San Antonio-New Braunfels, TX · Texas

Kendall County

ZIP 78013

46,971 residents447 permits TTM$110,498 median HHI6 ZIP codesUpdated April 16, 2026
Investor first look

Median home value

$489,800

ACS 5-Year

Cap rate proxy

3.5%

FMR × 0.65 ÷ Home Value

Rent-to-income

17.1%

HUD FMR ÷ ACS HHI

Net migration

+3.30%

IRS SOI

Permits (TTM)

447

Census BPS

Climate risk

65.5

FEMA NRI (0–100)

ZIP 78013

Median home value

Gross yield

Buy Box score

0.9

Section 8 gap

Affordability

P/I: 4.8R/I:

Section 8 detail

SAFMR: Rent: Gap:
ZIP code breakdown6 ZIP codes
ZIPMedian home valueRent (FMR 2BR)Gross yieldCap rateRent gap
780043.9%-10.5%
78027county est.3.9%-10.5%
78074county est.3.9%-10.5%
780133.6%-10.5%
78015$489,800$1,8704.6%3.5%8.2%
78006$489,800$1,7104.2%3.0%14.2%

Sort by any column. Click a ZIP for detail. Rent gap: green = HUD FMR above market rent.

Demographics

Owner-occupied

77.9%

Census ACS

Vacancy rate

8.2%

Census ACS

Bachelor's degree +

49.1%

Census ACS

Rent burdened

49.9%

Census ACS (>30% income)

Median age

43.1

Census ACS

Data sources
U.S. Census Bureau — American Community Survey 5-Year Estimates
U.S. Census Bureau — Building Permits Survey
U.S. Department of Housing and Urban Development — Fair Market Rents / Small Area Fair Market Rents (SAFMR)
Internal Revenue Service — Statistics of Income Migration Data
FEMA — National Risk Index
Last updated: April 16, 2026