Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$237,501$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 Sep 24, 2026
Last sold for $233,050 on Apr 2, 2024

3520 E DIAMOND HEAD AVE

TX
3
Beds
2
Baths
1,395 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
2024
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$238K
$227K low$248K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$233,050 · Apr 2, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,223 (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.$239,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,082
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$193,918
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$249,026
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$239,000

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.0.13
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.Patio · 96 ft²Porch · 26 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
Jessie L. Jensen Elementary SchoolC+
Elementary · Grades PK–6 · 0.1 mi
H
Sharyland Pioneer High SchoolB-
High · Grades 9–12 · 1.0 mi
M
Sharyland North Junior High SchoolB+
Middle · Grades 7–8 · 2.1 mi

District: Sharyland Independent School District

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

3520 E Diamond Head 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 74% of homes in Alton
  • Costs more per square foot than 88% of homes in Hidalgo County
  • Has a smaller lot than 94% of homes in Alton
  • Among the newest homes in Alton

How it measures up in Alton

The dot is this home. The mark in the middle is the typical home in Alton.

Estimated value$237,501
CheaperTypical $181,000Pricier

Pricier than 74% of homes nearby

Price per ft²$170
CheaperTypical $131Pricier

Pricier than 87% of homes nearby

Living area1,395 ft²
SmallerTypical 1,422 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.13 ac
SmallerTypical 0.17 acBigger

Bigger than 6% of homes nearby

Year built2024
OlderTypical 2001Newer

Newer than almost all homes nearby

How 3520 E Diamond Head Ave ranks against every home in each area.
MeasureThis homeAltonHidalgo County
Estimated valuepricier than$237,50174% of homes67% of homes
Price per ft²pricier than$17087% of homes88% of homes
Living areabigger than1,395 ft²47% of homes47% of homes
Lot sizebigger than0.13 ac6% of homes14% of homes
Year builtnewer than2024almost all homes98% of homes

About 3520 E Diamond Head Ave

How much is 3520 E Diamond Head Ave, , TX worth?

The TopHap Estimate for 3520 E Diamond Head Ave, , TX is $237,501 as of Sep 24, 2026. The likely range is $226,843 to $248,159. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3520 E Diamond Head Ave, , TX last sell?

3520 E Diamond Head Ave, , TX last sold on Apr 2, 2024 for $233,050, according to the county's recorded deed.

How big is 3520 E Diamond Head Ave, , TX?

3520 E Diamond Head Ave, , TX has 3 bedrooms, 2 bathrooms, 1,395 square feet of living space and a 0.13-acre lot.

When was 3520 E Diamond Head Ave, , TX built?

3520 E Diamond Head Ave, , TX was built in 2024, making it 2 years old. The building has 1 story.

What schools serve 3520 E Diamond Head Ave, , TX?

3520 E Diamond Head Ave, , TX is assigned to Jessie L. Jensen Elementary School (elementary), rated C+; Sharyland Pioneer High School (high), rated B-; Sharyland North Junior High School (middle), rated B+. All sit in Sharyland Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3520 E Diamond Head Ave, , TX compare to other homes in Alton?

Among the 4,976 homes in Alton, it is worth more than 74% of them ($237,501 against a typical $181,000), its price per square foot is higher than 87% of them ($170 against a typical $131), it is bigger than 47% of them (1,395 ft² against a typical 1,422 ft²), its lot is bigger than 6% of them (0.13 ac against a typical 0.17 ac) and it is newer than almost all of them (2024 against a typical 2001). Measured against all of Hidalgo County, it is worth more than 67% 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 3520 E Diamond Head Ave, , TX?

The 2025 property tax bill for 3520 E Diamond Head Ave, , TX was $6,223. The county assessed it at $239,000.

Closest homes

Assigned schools

Explore the area

See this home in context

Open 3520 E Diamond Head 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