Self-Storage FacilityPublic StorageMoving Supply Store
Store your belongings at Extra Space Storage on 1229 US Highway 22 in Mountainside, NJ today! Our large selection of storage units, Business Storage, Moving Boxes, Self Storage, Online Payments, Packing & Moving Supplies, 5x5 Storage Units, 5x10 Storage Units, 5x15 Storage Units, 10x10 Storage Units, 10x15 Storage Units, 10x20 Storage Units, 10x25 Storage Units, 10x30 Storage Units, Moving Carts, Climate-Controlled Storage, Deliveries Accepted, Drive-Up Access Storage, Electronic Gate Access, Overnight Security Monitoring, Wide Drive Aisles, Elevator Access, Video Surveillance, Manager On-Site and helpful staff make finding the right self storage unit for you easy and hassle-free. Experience the professionalism, cleanliness, and commitment to exceptional customer service that Extra Space Storage is known for. Contact us today to reserve your storage unit or set up a time to stop by and take a tour of our facility!
Explore offerings from Extra Space Storage on 1229 US Highway 22 in Mountainside, with popular services available at this location.
3773 Services
9 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).
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 one-time online payments or even set up recurring payments.
Packing & Moving Supplies
Extra Space Storage sells packing and moving supplies like boxes, bubble wrap, packing tape, rope, moving kits, and more. We have all of the moving supplies you need for a successful move!
Package Placement
Extra Space Storage facilities can accept package deliveries on behalf of customers. For more information about package acceptance and placement, contact our team!
Deliveries Accepted
Some Extra Space Storage locations allow deliveries to be accepted. With delivery acceptance, a staff member will be available to accept your mail and keep it in a secure place until you pick it up.
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, allowing managers to see who's coming and going at all times.
Wide Drive Aisles
Wide-drive aisles provide plenty of space for larger vehicles and moving trucks to get in and out of Extra Space Storage when accessing outdoor and drive-up storage units.
Alarm Monitoring
With alarm monitoring, a storage unit is outfitted with its own individual security system. With this feature, an alarm will sound if an unwanted individual tries to enter. At Extra Space Storage, these alarms can only be disarmed by entering a unique code on a keypad.
Video Surveillance
Video surveillance allows Extra Space Storage to use cameras to monitor our facilities and storage units. This security feature helps keep customers' items safe and can provide facility staff and law enforcement with footage to review should damage or theft occur.
Reviews
4.9
391 reviews
5 stars
371
4 stars
11
3 stars2
2 stars1
1 star
6
WR
will rhodes
4 days ago
5.0
Helpful & friendly staff. Easy access to my clean & ready storage unit. Very happy.
JD
Julie Diddell
Sep 19, 2026
5.0
Friendly and informative
DL
Derek Li
Aug 28, 2026
5.0
Great experience at Extra Space Storage in Mountainside! Brena and Francis are both very friendly, professional, and helpful. They made everything easy and provided excellent customer service. Highly recommend! A+++
WI
World Inspection
Aug 9, 2026
5.0
Staff is very helpful especially the one lady that runs the place I can't remember that break she created always helps
RS
Robert Sprung
Jul 27, 2026
5.0
Superb company in all respects. Special compliments to Brena Coleman, store manager.
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 Springfield, Westfield, Cranford, New Providence, Garwood, and more.
What is the closest intersection to Extra Space Storage?
Extra Space Storage is located near the intersection of US Hwy 22 and Central Ave.
Do you have drive-up storage units?
Yes! Whether you’re moving, storing a vehicle, or using commercial storage, drive-up access is one of the best storage features available at Extra Space Storage! Because you can pull a vehicle right up to your unit, it makes moving large, heavy items—like furniture or equipment—in and out of your unit much easier.
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.
Do you offer RV storage solutions?
Yes! At Extra Space Storage we offer outdoor parking, covered parking, and indoor storage solutions for RVs of all sizes. Whether you’re leaving an RV in storage long term or simply need a place to park an RV between uses, we offer a flexible option with month-to-month leases so you can store for as long as you need.
What are the access hours for Extra Space Storage in Mountainside, NJ?
Extra Space Storage is open daily from 6:00 AM to 10:00 PM, allowing flexible access to your storage unit throughout the week.
What types of storage units does Extra Space Storage offer?
They offer a large selection of storage units including drive-up access units, climate-controlled units, and non-climate-controlled units to accommodate various storage needs.
Does Extra Space Storage provide packing and moving supplies?
Yes, you can purchase moving and packing supplies like boxes both online and at the facility to help with your storage needs.
Are there drive-up storage units available at Extra Space Storage?
Yes, drive-up access units are available, making it easier to move large or heavy items directly to your storage space.
Can I store my RV at Extra Space Storage?
Extra Space Storage offers outdoor parking, covered parking, and indoor storage solutions for RVs of all sizes with flexible month-to-month leases.
What payment options does Extra Space Storage accept?
They accept American Express, Apple Pay, cash, check, Discover, Mastercard, and Visa for your convenience.
Where is Extra Space Storage located?
The facility is located at 1229 US Highway 22, Mountainside, NJ 07092, near the intersection of US Hwy 22 and Central Ave.
Are there any nearby gyms or sports facilities close to Extra Space Storage?
Yes, Peak Sports Academy, Hoops There It Is, and Mountainside Racquet Club are nearby gyms and sports venues where you can work out before or after your storage visit.
What dining options are near Extra Space Storage?
Nearby restaurants include Spanish Tavern, Arirang Hibachi Steakhouse, and Alexus Steakhouse and Tavern, perfect for grabbing a meal when visiting the area.
How can nearby businesses like Life Storage - Mountainside complement my storage needs at Extra Space Storage?
Life Storage - Mountainside is a nearby self-storage facility that offers alternative options or additional storage space if needed, providing choices within the local area.
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