{"level":"zip","name":"78253","zip":"78253","city":"San Antonio","state":"TX","state_name":"Texas","page":"https://www.retrorate.com/assumable-mortgages/texas/san-antonio/78253","parent":{"name":"San Antonio","page":"https://www.retrorate.com/assumable-mortgages/texas/san-antonio"},"counted_as_of":"2026-10-15","market_rate":{"value":7.3,"label":"average 30-year fixed rate","as_of":"2026-10-16","source":"Optimal Blue Mortgage Market Indices (OBMMI)"},"savings_basis":{"comparison":"the assumable loan against a new loan for the same amount, at the same cash to close","includes":"principal and interest only","remaining_term_years":25,"remaining_term_assumed":true},"coverage":{"tier":"A","on_market":"live listing data: counts include what is for sale"},"figures":{"assumable_homes":12644,"avg_assumable_rate":4.93,"avg_balance":301580,"avg_monthly_savings":317,"rate_bands":{"under_3":2483,"3_to_4":3096,"4_to_5":654,"5_and_over":6420},"listings_assumable_now":218},"terms":{"publisher":"RetroRate (Assumable Technologies Inc.)","source":"RetroRate production data, from public data sources and county records","attribution":"Cite as RetroRate, with a link to the page URL.","contact":"press@retrorate.com","documentation":"https://www.retrorate.com/assumable-mortgages"}}