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Single Family ResidenceResidential
$64,000$63 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $38,570 on Feb 13, 2023

521 AVENUE O

RALLS, TX 79357
0
Baths
1,008 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.

Valuation

$64K
$57K low$71K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$38,570 · Feb 13, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,117 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$47,720 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,140
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$43,580
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$41,980
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$47,720

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.49
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
93
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
93
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
24
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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
CountyCROSBY
Lot (acres)The size of the land the home sits on, from county records.0.48
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

H
Ralls High SchoolD-
High · Grades 9–12 · 18.6 mi
M
Ralls Middle SchoolF
Middle · Grades 6–8 · 18.6 mi
E
Ralls Elementary SchoolF
Elementary · Grades PK–5 · 19.1 mi

District: Ralls Independent School District

Neighborhood · ZIP 79357These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.1,916
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,002
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,136
Average tempThe average temperature here across a full year.60°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.71%

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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

521 Avenue O 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 69% of homes in Crosby County
  • Smaller than 77% of homes in Ralls 79357
  • Has a bigger lot than 85% of homes in Ralls 79357

What homes are worth in Ralls 79357

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

This home
$27K$282K

This home is worth more than 37% of homes in Ralls 79357.

How it measures up in Ralls 79357

The dot is this home. The mark in the middle is the typical home in Ralls 79357.

Estimated value$64,000
CheaperTypical $85,352Pricier

Pricier than 37% of homes nearby

Price per ft²$63
CheaperTypical $59Pricier

Pricier than 57% of homes nearby

Living area1,008 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.48 ac
SmallerTypical 0.3 acBigger

Bigger than 85% of homes nearby

Year built1950
OlderTypical 1950Newer

Newer than 54% of homes nearby

How 521 Avenue O ranks against every home in each area.
MeasureThis homeRalls 79357Crosby County
Estimated valuepricier than$64,00037% of homes31% of homes
Price per ft²pricier than$6357% of homes49% of homes
Living areabigger than1,008 ft²23% of homes23% of homes
Lot sizebigger than0.48 ac85% of homes82% of homes
Year builtnewer than195054% of homes52% of homes

About 521 Avenue O

How much is 521 Avenue O, Ralls, TX worth?

The TopHap Estimate for 521 Avenue O, Ralls, TX is $64,000 as of Sep 24, 2026. The likely range is $57,400 to $70,600. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Avenue O, Ralls, TX last sell?

521 Avenue O, Ralls, TX last sold on Feb 13, 2023 for $38,570, according to the county's recorded deed.

How big is 521 Avenue O, Ralls, TX?

521 Avenue O, Ralls, TX has 1,008 square feet of living space and a 0.48-acre lot.

When was 521 Avenue O, Ralls, TX built?

521 Avenue O, Ralls, TX was built in 1950, making it 76 years old.

What schools serve 521 Avenue O, Ralls, TX?

521 Avenue O, Ralls, TX is assigned to Ralls High School (high), rated D-; Ralls Middle School (middle), rated F; Ralls Elementary School (elementary), rated F. All sit in Ralls Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Avenue O, Ralls, TX compare to other homes in Ralls 79357?

Among the 862 homes in Ralls 79357, it is worth more than 37% of them ($64,000 against a typical $85,352), its price per square foot is higher than 57% of them ($63 against a typical $59), it is bigger than 23% of them (1,008 ft² against a typical 1,400 ft²), its lot is bigger than 85% of them (0.48 ac against a typical 0.3 ac) and it is newer than 54% of them (1950 against a typical 1950). Measured against all of Crosby County, it is worth more than 31% 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 521 Avenue O, Ralls, TX?

The 2026 property tax bill for 521 Avenue O, Ralls, TX was $1,117. The county assessed it at $47,720.

More homes on Avenue O

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Assigned schools

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