{"level":"city","name":"Wilmington","state":"DE","state_name":"Delaware","page":"https://www.retrorate.com/assumable-mortgages/delaware/wilmington","parent":{"name":"Delaware","page":"https://www.retrorate.com/assumable-mortgages/delaware"},"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":9301,"avg_assumable_rate":4.52,"avg_balance":215100,"avg_monthly_savings":277,"rate_bands":{"under_3":870,"3_to_4":3217,"4_to_5":2093,"5_and_over":3121}},"zip_codes":{"note":"The ZIP codes with the most assumable stock in this city, not every ZIP in it.","published":[]},"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"}}