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637 E Thornhill Ave, McAllen, TX 78503 Property Records

Hidalgo County property record for 637 E Thornhill Ave, McAllen, TX 78503

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 2,287 sqft · built 2005
Lot Size0.167 acres (7,259 sqft)
OwnerIndividual Name on File
Tax Bill$4,578 (2025)
Deeds & MortgagesMay 2023 Sale
Mar 2020 Sale
APNL339200000001100

Property Details

APN / Parcel Number

Primary APNL339200000001100
Alternative APNs
  • R685610
  • 685610

Interior

Bedrooms3 Beds
Full Baths1 Bath
Stories1 Story
Building Area2,287 sqft Living Area
Gross Area2,779 sqft
1st Floor Area2,287 sqft
FlooringTile

Exterior

Year BuiltBuilt 2005
Effective Year BuiltEffective 2005
Exterior MaterialStucco
Roof TypeHip
Roof MaterialTile
Lot Area7,259 sqft (0.167 acres)
Garage TypeAttached
Garage Area462 sqft
Parking Spaces2 Parking Spaces
PorchCovered Porch
Porch Area30 sqft
Patio Area90 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address637 E THORNHILL AVE
CityMCALLEN
StateTX
Zip78503-1544
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRK
Legal DescriptionLAS VILLITAS LOT 11
Legal SubdivisionLAS VILLITAS
Legal Tract11
Legal Block2
Legal Lot Number11
JurisdictionHIDALGO TX
Township / Civil DivisionMCALLEN-PHARR
Census Block Group2
Census Block2002
Census Tract21203

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Individually ListedLouisiana-Rio Grande Canal Company Irrigation System
listed 1995 · 3 contributing resources · NRIS 95001284

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

637 E Thornhill Ave is owned and occupied by an individual who acquired it in May 2023.

Source: Hidalgo County records, as of September 16, 2026

Owner of RecordIndividual Name on File
Mailing Address637 E THORNHILL AVE, MCALLEN, TX 78503-1544
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
May 12, 2023Special Warranty Deed, Transfer
SAN JACINTO TITLE SVCS-MCALLEN, SAN JACINTO TTL SVCS MCALLEN
Mar 16, 2020Warranty Deed, Transfer
LANDTITLE TX LLC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 12, 2023
Deed SaleMay 12, 2023
Prior SaleJul 19, 2005 · Amount on File
Deed Document Number20233447523
Prior Transfer DateJul 1, 2005
Prior Transfer Doc0001498352
Record UpdatedOct 29, 2026

May 2023: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionHIDALGO TX
Recording DateMay 12, 2023
Property Address637 E THORNHILL AVE, MCALLEN, TX 78503-1544
Document Number0003447523
Map ReferenceVOL 45 PG 107
Instrument DateMay 10, 2023
Instrument3447523
Transaction TypeTransfer
Record UpdatedMay 29, 2023
Title CompanySAN JACINTO TITLE SVCS-MCALLEN, SAN JACINTO TTL SVCS MCALLEN

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
AddressSAN PEDRO GARZA GARCIA, NEEVO LEON, ME

Transferred To (Grantee/Buyer)

NameVerified Name
Address600 WITCHITA #106 # 106, 106, MCALLEN, TX 78503-3040

March 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionHIDALGO TX
Recording DateMar 16, 2020
Property Address637 E THORNHILL AVE, MCALLEN, TX 78503-1544
Document Number0003098171
Instrument DateMar 10, 2020
Instrument3098171
Transaction TypeTransfer
Record UpdatedJun 12, 2020
Title CompanyLANDTITLE TX LLC

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
AddressPO BOX 3613 MISSION TX 785730062, MISSION, TX 78573-0062

Tax Assessment & Valuation

The 2025 property tax bill for 637 E Thornhill Ave was $4,578 with exemptions applied, down 18.8% from the year before.

Source: Hidalgo County assessment roll, as of September 16, 2026

Property Jurisdictions

TypeName
StateTexas
CountyHidalgo County
MunicipalityMcAllen City
Unified School DistrictPharr-San Juan-Alamo Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$264,716 (-1%) Land $97,997 Building $166,719$264,716 (-1%) Land $97,997 Building $166,719
2025$4,578.00 (-18.76%) Homeowner's exemption Senior Citizen's exemption$294,129 Land $97,997 Building $196,132$294,129 Land $97,997 Building $196,132
2024$5,635.00 (-32.59%)
2023$8,359.00 (+13.54%)$352,739 Land $97,997 Building $254,742$352,739 Land $97,997 Building $254,742
2022$7,362.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA has no flood map on file for 637 E Thornhill Ave; there have been 4 flood claims nearby since 2008.

Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneNot on file
Flood Insurance CostPremium on File
median of 34 policies
Nearby Flood Policies34 in force
Nearby Flood Claims4 (2008–2025)
Claims Outside the SFHA4 of 4
Most Recent ClaimMar 2025 · Severe Storms And Flooding
Claims by Event
  • Severe Storms And Flooding, Mar 2025 · 3 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

The area around 637 E Thornhill Ave has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemMCALLEN PUBLIC UTILITY
serves 145,050 people · EPA ID TX1080006
Water SourceSurface water
Last State InspectionJul 2025
Lead2 ppb (2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 440 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area		1,000 / 1,000
TWIN
Fixed Wireless		400 / 100
VTX Communications
Fixed Wireless		400 / 50
Verizon
Fixed Wireless		300 / 20

May also be available: AT&T, T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

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