Two-Story
817 E MADISON AVE, Harlingen, TX 78550
For Sale
$249,900
Residential Income, HARLINGEN, TX
Property Size2,600 SF
Lot Size0.15 Acres
Price / SF$96.12
Days on Market93
Property Features for 817 E MADISON AVE
General Information
Property type
Property subtype
Patio and Porch features
Interior features
Exterior features
Fencing
Appliances
Subdivision
Elementary school
Middle school
High school
Elementary school district
Middle school district
High school district
Standard status
Size
Lot size
Utilities
Sewer type
Heating system
Cooling system
Water source
Building Details
Year built
Floors in Building
Number of units
Flooring type
Listing Agency:
KELLER WILLIAMS LRGV · Keller Williams Realty
(956) 423-8877
Listed By:
AUDREY KRUPALA · License TX #672812
(956) 245-8310
Added: Aug 12
Changed: Nov 4
Last Checked: Nov 12 at 6:06PM
MLS# 29778740
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 two-story multifamily property contains four residential units, each arranged with two bedrooms and one bathroom. The units total 2,600 square feet and include ranges, refrigerators, ceiling fans, carpeted flooring, central heating, and central air conditioning. A porch, deck or balcony features, and chain-link fencing add to the property’s physical amenities.
Constructed in 1984, the property sits on 0.1529 acres and provides six parking spaces. Public water and public sewer serve the site. All four units are currently leased, providing an occupied residential configuration at the time of listing.
Constructed in 1984, the property sits on 0.1529 acres and provides six parking spaces. Public water and public sewer serve the site. All four units are currently leased, providing an occupied residential configuration at the time of listing.
Key Highlights
- Four 2‑bedroom, 1‑bath units
- 2,600 square feet across the property
- All units currently leased
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$21,451
Cap Rate
8.58%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$429,020
$429.0K
Cap Rate 7%
$306,443
$306.4K
Cap Rate 9%
$238,344
$238.3K
Market Conditions
NOI Build-Up for 2,600 SF
Gross rent
$32.8K $12.60/SF
− Vacancy
−$2.1K −$0.81/SF
EGI
$30.6K $11.79/SF
− OpEx
−$9.2K −$3.54/SF
NOI
$21.5K $8.25/SF
Area
Cameron County, TX
Vacancy
6.46%
Lease Rate
$12.60 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$429,020
Cap Rate 7%
$306,443
Cap Rate 9%
$238,344
Alternative Uses
Best Use
Multifamily LT 5
$306.4K
$268.1K – $357.5K
NOI $21,451 @ 7.0% cap · market cap 8.58%
Second Best
Apartment 5plus
$281.0K
$245.9K – $327.9K
NOI $19,672 @ 7.0% cap · market cap 7.87%
Theoretical Best
Healthcare Medical
$447.7K
$391.7K – $522.3K
NOI $31,337 @ 7.0% cap · market cap 12.54%
Zoning and permitted uses should be independently verified with authorities.
How Realmo checks its estimates
Property Analytics
Who owns this building?
See the owner, sales and loan history
Open Analytics
Lease Details
4
Residential units
100%
Occupancy
Location Intelligence
Trade Area within ½ mile
1,761
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
Check the figures for this property
Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics
Market
Vacancy Rate% for Multifamily in South region
Frequently Asked Questions
What type of property is this?
Quadplex - Fully leased multifamily property with unit-level appliances, central climate control, and tenant parking.
Where is this quadplex located?
The property is located at 817 E MADISON AVE Harlingen, TX.
What is the asking price?
The asking price for this property is $249,900.
What are key features of this property?
This property features: Four 2‑bedroom, 1‑bath units; 2,600 square feet across the property; All units currently leased
