Post offices offer a full range of mail and shipping services, including passport acceptance at authorized locations. Castro Valley Post Office is located at 20283 Santa Maria Avenue, Castro Valley, CA. Check the location's current hours before visiting, and bring a photo ID if you are picking up held mail, purchasing a money order, or submitting a passport application.
Castro Valley Post Office Contact Information
Address, Phone Number, and Hours for an Post Office in Castro Valley, California.
| Name | Castro Valley Post Office |
| Address | 20283 Santa Maria Avenue, Castro Valley CA 94546 Map |
| Phone | (510) 581-0159 |
| Website | |
| Hours |
Map of Castro Valley Post Office
Post Office near Castro Valley
About Castro Valley Post Office
The Castro Valley Post Office, located in Castro Valley, CA, is a branch location of the United States Postal Service (USPS) that serves the Castro Valley community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.
- Current hours, services, and self-service kiosk availability at Castro Valley Post Office
- PO box rental rates, sizes, and availability
- Passport application acceptance and appointment scheduling
- Mail forwarding, hold mail requests, and package pickup scheduling