The following list of important dates and deadlines is provided to assist property owners in Sacramento County.
- January 1
- Annual Lien Date. All taxable property is assessed annually for property tax purposes as of 12:01 a.m. on January 1.
 
 
- *February 15
- Deadline to file exemption claims timely and receive full exemption.
 
 
- April 1
- Due date for filing statements for business personal property, aircraft and boats. Business property owners must file a statement each year detailing the cost of all supplies, machinery, equipment, leasehold improvements, fixtures and land owned at each location within Sacramento County.
 
 
- *April 10
- Last day California Law allows the Tax Collector to receive a second installment of secured property taxes without accruing a penalty. This tax is based on property values for the January lien date 15 months earlier.*
 
 
- May 7
- Last day to file a business personal property statement without incurring a 10% penalty.
 
 
- July 1
- Close of assessment roll and the start of the new assessment roll year. The assessment roll is the official list of all taxable property within the County.
 
 
- July 2
 
- *August 31
- Last day California Law allows the Tax Collector to receive  taxes on unsecured tax bills without accruing a penalty.*
 
 
- September 1
- Last day to request mailing address changes for annual secured tax bill.
 
 
- *November 30
 
- *December 10
- Last day California Law allows the Tax Collector to receive first installment of secured property tax bills without accruing a penalty.*
 
 
- * If date falls on Saturday, Sunday or legal holiday, mail postmarked on the next business day shall be deemed on time.