Extra Space Storage sets the standard for clean, secure, and hassle-free self storage, and our facility at 51 McGrath Hwy is no exception. Our Somerville storage facility offers a large selection of unit sizes with convenient options like climate control and vehicle storage. Located near Prospect St and Cambridge St, we're trusted by neighbors in Somerville, Cambridge, Charlestown, 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.
Explore offerings from Extra Space Storage on 51 McGrath Hwy in Somerville, with popular services available at this location.
3335 Services
31 items
Services
Self Storage
Extra Space Storage offers a wide range of secure self storage solutions for residential and commercial needs. Our storage units are rented on a month-to-month basis and come in a variety of sizes from 5x5 to 10x30, with additional sizing available and a variety of storage features and amenities.
Online Payments
Extra Space Storage makes it easy to pay your storage rental bill online. Simply log into your account to access statements, make a payment, and more. You can make a one-time payment, or set up recurring payments when you rent self-storage online.
Packing & Moving Supplies
Extra Space Storage sells packing and moving supplies like moving boxes, bubble wrap, packing tape, rope and tie-downs, moving kits, and more. We have all of the high-quality moving supplies you need for a successful move!
Business Storage
Extra Space Storage offers small and large storage units for business use. Commercial storage features can include extended access hours, climate control, warehouse space, and more. Business storage is a great solution for businesses with surplus supplies, equipment, or inventory.
Moving Boxes
Extra Space Storage sells moving boxes in a variety of sizes ranging from 1.6 cubic feet to 6.1 cubic feet. Including specialty moving boxes such as Wardrobe, Television, or File boxes for unique items! Moving boxes at Extra Space Storage are high-quality, sturdy, and affordable.
5x5 Storage Units
Extra Space Storage's 5x5 storage units offer 25 square feet of floor space and an average ceiling height of 8 feet, providing 200 cubic feet of storage. Comparable in size to a small closet—store seasonal items, moving boxes, compact furniture, and other belongings.
5x10 Storage Units
Extra Space Storage's 5x10 storage units offer 50 square feet of floor space and up to 8-foot ceilings, providing 400 cubic feet of storage. Comparable in size to a standard walk-in closet, you can store a queen size mattress set, multiple moving boxes, and other belongings.
5x15 Storage Units
Offering 75 square feet of floor space and an average ceiling height of 8 feet—totaling 600 cubic feet of storage—a 5x15 storage unit is comparable in size to a large walk-in closet. Great for storing king mattresses, washers, dryers, kayaks, canoes, motorcycles, and more.
10x10 Storage Units
10x10 storage units at Extra Space Storage offer 100 square feet of floor space, an average ceiling height of 8 feet, and 800 cubic feet of storage capacity. About the size of a small bedroom, ideal for storing the contents of multiple bedrooms, appliances, ATVs, office furniture, and more.
10x15 Storage Units
Extra Space Storage’s 10x15 storage units offer 150 square feet of floor space, an average ceiling height of 8 feet, and 1,200 cubic feet of total storage space. These units are comparable in size to a large bedroom, making them perfect for storing couches, dressers, appliances, jet skis, riding lawn mowers, and more.
10x20 Storage Units
10x20 storage units at Extra Space Storage provide 200 square feet of floor space, average ceiling height of 8 feet, and 1,600 cubic feet of total storage. About the size of a one-car garage, you can store small vehicles, furniture from multiple bedrooms, moving boxes, and more.
10x25 Storage Units
A 10x25 storage unit has 250 square feet of floor space, an average ceiling height of 8 feet, and 2,000 cubic feet of total storage capacity. Comparable to a large one-car garage—it can accommodate the contents of a 3-5 bedroom home—including furniture, appliances, vehicles, and multiple moving boxes.
10x30 Storage Units
Extra Space Storage's 10x30 storage unit provides 300 square feet of storage space, with an average ceiling height of 8 feet, and 2,400 cubic feet of total storage capacity. About the size of a 1.5-car garage, these units are ideal for storing items from a 4–5 bedroom home like furniture and appliances, as well as vehicles or business inventory.
Moving Carts
Extra Space Storage facilities offer sturdy moving carts, as well as moving dollies that may be used free of charge if you need a push-cart to help easily transport your belongings from your vehicle to your self storage unit.
Climate-Controlled Storage
Climate control at Extra Space Storage can help protect sensitive items like art, wine, electronics, documents, and more from extreme temperatures. Climate-controlled storage units typically stay between 55 and 80 degrees year-round.
Deliveries Accepted
Some Extra Space Storage storage facilities allow deliveries to be accepted. With delivery acceptance, a staff member will be available to accept your mail or packages and keep them in a secure place until you pick it up. For more information about package acceptance and placement, contact our team!
Electronic Gate Access
Extra Space Storage facilities with electronic gate access have a main gate or door that can only be opened with a code entered on an electronic keypad. Each customer is given a unique access code for this storage security feature, allowing managers to see who's coming and going at all times.
Car Storage
Store your car for as long as you need with Extra Space Storage car storage! We offer a variety of indoor, outdoor, and covered drive-up vehicle storage units and parking spaces perfect for storing sedans, SUVs, pickup trucks, and more. Car storage units are usually 10x15 or larger.
Motorcycle Storage
Store your motorcycle for as long as you need with Extra Space Storage motorcycle storage! We offer a variety of indoor, outdoor, and covered drive-up vehicle storage units and parking spaces. Motorcycle storage units are usually 5x10 or larger.
Outdoor Vehicle Storage
Store vehicles of any size for as long as you need in outdoor vehicle storage units at Extra Space Storage! We offer a variety of spacious parking spaces perfect for storing vehicles from small cars and motorcycles to large RVs, boats, and trailers.
Overnight Security Monitoring
Have peace of mind that the belongings in your storage unit are well-protected at Extra Space Storage. Even past normal office and gate hours, our advanced security features continue to monitor our self storage facilities and storage units overnight.
Heated Loading Bay
Heated loading bays at Extra Space Storage use heaters to warm the area of our storage facilities where customers load and unload their items in and out of storage units, providing comfort and convenience year-round.
Kiosk
Kiosks allow you to lease a storage unit and manage your account when it’s most convenient for you. These are available for customers who prefer no contact or can’t get to an Extra Space Storage office during business hours.
Wide-Drive Aisles
Wide-drive aisles provide plenty of space for larger vehicles and moving trucks to get in and out of an Extra Space Storage facility when accessing outdoor and drive-up storage units or loading bays.
Loading Dock
Easily load and unload items in and out of our storage facilities with convenient loading docks at Extra Space Storage. Storage facilities with a loading dock provide a convenient space near storage facility doors to park your vehicle or moving truck, making it easy to move items in and out.
Elevator Access
Extra Space Storage has passenger elevator access that allows customers to easily access storage units on upper levels of our storage facilities. With our convenient elevator access, you won't have to worry about hauling items up and down stairs.
RV Storage
Extra Space Storage offers RV parking for trailers, campers, and motorhomes. Extra Space Storage offers indoor, outdoor, or covered RV parking with units ranging from 8x20 to 8x40 and sometimes larger! Our outdoor parking spaces are up to 50 feet long and come in covered and uncovered options.
Video Surveillance
Video surveillance allows Extra Space Storage to use cameras to monitor storage facilities and storage units. This storage security feature helps keep customers' items safe and can provide storage facility staff and law enforcement with footage to review should damage or theft occur.
Wine Storage
Wine storage units at Extra Space Storage utilize humidity and climate control to help protect wine collections from extreme temperature changes as well as limit light and vibration exposure. Keep your collection high-quality with wine storage near you!
Manager On-Site
Extra Space Storage facilities across the country have on-site managers ready to answer questions and help you find the right storage solution. Our knowledgeable, friendly team is committed to making your storage experience as easy as possible.
24/7 Access Available
Extra Space Storage has 24-hour access available at select storage facilities when you upgrade to our best package during the rental process. This feature is useful if you need access to your unit outside of regular business hours. Contact the on-site manager to learn more about 24-hour access availability and upgrade options.
Reviews
4.7
463 reviews
5 stars
412
4 stars
18
3 stars5
2 stars3
1 star
25
MP
Monique Peyreau
3 days ago
5.0
Great customer service, thank you Emily! She was super helpful in showing me around the facilities, which were very clean.
Fair prices, and the team is there to accommodate any questions or concerns.
EW
Enoch Wang
6 days ago
5.0
Thomas has been extremely helpful in getting me supported and finding the proper unit
AV
Andrea Villamizar
Oct 3, 2026
5.0
Buen servicio en el estorage de parte emily y tomas, mostraron el espacio y. nos explicaron todo ! Fueron muy amables!
LF
Logan Fick
Sep 25, 2026
5.0
in-person customer support was very friendly and worked with me to resolve a dispute promptly and effectively
MM
Mariah Muscato
Sep 17, 2026
5.0
Amazing experience renting my very first storage unit. I feel very confident in my purchase and the team was extraordinarily helpful!!!
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.
What are your storage unit prices?
Monthly rates can be found online and vary by facility, unit size, features, and local market. Please use our site search tools to find pricing at a facility near you.
What's the difference between office, access, and gate hours?
The office hours are the hours of operation for the property. During these hours the Store Manager will be available to assist you with your storage needs or moving and packing supplies. The gate hours are the hours of the property, and when your unit can be accessed.
Can I buy boxes or other packing products from Extra Space Storage?
Extra Space Storage offers a variety of moving and packing supplies online and at local facilities for purchase.
What areas does Extra Space Storage serve?
Extra Space Storage serves customers in Somerville, as well as those living in Cambridge, Medford, Chelsea, Everett, and more.
What is the closest intersection to Extra Space Storage?
Extra Space Storage is located near the intersection of Prospect St and Cambridge St.
Do you offer climate-controlled storage units?
Most Extra Space Storage facilities offer climate-controlled storage units as an option for anyone storing temperature sensitive items, but there are also standard storage units that don’t include climate control.
What are the access hours for Extra Space Storage in Somerville?
Extra Space Storage is open daily from 6:00 AM to 10:00 PM, including Sundays.
What types of storage units does Extra Space Storage offer?
They offer a large selection including climate-controlled units, standard units, vehicle storage for RVs and boats, and specialized options like wine storage.
Can I purchase packing and moving supplies at Extra Space Storage?
Yes, Extra Space Storage offers a variety of moving and packing supplies available for purchase both online and at local facilities.
Is there a manager available on-site at the Extra Space Storage facility?
Yes, there is an on-site resident manager to assist with your storage needs.
What payment options does Extra Space Storage accept?
They accept American Express, Apple Pay, Cash, Check, Discover, MasterCard, and Visa.
Where is Extra Space Storage located in Somerville?
It is located at 51 McGrath Hwy near the intersection of Prospect St and Cambridge St in Somerville, MA 02143.
What nearby services can assist with my moving needs near Extra Space Storage?
U-Haul Neighborhood Dealer nearby offers truck rentals which can be helpful for transporting your belongings to or from Extra Space Storage.
What local food options are available near Extra Space Storage?
You can find fast food at McDonald's and healthy smoothies at Tropical Smoothie Cafe near Extra Space Storage for a quick meal before or after your visit.
Does Extra Space Storage provide convenient features for vehicle and RV storage?
Yes, the facility offers RV parking, electronic gate access, elevator access, heated loading bay, and is ADA compliant for easy access.
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