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Holiday Observances

This office will be closed to observe the following holidays:

  • New Years Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Columbus Day
  • Veterans Day
  • Thanksgiving
  • Christmas Eve (1/2 day)
  • Christmas
  • New Year's Eve (1/2 day)

Holidays that fall on a weekend day may be observed on the preceding Friday or following Monday. Payments due on a Sunday or a Holiday may be made online to avoid pending late charges. Please contact us in advance if you have any questions.

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Thank you for your interest in this storage unit. As this unit is currently unavailable you will be added to a waitlist, we will contact you as soon as possible to see how we can help to meet your need.

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Lock In Today's Online Deal: First Month FREE

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HomeSelf StorageMASouth Boston › 135 Old Colony Ave.

Prime Storage - South Boston Old Colony Avenue

135 Old Colony Ave.
South Boston, MA 02127

617-315-6404
  • Covered Unloading & Loading Area
    Covered Unloading & Loading Area
  • Ground-level drive-up access
    Ground-level drive-up access
  • Climate controlled units
    Climate controlled units
See All +
Office Hours
  • Sun:10:00am-2:00pm
  • Mon:8:00am-6:00pm
  • Tue:8:00am-6:00pm
  • Wed:8:00am-6:00pm
  • Thu:8:00am-6:00pm
  • Fri:8:00am-6:00pm
  • Sat:9:00am-4:00pm
Access Hours
  • Sun:10:00am-2:00pm
  • Mon:8:00am-6:00pm
  • Tue:8:00am-6:00pm
  • Wed:8:00am-6:00pm
  • Thu:8:00am-6:00pm
  • Fri:8:00am-6:00pm
  • Sat:9:00am-4:00pm
Holiday Observances
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All Units
Small
5x5 & Under
Medium
5x10 to 10x15
Large
10x20 & Up
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  • Climate Controlled
  • First Floor
  • Elevator Access
  • Rolling Ladder
Unit Size
Unit Details
Special Offer
Rate/Mo
Deal
2 33
Unit Size
Approx. 32 sq. ft.
4x8
Standard
  • Elevator Access
    Elevator Access
$123
ContinueLimited Availability, Act Now!
Limited
1 19
Unit Size
Approx. 32 sq. ft.
4x8
Standard
  • First Floor
    First Floor
$130
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Limited
1 35
Unit Size
Approx. 40 sq. ft.
5x8
Standard
  • Elevator Access
    Elevator Access
$148
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Limited
1 11
Unit Size
Approx. 50 sq. ft.
5x10
Standard
  • Rolling Ladder
    Rolling Ladder
$125
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Limited
2 43
Unit Size
Approx. 50 sq. ft.
5x10
Standard
  • Elevator Access
    Elevator Access
$149
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Limited
1 14
Unit Size
Approx. 60 sq. ft.
6x10
Climate Control
  • Climate Controlled
    Climate Controlled
  • First Floor
    First Floor
First Month Half Off
$209
$105
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Limited
1 19
Unit Size
Approx. 64 sq. ft.
8x8
Standard
  • Elevator Access
    Elevator Access
$181
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Limited
10 39
Unit Size
Approx. 80 sq. ft.
8x10
Standard
  • Elevator Access
    Elevator Access
First Month FREE
$243
1 21
Unit Size
Approx. 100 sq. ft.
10x10
Standard
  • Elevator Access
    Elevator Access
$240
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Limited
3 14
Unit Size
Approx. 100 sq. ft.
10x10
Climate Control
  • Climate Controlled
    Climate Controlled
  • First Floor
    First Floor
First Month FREE
$291
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Limited
1 11
Unit Size
Approx. 125 sq. ft.
10x12.5
Standard
  • Elevator Access
    Elevator Access
First Month Half Off
$247
$124
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Limited
1 5
Unit Size
Approx. 150 sq. ft.
10x15
Standard
  • First Floor
    First Floor
First Month FREE
$276
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Limited
1 2
Unit Size
Approx. 150 sq. ft.
10x15
Climate Control
  • Climate Controlled
    Climate Controlled
  • First Floor
    First Floor
$304
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Limited
1 1
Unit Size
Approx. 180 sq. ft.
10x18
Standard
  • Elevator Access
    Elevator Access
$289
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Limited
1 5
Unit Size
Approx. 180 sq. ft.
10x18
Standard
  • First Floor
    First Floor
First Month FREE
$335
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Limited
1 3
Unit Size
Approx. 200 sq. ft.
10x20
Climate Control
  • Climate Controlled
    Climate Controlled
  • First Floor
    First Floor
$381
ContinueLimited Availability, Act Now!
Limited
1 7
Unit Size
Approx. 250 sq. ft.
10x25
Standard
  • First Floor
    First Floor
First Month FREE
$468
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Limited
1 6
Unit Size
Approx. 280 sq. ft.
10x28
Standard
  • Elevator Access
    Elevator Access
First Month FREE
$453
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Limited
0 2
Unit Size
Approx. 10 sq. ft.
2x5
Standard
  • Elevator Access
    Elevator Access
$66
0 7
Unit Size
Approx. 20 sq. ft.
4x5
Standard
  • Elevator Access
    Elevator Access
$92
0 9
Unit Size
Approx. 20 sq. ft.
4x5
Standard
  • First Floor
    First Floor
$102
0 1
Unit Size
Approx. 20 sq. ft.
4x5
Climate Control
  • Climate Controlled
    Climate Controlled
  • First Floor
    First Floor
$107
0 7
Unit Size
Approx. 25 sq. ft.
5x5
Standard
  • Elevator Access
    Elevator Access
$106
0 7
Unit Size
Approx. 25 sq. ft.
5x5
Standard
  • First Floor
    First Floor
$110
0 2
Unit Size
Approx. 32 sq. ft.
4x8
Climate Control
  • Climate Controlled
    Climate Controlled
  • First Floor
    First Floor
$150
0 5
Unit Size
Approx. 80 sq. ft.
8x10
Climate Control
  • Climate Controlled
    Climate Controlled
  • First Floor
    First Floor
$276
0 2
Unit Size
Approx. 125 sq. ft.
10x12.5
Climate Control
  • Climate Controlled
    Climate Controlled
  • First Floor
    First Floor
$283
0 2
Unit Size
Approx. 200 sq. ft.
10x20
Standard
  • Elevator Access
    Elevator Access
$337
0 9
Unit Size
Approx. 200 sq. ft.
10x20
Standard
  • First Floor
    First Floor
$350
0 1
Unit Size
Approx. 225 sq. ft.
15x15
Standard
  • Elevator Access
    Elevator Access
$431
No units match criteria.
Discount Disclaimer

All promotional offers are subject to change at any time and are available for new rentals only. Offers are not available to existing customers transferring between units. Moving out and back in to a unit at the same storage facility within 30 days will be considered transferring between units. Offers are not combinable and apply to the storage unit rental fee only. Certain promotions may require prepayment for two or more months and/or may be subject to additional terms and conditions. See store for full details. Other restrictions, taxes, fees (including an administrative fee) and insurance requirements may apply. See contract for full details. Active military personnel must present current military ID at time of lease signing to receive military discount.

Storage unit availability and pricing is subject to change. Reservations may be made up to 15 days prior to the selected move-in date to guarantee online promotional pricing and unit availability. Reservations will be held until close of business on the selected move-in date and automatically expire thereafter. The rental process for the reserved unit includes, but may not be limited to, lease signing, payment, evidence of insurance and identification, and must be completed prior to the expiration of the applicable reservation. Unit availability and promotional pricing is not guaranteed after reservations expire.

Price Match promotion is available at select Prime Storage or Prime Storage affiliated locations. Price Match is only available on standard rates for comparable units (same unit type, size, level, etc.) of competitors within a 5 mile radius of the applicable Prime Storage facility. Competitor promotional rates are not eligible for Price Match. A Prime team member will verify the competitor pricing to be matched prior to honoring such price. Available to new customers only; current customers and customers who transfer units are not eligible for promotion. Price Match promotion subject to change. Additional terms and conditions may apply.

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  • Climate ControlledClimate Controlled
  • Drive UpDrive Up
  • Stair AccessStair Access
  • Rolling LadderRolling Ladder
  • Elevator AccessElevator Access
  • First FloorFirst Floor
  • Off Site UnitOff Site Unit
  • About
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About

About

Welcome to Prime Storage on Old Colony Avenue in South Boston, Massachusetts. Located on the Northwest corner of Old Colony Avenue and D Street, our clean, well lit, and well-maintained storage facility offers an excellent selection of self storage solutions and amenities. In addition to a selection of storage unit sizes, ranging from 4' x 5' all the way up to 28' x 10', our storage solutions meet everyone's needs and budget. From economy and standard units to premium units, all of our units are indoors. At Prime Storage, we take your business seriously and strive to give you the best storage experience possible. Call today for more information or reserve your storage unit online now to lock in your web-only special rate!

  • Covered Unloading & Loading Area
    Covered Unloading & Loading Area
  • Ground-level drive-up access
    Ground-level drive-up access
  • Climate controlled units
    Climate controlled units
  • Freight Elevator
    Freight Elevator
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40 CUSTOMER REVIEWS


2 Months Ago

Needed to quickly find a storage unit for my new sales representative in South Boston. Went to Prime Storage and Leslie Perez was absolutely fantastic. Showed us multiple units, answered all of the questions I had, and made it simple and easy to get setup. Having dealt with many different storage unit companies over the years for work I would say that this was one of the easiest/best experiences I have had when securing a unit. Highly recommend this location for your storage needs!


2 Months Ago

I’ve never come across someone with such outstanding Customer Service thank you Liz for Your great customer service .


2 Months Ago

Absolutely love Liz , she is so patient ♥️ Best employee I’ve come across .


2 Months Ago

Love the attention to detail that the general manager had. And how she was able to help make the best choice for me. She is great employee that knows how to really help her tenants.


2 Months Ago

The facility was very clean. Leslie was very helpful. Will be recommending to my family and friends.


2 Months Ago

Easily accessible place & friendly staff!


3 Months Ago

Leslie was wonderful and so helpful. Would recommend solely based on our experience with her as an employee.


3 Months Ago

I couldn't figure out how to do the paperwork online. Leslie tried helping me over the phone but I'm not to savvy with a computers at my age. I came into the office and Leslie made the whole process so much more easier. She even helped me change my unit so it coukd be easier to get to. She has the best personality and customer service I've seen in a very long time. I look forward on storing my things here knowing Leslie is managing this place right.


3 Months Ago

Prime storage is a very clean and accessible facility. It's right off the highway and it's between two train stations. I would recommend anyone in the South Boston, Dorchester, South End and Downtown Boston area to rent at this facility.The general manager Leslie at this location is very professional and she's there to help you all the way.


3 Months Ago

Great customer service!!


3 Months Ago

Helped a friend move in here. Friendly staff and accomodating


3 Months Ago

I had a great experience helping a friend move! The customer service was fantastic!


4 Months Ago

Prime storage is a very clean and accessible facility. It's right off the hallway and it's between two train stations. I would recommend anyone in the South Boston, Dorchester, South End and Downtown Boston area to rent at this facility.The general manager Leslie at the storage facility is very professional and she's there to help you all the way.


4 Months Ago

Leslie is the best! She is always helpful and the facility is easily accessible. De lo mio!


6 Months Ago

This is hands down the best storage facility in the city. Leslie truly takes the time to explain to you the process of renting a unit and the steps that need to be taken. She was very kind and respectful the entire time. I will definitely continue to recommend Prime Storage to my friends and family.


6 Months Ago

I leave close to the facility so decided to go in to buy some boxes and moving supplies. Leslie the general manager helped me when I went in. She was so helpful and very nice to me I will let my family and friends know about this storage facility. If I ever need storage I will be back to this facility.


7 Months Ago

The facility is well maintained and the customer service is great, and location is just perfect. I will definitely tell my friends and family about my experience at this location.


7 Months Ago


7 Months Ago

Leslie from prime storage is what every employee should strive for! From answering any questions at an expedited fashion, to extending herself to make sure your experience is satisfactory, she does it all. If you're on the fence as to whether you should use prime or not, go in and see Leslie and then make your decision.


8 Months Ago


8 Months Ago

Very nice clean facility the staff is awesome and have very good customer service. The manager is always very helpful with whatever she could help with. I will recommend this facility to any family member or friend.


8 Months Ago

I just got off the phone with Leslie who was soooo much help to us. Our dates of need for storage shifted overnight from when we booked, and she not only helped me to cancel my first booking free of charge, but she also reached out to her GM for me for clarification on some of the promotions for a re-booking. She reached back out to me on her own to relay that info, and we wound up re-booking for our correct dates during that phone call. This was truly a great customer service experience, and I'm excited to move in to this location for our storage needs knowing that their staff is so willing and able to be helpful.


8 Months Ago


8 Months Ago

One of the more reasonably priced storage units in the city. The facilities are clean and easily accessible. What really has stood out to me is the responsiveness and kindness of that staff. On multiple occasions they have gone out of their way to make sure I had a great experience.


9 Months Ago

The pandemic made moving out of Boston - CRAZY, but the folks at Prime were so helpful getting us set up with no notice and when we came back today without our lock combination, Leslie was SO helpful! Nice, clean and very good staff working here!


10 Months Ago

Very convenient location for me. Great storage space & Liz always is very kind and accommodating every time I go in.


10 Months Ago

Dina was great, and very helpful. Recommend


10 Months Ago

Leslie could not have been more helpful or cordial throughout the entire process. True professional and wonderful to work with. Would highly recommend prime storage and in particular, Leslie! Thank you, Leslie!


10 Months Ago

Leslie provides excellent customer service!!


10 Months Ago

Leslie, at the front desk was an amazing help! I rented a lot of units for work and Leslie guided me through all of it, was flexible, fast and organized!


11 Months Ago

Leslie was a HUGE help at Prime Storage in Southie. She was there to aid myself and my roommate in finding the perfect unit for us in the quickest and easiest way! Storage unit overall was affordable compared to other units around Boston with great amenities. I cant recommend enough.


11 Months Ago

Can't say enough great things about this place. I accidentally reserved (and paid for) a unit at the wrong location. On the day I went to move they were able to reserve me a new unit and refund my previously paid unit. The whole process actually took like 35 min and required multiple phone calls plus an email. Cannot say enough about how helpful they were. The unit itself is great. There are carts available to help you move multiple boxes. They have a mattress cart as well. You can buy the usual stuff at the location (furniture pads, mattress covers, tape, boxes, locks, etc).

They are also doing a good job with social distancing and other precautions. One person is allowed into the small office at a time while others form a line outside. There is a mirrored computer monitor facing the customer to help sign documents and view the lease.


11 Months Ago

I have been doing business with prime storage for 4 months now and I must say since day 1 customer service has been great. I definitely recommend prime store. They are huge and have reasonable prices.


Great experience. People that work managers super nice!


Had a great experience moving my items in. Leslie was awesome and super friendly. Will recommend to others.


Peter was very helpful. Made the process easy and quick. Appreciate his professionalism. Facility is clean and easy to access.


Nice place. Friendly and knowledgeable manager.


Clean, friendly, convenient, and good value Highly recommend.


Very nice place, clean friendly and great location with easy access


Very friendly great place convenient and clean.

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5'x5'Walk-in Closet

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This size unit yields 25 square feet of space. Although these 5x5 units are small, they are an excellent size to store all of your extra items, like garden tools, seasonal items, office supplies, or your miscellaneous boxes.

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