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Rent in 78666 (San Marcos, TX)

In ZIP 78666 (San Marcos, TX), a 2-bedroom typically rents for $1,371–$1,410 a month, 23% below the Hays County Fair Market Rent of $1,817. Other sizes: studio $1,120–$1,296, 1 bed $1,190–$1,227, 3 beds $1,601–$1,780, 4 beds $967–$2,090. Owner-occupied homes in Hays County pay about 1.66% 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

Rent range in ZIP 78666 by bedrooms, with the county Fair Market Rent
SizeRangeBest guessCounty FMR
Studio$1,120–$1,296$1,208$1,44717% below
1 bed$1,190–$1,227$1,209$1,53021% below
2 beds$1,371–$1,410$1,391$1,81723% below
3 beds$1,601–$1,780$1,691$2,29226% below
4 beds$967–$2,090$1,529$2,68943% below
  • Studio: HUD Small Area Fair Market Rent $1,120 (Oct 1, 2026); Census ACS 5-year median gross rent $1,296 ±$208 (Dec 31, 2024)
  • 1 bed: HUD Small Area Fair Market Rent $1,190 (Oct 1, 2026); Census ACS 5-year median gross rent $1,227 ±$54 (Dec 31, 2024)
  • 2 beds: HUD Small Area Fair Market Rent $1,410 (Oct 1, 2026); Census ACS 5-year median gross rent $1,371 ±$66 (Dec 31, 2024)
  • 3 beds: HUD Small Area Fair Market Rent $1,780 (Oct 1, 2026); Census ACS 5-year median gross rent $1,601 ±$95 (Dec 31, 2024)
  • 4 beds: HUD Small Area Fair Market Rent $2,090 (Oct 1, 2026); Census ACS 5-year median gross rent $967 ±$134 (Dec 31, 2024)

Gross rent (rent plus tenant-paid utilities). Sources: HUD Small Area Fair Market Rents (Oct 1, 2026) and Census ACS 5-year median gross rent (Dec 31, 2024).

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Frequently asked questions

What is the rent for a 2-bedroom in 78666?
Typically $1,371–$1,410 a month, with a best guess of $1,391. That is 23% below the Hays County Fair Market Rent ($1,817).
What is the rent for a 1-bedroom in 78666?
Typically $1,190–$1,227 a month, with a best guess of $1,209. That is 21% below the Hays County Fair Market Rent ($1,530).
What is the rent for a 3-bedroom in 78666?
Typically $1,601–$1,780 a month, with a best guess of $1,691. That is 26% below the Hays County Fair Market Rent ($2,292).
What is the rent for a studio in 78666?
Typically $1,120–$1,296 a month, with a best guess of $1,208. That is 17% below the Hays County Fair Market Rent ($1,447).
What is the rent for a 4-bedroom in 78666?
Typically $967–$2,090 a month, with a best guess of $1,529. That is 43% below the Hays County Fair Market Rent ($2,689).
What is the property tax rate in ZIP 78666?
Owner-occupied homes in Hays County pay a typical 1.66% 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 the 78666 rent figures come from?
HUD Small Area Fair Market Rents (Oct 1, 2026) and Census ACS 5-year median gross rent (Dec 31, 2024).