Spacious Duplex with Three
For Sale
$599,000
129 E Gardenia Street, South Padre Island, TX 78597
MULTI_FAMILY - South Padre Island, TX
Property Size2,625 SF
Lot Size0.14 Acres
Price / SF$228.19
Days on Market10
Property Features for 129 E Gardenia Street
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Parking
4
Exterior features
Balcony, Mature Trees
Appliances
Electric Water Heater, Smooth Electric Cooktop
Subdivision
Padre Beach Section Viii
Lot features
Mature Trees
Elementary school
Port Isabel
Middle school
Port Isabel Junior High
High school
Port Isabel H.S.
Elementary school district
Port Isabel ISD
Middle school district
Port Isabel ISD
High school district
Port Isabel ISD
Directions
Get on I-69C S in Pharr from E Fern Ave and W Eldora Rd Take I-2/US-83 E and I-69E S/US-77 S to TX-48 E in Cameron County. Exit from TX-550 Continue on TX-48 E. Take TX-100 E/Queen Isabella Causeway to E Gardenia St in South Padre Island
Standard status
Active
APN
6764001120016000
Size
2,625 SF
Lot size
0.14 Acres
Taxes and HOA fees
Tax Year
2025
Tax Annual Amount
2182
Utilities
Heating system
Central, Electric (Heating)
Cooling system
Central Air, Electric
Water front
1
Building Details
Year built
1970
Floors in Building
3
Number of units
2
Building materials
Siding
Roof type
Composition
Listing Agency:
Keller Williams Realty RGV
(956) 928-1155
Listed By:
Deldi M. Ortegon · License #0433744
(956) 225-5509
Added: Jul 21
Changed: Jul 29
Last Checked: Jul 30 at 1:06PM
MLS# 510148
Copyright © 2026 Greater McAllen Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
This for-sale duplex includes two separate units, each with three bedrooms and two full bathrooms. Each unit has a full kitchen, a functional layout, and generous closet space. Three balconies provide outdoor space for the island lifestyle, and the property also offers a large backyard.
The address is 129 E Gardenia Street in South Padre Island, Texas (Cameron County). Public remarks note the home is located just steps from the beaches of South Padre Island.
With a duplex configuration, the property supports flexible use based on how you plan to occupy or rent the units.
The address is 129 E Gardenia Street in South Padre Island, Texas (Cameron County). Public remarks note the home is located just steps from the beaches of South Padre Island.
With a duplex configuration, the property supports flexible use based on how you plan to occupy or rent the units.
Key Highlights
- Duplex built in 1970 with 2 units
- Each unit features 3 bedrooms and 2 full bathrooms
- Full kitchens in each unit with electric smooth cooktop and electric water heater
Financial Insights For Multifamily LT 5
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $33.1k | $12.60 |
| − Vacancy | −$2.1k | −$0.81 |
| EGI | $30.9k | $11.79 |
| − OpEx | −$9.3k | −$3.54 |
| NOI | $21.7k | $8.25 |
2,625 SF · lease $12.60/SF/yr · vacancy 6.46% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$309.4K
$270.7K – $361.0K
NOI $21,657 @ 7.0% cap · market cap 3.62%
Second Best
Apartment 5plus
$283.7K
$248.3K – $331.0K
NOI $19,861 @ 7.0% cap · market cap 3.32%
Theoretical Best
Healthcare Medical
$452.0K
$395.5K – $527.3K
NOI $31,639 @ 7.0% cap · market cap 5.28%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
2
Residential units
Multi-tenant
Tenancy
Location Intelligence
Trade Area within ½ mile
421
Businesses Nearby
Explore this area
Business Placement
Demographics for 78597, TX
2,479
Population
5,895
Households
0.4
Avg Household Size
56
Median Age
53%
College-Educated
92%
High-School Grad
8.8 sq mi
ZIP Area
282
Density / Sq Mi
$61,357
Median Household Income
$36,843
Median Earnings
$1,421
Median Rent
$508,800
Median Home Value
Market
Vacancy Rate% for Multifamily in South region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Duplex - Duplex for sale with two units, each offering 3 bedrooms and 2 full bathrooms plus balconies.
Where is this duplex located?
The property is located at 129 E Gardenia Street South Padre Island, TX.
What is the asking price?
The asking price for this property is $599,000.
What are key features of this property?
This property features: Duplex built in 1970 with 2 units; Each unit features 3 bedrooms and 2 full bathrooms; Full kitchens in each unit with electric smooth cooktop and electric water heater
