603 Self-Storage- Belmont

Storage Facility at 17 Gilmanton Rd in Belmont, NH 03220

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We use the latest technology in Belmont, NH. Access to your unit is done with your smartphone with an easy to use App! No more carrying a key around or the fear of losing it. You will love the freedom and the added security.

603 Storage - Belmont

                                             603 Storage Belmont Facility low aerial shot

The 603 Storage Way

603 Self-Storage takes pride in offering a simple and hassle-free self-storage experience for all of our customers in Belmont, NH. We are a local company committed to providing excellent customer service and convenience for our customers by offering online bill pay, autopay and online rentals. 

Renting Storage Made Easy!

Simply look below for the size that meets your needs and click the "Rent Now" button. Or if you prefer, you can always call us and we would be happy to help! If you need a size that is not available at the moment, please let us know and we will see what we can do for you.

Now, that is Easy!

Rent Storage Units in Belmont, NH

Need Help Picking a Size? Click Here for our Space Calculator

5x5 drive up (5 x 5 x 8)

Size of a Small Walk- in Closet

Great for seasonal storage of decorations or sports equipment

$69 / month Waiting List

5x10 drive up (5 x 10 x 8)

Size of a Large Walk-in Closet

Useful for moving a studio apartment or for supplemental year round storage

$89 / month

8x10 Drive Up (8 x 10 x 8)

Size of a small garden shed

Holds the contents of most 1 bedroom apartments

$149 / month Waiting List

10x10 Drive Up (10 x 10 x 8)

Size of a Common Garden Shed

Our most requested size, great for a variety of needs. 1-2 bedroom apartment contents, or a pair of 4-wheelers, for example.

$159 / month Waiting List

10x15 Drive Up (10 x 15 x 8)

Size of a Large Shed

Versatile, holds the contents of a small house (if you enjoy tetris!) or large apartment. (Most Vehicles require a 10x18 or larger. Ask us about vehicle fitment before renting)

$169 / month Waiting List

10x20 Drive Up (10 x 20 x 8)

Size of a Single Stall Garage

Fits the contents of a small to medium sized house, or 1 car (Sedans, SUV's, and small pick up trucks - (max entry height 6'8" in most storage units, ask us about vehicle fitment before renting)

$199 / month

10x25 Drive Up (10 x 25 x 8)

Size of a deep single stall garage.

Holds the contents of a medium/average sized house. Also great for over-length (6'8" or less in height) vehicles

$229 / month

10x30 Drive Up (10 x 30 x 8)

Approx. size of a small 2 stall garage.

Fits the contents of most houses (house size up to 3k sqft). Can fit 2 small (Compact or SubCompact) cars, or one larger vehicle and many other items. 10x30 is one of our most popular sizes for movers.

$249 / month Waiting List


Amazing Customer Service
Contactless Rentals
Conveniently located (next to Dollar General and across from the Fire Station)
Easy Online Bill pay or Autopay available
Locally Owned and Operated (been in business over 20 years!)
Keyless Entry (just use your smartphone and share access with whomever you choose!)