Highway-Front Retail/Office
505 E Highway 100 Port Isabel, TX 78578
New
For Sale
$599,000
COMMERCIAL - Port Isabel, TX
Property Size3,080 SF
Lot Size0.11 Acres
Price / SF$194.48
Days on Market2
Property Features for 505 E Highway 100
General Information
- Property type
- Commercial Sale
- Property subtype
- Other
- Zoning
- C
- Standard status
- Active
- Size
- 3,080 SF
- Lot size
- 0.11 Acres
Taxes and HOA fees
- Tax Year
- 2025
- Tax Annual Amount
- 2976
Building Details
- Year built
- 1996
- Number of units
- 1
Listing Agency:
RE/MAX Elite
(956) 433-5648
Listed By:
Angel Torres
(512) 945-1240
Added: Jul 23
Changed: Jul 24
Last Checked: Jul 24 at 12:06AM
MLS# 106569
Copyright © 2026 South Padre Island Board 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 commercial property at 505 E Highway 100 includes an approximately 3,000 square foot building and sits on a 0.11-acre lot. The layout is described as spacious and is intended to support a variety of business uses, including retail, office, or service-oriented operations.
The property is directly located on Highway 100, providing straightforward access and prominent exposure for day-to-day traffic.
Zoned C, the building offers a straightforward option for buyers seeking a highway-front commercial facility in Port Isabel.
The property is directly located on Highway 100, providing straightforward access and prominent exposure for day-to-day traffic.
Zoned C, the building offers a straightforward option for buyers seeking a highway-front commercial facility in Port Isabel.
Key Highlights
- 3,000 sq. ft. commercial building on Highway 100 in Port Isabel, TX
- Year built: 1996
- Directly on Highway 100 for high‑traffic access
Financial Insights For Retail
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 | $44.4k | $14.40 |
| − Vacancy | −$2.5k | −$0.81 |
| EGI | $41.9k | $13.59 |
| − OpEx | −$12.6k | −$4.08 |
| NOI | $29.3k | $9.52 |
3,080 SF · lease $14.40/SF/yr · vacancy 5.60% · expense 30.00%
Alternative Uses
Best Use
Retail
$418.7K
$366.4K – $488.5K
NOI $29,308 @ 7.0% cap · market cap 4.89%
Second Best
Office B
$403.9K
$353.4K – $471.2K
NOI $28,274 @ 7.0% cap · market cap 4.72%
Theoretical Best
Healthcare Medical
$530.3K
$464.0K – $618.7K
NOI $37,123 @ 7.0% cap · market cap 6.20%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Retail space
FAQs
What type of property is this?
Retail space - Approximately 3,000 sq. ft. building on Highway 100 in Port Isabel, zoned C for flexible commercial use.
Where is this retail space located?
The property is located at 505 E Highway 100 Port Isabel, 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: 3,000 sq. ft. commercial building on Highway 100 in Port Isabel, TX; Year built: 1996; Directly on Highway 100 for high‑traffic access
