{"level":"city","name":"Tulsa","state":"OK","state_name":"Oklahoma","page":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa","parent":{"name":"Oklahoma","page":"https://www.retrorate.com/assumable-mortgages/oklahoma"},"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":"B","on_market":"off-market only: counts cover homes with a mortgage carrying an assumable loan"},"figures":{"assumable_homes":19777,"avg_assumable_rate":4.92,"avg_balance":145538,"avg_monthly_savings":154,"rate_bands":{"under_3":1220,"3_to_4":5228,"4_to_5":4375,"5_and_over":8954}},"zip_codes":{"note":"The ZIP codes with the most assumable stock in this city, not every ZIP in it.","published":[{"name":"74133","page":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74133","data":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74133.json","assumable_homes":2028,"avg_assumable_rate":4.61,"avg_monthly_savings":248,"on_market_coverage":false},{"name":"74134","page":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74134","data":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74134.json","assumable_homes":1704,"avg_assumable_rate":4.68,"avg_monthly_savings":208,"on_market_coverage":false},{"name":"74112","page":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74112","data":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74112.json","assumable_homes":1531,"avg_assumable_rate":4.96,"avg_monthly_savings":135,"on_market_coverage":false},{"name":"74129","page":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74129","data":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74129.json","assumable_homes":1332,"avg_assumable_rate":4.88,"avg_monthly_savings":127,"on_market_coverage":false},{"name":"74107","page":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74107","data":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74107.json","assumable_homes":1195,"avg_assumable_rate":5.05,"avg_monthly_savings":116,"on_market_coverage":false},{"name":"74145","page":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74145","data":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74145.json","assumable_homes":1177,"avg_assumable_rate":4.69,"avg_monthly_savings":167,"on_market_coverage":false},{"name":"74115","page":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74115","data":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74115.json","assumable_homes":1148,"avg_assumable_rate":5.55,"avg_monthly_savings":55,"on_market_coverage":false},{"name":"74128","page":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74128","data":"https://www.retrorate.com/assumable-mortgages/oklahoma/tulsa/74128.json","assumable_homes":981,"avg_assumable_rate":4.97,"avg_monthly_savings":96,"on_market_coverage":false}]},"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"}}