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Extra Space Storage
Brand Certified

Extra Space Storage

4.4
(213 reviews)

About

Self-Storage FacilityPublic StorageMoving Supply Store
Extra Space Storage sets the standard for clean, secure, and hassle-free self storage, and our facility at 37 River St is no exception. Our Waltham storage facility offers a large selection of unit sizes with convenient options like climate control and drive-up access. Located near Seyon St and River St, we're trusted by neighbors in Watertown, Newton, Brighton, Belmont, and other surrounding areas. Whether you're moving, downsizing, or decluttering, we're here to make finding the right storage unit quick and simple. Reserve online, give us a call, or stop by the facility today.

Details

  • Credit cardAvailable
  • DebitAvailable

Location

Extra Space Storage
37 River St, Waltham, MA
02453, United States

Hours

Monday6:00 AM - 10:00 PM
Tuesday6:00 AM - 10:00 PM
Wednesday6:00 AM - 10:00 PM
Thursday6:00 AM - 10:00 PM
Friday6:00 AM - 10:00 PM
Saturday6:00 AM - 10:00 PM
Sunday6:00 AM - 10:00 PM
7/4/20266:00 AM - 10:00 PM
11/26/20266:00 AM - 10:00 PM
12/25/20266:00 AM - 10:00 PM
1/1/20276:00 AM - 10:00 PM

Reviews

4.4
213 reviews
5 stars
165
4 stars
20
3 stars
1
2 stars
5
1 star
22
  • ES
    elias succar
    Jan 22, 2026
    5.0
    Great storage facility
  • CJ
    C J
    Jan 16, 2026
    1.0
    I had the worst experience with the Extra Space Storage at 37 River St Waltham MA .I went here to rent a unit for a week while I waited for my new apartment to be renovated I spoke with the guy and told him I would like something on the first floor because I knew it was going to be a fast in and out as my new apartment was a week away from being ready .The guy then informed me that they only did monthly rentals and also didn't have any open first floor units "but don't worry We have elevators" so I said ok so they rented me a unit on the 3rd floor saying I would have access to the elevators . I rented the unit came back the next day to move the stuff in and the Elevators now had a out of order sign on them I went in the office to ask the guy when will they be fixed and he said he didn't know but I could "use the stairs ,the elevator is a luxury" 🤬I then replied telling him the only reason I agreed to rent that unit was because of the elevator that he sold me on he then replied with the same "use the stairs ,the elevator is a luxury". Went back to the office and was told this is a walk up unit.

Frequently Asked Questions About Extra Space Storage

What storage unit size do I need?

The best way to determine which storage option is right for you is with our helpful Storage Unit Size Guide! It will help you estimate how many boxes and non-packed items, such as furniture and appliances, you can fit into each storage unit.

What type of storage unit do I need?

Many factors determine your best storage solution. Do you want the convenience of a ground-floor unit? Do your belongings need climate control? What about vehicle storage? We have online resources to help you explore these options to find your ideal storage unit.

Brand Certified Facts from Extra Space Storage

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Certified May 17, 2026Yext Knowledge Graph
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