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Rent in Port Isabel, TX

A 2-bedroom in Port Isabel, TX (ZIP 78578) typically rents for about $818 a month, with a range of $818–$1,042. Owner-occupied homes in Cameron County pay about 1.50% of their value a year in property tax, and the 30-year fixed mortgage rate averaged 7.32% in the week of Oct 22, 2026.

Rent by bedrooms

Typical monthly rent in Port Isabel, TX by bedrooms
SizeTypicalRange across ZIPsZIPs
Studio$827$8271
1 bed$884$8841
2 beds$818$818–$1,0421
3 beds$1,393$1,3931
4 beds$1,496$1,4961

Typical = median of each ZIP's best guess. Gross rent (rent plus tenant-paid utilities). Sources: Census ACS 5-year median gross rent (Dec 31, 2024) and HUD county Fair Market Rents (Oct 1, 2026).

Port Isabel ZIP codes

2 beds

Frequently asked questions

What is the average rent for a 2-bedroom in Port Isabel, TX?
About $818 a month: the median of the typical rents in 1 ZIP code, which range from $818–$1,042. Figures are gross rent (rent plus tenant-paid utilities).
What is the average rent for a 1-bedroom in Port Isabel, TX?
About $884 a month: the median of the typical rents in 1 ZIP code, which range from $884. Figures are gross rent (rent plus tenant-paid utilities).
What is the average rent for a 3-bedroom in Port Isabel, TX?
About $1,393 a month: the median of the typical rents in 1 ZIP code, which range from $1,393. Figures are gross rent (rent plus tenant-paid utilities).
What is the average rent for a studio in Port Isabel, TX?
About $827 a month: the median of the typical rents in 1 ZIP code, which range from $827. Figures are gross rent (rent plus tenant-paid utilities).
What is the average rent for a 4-bedroom in Port Isabel, TX?
About $1,496 a month: the median of the typical rents in 1 ZIP code, which range from $1,496. Figures are gross rent (rent plus tenant-paid utilities).
What is the property tax rate in Port Isabel, TX?
Owner-occupied homes in Cameron County pay a typical 1.50% of their value a year (Census ACS, median taxes paid ÷ median home value, Dec 31, 2024). Investors often pay more after a purchase: the home is reassessed at the sale price and there is no homestead exemption.
What is the current 30-year mortgage rate?
The 30-year fixed rate averaged 7.32% in the week of Oct 22, 2026 (Freddie Mac PMMS via FRED). It's a national average for owner-occupied loans; investment property loans usually cost more.
Where do these Port Isabel rent figures come from?
Census ACS 5-year median gross rent (Dec 31, 2024) and HUD county Fair Market Rents (Oct 1, 2026).