Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$49,151$46 / 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 64How 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

20458 THOMPSON RD

SANTA ROSA, TX 78593
0
Baths
1,072 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.
1980
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$49K
$31K low$67K 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.$49,151
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$39,321

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$296 (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.$16,265 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$16,265
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$16,265
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$16,265

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
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyCAMERON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2000
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood 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 · 64 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%

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

20458 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.

  • Among the least valuable homes in Cameron County
  • Among the lowest price per square foot in Santa Rosa 78593
  • Smaller than 71% of homes in Cameron County
  • Older than 67% 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
$44K$407K

This home is worth more than 4% 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$49,151
CheaperTypical $125,469Pricier

Pricier than 4% of homes nearby

Price per ft²$46
CheaperTypical $102Pricier

Cheaper than almost all homes nearby

Living area1,072 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than 38% of homes nearby

Year built1980
OlderTypical 1986Newer

Newer than 43% of homes nearby

How 20458 Thompson Rd ranks against every home in each area.
MeasureThis homeSanta Rosa 78593Cameron County
Estimated valuepricier than$49,1514% of homesalmost no homes
Price per ft²pricier than$46almost no homesalmost no homes
Living areabigger than1,072 ft²38% of homes29% of homes
Year builtnewer than198043% of homes33% of homes

About 20458 Thompson Rd

How much is 20458 Thompson Rd, Santa Rosa, TX worth?

The TopHap Estimate for 20458 Thompson Rd, Santa Rosa, TX is $49,151 as of Jul 14, 2026. The likely range is $31,248 to $67,054. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20458 Thompson Rd, Santa Rosa, TX last sell?

20458 Thompson Rd, Santa Rosa, TX last sold on Jan 1, 1900, according to the county's recorded deed.

When was 20458 Thompson Rd, Santa Rosa, TX built?

20458 Thompson Rd, Santa Rosa, TX was built in 1980, making it 46 years old. It is a mobile home home. The building has 1 story.

What schools serve 20458 Thompson Rd, Santa Rosa, TX?

20458 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 20458 Thompson Rd, Santa Rosa, TX compare to other homes in Santa Rosa 78593?

Among the 2,098 homes in Santa Rosa 78593, it is worth more than 4% of them ($49,151 against a typical $125,469), its price per square foot is higher than almost none of them ($46 against a typical $102), it is bigger than 38% of them (1,072 ft² against a typical 1,216 ft²) and it is newer than 43% of them (1980 against a typical 1986). Measured against all of Cameron County, it is worth more than almost no 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 20458 Thompson Rd, Santa Rosa, TX?

The 2025 property tax bill for 20458 Thompson Rd, Santa Rosa, TX was $296. The county assessed it at $16,265.

Closest homes

More homes in Santa Rosa 78593

Assigned schools

Explore the area

See this home in context

Open 20458 Thompson Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map