Storage Units in Mountainside, NJ: Find Cheap Self Storage Near You
120 locations near mountainside Found
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ViewExtra Space Storage provides secure vehicle storage solutions in Mountainside, perfect for cars, motorcycles, and more!
You can help protect temperature-sensitive items by renting climate-controlled storage at our Mountainside storage facilities!
Move heavy items into storage easily with drive-up access storage in Mountainside!
Extra Space's Mountainside storage locations have units ranging from 25 square feet to 300 square feet and larger!
learn more about MountainsideOur storage facilities in Mountainside offer a range of storage unit options for business and residential customers!
learn more about this city
Flash SaleSee available units & prices at this facility
View
Flash SaleSee available units & prices at this facility
View
Lowest in 30 Days!See available units & prices at this facility
View
Flash SaleSee available units & prices at this facility
View
See available units & prices at this facility
View
See available units & prices at this facility
View
Flash SaleSee available units & prices at this facility
ViewPrices exclude administration and insurance fees.
Prices exclude administration and insurance fees.
Why Extra Space Storage?
When you rent with Extra Space Storage in Mountainside, you can trust that you're getting a reliable self storage experience. Our Mountainside self storage properties are always clean, secure, and well-managed by our professional staff who offer excellent customer service. If you have any questions, we're here to help!
Mountainside Self Storage Features & Amenities
Storage units at our Mountainside storage facility range in size from 25 square feet to 300+ square feet and are ideal for residential or commercial storage needs. We also have storage units with features like indoor access, ground-level access, upper-level access, and more.
Rapid Rental
With Rapid Rental, you can reserve a storage unit online within minutes! Simply choose your unit, fill out basic paperwork and payment information, and you're all set. You'll then get an access code that allows you to move into your self storage unit on your own time.
Climate Controlled
If you plan to store delicate belongings, we highly recommend renting a self storage unit with climate control. This amenity typically keeps your unit between 55 and 80 degrees year-round, which can help protect your items from extreme temperature changes.
Vehicle Storage
If you need vehicle storage in Mountainside, Extra Space Storage facilities offer indoor drive-up storage units that can accommodate small vehicles like cars, motorcycles, jet skis, and SUVs.
Business Storage
Are you a business owner in Mountainside? Rent a commercial storage unit with Extra Space Storage! We have storage units of all sizes that are perfect for your business documents, office supplies, retail inventory, and more.
Exceptional Security
We strive to keep your valuable belongings safe and secure at Extra Space Storage! Our Mountainside storage facilities have several security features like perimeter fencing, surveillance cameras, and gated access.
Extended Access Hours
With extended access hours from 6am to 10pm, it's easy to visit your Mountainside storage unit! Some of our properties even provide you with 24-hour access.
Customer Reviews Near Mountainside, New Jersey
Renters rated Extra Space Storage’s service and storage units in Mountainside 4.9 out of 5, based on 90,078 Google reviews.
- Xenia
Mountainside, NJ
Google Review
We have had the pleasure of using Extra Space Facility for many years. They have always be amazing and understanding when we needed the locks to be cut because we had lost the key. Brena (the store manager) wa... - Michele
Mountainside, NJ
Google Review
I've been a customer since 2021, and I've found the staff at this facility to be extremely helpful and accomodating. The buildings are clean, well maintained and well lit. I recommend Extra Space Storage. - Andreia
Mountainside, NJ
Google Review
I am extremely happy with Brena and Malcoln help on everything i needed at Extra Space!!! Thank you so much for everything!!!!! You guys are the best.
Unit Size Comparisons
See exactly how unit sizes compare on price, space, and value — side by side.
5' x 5' | 5' x 10' |
|---|---|
Avg. Monthly Price$48.00 | Avg. Monthly Price$91.00+$43/mo |
Square Footage25 sq ft | Square Footage50 sq ft+100% more |
Cost per Sq Ft$1.92 | Cost per Sq Ft$1.82-$0.10/sq ft |
Value Insight: While a 5x10 unit costs 90% more per month, you get 100% more space than a 5x5—making it 5% more cost-efficient per square foot for Mountainside renters. | |
5' x 10' | 10' x 10' |
|---|---|
Avg. Monthly Price$91.00 | Avg. Monthly Price$163.00+$72/mo |
Square Footage50 sq ft | Square Footage100 sq ft+100% more |
Cost per Sq Ft$1.82 | Cost per Sq Ft$1.63-$0.19/sq ft |
Value Insight: If you're clearing out a living room or 1-bedroom apartment in Mountainside, a 10x10 storage may be the right choice. It costs 79% more than a 5x10, and you’ll get 10% more value per square foot when upgrading to a 10x10. | |
10' x 15' | 10' x 20' |
|---|---|
Avg. Monthly Price$241.00 | Avg. Monthly Price$307.00+$66/mo |
Square Footage150 sq ft | Square Footage200 sq ft+33% more |
Cost per Sq Ft$1.61 | Cost per Sq Ft$1.54-$0.07/sq ft |
Value Insight: Renting a 10x20 storage unit in Mountainside gets you 33% more space than a 10x15—enough for a 3–4 bedroom home. At 27% more per month, you’re getting 4% more value per square foot. | |
Storage available near Mountainside, NJ
Storage Unit Information
Small Storage Units
153 self storage facilities near Mountainside, NJ have small 5' x 5' units available now, starting at $6 and averaging $48 per month.
161 storage facilities near Mountainside, NJ have small sized 5' x 10' storage units available now, starting at $6 and averaging $91 per month.
77 self storage facilities near Mountainside, NJ have small 5' x 15' units available, starting as low as $31 and averaging $118 per month.
Medium Storage Units
156 self storage facilities near Mountainside, NJ have medium sized 10' x 10' units available starting at $63, with an average price of $163 per month.
136 storage facilities near Mountainside, NJ have medium 10' x 15' units available now, starting at $78 and averaging $241 per month.
Large Storage Units
114 self storage facilities near Mountainside, NJ have large 10' x 20' storage units available, starting at $78 and averaging $307 per month.
45 self storage facilities near Mountainside, NJ have larger 10' x 25' units available now, starting at $159 and averaging $398 per month.
48 storage facilities near Mountainside, NJ have larger sized 10' x 30' units available, starting as low as $176 and averaging $433 per month.
Climate-Controlled & RV/Boat Storage Units
148 self storage facilities near Mountainside, NJ have Climate-Controlled storage units available starting at $6, with an average price of $170 per month.
27 self storage facilities near Mountainside, NJ have RV/Boat Storage units available, starting at $48 and averaging $191 per month.
NEED HELP FINDING THE RIGHT SIZE?
We offer a Right-Size Guarantee: you can change your selected size at the facility to best meet your storage needs.
SIZE GUIDE
