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(909) 391-2611

Mountain Avenue Self Storage - 112 South Mountain Avenue, Ontario, CA

Self Storage, Car Storage 25 - 375 Sq. Ft.
★★★★★
★★★★★
4.5/5 - 27 Reviews
(909) 391-2611
Location:
112 South Mountain Avenue, Ontario, CA 91762
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
7x12
Self Storage
84 Sq. Ft.
Elevator Access
Swing
$90/mo
Small Storage Unit
6x10
Self Storage
60 Sq. Ft.
Elevator Access
Swing
$80/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
Elevator Access
Swing
$129/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
First Floor Access
Outdoor Access
Drive-up Access
$115/mo
Small Storage Unit
5x12
Self Storage
60 Sq. Ft.
Elevator Access
Swing
$109/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Roll-Up
Drive-up Access
Outdoor Access
First Floor Access
$90/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Elevator Access
Swing
$65/mo
Small Storage Unit
5x7
Self Storage
35 Sq. Ft.
Elevator Access
Swing
$69/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Elevator Access
Swing
$59/mo
Medium Storage Unit
10x18
Self Storage
180 Sq. Ft.
Outdoor Access
First Floor Access
Drive-up Access
$215/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Drive-up Access
Outdoor Access
First Floor Access
$135/mo
Medium Storage Unit
10x12
Self Storage
120 Sq. Ft.
Elevator Access
Swing
$159/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Alarm
Elevator Access
Swing
$110/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Elevator Access
Swing
$110/mo
Medium Storage Unit
9x20
Parking
180 Sq. Ft.
Car Storage
Parking
Outdoor Access
First Floor Access
$125/mo
Medium Storage Unit
5x26
Self Storage
130 Sq. Ft.
First Floor Access
Drive-up Access
Outdoor Access
$135/mo
Medium Storage Unit
5x25
Self Storage
125 Sq. Ft.
First Floor Access
Drive-up Access
Outdoor Access
$169/mo
Large Storage Unit
15x25
Self Storage
375 Sq. Ft.
Outdoor Access
First Floor Access
Drive-up Access
$300/mo
Large Storage Unit
10x36
Self Storage
360 Sq. Ft.
Outdoor Access
First Floor Access
Drive-up Access
$399/mo
Large Storage Unit
10x28
Self Storage
280 Sq. Ft.
Outdoor Access
Drive-up Access
First Floor Access
$389/mo
Large Storage Unit
10x25
Self Storage
250 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$260/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Outdoor Access
First Floor Access
Drive-up Access
$230/mo

Amenities

  • Indoor
  • Drive-Up Access
  • Retail Available
  • Onsite Manager
  • Security Camera
  • Gate
  • Parking
  • Credit Cards Accepted
  • Elevators
  • First Floor Access
  • Multi-Level Storage
  • Online Payment

What customers are saying

★★★★★
★★★★★
4.5/5 - 27 Reviews

Read some helpful reviews of Mountain Avenue Self Storage at 112 South Mountain Avenue, shared by real renters with genuine experiences and honest opinions.

★★★★★
★★★★★
Been renting storage here since 2013, the girls in the office are great, Christiane, Angel and Monique… thank you all for your years of service, a shout out to Margarita, who passed during COVID, a really good lady who worked there for years, you are missed! ... Read more
Coleen D. - 8 April 2025
★★★★★
★★★★★
I've been with mountain ave storage for a while I started.at the other one but all in all I've been comfortable here all these years the owners are really good people, the place is kept clean and have reasonable prices. ... Read more
Lulu - 1 April 2025
★★★★★
★★★★★
I think we’ve been there for a couple of years now and every once in a while we need a new storage so we have to ask and yeah, this place is awesome It’s safe and it’s clean easy access very reasonable. The managers are awesome. ... Read more
Security S. - 31 March 2025
★★★★★
★★★★★
Jesse M. - 25 March 2025
★★★★★
★★★★★
I came in with my mom looking for a unit Upon arriving angel greeted us when entering the office door, Not only did Angel show us the units but she was informational with property policies and rules. She informed us of a great promotion the company offers and set us up for a reservation with no cost. She was very kind and went above and beyond customer service needs and exemplified the businesses integrity. I will be recommending anyone and everyone We know in need of a great storage facility, pricing and Staff to Mountain Avenue Self Storage off of Holt & Mountain specifically Angel’s office where anyone in need can be helped by her! 100/10 experience ... Read more
Marie M. - 25 March 2025
★★★★★
★★★★★
Mountain Avenue Self Storage is the best! The facility is super clean, secure, and easy to access. The staff , especially Angel is always friendly and helpful!!! Prices are fair, and I feel confident knowing my belongings are safe here. Highly recommend to anyone looking for somewhere reliable ... Read more
Brianna B. - 25 March 2025

Overview

Located at 112 South Mountain Avenue in Ontario, CA, this Mountain Avenue Self Storage facility offers storage options for a variety of needs with small, medium, and large unit sizes. Whether you're decluttering your home, downsizing, or preparing for a move, unit features like roll-up and swing doors provide flexibility to meet your storage preferences.

Convenience is a priority at this facility, with drive-up access, indoor options, and multi-level storage equipped with elevators to simplify load-in and retrieval. Ontario’s growing suburban landscape often calls for accessible storage solutions, and this facility’s onsite manager, security cameras, and gated entry ensure peace of mind for storage users. Parking is also available, suitable for vehicle storage or temporary needs during your move.

With online payment options and retail moving supplies available, this facility is ideal for those who value convenience and security. Perfect for residents or businesses in Ontario looking for versatile storage solutions close to home.

Nearby Storage Units

$54 - $369

Ayres Self Storage - 10625 Central Avenue, Montclair, CA

SELF STORAGE, CAR STORAGE
1.03 miles away
$85 - $355

A Storage Place - 5220 West Mission Blvd, Montclair, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
1.19 miles away
Image for Fleet RV & Boat Storage - 627 South Bon View Avenue, Ontario, CA
No Photo Available
$84 - $364

SecurCare Self Storage - 1661 South Campus Avenue, Ontario, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
2.18 miles away

Storage units in nearby cities

Here is how Ontario, CA, compares to other nearby cities. Overall, there are many other great self storage opportunities in the area. Chino, CA, is just 6 miles away and has 6 storage facilities. Monthly rents there start at $64. However, you could also drive to Upland, CA, which is 7 miles away and which also offers storage units for as little as $50. Rancho Cucamonga, CA is also just 9 miles distant. Listings there show no less than 17 facilities, with unit prices starting from $14. Looking a bit further away, storage facilities in Pomona, CA, and Chino Hills, CA, have multiple types of units available, with monthly costs starting at $3 and $83, respectively.

Storage units in Chino, CA Within a 6-mile radius
6 Facilities
From $64/mo
Storage units in Upland, CA Within a 7-mile radius
11 Facilities
From $50/mo
Storage units in Rancho Cucamonga, CA Within a 9-mile radius
17 Facilities
From $14/mo
Storage units in Pomona, CA Within a 9-mile radius
10 Facilities
From $3/mo
Storage units in Chino Hills, CA Within a 10-mile radius
2 Facilities
From $83/mo
Storage units in Rialto, CA Within a 14-mile radius
7 Facilities
From $30/mo
Storage units in Brea, CA Within a 16-mile radius
7 Facilities
From $37/mo
Storage units in Grand Terrace, CA Within a 17-mile radius
1 Facility
From $75/mo
Storage units in West Covina, CA Within a 18-mile radius
3 Facilities
From $78/mo
Storage units in Orange, CA Within a 19-mile radius
13 Facilities
From $43/mo
Storage units in Fullerton, CA Within a 22-mile radius
8 Facilities
From $45/mo
Storage units in Tustin, CA Within a 25-mile radius
6 Facilities
From $33/mo
Storage units in Redlands, CA Within a 26-mile radius
8 Facilities
From $15/mo
Storage units in Lake Forest, CA Within a 27-mile radius
10 Facilities
From $52/mo
Storage units in Hesperia, CA Within a 27-mile radius
10 Facilities
From $11/mo
Storage units in Moreno Valley, CA Within a 28-mile radius
13 Facilities
From $39/mo
Storage units in Cerritos, CA Within a 30-mile radius
3 Facilities
From $49/mo
Storage units in Mission Viejo, CA Within a 30-mile radius
5 Facilities
From $53/mo
Storage units in Lake Elsinore, CA Within a 30-mile radius
8 Facilities
From $50/mo
Storage units in Downey, CA Within a 31-mile radius
5 Facilities
From $44/mo

Check out storage units in trending cities

If you want to see how your city compares to others, you can start by checking out other facilities in trending cities. A wide array of storage units can be leased in Los Angeles, CA, San Diego, CA and San Jose, CA, where sizes and amenities may vary. Monthly rents for units in these cities are as low as $15 and $17, respectively.

Storage units in Los Angeles, CA
206 Facilities
From $15/mo
Storage units in San Diego, CA
71 Facilities
From $15/mo
Storage units in San Jose, CA
65 Facilities
From $17/mo
Storage units in Sacramento, CA
75 Facilities
From $19/mo
Storage units in San Francisco, CA
23 Facilities
From $32/mo
Storage units in Fresno, CA
41 Facilities
From $29/mo
Storage units in Bakersfield, CA
51 Facilities
From $16/mo
Storage units in Long Beach, CA
27 Facilities
From $40/mo
Storage units in Oakland, CA
20 Facilities
From $19/mo
Storage units in Stockton, CA
36 Facilities
From $19/mo
Storage units in Anaheim, CA
21 Facilities
From $40/mo
Storage units in Riverside, CA
35 Facilities
From $31/mo
Storage units in Santa Ana, CA
19 Facilities
From $20/mo
Storage units in Irvine, CA
29 Facilities
From $20/mo
Storage units in Chula Vista, CA
20 Facilities
From $17/mo
Storage units in Modesto, CA
27 Facilities
From $23/mo
Storage units in San Bernardino, CA
16 Facilities
From $35/mo
Storage units in Fontana, CA
18 Facilities
From $41/mo
Storage units in Fremont, CA
14 Facilities
From $25/mo
Storage units in Santa Clarita, CA
24 Facilities
From $31/mo
Browse storage units in all California cities.

Frequently Asked Questions

Storage units available at Mountain Avenue Self Storage - 112 South Mountain Avenue include the following amenities: Indoor, Drive-Up Access, Retail Available, Onsite Manager, Security Camera, Gate, Parking, Credit Cards Accepted, Elevators, First Floor Access, Multi-Level Storage and Online Payment. Depending on what you need to put away in storage, you can discover there are some things you absolutely need, so make sure you check with the facility manager that you'll find everything you need on site.

This particular storage facility provides self storage units of different sizes, ranging from 25 to 375 square feet. Space is not an issue! If you have more belongings to store, or simply bulkier items or even vehicles, you should go for larger storage units.

You already know how much stuff you need to put in self storage, so figuring out the unit size you need is the next step. Smaller units such as 5'x5' or 5'x10' spaces can usually be filled with the amount of items you would normally store in a closet: a few chairs and lamps, sports equipment, garden tools and some boxes.

Moving on to larger sizes, imagine the 10'x10' and 10'x15' units as similar to a bedroom or a living room – larger pieces of furniture, sturdier equipment and bicycles can fit here. Finally, a 10'x20' unit has enough space for the contents of a 3-bedroom house, while the larger 10'x30' space easily accommodates the contents of a loaded semi-truck.

Monthly prices for units offered by Mountain Avenue Self Storage - 112 South Mountain Avenue start from $59 and can go up to $399 for larger spaces.

Accessibility and quickness are key when it comes to storage, so drive-up storage units are generally regarded as very convenient. Pull your car right up to your storage space, load, unload, and you're good to go! However, if you're mostly storing temperature-sensitive items, you should rather consider indoor storage units.

Climate-controlled units maintain consistent temperatures and humidity levels all year round, making them perfect for all your sensitive items. Moisture and varying temperatures can damage a whole host of things, and that is why a lot of people choose to use climate-controlled units to store items like wooden furniture, electronics, artwork, documents and photographs, collectibles, antiques, etc. If the belongings you're storing are important to you, you should consider renting a climate-controlled unit.