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How to verify property ownership from public records
Start with the correct property tax account, then compare the assessor's reported owner context with the relevant recorded instruments. A data response can support research, but only a qualified title search can establish a legal title conclusion.
Start freeResolve the property first
Use the local account identifier and address to confirm the intended property. In Washington, DC, Quoin resolves records around the property tax account identified by SSL.
A building can contain several accounts, and one address can have related records with different scopes. Do not attach an owner name to an uncertain match.
Compare records with different purposes
An assessor account can report an owner name for tax administration. A deed index records instruments. A business license reports licensed activity at a premise. These sources should not be treated as interchangeable proof of ownership.
Quoin's CAMA sale history and latest assessor deed fields are useful context. They are not a complete Recorder of Deeds chain of title.
Keep the verification path
Record the SSL, address, reported party or owner field, effective or recording date, source record or instrument input, and source release date. Open the official human portal and reproduce the lookup.
If an assessor instrument value is incomplete, use the deed year, SSL or address, and party name instead of inventing a full instrument number.
Know when to stop
Stop short of stating legal ownership, title condition, lien priority, or insurable interest from a property data response. Those conclusions require the complete relevant record set and qualified legal or title review.
An empty Quoin result means no linked record was present in the served release. It does not prove that no public record exists.