Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$296,136$170 / 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 96How 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

420 VALLE ALTO DR

LOS FRESNOS, TX 78566
3
Beds
0
Baths
1,746 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$296K
$286K low$307K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,676 (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.$327,697 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$61,425
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$266,272
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$313,679
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$327,697

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
Lot (acres)The size of the land the home sits on, from county records.0.14
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 225 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.

E
Lopez-Riggins Elementary SchoolA-
Elementary · Grades PK–5 · 0.3 mi
H
Los Fresnos High SchoolB-
High · Grades 9–12 · 0.9 mi
M
Los Cuates Middle SchoolA-
Middle · Grades 6–8 · 1.0 mi

District: Los Fresnos Consolidated Independent School District

Neighborhood · ZIP 78566These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.25%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.21,383
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.135 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,969
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,153
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.29 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

420 Valle Alto Dr 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 80% of homes in Cameron County
  • Costs more per square foot than 75% of homes in Cameron County
  • Bigger than 71% of homes in Cameron County
  • Has a smaller lot than 82% of homes in Los Fresnos 78566

What homes are worth in Los Fresnos 78566

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

This home
$76K$577K

This home is worth more than 76% of homes in Los Fresnos 78566.

How it measures up in Los Fresnos 78566

The dot is this home. The mark in the middle is the typical home in Los Fresnos 78566.

Estimated value$296,136
CheaperTypical $210,881Pricier

Pricier than 76% of homes nearby

Price per ft²$170
CheaperTypical $153Pricier

Pricier than 69% of homes nearby

Living area1,746 ft²
SmallerTypical 1,408 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.14 ac
SmallerTypical 0.49 acBigger

Bigger than 18% of homes nearby

How 420 Valle Alto Dr ranks against every home in each area.
MeasureThis homeLos Fresnos 78566Cameron County
Estimated valuepricier than$296,13676% of homes80% of homes
Price per ft²pricier than$17069% of homes75% of homes
Living areabigger than1,746 ft²65% of homes71% of homes
Lot sizebigger than0.14 ac18% of homes36% of homes

About 420 Valle Alto Dr

How much is 420 Valle Alto Dr, Los Fresnos, TX worth?

The TopHap Estimate for 420 Valle Alto Dr, Los Fresnos, TX is $296,136 as of Aug 30, 2026. The likely range is $285,630 to $306,642. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 Valle Alto Dr, Los Fresnos, TX last sell?

420 Valle Alto Dr, Los Fresnos, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 420 Valle Alto Dr, Los Fresnos, TX?

420 Valle Alto Dr, Los Fresnos, TX has 3 bedrooms, 1,746 square feet of living space and a 0.14-acre lot.

What schools serve 420 Valle Alto Dr, Los Fresnos, TX?

420 Valle Alto Dr, Los Fresnos, TX is assigned to Lopez-Riggins Elementary School (elementary), rated A-; Los Fresnos High School (high), rated B-; Los Cuates Middle School (middle), rated A-. All sit in Los Fresnos Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 420 Valle Alto Dr, Los Fresnos, TX compare to other homes in Los Fresnos 78566?

Among the 8,500 homes in Los Fresnos 78566, it is worth more than 76% of them ($296,136 against a typical $210,881), its price per square foot is higher than 69% of them ($170 against a typical $153), it is bigger than 65% of them (1,746 ft² against a typical 1,408 ft²) and its lot is bigger than 18% of them (0.14 ac against a typical 0.49 ac). Measured against all of Cameron County, it is worth more than 80% 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 420 Valle Alto Dr, Los Fresnos, TX?

The 2025 property tax bill for 420 Valle Alto Dr, Los Fresnos, TX was $5,676. The county assessed it at $327,697.

More homes on Valle Alto Dr

Closest homes

More homes in Los Fresnos 78566

Assigned schools

Explore the area

See this home in context

Open 420 Valle Alto Dr 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