The regular filing deadline is February 15th to receive the full exemption. To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located.To qualify for the homeowners' exemption, the home must have been the principal residence of the owner as of January 1 of that tax year. Complete a homestead declaration form. Sign your declaration in front of a notary. If you receive an incorrect tax bill, visit the County Assessor's website or call our office at (408) 808 - 7900. The Financial Hardship Exemption Program is designed to help small businesses and small business owners in the City of San José. The general deadline for filing an exemption application is before May 1. Are property taxes deductible? Colo.), a lawsuit alleging discrimination on the basis of disability and retaliation under the Fair Housing Act.