Revenue and Taxation Code section 275
(a)
If a claimant for the homeowners’ property tax exemption fails to file the required affidavit with the assessor by 5 p.m. on February 15 of the calendar year in which the fiscal year begins, but files that affidavit on or before the following December 10, an exemption of the lesser of five thousand six hundred dollars ($5,600) or 80 percent of the full value of the dwelling shall be granted by the assessor.(b)
On claims filed pursuant to subdivision (a) after November 15, this partial homeowners’ exemption may be applied to the second installment, and if applied to the second installment, the first installment will still become delinquent on December 10 and the delinquent penalty provided for in this division will attach if the tax amount due is not paid.
Source:
Section 275, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=RTC§ionNum=275.
(accessed Jun. 2, 2025).