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San Antonio city, TX

ZIP 78257 — Housing & Real Estate

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

Middle ClassLow Snow Area

Home values, rent, tenure, and housing stock

Housing & Real Estate in ZIP Code 78257

Median Home Value
$542,300
Median Rent
$1,546
Affordability Snapshot
$149,000
Est. income to buy

Household income needed for a median home under a 20% down / 6.8% illustrative mortgage model (~$3,484/mo PITI).

25%
Rent-to-Income Ratio

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

7.3x
Home Price-to-Income Ratio

Well above the 3-5x guideline — challenging for first-time buyers.

29.2 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 78257 in San Antonio city, TX, a household would need roughly $149,000 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 $3,484. That is about 100% above the local median household income ($74,540), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Housing Tenure

Vacancy rate 16% — check local market conditions.

Heating Fuel
Housing Metrics
Owner Occupied
38.9%-40% vs US avg
x
Vacancy Rate
16.0%+56% vs US avg
x
Broadband Access
95.8%+10% vs US avg
x
4+ Bedrooms
3.8%-74% vs US avg
x
Built Pre-1939
0.0%
x
Built Post-2014
3.3%-53% vs US avg
x
Rent Burden >30%
14.7%-70% vs US avg
x
Mortgage-Free
47.6%+25% vs US avg
x
$542,300
Home Value
$1,546
Rent
2013
Year Built
2019
Moved In

Residents have lived here since ~2019 on average

Housing Structure

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

  • 1-unit detached28.6%
  • 1-unit attached0.6%
  • 2-9 units9.0%
  • 10+ units57.7%
  • Mobile home & other4.0%

Housing & Real Estate key statistics

Housing statistics
Housing
Median home value$542,300
Median rent$1,546
Owner-occupied38.9%
Vacant16.0%
Price-to-income7.3x
Est. income to buy$149,000