The Daily Insight
general /

where to mail federal tax return california

Alaska, Arizona, California, Colorado, Hawaii, Idaho, New Mexico, Nevada, Oregon, Utah, Washington, Wyoming: Internal Revenue Service, P.O. Box 7704, San Francisco, CA 94120-7704.

How should I send my tax return?

Use certified mail, return receipt requested, if you send your return by snail mail. It will provide proof that it was received. The IRS accepts deliveries from FedEx, UPS, and DHL Express. But you must use an approved class of service.

Can I mail my tax return in a regular envelope?

You can generally mail your return in a regular envelope by folding your forms and sealing the envelope with the proper postage or stamps.

How many stamps do I need for a tax return envelope?

For a First-Class flat-sized (8 ½ X 11) envelope, the cost is $1.00 up to the first ounce and 20 cents for each additional ounce. That would be $1.20 for up to two ounces. Customers may purchase postage at the retail counter or at a Self-Service Ship and Mail Center (credit/debit card only) in the Post Office lobby.

Do I staple my federal tax return?

Enclose your payment loosely with your return; don’t staple or otherwise attach your payment or Form 1040-V to your return. Don’t mail cash with your return.

Should I use certified mail for tax return?

In short, a certificate of mailing does not constitute valid proof of timely mailing. The only USPS options that provide acceptable proof of mailing evidence for tax documents is registered or certified mail, each of which require signature by the recipient.

Do I need to send a copy of my federal return with my California state return?

Remember, you and your clients only need to sign the California return itself. You do not need to sign copies of any attached federal returns or other forms or schedules requesting signatures.

Do I mail my federal and state taxes together?

Do not mail the federal and state returns together in the same envelope! They do not go to the same place. When you print out your returns there should be instructions that tell you where to mail them. When you mail a tax return, you need to attach any documents showing tax withheld, such as your W-2’s or any 1099’s.

Do I have to mail my tax return from TurboTax?

It is not required, but is a good idea, to use a mailing service that will track your return or provide you with a receipt showing that the IRS got it–such as Fedex, UPS, or certified mail.