OFF MARKET
Google street view image for 305 Old Port Isabel Rd, Brownsville, TX 78521
Off market
$253,860
3
bd
•
— ba
•
2,542
sq ft

305 Old Port Isabel Rd, Brownsville, TX 78521

map-entry

About this home

305 Old Port Isabel Rd is a 2,542 square foot house on a 1.07 acre lot with 3 bedrooms. Based on Redfin's Brownsville data, we estimate the home's value is $253,860.
Single-familyProperty Type
1998Year Built
1.07 acresLot Size
$100Est. Price/Sq.Ft.
Source:Public Records

Redfin Estimate

$253,860
$0 since October

This home's estimate is 6.9% higher than the average sale price ($237K) of 6 comparable homes.

Claim this home to receive a free report every month with insights on the changing estimate.

Market trends in 78521, TX

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price
92.3%

+1.7% MoM

Median sale price
$235K

$319 MoM

Avg. days on market
66d

2 days MoM

Recently sold homes
71

8 MoM

New listings for sale

Provided by Redfin

Sale history for 305 Old Port Isabel Rd

As the MLS and public records start to fill up, we'll list the details here.

Tax history for 305 Old Port Isabel Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

CC

Corridor Commercial District

The Corridor Commercial (CC) district is intended primarily to provide sites for locally serving office, retail, personal service, and businesses. Development should be compatible in scale, character, and intensity with adjacent neighborhoods while having convenient access to both pedestrians and automobiles. The district's standards are intended to maintain adjacent residential areas. This district could be located adjacent to residential uses and along some of the city's commercial corridors. This district may include some residential uses as transitions between commercial uses and existing neighborhoods or to encourage more infill redevelopment on underutilized commercial sites along sections of some aging corridors in the city such as Boca Chica, International Blvd., etc.
Permitted uses

Include but are not limited to:

  • General retail
  • Retail-Grocery
  • Restaurant
  • Housing-Multiple units
  • Housing-Senior
  • Housing-Student
  • Self-Storage / mini-Storage
  • Hotel / motel
  • Mixed use
  • Office

Property details

Around this home

Schools

Perez Elementary School

Public PreK-5 • Assigned • 0.3mi

6/10
Oliveira Middle School

Public 6-8 • Assigned • 0.6mi

5/10
Hanna High School

Public 9-12 • Assigned • 0.8mi

5/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

6/10 Flood Factor

Estimated 69-77% chance of a flood reaching the building in the next 30 years

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

9/10 Heat Factor

7 days above 111° expected this year, 25 days in 30 years

9/10 Wind Factor

99% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Brownsville, TX • 78521
Average low and high temperatures (°F)
70
54
77
60
84
66
85
72
90
76
92
80
94
80
94
79
91
77
90
72
85
67
78
62
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

In this area, properties receive around 10 hours in June and 4.1 hours in December, which is comparable to the U.S. average for solar exposure.

10 hrs
4.1 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$242,000 – $292,000

Sell confidently with a local market expert in Brownsville. 3 minutes to get started.

Nearby similar homes

$250,000
3 beds2 baths1,714 sq ft
23 Meadow Ln, Brownsville, TX 78521
Remodel home • Pool • 0.37 acre lot
$615,000
4 beds3 baths4,059 sq ft
135 Poinciana Dr, Brownsville, TX 78521
Remodeled • Private office • Gym
$149,900
3 beds2 baths1,026 sq ft
2033 Johnson St, Brownsville, TX 78521
5,370 sq ft lot • Built 2005 • Listed 66 days
$299,000
3 beds2 baths1,830 sq ft
259 Fruitdale Dr, Brownsville, TX 78520
8,690 sq ft lot • 2 garage spots • Pool
$135,000
4 beds1.5 baths996 sq ft
1646 Arthur St, Brownsville, TX 78521
Remodeled kitchen • Spacious front yard • New water heater
$80,000
2 beds1 bath962 sq ft
1505 Taft St, Brownsville, TX 78520
Covered front porch • Mature shade trees • Spacious living area

New listings for sale in 78521

$199,000
3 beds1 bath1,008 sq ft
2117 E 21st St, Brownsville, TX 78521
Exterior siding • Energy efficient • Large back yard
$249,900
3 beds3 baths1,487 sq ft
6128 China St, Brownsville, TX 78521
High ceilings • Quartz countertops • Large master suite
$112,500
2 beds2 baths1,120 sq ft
6245 Santa Rosa St Lot 25 & 26, Brownsville, TX 78520
Two lots • Spacious backyard • Resaca view
$179,000
4 beds2 baths1,960 sq ft
5779 Paso Real Dr, Brownsville, TX 78521
New roof • New water heater • Bonus room
$69,500
3 beds2 baths1,695 sq ft
3105 Llama St, Brownsville, TX 78521
5,000 sq ft lot • Built 1946 • Listed 4 days
$109,999
2 beds1 bath947 sq ft
548 Villa Verde Dr, Brownsville, TX 78521
6,720 sq ft lot • 2 garage spots • Built 1978
$219,000
2 beds2 baths1,327 sq ft
3744 Boca Chica Blvd Unit 104E, Brownsville, TX 78521
Two story townhome • Oversized island • $150 HOA
$249,000
3 beds2 baths1,448 sq ft
468 Agua Viva Ln, Brownsville, TX 78526
Big lot • Great location • Heart of town
$89,000
2 beds2 baths872 sq ft
325 Milpa Verde St, Brownsville, TX 78521
Renovations underway • Updates to framing • 5,200 sq ft lot

Home values near 305 Old Port Isabel Rd

Data from public records.
AddressRedfin Estimate
4 Beds | 3 Baths | 1957 Sq. Ft.
$212,509
3 Beds | 2 Baths | 1484 Sq. Ft.
$176,043
AddressRedfin Estimate
- Beds | - Baths | 2272 Sq. Ft.
—
AddressRedfin Estimate
2 Beds | 1 Baths | 820 Sq. Ft.
$107,114

More real estate resources

San Benito homes for sale
South Padre Island homes for sale
Harlingen homes for sale
Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

Join us

Become an Agent
Get referrals
Careers

Find homes faster

Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

About us

Why Redfin?
Community Impact
Inclusion
Culture
Press
Investors
Blog
Real Estate News

Find us

Contact Us
Help Center
Advertise

Subsidiaries

Rent.
ApartmentGuide

Affiliated Business

Rocket Close
Rocket Mortgage

Countries

US flagUnited States

Canadian flagCanada

Copyright: © 2026 Redfin. All rights reserved.

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.