Home Value Report
1531 Harbor Island Dr
PORT ISABEL, TX 78578
Currently not for sale
$696,208
2025 Market Value Per Appraisal District
Listing traffic report table
Bedrooms 3
Full Bathrooms 0
Built Square Feet 2,572
Lot Square Feet 7,013

Valuations by Third Party Providers

Using a REALTOR is the best way to determine the market price of a home. Start this process by viewing the third-party valuations and then contact a Realtor to determine a reasonable purchase price for a home.

Home Value Comparables
AVM Value
$713K
$277.22/sqft
AVM Value
$466K
$181.34/sqft
AVM Value
$696K
$270.69/sqft
Value Range
$585K - $841K
Value Range
$432K - $500K
Value Range
$ 696,208
Confidence Score
82%

Margin of Error*: 18%
Confidence Score
91%

Margin of Error*: 7%
Confidence Score
NA
Limitations: This represents an estimated sale price for this property. It is not the same as the opinion of value in an appraisal developed by a licensed appraiser under the Uniform Standards of Professional Appraisal Practice. The values do not include a physical or visual inspection of the subject property. User shall not use the values in lieu of an appraisal by a licensed appraiser or as a basis for making any financial decision.

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General Description

1531 Harbor Island Dr (currently not for sale) is located in Walker Two Sub Cab subdivision in Cameron County. Scroll to see the property features, tax value, mortgage calculator, nearby schools and similar homes for sale. The property information herein and below is from the county appraisal district and should be independently verified.

Listing Status Currently not for sale
Market Value $696,208
Address 1531 Harbor Island Dr
City PORT ISABEL
State TX
Zip Code 78578
County Cameron County
Subdivision Walker Two Sub Cab
Legal Description LOT 7 BLK 1 WALKER TWO SUBDIVISION (CAB 1 SLOT 1535-A CCMR)
Bedroom 3 Bedroom(s)
Building Size 2,572 Sqft239 (m²)./Appraisal District
Lot Size 7,013 Sqft652 (m²)./Appraisal District
Year Built 2000 / Appraisal District
Property Tax
Cost/Sqft Based on Market Value
Market Value Per Appraisal District
Tax Year Cost/Sqft Market Value Change Tax Assessment Change
2013 $163.36 $420,166 $420,166
2014 $162.24 $417,276 -0.69% $417,276 -0.69%
2015 $161.11 $414,385 -0.69% $414,385 -0.69%
2016 $161.11 $414,385 0.00% $414,385 0.00%
2017 $159.99 $411,492 -0.70% $411,492 -0.70%
2018 $158.87 $408,604 -0.70% $408,604 -0.70%
2019 $166.57 $428,415 +4.85% $428,415 +4.85%
2020 $165.19 $424,870 -0.83% $424,870 -0.83%
2021 $163.81 $421,330 -0.83% $421,330 -0.83%
2022 $170.22 $437,793 +3.91% $437,793 +3.91%
2023 $276.99 $712,428 +62.73% $712,428 +62.73%
2024 $274.56 $706,158 -0.88% $706,158 -0.88%
2025 $270.69 $696,208 -1.41% $696,208 -1.41%
2025 County Appraisal District Tax Value
2025 County Appraisal District Tax Value
Market Land Value $139,648
Market Improvement Value $556,560
Total Market Value $696,208
Total Tax Amount $15,517
2025 Tax Rates
2025 Tax Rates
POINT ISABEL ISD 0.7303 %
SOUTH TEXAS ISD 0.0492 %
CITY OF PORT ISABEL 0.7904 %
CAMERON COUNTY 0.4244 %
LAGUNA MADRE WATER DISTRICT 0.1227 %
TX SOUTHMOST COLLEGE DIST 0.1118 %
Total Tax Rate 2.2288 %
Learn more about
Cameron County Appraisal District →
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