Freestanding Office
New
For Sale
$579,000
501 S 77 SUNSHINE STRIP, Harlingen, TX 78550
Commercial Sale, HARLINGEN, TX
Property Size2,201 SF
Lot Size0.51 Acres
Price / SF$263.06
Days on Market3
Property Features for 501 S 77 SUNSHINE STRIP
General Information
Property type
Commercial Sale
Property subtype
Other
Subdivision
WINDSOR PLACE ADDITION
Standard status
Active
Size
2,201 SF
Lot size
0.51 Acres
Additional Details
Tenant in Place
Yes
Property Use
Office
Building Details
Year built
2004
Floors in Building
1
Buildings
1
Listing Agency:
KELLER WILLIAMS LRGV · Keller Williams Realty
(956) 423-8877
Listed By:
ZINTIHA LOYA
(956) 536-9270
Added: Oct 27
Last Checked: Oct 29 at 5:06PM
MLS# 29780552
Copyright © 2026 Rio Grande Valley Multiple Listing Service Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
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Investment Insights
Based on property information with market context.
This freestanding office property contains 2,201 square feet arranged with private offices, a reception and waiting area, a kitchenette and break room, restrooms, and storage. The exterior received a paint update in 2025. Office furniture may be included by agreement, and the building is currently occupied by a tenant.
The 0.51-acre parcel has paved on-site parking and frontage along an established commercial corridor at 501 S 77 Sunshine Strip in Harlingen, Texas.
The 0.51-acre parcel has paved on-site parking and frontage along an established commercial corridor at 501 S 77 Sunshine Strip in Harlingen, Texas.
Key Highlights
- 2,201‑square‑foot office building on 0.51 acres
- Private offices, reception and waiting area, kitchenette, restrooms, and storage
- Paved parking on site with frontage along an established commercial corridor
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$20,205
Cap Rate
3.49%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$404,100
$404.1K
Cap Rate 7%
$288,643
$288.6K
Cap Rate 9%
$224,500
$224.5K
Market Conditions
NOI Build-Up for 2,201 SF
Gross rent
$39.6K $18.00/SF
− Vacancy
−$12.7K −$5.76/SF
EGI
$26.9K $12.24/SF
− OpEx
−$6.7K −$3.06/SF
NOI
$20.2K $9.18/SF
Area
Cameron County, TX
Vacancy
32.00%
Lease Rate
$18.00 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$404,100
Cap Rate 7%
$288,643
Cap Rate 9%
$224,500
Alternative Uses
Best Use
Office B
$288.6K
$252.6K – $336.8K
NOI $20,205 @ 7.0% cap · market cap 3.49%
Second Best
—
—
no second resolved use
Theoretical Best
Healthcare Medical
$379.0K
$331.6K – $442.1K
NOI $26,528 @ 7.0% cap · market cap 4.58%
Zoning and permitted uses should be independently verified with authorities.
How Realmo checks its estimates
Property Analytics
Who owns this building?
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Open Analytics
Current Use
Lease Details
Yes
Paved road access
Location Intelligence
Trade Area within ½ mile
944
Businesses Nearby
Explore this area
Business Placement
Demographics for 78550, TX
56,038
Population
22,347
Households
2.5
Avg Household Size
35
Median Age
22%
College-Educated
77%
High-School Grad
94.2 sq mi
ZIP Area
595
Density / Sq Mi
$51,524
Median Household Income
$32,065
Median Earnings
$863
Median Rent
$120,500
Median Home Value
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Market
Vacancy Rate% for Office in South region
Frequently Asked Questions
What type of property is this?
Office building - A private-office layout includes a reception area, kitchenette, restrooms, and storage.
Where is this office building located?
The property is located at 501 S 77 SUNSHINE STRIP Harlingen, TX.
What is the asking price?
The asking price for this property is $579,000.
What are key features of this property?
This property features: 2,201‑square‑foot office building on 0.51 acres; Private offices, reception and waiting area, kitchenette, restrooms, and storage; Paved parking on site with frontage along an established commercial corridor
