Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$146,713$148 / 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 94How 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

508 S OLVERA AVE

ROMA, TX 78584
0
Baths
990 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$147K
$138K low$155K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$609 (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.$54,230 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$43,730
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$47,840
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$54,230

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.56
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
84
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.
29
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Single Family Residence
CountyStarr
Lot (acres)The size of the land the home sits on, from county records.0.21

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

E
Roel A. & Celia R. Saenz Elementary SchoolA+
Elementary · Grades PK–5 · 1.1 mi
H
Roma High SchoolB
High · Grades 9–12 · 3.1 mi
M
Roma Middle SchoolB-
Middle · Grades 6–8 · 3.4 mi

District: Roma Independent School District

Neighborhood · ZIP 78584These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.44%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.3%
PopulationHow many people live in this area.19,917
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.63 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$26,517
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$37,168
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

Owner Tools

Do you own this home?
Claim this home

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

508 S Olvera Ave 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 more than 86% of homes in Roma 78584
  • Among the highest price per square foot in Roma 78584
  • Smaller than 76% of homes in Roma 78584
  • Has a bigger lot than 67% of homes in Roma 78584

What homes are worth in Roma 78584

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

This home
$33K$242K

This home is worth more than 86% of homes in Roma 78584.

How it measures up in Roma 78584

The dot is this home. The mark in the middle is the typical home in Roma 78584.

Estimated value$146,713
CheaperTypical $76,937Pricier

Pricier than 86% of homes nearby

Price per ft²$148
CheaperTypical $58Pricier

Pricier than almost all homes nearby

Living area990 ft²
SmallerTypical 1,330 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.21 ac
SmallerTypical 0.16 acBigger

Bigger than 67% of homes nearby

How 508 S Olvera Ave ranks against every home in each area.
MeasureThis homeRoma 78584Starr County
Estimated valuepricier than$146,71386% of homes81% of homes
Price per ft²pricier than$148almost all homes98% of homes
Living areabigger than990 ft²24% of homes24% of homes
Lot sizebigger than0.21 ac67% of homes57% of homes

About 508 S Olvera Ave

How much is 508 S Olvera Ave, Roma, TX worth?

The TopHap Estimate for 508 S Olvera Ave, Roma, TX is $146,713 as of Aug 30, 2026. The likely range is $138,146 to $155,280. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 508 S Olvera Ave, Roma, TX?

508 S Olvera Ave, Roma, TX has 990 square feet of living space and a 0.21-acre lot.

What schools serve 508 S Olvera Ave, Roma, TX?

508 S Olvera Ave, Roma, TX is assigned to Roel A. & Celia R. Saenz Elementary School (elementary), rated A+; Roma High School (high), rated B; Roma Middle School (middle), rated B-. All sit in Roma Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 508 S Olvera Ave, Roma, TX compare to other homes in Roma 78584?

Among the 6,037 homes in Roma 78584, it is worth more than 86% of them ($146,713 against a typical $76,937), its price per square foot is higher than almost all of them ($148 against a typical $58), it is bigger than 24% of them (990 ft² against a typical 1,330 ft²) and its lot is bigger than 67% of them (0.21 ac against a typical 0.16 ac). Measured against all of Starr County, it is worth more than 81% 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 508 S Olvera Ave, Roma, TX?

The 2025 property tax bill for 508 S Olvera Ave, Roma, TX was $609. The county assessed it at $54,230.

More homes on S Olvera Ave

Closest homes

More homes in Roma 78584

Assigned schools

Explore the area

See this home in context

Open 508 S Olvera Ave 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