Where to mail form 540

Form 540, the California Resident Income Tax Return, can be mailed to the following address:

California Franchise Tax Board PO Box 942840 Sacramento, CA 94240-0004

Make sure to sign and date the form, and include all required attachments and payments. You can also file your return electronically through the California Franchise Tax Board's website or by using tax preparation software.

If you're unsure about where to mail your form or have any questions about the filing process, you can contact the California Franchise Tax Board at (800) 852-5711 or visit their website at ftb.ca.gov.