{"level":"city","name":"Seattle","state":"WA","state_name":"Washington","page":"https://www.retrorate.com/assumable-mortgages/washington/seattle","parent":{"name":"Washington","page":"https://www.retrorate.com/assumable-mortgages/washington"},"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":13637,"avg_assumable_rate":5.08,"avg_balance":336035,"avg_monthly_savings":324,"rate_bands":{"under_3":627,"3_to_4":3471,"4_to_5":3834,"5_and_over":5705}},"zip_codes":{"note":"The ZIP codes with the most assumable stock in this city, not every ZIP in it.","published":[{"name":"98106","page":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98106","data":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98106.json","assumable_homes":1126,"avg_assumable_rate":5.12,"avg_monthly_savings":277,"on_market_coverage":false},{"name":"98118","page":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98118","data":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98118.json","assumable_homes":937,"avg_assumable_rate":5.11,"avg_monthly_savings":290,"on_market_coverage":false},{"name":"98126","page":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98126","data":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98126.json","assumable_homes":907,"avg_assumable_rate":5.07,"avg_monthly_savings":329,"on_market_coverage":false},{"name":"98125","page":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98125","data":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98125.json","assumable_homes":724,"avg_assumable_rate":5.16,"avg_monthly_savings":297,"on_market_coverage":false},{"name":"98103","page":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98103","data":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98103.json","assumable_homes":690,"avg_assumable_rate":5,"avg_monthly_savings":377,"on_market_coverage":false},{"name":"98117","page":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98117","data":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98117.json","assumable_homes":631,"avg_assumable_rate":5.05,"avg_monthly_savings":396,"on_market_coverage":false},{"name":"98115","page":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98115","data":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98115.json","assumable_homes":610,"avg_assumable_rate":4.99,"avg_monthly_savings":401,"on_market_coverage":false},{"name":"98144","page":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98144","data":"https://www.retrorate.com/assumable-mortgages/washington/seattle/98144.json","assumable_homes":539,"avg_assumable_rate":5.05,"avg_monthly_savings":360,"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"}}