Check the property deed and title records at the county recorder’s office
Search the county assessor’s property records for ownership and parcel details
Review old property tax records
Look up building permits and renovation permits from the local building department
Search historical maps, atlases, and fire insurance maps
Use census records and city directories to identify past occupants
Check newspaper archives for sale notices, obituaries, and local history mentions
Search historical society and local library archives
Review probate, court, and estate records for ownership transfers
Ask longtime neighbors about the property’s past
Search online real estate and genealogy databases
Inspect the house for clues such as dates on fixtures, materials, and alterations
Contact previous owners if possible
Review mortgage, lien, and easement records
Compare aerial photos and street-view archives over time