Rabb Rd, Santa Rosa, TX worth?

The TopHap Estimate for 21818 Rabb Rd, Santa Rosa, TX is $142,150 as of Aug 30, 2026. The likely range is $74,020 to $210,280. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21818 Rabb Rd, Santa Rosa, TX last sell?

21818 Rabb Rd, Santa Rosa, TX last sold on Nov 18, 2005, according to the county's recorded deed.

When was 21818 Rabb Rd, Santa Rosa, TX built?

21818 Rabb Rd, Santa Rosa, TX was built in 1988, making it 38 years old. The building has 1 story.

What schools serve 21818 Rabb Rd, Santa Rosa, TX?

21818 Rabb Rd, Santa Rosa, TX is assigned to Jo Nelson Middle School (middle), rated C+; Santa Rosa High School (high), rated C+; Elma E Barrera Elementary School (elementary), rated B. All sit in Santa Rosa Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21818 Rabb Rd, Santa Rosa, TX compare to other homes in Santa Rosa 78593?

Among the 2,092 homes in Santa Rosa 78593, it is worth more than 60% of them ($142,150 against a typical $126,040), its price per square foot is higher than 93% of them ($185 against a typical $97), it is bigger than 15% of them (768 ft² against a typical 1,216 ft²), its lot is bigger than 95% of them (10 ac against a typical 0.7 ac) and it is newer than 52% of them (1988 against a typical 1986). Measured against all of Cameron County, it is worth more than 27% 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 21818 Rabb Rd, Santa Rosa, TX?

The 2025 property tax bill for 21818 Rabb Rd, Santa Rosa, TX was $951. The county assessed it at $68,584.

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