101 E Madison St, Port Isabel, TX 78578 Property Records

Cameron County property record for 101 E Madison St, Port Isabel, TX 78578

Property Summary

Property TypeSingle Family Home
Details1,543 sqft · built 1960
Lot Size0.138 acres (6,000 sqft)
OwnerIndividual Name on File
Tax Bill$4,989 (2025)
Flood ZoneZone X (moderate risk)
APN470000-0260-012000

Property Details

APN / Parcel Number

Primary APN470000-0260-012000
Alternative APN
  • 91990

Interior

Stories1 Story
Building Area1,543 sqft Living Area
Gross Area2,483 sqft
1st Floor Area1,543 sqft
FlooringConcrete/Cement
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1960
Effective Year BuiltEffective 1960
Architectural StyleTownhouse
Exterior MaterialBrick Veneer
Roof TypeGable/Hip
Lot Area6,000 sqft (0.138 acres)
Lot Dimensions120 ft deep x 50 ft wide
Garage TypeAttached
Garage Area240 sqft
DrivewayConcrete Driveway
Driveway Area2,896 sqft
Parking Spaces1 Parking Space
PorchSlab
Porch Area56 sqft
Storage Building96 sqft

Location & Zoning

Street Address101 E MADISON ST
CityPORT ISABEL
StateTX
Zip78578
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 12 BLK 26 PORT ISABEL ORIGINAL TOWNSITE (VOL 7 PG 23 MRCC)
Legal SubdivisionPORT ISABEL ORIGINAL TOWNSITE (VOL 7 PG
Legal Block26
Legal Lot Number12
JurisdictionCAMERON TX
Township / Civil DivisionEAST CAMERON
Census Block Group2
Census Block2044
Census Tract12304

Owner

101 E Madison St is owned by an individual who acquired it in March 2023.

Source: Cameron County records, as of August 13, 2026

Owner of RecordIndividual Name on File
Mailing Address7512 BROWNLEY PL, PLANO, TX 75025-2456
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

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateMar 7, 2023
Transfer Doc0202313120
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 101 E Madison St was $4,989, up 1.1% from the year before.

Source: Cameron County assessment roll, as of August 13, 2026

Property Jurisdictions

TypeName
StateTexas
CountyCameron County
MunicipalityPort Isabel City
Unified School DistrictPoint Isabel Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$219,386 (-2%) Land $49,800 Building $169,586$219,386 (-2%) Land $49,800 Building $169,586
2025$4,989.00 (+1.14%)$223,861 Land $49,800 Building $174,061$223,861 Land $49,800 Building $174,061
2024$4,933.00
2023$232,814 Land $49,800 Building $183,014$232,814 Land $49,800 Building $183,014
2022$1,621.00

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

Flood

FEMA maps place 101 E Madison St in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective July 18, 2018 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 50 policies
Nearby Flood Policies50 in force
Nearby Flood Claims108 (1980–2025)
Claims Outside the SFHA25 of 108
Most Recent ClaimMar 2025 · Severe Storms And Flooding
Claims by Event
  • Hurricane Hanna, Jul 2020 · 3 claims
  • Hurricane Dolly, Jul 2008 · 19 claims
  • Severe Storms & Flooding, Sep 1984 · 10 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 101 E Madison St 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 638 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
Verizon
Fixed Wireless
300 / 20
RGV Communications
Fixed Wireless
100 / 100

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

Nearby Properties on E Madison St

Nearby Streets

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