{"level":"city","name":"Knoxville","state":"TN","state_name":"Tennessee","page":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville","parent":{"name":"Tennessee","page":"https://www.retrorate.com/assumable-mortgages/tennessee"},"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":22125,"avg_assumable_rate":4.63,"avg_balance":198926,"avg_monthly_savings":243,"rate_bands":{"under_3":2400,"3_to_4":7365,"4_to_5":4835,"5_and_over":7525}},"zip_codes":{"note":"The ZIP codes with the most assumable stock in this city, not every ZIP in it.","published":[{"name":"37918","page":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37918","data":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37918.json","assumable_homes":3191,"avg_assumable_rate":4.66,"avg_monthly_savings":223,"on_market_coverage":false},{"name":"37920","page":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37920","data":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37920.json","assumable_homes":2203,"avg_assumable_rate":4.66,"avg_monthly_savings":206,"on_market_coverage":false},{"name":"37921","page":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37921","data":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37921.json","assumable_homes":2128,"avg_assumable_rate":4.69,"avg_monthly_savings":191,"on_market_coverage":false},{"name":"37917","page":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37917","data":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37917.json","assumable_homes":1656,"avg_assumable_rate":4.8,"avg_monthly_savings":157,"on_market_coverage":false},{"name":"37912","page":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37912","data":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37912.json","assumable_homes":1525,"avg_assumable_rate":4.79,"avg_monthly_savings":177,"on_market_coverage":false},{"name":"37923","page":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37923","data":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37923.json","assumable_homes":1422,"avg_assumable_rate":4.6,"avg_monthly_savings":247,"on_market_coverage":false},{"name":"37914","page":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37914","data":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37914.json","assumable_homes":1305,"avg_assumable_rate":4.84,"avg_monthly_savings":186,"on_market_coverage":false},{"name":"37922","page":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37922","data":"https://www.retrorate.com/assumable-mortgages/tennessee/knoxville/37922.json","assumable_homes":1225,"avg_assumable_rate":4.4,"avg_monthly_savings":377,"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"}}