Cameron County property record for 603 E Madison Ave, Harlingen, TX 78550 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 1,145 sqft · built 1945 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $743 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 150000-0300-012000 |
| Primary APN | 150000-0300-012000 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,145 sqft Living Area |
| 1st Floor Area | 1,145 sqft |
| Flooring | Concrete/Cement |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | Townhouse |
| Exterior Material | Brick Veneer |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 7,000 sqft (0.161 acres) |
| Lot Dimensions | 70 ft deep x 50 ft wide |
| Garage Type | Carport |
| Carport | Carport |
| Porch | Open Frame Porch |
| Porch Area | 546 sqft |
| Storage Building | 72 sqft |
| Heating Fuel | Gas |
|---|---|
| Sewer | Septic |
| Street Address | 603 E MADISON AVE |
|---|---|
| City | HARLINGEN |
| State | TX |
| Zip | 78550-5562 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HARLINGEN ORIGINAL TOWNSITE LOT 12 BLK 30 |
| Legal Subdivision | HARLINGEN ORIGINAL TOWNSITE (VOL 2 PG 14 |
| Legal Block | 30 |
| Legal Lot Number | 12 |
| Jurisdiction | CAMERON TX |
| Township / Civil Division | HARLINGEN-SAN BENITO |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 10900 |
Source: Cameron County records · APN 150000-0300-012000
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 | Individual Name on File |
|---|---|
| Mailing Address | 603 E MADISON AVE, HARLINGEN, TX 78550-5562 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 06, 2000 |
| Deed Sale | Jul 06, 2000 |
| Deed Document Number | 200030101 |
| Deed Book / Page | 6398 / 200 |
| Record Updated | Sep 20, 2026 |
Source: Cameron County records · Assessment roll updated August 13, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Cameron County |
| Municipality | Harlingen City |
| Unified School District | Harlingen Consolidated Independent School District (PK - 12) |
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 | $105,004 (+7.69%) | $124,234 (+2.99%) Land $45,150 Building $79,084 | |
| 2025 | $743.00 (-20.53%) Homeowner's exemption Senior Citizen's exemption | $97,510 (-9.14%) Land $45,150 Building $75,473 | $120,623 (+12.39%) Land $45,150 Building $75,473 |
| 2023 | $107,323 Land $31,850 Building $75,473 | $107,323 Land $31,850 Building $75,473 | |
| 2022 | $935.00 |
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
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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