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    Caltech Post Office

    3.3 (3 reviews)
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    US Post Office - Inside

    US Post Office

    3.0(78 reviews)
    2.1 mi

    COVID-19: Social distancing is not enforced at this establishment. Some of the staff wears a mask…read more All customers are not expected to wear a mask. It's optional now. There are no hand sanitizers available for customers to use. This place is open and available with no limited capacity. They are not sanitizing in between customers. COVID-19 Vaccination Proof: This establishment currently does not require proof of vaccination. While I was here in this establishment several days ago, I asked if they had any special offers and they weren't offering any at the moment. They also do not allow pets in their establishment UNLESS it's a service animal. Parking: The parking lot for this establishment is behind the establishment, and it's shared with other businesses. The lot rarely ever gets full though. So don't worry. Each parking spot is pretty wide. You can also do street parking. Take your pick. Establishment: The establishment itself is very clean, neat, tidy, and organized. Staff: The staff here are very friendly, helpful, and knowledgeable. This is one of my go to post offices in my area. I enjoy coming here because everyone who works here are super reliable, efficient, kind, and helpful.

    I went to the post office to mail packages at 4:30 pm on 5/22/26. There was one lady was serving. I…read moreasked the question about the cost of the package, she treated me like a child. I understood what she said, but it showed other options of the cost on screen, I thought the cheapest one would apply. But the way she said was very rude. She should know better how to treat customer better. The location is convenient but it's still a ridiculous service and she does not care because it's a government job and not easily get hired.

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    US Post Office
    US Post Office - Outside

    Outside

    US Post Office - Inside

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    Inside

    US Post Office - It's 9:15 AM and there's already a line outside the door SMH

    US Post Office

    2.4(69 reviews)
    2.2 mi

    Wow, what can I say? Not a pleasant experience at all, unfortunately. And this was two days before…read moreChristmas. My cousin needed a box for a white elephant exchange and an Apple gift card. This post office had both items, fortunately. There was only one other person ahead of us and the lady working at the counter was exchanging familiar holiday pleasantries with her, maybe taking just a tad bit too long. But whatever. When it was finally our turn, her tone and attitude did a complete 180. This seemed really odd to me, but then again, this is the post office. And I figured it would be a quick in and out; at least that's what I thought it was going to be. Every answer and sentence from this woman was curt and just super impersonal, like she didn't like the fact that we were there in the first place. No holiday pleasantries for us, I guess. And all we did was walk in. Things got worse after that. Apparently the Apple gift card he wanted to buy wasn't working and accepting money for whatever reason. And so she asked us to grab another one. That one didn't work as well. But she had already charged his card. 15 minutes later, after some computer keyboard magicianry, she ended up having to give only partial cash back from the total gift card amount since they didn't have enough cash on-hand in the register. The rest came in a money order that she had to process as well. So now we're being inconvenienced with having to carry around money orders because - for reasons that were really never made sense - the gift cards wouldn't take any money. Another staffer was there, maybe a manager, who had to put in his code in the computer to authorize these transactions. I told him maybe they should pull all the Apple gift cards from the shelves since they don't apparently work. He completely ignored me. Didn't even look my way. In the end, his colleague could barely muster up an apology for a 15-minute interaction that should've taken a couple minutes. I think I may have heard a whispered or muttered "sorry about that" at the very end. LAME!

    Jeff at the counter went out of his way to help me, amazing customer service. I went in around noon…read moreand there was no wait. Parking was easy with handicap spaces. They sell supplies and there are mailboxes for rent. It's a good location.

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    US Post Office
    US Post Office
    US Post Office

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    US Post Office

    US Post Office

    2.5(230 reviews)
    3.1 mi

    I filed a customer complaint and never received a call back. Why am I not surprised? I also called…read moreover 100 times within the week because while I am sitting at a desk working, I made the time. What I got in return was, 2 pick ups with no response, as in they just took the phone off the hook, and one pick up with a promise to get a call back from a supervisor, Oscar or Nora? which never happened. At this point, they have overcharged my high school student son by $455. That was on May 11, today is May 27 and they still cannot rectify it. I have worked in customer service for years and this is the most inept thought process and management I have ever witnessed. If you see that you clearly are the reason for the gross error, and you can take out the money so easily in one day, clearly you can return it the same way which would of course take up to three business days, but not 16. At this point, we have been in there a total of three times and yesterday they had the nerve to tell us to come back to bring the receipt that they have in their freaking system. Like what????LOL it just keeps getting worse. We had pictures of the dates, times and receipt numbers. Are you kidding me? I want to work here too, so I don't have to practice accountability or professionalism. Ignore the phones, don't call customers back, don't give a shit if I messed up, this job must be great!

    This is the busiest post office I've been to. I usually try to go before 4pm as it tends to get…read morevery busy and get long lines since everyone is trying to make it in before the 5pm closing time. The staff friendliness is a hit or miss but they are always helpful and efficient. I've always only seen 2-3 people behind the counter and are usually bilingual in Chinese or Spanish. They also have self help kiosks which make things go faster and there are also drop off chutes and boxes in the lobby and on the outside which are also collected by 5pm.

    Photos
    US Post Office - Damaged package delivered in a muddy planter on a rainy day!

    Damaged package delivered in a muddy planter on a rainy day!

    US Post Office - Damaged envelope

    Damaged envelope

    US Post Office - Post Office Hours

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    Post Office Hours

    US Post Office - Back Parking lot for US post office - have to access thru an alley but there's not much parking other than the street

    US Post Office

    2.3(95 reviews)
    0.6 mi

    I was driving on Colorado Blvd on my way to work. I thought to myself... where is the post office…read morein Pasadena. Well, right when I looked up and turned to my right, I saw United States Post Office Pasadena LOL. I was like no way... the universe just answered my question or perhaps I did subconsciously LOL. Anyway, during my break time, I walked over here to drop off an Amazon return item that I had to package and seal which wasn't too bad. It's a small post office that has maybe 2 or 3 stations and some P.O. boxes available. The line was short with two people ahead of me, however, it was about a 10 minutes wait before it was my turn. There was only one person working behind the counter. Once I got up to the counter, it was scan bam thank you mam... 10 secs and I was done and out LOL. The staff was pleasant and nice. I'll be back to use this post office in the future. Funny, I've walked on that side of the street before and never noticed this post office. I guess we don't see it until we're looking for it. So start looking around your surroundings... it may surprise you and answer your questions LOL.

    The older white woman with gray hair who works here is incredibly rude. No greeting, no manners, no…read moreprofessionalism, just a terrible attitude from our encounter. Basic customer service seems completely nonexistent at this location. After reading other reviews, it appears I'm not the only person who's had this experience, which makes it even more disappointing. If you don't like working with customers, you probably shouldn't be in a customer-facing role. Terrible service, and I will never return to this location.

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    US Post Office
    US Post Office
    US Post Office

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    US Post Office - 1/24/26 Kiosk

    US Post Office

    2.0(132 reviews)
    4.8 mi

    1/24/26 What can I say? It's the Post Office. Short & sweet, it's clean, appears to be well…read moremaintained. Right now it's closed so I cannot review the staff interaction bit. It fits my purpose, to buy stamps since all my stuff (crafts & other things) are packed away for the time being. The kiosk was definitely convenient & easy to use. It's still sticker shock, now that 1st class stamp now costs $0.78 & international is $1.70. Even my friend in Germany says that's really steep. It is what it is, probably the reason most folks do email & other means of correspondence nowadays. It was a good experience, quick & easy peasy.

    I don't like to write negative reviews like this but I think this is the worst USPS location in the…read morearea. I have been to dozens of USPS locations and not one location has ever denied shipping my package. I came in to drop off a package with an Arcadia return address and they told me I couldn't drop off at this location and had to drop off at Arcadia post office. I was confused because I have dropped off packages with the same return address in El Monte, San Marino, Pasadena, City of Industry, and even Garden Grove before without any problems. I even went to a different location post office and asked if I can drop off a package from a different city's return address and they looked at me super confused as if that is an issue at all. All in all, do not come here. There are so many other post office locations with better service and nicer attitudes

    Photos
    US Post Office - 1/24/26 All my (crafts n such) stuff is in storage, even the gazillion stamps I've amassed

    1/24/26 All my (crafts n such) stuff is in storage, even the gazillion stamps I've amassed

    US Post Office
    US Post Office - 1/24/26

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    1/24/26

    US Post Office - Mail insert

    US Post Office

    2.0(77 reviews)
    4.0 mi

    LMAO it's honestly one of the worse post offices I've ever been to and exclusively just because of…read morethe staff. They're truly awful. Only go if you must but be prepared to feel awful about yourself from the bad treatment. If you have an extra 10 minutes just drive to San Marino for the friendliest staff.

    Buying postage stamps in person…read more.. Did you ever leave a business and think: "I should have bought _____." That's what happened after I left Sierra Madre's Post Office. As I was driving to my next destination, I thought that I should have purchased more stamps. Just then, I saw this post office in Arcadia and made a quick left into the driveway - after the post office - because there was a van coming out of the driveway closest to the post office. Turns out that what I did was correct. The driveway closest to the post office is one-way out only. I read the reviews about the older Asian female worker. She was scolding the customer in front of me. Oh wow. When it was my turn, I wondered if she was going to yell at me for paying in coins. Haha! I took a chance and unloaded what felt like five pounds worth of nickels, dimes, and quarters! It's good to put them back into circulation, right? ... because two international stamps are only $2.90 right now. It's a great time to use coins as payment for this small amount of currency! I thought I counted correctly, but all she said was, "You need ten more cents." That was my cue to give her ten pennies... LOL! Anyway, that's my way of risk-taking. I'll play it safe the rest of the day... Hopefully...

    Photos
    US Post Office - Side door

    Side door

    US Post Office - The driveway closest to the building is one way out only. I entered through the driveway next to it - for other businesses

    The driveway closest to the building is one way out only. I entered through the driveway next to it - for other businesses

    US Post Office - From door

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    From door

    Caltech Post Office - postoffices - Updated July 2026

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