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Single Family ResidenceResidential
$97,672
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 62How 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
Last sold for $35,600 on Aug 13, 2004

20490 THOMPSON RD

SANTA ROSA, TX 78593
0
Baths
1.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.

Valuation

$98K
$60K low$135K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,600 · Aug 13, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$826 (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.$49,589 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$88,723
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$87,000

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.59
46
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
69
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.
35
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.11 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
CountyCAMERON
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 · 840 ft²

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

E
Elma E Barrera Elementary SchoolB
Elementary · Grades PK–5 · 1.4 mi
H
Santa Rosa High SchoolC+
High · Grades 9–12 · 1.5 mi
M
Jo Nelson Middle SchoolC+
Middle · Grades 6–8 · 1.5 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

20490 Thompson 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 88% of homes in Cameron County
  • Has a bigger lot than 90% of homes in Cameron County
  • Newer than 73% of homes in Santa Rosa 78593

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
$45K$396K

This home is worth more than 31% 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$97,672
CheaperTypical $125,999Pricier

Pricier than 31% of homes nearby

Lot size1.2 ac
SmallerTypical 0.7 acBigger

Bigger than 68% of homes nearby

Year built1999
OlderTypical 1986Newer

Newer than 73% of homes nearby

How 20490 Thompson Rd ranks against every home in each area.
MeasureThis homeSanta Rosa 78593Cameron County
Estimated valuepricier than$97,67231% of homes12% of homes
Lot sizebigger than1.2 ac68% of homes90% of homes
Year builtnewer than199973% of homes65% of homes

About 20490 Thompson Rd

How much is 20490 Thompson Rd, Santa Rosa, TX worth?

The TopHap Estimate for 20490 Thompson Rd, Santa Rosa, TX is $97,672 as of Jul 14, 2026. The likely range is $60,414 to $134,930. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20490 Thompson Rd, Santa Rosa, TX last sell?

20490 Thompson Rd, Santa Rosa, TX last sold on Aug 13, 2004 for $35,600, according to the county's recorded deed.

When was 20490 Thompson Rd, Santa Rosa, TX built?

20490 Thompson Rd, Santa Rosa, TX was built in 1999, making it 27 years old.

What schools serve 20490 Thompson Rd, Santa Rosa, TX?

20490 Thompson Rd, Santa Rosa, TX is assigned to Elma E Barrera Elementary School (elementary), rated B; Santa Rosa High School (high), rated C+; Jo Nelson Middle School (middle), rated C+. All sit in Santa Rosa Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20490 Thompson 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 31% of them ($97,672 against a typical $125,999), its lot is bigger than 68% of them (1.2 ac against a typical 0.7 ac) and it is newer than 73% of them (1999 against a typical 1986). Measured against all of Cameron County, it is worth more than 12% 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 20490 Thompson Rd, Santa Rosa, TX?

The 2025 property tax bill for 20490 Thompson Rd, Santa Rosa, TX was $826. The county assessed it at $49,589.

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Assigned schools

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