FY2027 Small Area FMR · San Marcos, TX
ZIP 78666 Fair Market Rent & Payment Standards
HUD's FY2027 Small Area Fair Market Rent for a two-bedroom home in ZIP code 78666 (San Marcos, TX) is $1,410 a month, down 4.7% from FY2026. That is 22% below the Austin-Round Rock-San Marcos, TX area-wide FMR of $1,817.
Payment standard range, 2 bedrooms
Housing agencies may set voucher payment standards anywhere from 90% to 110% of the FMR without asking HUD.
FY2027 FY2026
Where 78666 sits in the Austin-Round Rock-San Marcos, TX area
Of the 131 ZIP codes HUD lists for the area, 78666 has the 128th highest two-bedroom Small Area FMR. Austin-Round Rock-San Marcos, TX is not on HUD's list of mandatory Small Area FMR areas, so voucher payment standards here are normally based on the area-wide FMR of $1,817 for two bedrooms; an agency that opts in to Small Area FMRs would use $1,410 for this ZIP code instead.
ZIP code 78666 crosses more than one HUD area. HUD also lists it under San Antonio-New Braunfels, TX (same figures). The figure that applies depends on which side of the line the home is.
All unit sizes
| Unit | FY2027 SAFMR | Payment standard range | Area-wide FMR | FY2026 SAFMR |
|---|---|---|---|---|
| Studio | $1,120 | $1,008 – $1,232 | $1,447 | $1,170 |
| 1 bedroom | $1,190 | $1,071 – $1,309 | $1,530 | $1,250 |
| 2 bedrooms | $1,410 | $1,269 – $1,551 | $1,817 | $1,480 |
| 3 bedrooms | $1,780 | $1,602 – $1,958 | $2,292 | $1,880 |
| 4 bedrooms | $2,090 | $1,881 – $2,299 | $2,689 | $2,200 |
A household renting a two-bedroom home at the Small Area FMR of $1,410 needs about $56,400 a year to keep housing costs at 30% of income. The area median family income is $134,400 and the 80% low-income limit for four people is $106,800. ZIP code 78666 lies mainly in Hays County, Guadalupe County and Comal County. See the Austin-Round Rock-San Marcos, TX metro page for the full income limits table and the household check.
Nearby ZIP codes
Questions
What is the Fair Market Rent for ZIP code 78666?
HUD's FY2027 Small Area Fair Market Rents for 78666 are $1,120 (studio), $1,190 (1 BR), $1,410 (2 BR), $1,780 (3 BR) and $2,090 (4 BR) a month.
What is the Section 8 payment standard in 78666?
Housing agencies set payment standards between 90% and 110% of the applicable FMR without HUD approval. For a two-bedroom unit in 78666 that range is $1,269 to $1,551 if the agency uses Small Area FMRs. Ask your housing agency for its actual payment standard.
Which income limits apply in 78666?
The FY2026 income limits of the Austin-Round Rock-San Marcos, TX area apply: median family income $134,400, low-income (80%) limit $106,800 for a family of four.