Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$259,094$181 / 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 95How 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

3517 E DIAMOND HEAD AVE

TX
3
Beds
2
Baths
1,432 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.
2023
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$259K
$247K low$272K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,578 (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.$220,102 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$44,418
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$175,684
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$223,188
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$220,102

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
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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 · 60 ft²Porch · 30 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

3517 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 83% of homes in Alton
  • Costs more per square foot than 93% of homes in Alton
  • Has a smaller lot than 96% of homes in Alton
  • Newer than 96% of 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$259,094
CheaperTypical $181,474Pricier

Pricier than 83% of homes nearby

Price per ft²$181
CheaperTypical $131Pricier

Pricier than 93% of homes nearby

Living area1,432 ft²
SmallerTypical 1,420 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.13 ac
SmallerTypical 0.17 acBigger

Bigger than 4% of homes nearby

Year built2023
OlderTypical 2001Newer

Newer than 96% of homes nearby

How 3517 E Diamond Head Ave ranks against every home in each area.
MeasureThis homeAltonHidalgo County
Estimated valuepricier than$259,09483% of homes74% of homes
Price per ft²pricier than$18193% of homes93% of homes
Living areabigger than1,432 ft²51% of homes50% of homes
Lot sizebigger than0.13 ac4% of homes13% of homes
Year builtnewer than202396% of homes96% of homes

About 3517 E Diamond Head Ave

How much is 3517 E Diamond Head Ave, , TX worth?

The TopHap Estimate for 3517 E Diamond Head Ave, , TX is $259,094 as of Sep 24, 2026. The likely range is $246,651 to $271,537. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3517 E Diamond Head Ave, , TX last sell?

3517 E Diamond Head Ave, , TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3517 E Diamond Head Ave, , TX?

3517 E Diamond Head Ave, , TX has 3 bedrooms, 2 bathrooms, 1,432 square feet of living space and a 0.13-acre lot.

When was 3517 E Diamond Head Ave, , TX built?

3517 E Diamond Head Ave, , TX was built in 2023, making it 3 years old. The building has 1 story.

What schools serve 3517 E Diamond Head Ave, , TX?

3517 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 3517 E Diamond Head Ave, , TX compare to other homes in Alton?

Among the 4,976 homes in Alton, it is worth more than 83% of them ($259,094 against a typical $181,474), its price per square foot is higher than 93% of them ($181 against a typical $131), it is bigger than 51% of them (1,432 ft² against a typical 1,420 ft²), its lot is bigger than 4% of them (0.13 ac against a typical 0.17 ac) and it is newer than 96% of them (2023 against a typical 2001). Measured against all of Hidalgo County, it is worth more than 74% 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 3517 E Diamond Head Ave, , TX?

The 2025 property tax bill for 3517 E Diamond Head Ave, , TX was $5,578. The county assessed it at $220,102.

Closest homes

Assigned schools

Explore the area

See this home in context

Open 3517 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