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Visit your local Post Office™ at 20283 Santa Maria Ave to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office™ boxes, passports, gift cards, and more
Location
United States Postal Service
20283 Santa Maria Ave, Castro Valley, CA
94546, United States
Hours
Reviews
2.9
86 reviews
5 stars
36
4 stars
3
3 stars
5
2 stars
4
1 star
38
- JYJack YehNov 8, 20255.0I was honestly going to leave a 1-star review at first. My experience wasn’t great — things were slow, a bit frustrating, and not everything went smoothly. But then I thought about it… life is already tough, the economy isn’t easy, and it doesn’t feel right to take it out on the people who are just trying to do their jobs in a difficult system. So instead, I’m giving 5 stars — not because everything was perfect, but to encourage the workers who show up every day and keep things moving despite all the challenges. I hope things get better for both the service and the employees. Hang in there, and thank you for your hard work.
- DCDj ChristianJul 30, 20251.0I was getting something shipped from a friend, and they dropped it off at this location. There has been not a single update on my package for an entire week. It’s just been sitting here.. They are no help whatsoever.
- CSCR SongJul 13, 20251.0“It’s so frustrating—self-service support is supposed to be open until 11 a.m. on Sundays, but I was there at 10:51 and it was already closed. Really disappointed. I won’t be able to come back until after my business trip next month. How am I supposed to do.
- YQYasmeen QJul 1, 20255.0I only give this location five stars because of the sales associate Ed, who always provides excellent service during my visits to the post office. I hope the other staff members can learn from his professionalism.
- KMKali MachucaMar 13, 20235.0Went in today for a simple drop off and Josephine helped my boyfriend and I. She is always so happy and welcome to help! She has stupendous customer service! Thank you for making our experience always good at Castro valley location! ☺️
Frequently Asked Questions About United States Postal Service
Can I get a passport application at this Post Office?
Yes, Thousands of Post Offices™ accept first-time passport applications for the U.S. Department of State. Most of those locations can also take your passport photo. Please complete and print your passport application form before you apply.
Is an appointment needed for passport services?
Most Post Offices that offer passport services have set hours, and you'll need to schedule an appointment using our online scheduler. We also offer limited Passport walk-in hours at select locations.
Does this location take the photo needed for passports?
For first-time passport and photo services, please make an appointment using our online scheduler.
What is the cost to take a passport photo?
The current fee for a passport photo at USPS is $15.
When does this location do walk-in passports?
We offer limited Passport walk-in hours at select locations.
Can I get a PO Box online?
Yes, you can search for available PO Boxes and reserve one online at https://www.usps.com/manage/po-boxes.htm. The process is quick and secure, and you'll receive instructions for completing your setup in person.
How much is a small PO Box?
PO Box prices vary by location. You can check exact pricing for your area by visiting https://www.usps.com/manage/po-boxes.htm and entering your ZIP Code.
Can you get to the PO Boxes in the lobby after hours?
Most USPS locations offer 24/7 access to PO Boxes in the lobby. Access hours may vary by location, so check with your local Post Office for specific lobby hours.
How can I get a PO Box?
You can apply for a PO Box online or in person at your local Post Office. Just bring two valid forms of ID and your completed application if applying in person. To start online, visit https://www.usps.com/manage/po-boxes.htm.
What time can I check my PO Box weekly and on weekends?
You can check your PO Box during lobby hours, which often include extended hours or 24/7 access. Weekend access may vary. Check with your local Post Office for exact times.
Where is the United States Postal Service located in Castro Valley?
The USPS in Castro Valley is located at 20283 Santa Maria Ave, CA 94546.
What are the operating hours of this USPS location?
Monday to Friday, it is open from 9:00 AM to 5:00 PM, and on Saturday from 9:00 AM to 1:00 PM. It is closed on Sundays.
Does this USPS location provide passport application and photo services?
Yes, this Post Office accepts first-time passport applications and offers passport photo services by appointment using their online scheduler.
Is an appointment needed for passport services at this location?
Yes, most USPS locations with passport services require an appointment through the online scheduler, but some offer limited walk-in hours.
Can I get and access a PO Box at this Post Office?
Yes, you can reserve a PO Box online and then access it at this location. Many USPS locations provide 24/7 lobby access, but it's best to check with this Post Office for exact access hours.
How can I reserve a PO Box online for this USPS location?
You can reserve a PO Box quickly and securely at https://www.usps.com/manage/po-boxes.htm and complete your setup in person at the Post Office.
What is the fee for a passport photo at this USPS?
The current fee for a passport photo at USPS locations is $15.
What nearby places can I visit when coming to the Castro Valley USPS?
Nearby, you can visit Castro Valley Sports Stadium for sports events, Merle's Hallmark Shop for gifts and cards, or 88 BaoBao restaurant for Chinese cuisine, enhancing your visit to the USPS.
How can the nearby Castro Valley Sports Stadium assist customers visiting USPS?
If you're visiting USPS near the Castro Valley Sports Stadium, you might plan your trip around event times or enjoy a game before or after mailing services.
Are there any nearby fitness or wellness centers near the USPS location?
Yes, Body Mechanix Fitness and Venus Massage Therapy Spa are nearby places where you can relax or work out before or after your visit to the Post Office.