517 E Williamson Ave, Harlingen, TX 78550 Property Records

Cameron County property record for 517 E Williamson Ave, Harlingen, TX 78550 · Last verified August 2026

Property Highlights

Property Type	Residential > Single Family > Home
Year Built	Built 1974
Square Footage	1,912 sqft Living Area
Lot Size	31,193 sqft (0.716 acres)
Garage	Attached, 440 sqft
Occupancy	Owner Occupied
Tax Bill	$1,302.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`173150-0010-004000`
Alternative APN	`69984`

Interior

Building Area	1,912 sqft Living Area
Gross Area	2,352 sqft Gross Area
1st Floor	1,912 sqft 1st Floor
Stories	1 Stories
Primary Flooring	Concrete/Cement Flooring
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1974
Effective Year Built	Effective 1974
Exterior Material	Brick Veneer Exterior
Roof Construction	Gable/Hip Roof Construction
Roof Material	Composition Shingle Roof
Lot Area	31,193 sqft (0.716 acres)
Depth X Width	208 ft x 150 ft Depth x Width
Driveway	Driveway Concrete
Driveway Area	2,754 sqft Driveway
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	440 sqft Garage
Porch Area	804 sqft Porch
Storage Building	440 sqft Storage Building

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Central Heating

Location & Zoning

Street Address	517 E WILLIAMSON AVE
City	HARLINGEN
State	TX
Zip	78550-4320
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 4, 5, & 6 BLK 1 EDWARD F SMALL SUBDIVISION
Legal Subdivision	EDWARD F SMALL SUBDIVISION
Legal Block	1
Legal Lot Number	4,5
Jurisdiction	CAMERON TX
Minor Civil Division	HARLINGEN-SAN BENITO
Census Blockgroup	2
Census Block	2006
Census Tract	10603

Owner

Source: Cameron County records · APN 173150-0010-004000

Assessment roll updated August 13, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	517 E WILLIAMSON AVE, HARLINGEN, TX 78550-4320
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Dec 19, 2008
Transfer Doc	15800/254
Record Refreshed	Sep 20, 2026

Tax Assessment & Valuation

Source: Cameron County records · Assessment roll updated August 13, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	Texas
County	Cameron County
Municipality	Harlingen City
Unified School District	Harlingen Consolidated Independent School District (PK - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$175,832 (+1%)	$239,845 (+10.51%) Land $119,311 Building $120,534
2025	$1,302.00 (+2.84%) Homeowner's exemption Senior Citizen's exemption	$159,847 (-4.47%)	$217,044 (+29.72%) Land $96,510 Building $120,534
2024	$1,266.00 (+1.44%)
2023	$1,248.00 (-39%) Homeowner's exemption Senior Citizen's exemption Additional exemption filed	$167,323 Land $46,789 Building $120,534	$167,323 Land $46,789 Building $120,534
2022	$2,046.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Cameron County (48061C), updated July 18, 2018 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not exposed less than 1% of the US · less than 1% of Texas
Wildfire Likelihood	Less than 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.