US5.com
  1. Home
  2. States
  3. Texas
  4. ZIP 78240
  5. Housing & Real Estate
San Antonio city, TX

ZIP 78240 — Housing & Real Estate

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLarge CommunityLow Snow AreaRemote Work Hub

Home values, rent, tenure, and housing stock

Housing & Real Estate in ZIP Code 78240

Median Home Value
$245,100
Median Rent
$1,131
Affordability Snapshot
$67,000
Est. income to buy

Household income needed for a median home under a 20% down / 6.8% illustrative mortgage model (~$1,574/mo PITI).

22%
Rent-to-Income Ratio

Below the 30% threshold — generally affordable for median earners.

3.9x
Home Price-to-Income Ratio

Within the typical 3-5x range for home affordability.

18.1 yrs
Price-to-Rent Ratio

Years to break even buying vs renting at median home value and rent.

To comfortably buy a median-priced home in ZIP 78240 in San Antonio city, TX, a household would need roughly $67,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,574. That is roughly in line with the local median household income ($62,203). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Housing Tenure

Vacancy rate 11% — check local market conditions.

Heating Fuel
Housing Metrics
Owner Occupied
35.3%-46% vs US avg
x
Vacancy Rate
10.6%+3% vs US avg
x
Broadband Access
89.2%+3% vs US avg
x
4+ Bedrooms
1.6%-89% vs US avg
x
Built Pre-1939
0.3%-98% vs US avg
x
Built Post-2014
1.4%-79% vs US avg
x
Rent Burden >30%
20.4%-59% vs US avg
x
Mortgage-Free
40.8%+7% vs US avg
x
$245,100
Home Value
$1,131
Rent
1989
Year Built
2018
Moved In

Residents have lived here since ~2018 on average

Housing Structure

Census ACS structure types (single-family, multi-unit, etc.).

  • 1-unit detached34.1%
  • 1-unit attached5.5%
  • 2-9 units23.4%
  • 10+ units36.3%
  • Mobile home & other0.8%

Housing & Real Estate key statistics

Housing statistics
Housing
Median home value$245,100
Median rent$1,131
Owner-occupied35.3%
Vacant10.6%
Price-to-income3.9x
Est. income to buy$67,000