Chestnut Post Office

36 Chestnut Ave, South San Francisco, CA 94080

Contact Numbers

Phone: 650-583-4360
Fax: 650-583-3485
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 6:00pm
Tuesday 6:00pm
Wednesday 6:00pm
Thursday 6:00pm
Friday 6:00pm
Saturday 2:00pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Burial Flags
  • Business Line
  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

San Bruno
1300 Huntington Ave
0.8 mile away

Linden
322 Linden Ave
0.8 mile away

Brisbane
280 Old County Rd
1.6 miles away

Colma
7373 Mission St
2.0 miles away

Reviews

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One must be very careful when sending packages via registered mail here. I requested a package be sent registered and insured. The clerk sent it 'priority mail' and it cost me $33.50 more for the insurance than if it had gone as requested. I feel that I am not supposed to know the ins and outs of the clerks job. How is one to know if things are being done right? So, just be careful. Ask questions. Be sure. Good luck.
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Mailman has not been delivering packages to Apartments they have been leaving all packages on top of the mailboxes which has resulted in theft. I myself have lost two packages already I went out three days ago in the evening to check mail there were eight packages that had fallen off the mailboxes and were on the ground this should not happen if packages are too big for the mailbox they should be taken to the door of the tenant. I live in South San Francisco complex is skyline view garden apartments please have a mailman not be so lazy in these days he’s lucky he has a job there are 10 people in line waiting for his job he shouldn’t take it vantage of the fact that he has one thank you
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Can someone can pick up Mail and Delivery. Is postmen sick?
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for some unknown reason this office has published a disconnected phone number.Phone: 650-583-4360
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And still is disconnected, I was given this number from the main post office 800 number to call them so I could tell them that to send the 3-6 packages that has been shipped to Georgia but they have still been sitting there since the beginning of May!!! I paid for what is in the packages and they are holding them there or what ever they have done with my packages !!! I have messages from my post office that they are sitting there since beginning of May and won’t forward them to my post office. I smell something fishy here!!!!!!!!
• Replied to Rob Barns

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To whom it may concern, I arrived at the post office located at 36 Chestnut Ave around 9:05 AM this morning (July 2, 2018). I asked the clerk (according to my receipt "Clerk #12"; he was a gentleman with glasses) to return a box that was sent to me. Although the sender and myself were noted on the box, Clerk #12 gave me a piece of paper and told me to write down the address to where the package was to be sent. He instructed me to not do this at the counter, but at a bench away from the counter, although there were no customers at the time. I wrote it down, with underneath that my own address. When I gave Clerk #12 back the note, he frowned, looked at me, laughed slightly, and told me: "You didn't know? You have to write your own address on the top, and the address to where the box should be sent underneath that". Well, no I didn't know, because Clerk #12 did not tell me this. He gave me back the box and then he walked off, and so I had to write everything again, now in the apparent good order. I handed Clerk #12 the box again, and he taped the note onto my box. He weighed the box, and told me: "that will be $4.45". I let him know that I didn't need tracking of the package, but Clerk #12 told me that that is automatic, and he did not initiate an effort to change it. I did find it odd that I received the identical box for a USPS first class shipping price of $3.50,-, so how this turned out to be $4.45 is a mystery to me. Then Clerk #12 asked me if there was any hazardous, liquid etc. content in the box, and I told him that it just contained an antique glass bottle. He told me "ok". He then took the box from me, and threw the box across the office space beind the counter into a bin which was at least 5 feet away, though he had just been notified by me that there was an antique glass bottle inside the box; in addition, it is written on all sides of the box "glass fragile". I asked him "Why did you just throw the box? You know that there is an anique glass bottle inside, can't you be more careful?". Clerk #12 said "I am not going to discuss this with you". I told him he was being rude to his customer, but Clerk #12 ignored me, and invited the next customer to come over to his counter. I find this unacceptable behavior, and I'd like to file an official complaint. Please contact me via email at your earliest convenience. Regards, Thijs Hagenbeek, Ph.D.
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Perhaps it was a blood moon and he was possessed by the spirit of Medusa the Gorgon? Next time hisssss at him and make the sign of the cross and all will be well.
• Replied to Thijs Hagenbeek


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