US Post Office

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    Post Offices, Shipping Centers
    Closed9:00 AM - 5:00 PM

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    Location & Hours

    Map

    4304 18Th St

    San Francisco, CA 94114

    Diamond St & Eureka St

    Castro

    Mon

    • 9:00 AM - 5:00 PM

    Closed now

    Tue

    • 9:00 AM - 5:00 PM

    Wed

    • 9:00 AM - 5:00 PM

    Thu

    • 9:00 AM - 5:00 PM

    Fri

    • 9:00 AM - 5:00 PM

    Sat

    • 9:00 AM - 3:00 PM

    Sun

    • Closed

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    Overall rating

    66 reviews

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    • Photo of Jay C.
      Jay C.
      San Francisco, CA
      0
      19
      3
      Nov 19, 2022

      The staff at the 18 th street post office is really nice, especially when you get to know them. They even greet you by name.
      I always look forward to seeing them as I deliver packages to them for shipping almost every day.

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    • Photo of Bobby T.
      Bobby T.
      San Diego, CA
      86
      193
      190
      Sep 17, 2022

      Bought a bunch of dried goods in Chinatown and on a visit to Castro we decided to ship back everything rather than carrying on the plane. The staff was super friendly and even assisted in packing. Made my life easy! Miss living in SF!

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    • Photo of Nathan K.
      Nathan K.
      San Francisco, CA
      183
      131
      12
      May 1, 2021

      They honestly try. Service with USPS isn't perfect, but every time I have come in to this location I am greeted with kindness and a lot of effort to try and solve any package delivery issues. It's not my closest post office, but it's convenient when running errands in the Castro.

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    • Photo of Pernicious J.
      Pernicious J.
      San Francisco, CA
      0
      105
      30
      Dec 28, 2020

      This is a nice Post Office. The lobby has lots of windows and natural light. They have an extensive and colorful collection of greeting cards and supplies available for purchase.

      The Self-Service Station is state of the art and seldom busy. It is my go-to.

      And despite rumors to the contrary, I witnessed a USPS lady hand a customer a roll of tape to use - no charge.

      Even when there is a line (and there probably will be) it moves pretty quickly. I had to wait the other day to get a QR code scanned. But perhaps that will become self-service soon as well.

      So, five stars for the USPS.

      However, I would like to add a bonus separate review for one of my fellow USPS patrons...

      One star for the guy in front of me who, during the holidays --during a pandemic-- waited in line to buy a single stamp for a single envelope. 1 Star to you sir, for making the whole world less efficient.

      For real though people, buy stamps in advance, buy them by the book -support the USPS!

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    • Photo of Jeff P.
      Jeff P.
      San Francisco, CA
      96
      85
      5
      Aug 24, 2021

      The has been no maintenance of our local post office for far too long. The windows are absolutely filthy and would require minimal effort to clean and maintain. I can't understand how the staff can stomach seeing the front windows everyday--it is truly disgusting. Tiles missing should be replaced and the sidewalks maintained.

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    • Photo of Johnson H.
      Johnson H.
      San Francisco, CA
      1
      12
      19
      Oct 2, 2020

      Received pink slip stating the package is at this facility. Went back there on 4 separate occasions (on 4 separate days) as per instructed by the staff member. Each time I went back they had to search the stockpile for 30+ minutes only to tell me they don't have it and come back another day.

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    • Photo of Nicholas G.
      Nicholas G.
      New York, NY
      413
      251
      1402
      Feb 28, 2019

      Not sure why this post office gets so many low reviews. I've come here for a couple stops now, and my experiences have been great.

      I RECOMMEND (like most post offices) trying to avoid the lunch and after 5pm rush, although the line wasn't been too bad the first time I came (around 12pm).

      OVERALL a fine four stars. Definitely prefer this location over the long lines downtown.

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    • Photo of Stephen S.
      Stephen S.
      San Francisco, CA
      8
      38
      4
      May 19, 2017

      I have never had a single problem at the post office here. The people are extremely nice, Paul, etc. the whole crew! The lady behind the window with the Guinness Book of Records nails is a hoot! Always friendly and funny and she regularly asks the line if they are *just* picking up...how nice. I understand what they do and that it isn't easy working for the USPS...hey, The Mail Never STOPS. Do yourself a favor and try to brighten their day for a change if you don't already, the karma will come back to you in spades.

      If I *did* have a complaint it would be that they don't have free valet parking service nor serve adult refreshments in line while you wait. Boy wouldn't that be nice ;)

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    • Photo of Mary H.
      Mary H.
      San Francisco, CA
      14
      18
      Feb 10, 2018

      Our particular station, I was told on a three way with Amazon.com, has a policy of not delivering a package, but rather putting a "come get it or call to schedule delivery. I don't pay two day delivery to have it become three by this delay. And secondly the dozen or so rescheduling I arranged with Amazon on a three way, not once materialized. Over a dozen. Then they hold onto the package for at least three weeks after refusing to deliver, delaying any refund.

      I live in a senior/disabled building. This infuriating tactic to force recipients to come get the package is made further shameful by the fact that carriers see what type of dwelling to which they are delivering; they know it's a senior disabled community yet force this community to do something that is often either impossible (carry packages and pay for transportation as a majority of this population does not drive) or a huge deal to arrange.

      I as well as Amazon have tried in vein by contacting that offices postmaster general who obviously refuses to address this as the USPS driver dumped (not delivered) a forty pound package to me in the lobby. \

      One worker said they don't deliver over floor one (as a contract Fed Ex fed me...which was BS). USPS has fed me this lie as well.

      USPS: Step up and do your job. You are paid upfront trusting you will deliver on that promise to deliver. Either stop taking our money or do your job.

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    • Photo of Julian I.
      Julian I.
      London, United Kingdom
      110
      343
      394
      May 26, 2014

      This is where I get do ALL of my mailing, have a PO Box, and the Staff for the most part has been really lovely to me here. Especially Maggie. She is a WONDERFUL Employee! Everytime I get in queue I end up hoping that I will get directed towards her. She is super friendly, bubbly, and helpful! Yolanda is also amazing. Valerie and Kevin have also given me amazing customer service!

      Sometimes the queues are long and its hot inside but Im giving this Post Office 5 stars for the help the Staff here have given me and for all of the services I use and receive here. This is my favourite Post Office in San Francisco and conveniently close to Walgreens, Starbucks, Mollie Stones, Eureka Valley Rec Centre, Castro Country Club, 33 & 24 Muni Lines and everything else in the Castro!

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