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Single Family ResidenceResidential
$73,231$95 / 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 Oct 21, 2026

434 PATRICIA ST

MERCEDES, TX 78570
1
Beds
1
Baths
770 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.
2016
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$73K
$69K low$77K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,345 (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.$94,444 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$55,444
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$109,518
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$94,444

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.''

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
CountyHIDALGO
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
John F. Kennedy Elementary SchoolD-
Elementary · Grades PK–5 · 0.7 mi
H
Mercedes High SchoolF
High · Grades 9–12 · 1.0 mi
M
Sgt. William G. Harrell Middle SchoolF
Middle · Grades 6–8 · 1.9 mi

District: Mercedes Independent School District

Neighborhood · ZIP 78570These 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.107
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 100.10

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.32%
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.34,018
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.391 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$40,415
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$53,855
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

434 Patricia St 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 97% of homes in Hidalgo County
  • Costs less per square foot than 84% of homes in Hidalgo County
  • Smaller than 92% of homes in Hidalgo County
  • Has a smaller lot than 87% of homes in Mercedes 78570
  • Newer than 89% of homes in Mercedes 78570

What homes are worth in Mercedes 78570

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

This home
$51K$392K

This home is worth more than 12% of homes in Mercedes 78570.

How it measures up in Mercedes 78570

The dot is this home. The mark in the middle is the typical home in Mercedes 78570.

Estimated value$73,231
CheaperTypical $131,694Pricier

Pricier than 12% of homes nearby

Price per ft²$95
CheaperTypical $98Pricier

Pricier than 47% of homes nearby

Living area770 ft²
SmallerTypical 1,248 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.14 ac
SmallerTypical 0.21 acBigger

Bigger than 13% of homes nearby

Year built2016
OlderTypical 1990Newer

Newer than 89% of homes nearby

How 434 Patricia St ranks against every home in each area.
MeasureThis homeMercedes 78570Hidalgo County
Estimated valuepricier than$73,23112% of homes3% of homes
Price per ft²pricier than$9547% of homes16% of homes
Living areabigger than770 ft²10% of homes8% of homes
Lot sizebigger than0.14 ac13% of homes17% of homes
Year builtnewer than201689% of homes85% of homes

About 434 Patricia St

How much is 434 Patricia St, Mercedes, TX worth?

The TopHap Estimate for 434 Patricia St, Mercedes, TX is $73,231 as of Oct 21, 2026. The likely range is $69,093 to $77,369. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 434 Patricia St, Mercedes, TX last sell?

434 Patricia St, Mercedes, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 434 Patricia St, Mercedes, TX?

434 Patricia St, Mercedes, TX has 1 bedrooms, 1 bathrooms, 770 square feet of living space and a 0.14-acre lot.

When was 434 Patricia St, Mercedes, TX built?

434 Patricia St, Mercedes, TX was built in 2016, making it 10 years old. The building has 1 story.

What schools serve 434 Patricia St, Mercedes, TX?

434 Patricia St, Mercedes, TX is assigned to John F. Kennedy Elementary School (elementary), rated D-; Mercedes High School (high), rated F; Sgt. William G. Harrell Middle School (middle), rated F. All sit in Mercedes Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 434 Patricia St, Mercedes, TX compare to other homes in Mercedes 78570?

Among the 10,028 homes in Mercedes 78570, it is worth more than 12% of them ($73,231 against a typical $131,694), its price per square foot is higher than 47% of them ($95 against a typical $98), it is bigger than 10% of them (770 ft² against a typical 1,248 ft²), its lot is bigger than 13% of them (0.14 ac against a typical 0.21 ac) and it is newer than 89% of them (2016 against a typical 1990). Measured against all of Hidalgo County, it is worth more than 3% 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 434 Patricia St, Mercedes, TX?

The 2025 property tax bill for 434 Patricia St, Mercedes, TX was $2,345. The county assessed it at $94,444.

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