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Extra Space Storage - 620 South Marshall Avenue, El Cajon, CA 92020

Self Storage, Car Storage, RV Storage 20 - 494 Sq. Ft.
4.7/5 - 126 Reviews
Location:
620 South Marshall Avenue, El Cajon, CA 92020
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
11x7
Self Storage
77 Sq. Ft.
Climate-Controlled
Elevator
$116/mo
Small Storage Unit
10x8
Self Storage
80 Sq. Ft.
Climate-Controlled
Elevator
$122/mo
Small Storage Unit
10x7
Self Storage
70 Sq. Ft.
Climate-Controlled
Elevator
$113/mo
Small Storage Unit
10x6
Self Storage
60 Sq. Ft.
Climate-Controlled
Elevator
$99/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
$122/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
Climate-Controlled
Elevator
$87/mo
Small Storage Unit
10x4
Self Storage
40 Sq. Ft.
Climate-Controlled
$88/mo
Small Storage Unit
10x4
Self Storage
40 Sq. Ft.
Climate-Controlled
Elevator
$72/mo
Small Storage Unit
10x3
Self Storage
30 Sq. Ft.
Climate-Controlled
Elevator
$57/mo
Small Storage Unit
9x9
Self Storage
81 Sq. Ft.
Climate-Controlled
Elevator
$122/mo
Small Storage Unit
8x10
Self Storage
80 Sq. Ft.
Climate-Controlled
Elevator
$122/mo
Small Storage Unit
7x11
Self Storage
77 Sq. Ft.
Climate-Controlled
Elevator
$116/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
Climate-Controlled
Elevator
$116/mo
Small Storage Unit
5x14
Self Storage
70 Sq. Ft.
Climate-Controlled
Elevator
$113/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Climate-Controlled
$105/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Climate-Controlled
Elevator
$87/mo
Small Storage Unit
5x9
Self Storage
45 Sq. Ft.
Climate-Controlled
Elevator
$84/mo
Small Storage Unit
5x8
Self Storage
40 Sq. Ft.
Climate-Controlled
Elevator
$72/mo
Small Storage Unit
5x7
Self Storage
35 Sq. Ft.
Climate-Controlled
Elevator
$59/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Climate-Controlled
Elevator
$49/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Climate-Controlled
$39 - $59/mo
Small Storage Unit
5x4
Self Storage
20 Sq. Ft.
Climate-Controlled
$49/mo
Small Storage Unit
5x4
Self Storage
20 Sq. Ft.
Climate-Controlled
Elevator
$45/mo
Small Storage Unit
4x10
Self Storage
40 Sq. Ft.
Climate-Controlled
Elevator
$72/mo
Small Storage Unit
4x5
Self Storage
20 Sq. Ft.
Climate-Controlled
Elevator
$45/mo
Medium Storage Unit
20x8
Self Storage
160 Sq. Ft.
Climate-Controlled
Elevator
$198/mo
Medium Storage Unit
20x5
Self Storage
100 Sq. Ft.
$274/mo
Medium Storage Unit
19x8
Self Storage
152 Sq. Ft.
Climate-Controlled
Elevator
$190/mo
Medium Storage Unit
18x9
Self Storage
162 Sq. Ft.
Climate-Controlled
Elevator
$200/mo
Medium Storage Unit
18x8
Self Storage
144 Sq. Ft.
Climate-Controlled
Elevator
$181/mo
Medium Storage Unit
17x10
Self Storage
170 Sq. Ft.
Climate-Controlled
Elevator
$206/mo
Medium Storage Unit
15x10
Self Storage
150 Sq. Ft.
Climate-Controlled
Elevator
$190/mo
Medium Storage Unit
10x19
Self Storage
190 Sq. Ft.
Climate-Controlled
$344/mo
Medium Storage Unit
10x19
Self Storage
190 Sq. Ft.
Climate-Controlled
Elevator
$318/mo
Medium Storage Unit
10x18
Self Storage
180 Sq. Ft.
Climate-Controlled
$344/mo
Medium Storage Unit
10x18
Self Storage
180 Sq. Ft.
Climate-Controlled
Elevator
$216/mo
Medium Storage Unit
10x17
Self Storage
170 Sq. Ft.
Climate-Controlled
Elevator
$206/mo
Medium Storage Unit
10x16
Self Storage
160 Sq. Ft.
Climate-Controlled
$339/mo
Medium Storage Unit
10x16
Self Storage
160 Sq. Ft.
Climate-Controlled
Elevator
$198/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Climate-Controlled
$322/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Climate-Controlled
Elevator
$190/mo
Medium Storage Unit
10x14
Self Storage
140 Sq. Ft.
Climate-Controlled
$306/mo
Medium Storage Unit
10x14
Self Storage
140 Sq. Ft.
Climate-Controlled
Elevator
$177/mo
Medium Storage Unit
10x12
Self Storage
120 Sq. Ft.
Climate-Controlled
Elevator
$159/mo
Medium Storage Unit
10x11
Self Storage
110 Sq. Ft.
Climate-Controlled
$262/mo
Medium Storage Unit
10x11
Self Storage
110 Sq. Ft.
Climate-Controlled
Elevator
$148/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Climate-Controlled
$244/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Climate-Controlled
Elevator
$136/mo
Medium Storage Unit
9x15
Self Storage
135 Sq. Ft.
Climate-Controlled
Elevator
$175/mo
Large Storage Unit
29x10
Self Storage
290 Sq. Ft.
Climate-Controlled
$429/mo
Large Storage Unit
26x10
Self Storage
260 Sq. Ft.
Climate-Controlled
Elevator
$406/mo
Large Storage Unit
26x9
Self Storage
234 Sq. Ft.
Climate-Controlled
Elevator
$373/mo
Large Storage Unit
25x10
Self Storage
250 Sq. Ft.
Climate-Controlled
Elevator
$384/mo
Large Storage Unit
20x10
Self Storage
200 Sq. Ft.
Climate-Controlled
Elevator
$328/mo
Large Storage Unit
19x26
Self Storage
494 Sq. Ft.
Climate-Controlled
$650/mo
Large Storage Unit
18x22
Self Storage
396 Sq. Ft.
Climate-Controlled
$547/mo
Large Storage Unit
10x25
Parking
250 Sq. Ft.
Drive-up Access
Parking
RV Storage
$427/mo
Large Storage Unit
10x25
Self Storage
250 Sq. Ft.
Climate-Controlled
$384/mo
Large Storage Unit
10x22
Self Storage
220 Sq. Ft.
Climate-Controlled
$347/mo
Large Storage Unit
10x20
Parking
200 Sq. Ft.
Car Storage
Drive-up Access
Parking
$358/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Climate-Controlled
$344/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Climate-Controlled
Elevator
$328/mo

Amenities

  • Climate-Controlled
  • Indoor
  • Retail Available
  • Onsite Manager
  • Contactless Renting
  • Security Camera
  • Gate
  • Parking
  • Elevators
  • Multi-Level Storage
  • Online Payment
  • RV Storage

What customers are saying

4.7/5 - 126 Reviews

Read some helpful reviews of Extra Space Storage at 620 South Marshall Avenue, shared by real renters with genuine experiences and honest opinions.

Danielle R. - 14 February 2026
I love the location of this extra storage. The access is extremely easy to use. We rented a first-floor storage unit with direct vehicle access, which turned out great. The pricing at this location was very competitive compared to other places we looked at, which was a big plus. The only concern I have is that there appear to be individuals living out of their vehicles and parking inside the gated storage facility. I’ve noticed this happening more frequently, and it’s the only issue I have with this location. ... Read more
Jonathan G. - 17 December 2025
Timothy S. - 7 October 2025
The facility is new and mostly clean except that unhoused civilians utilize their bathrooms and parking space for various activities and leave it a complete mess leaving it unusable. Beware - extra space is predatory in their advertising & fine print. Online pricing only for new customers - after ~90 days they'll send you a flier in the mail with a 45% + rate increase for the following months to be at "market value". They won't offer returning customers promotional rates. Simply put, they bait and switch. Customer service has already been contacted prior to this review. ... Read more
Charise S. - 18 August 2025
Great customer service by Jonathan! I highly recommend this storage facility to all of my friends and family. I feel confident with my personal safety while I'm there. Also, I feel safe storing my belongings there with the gated entrances and security/employees always around. ... Read more
Rachel Q. - 16 August 2025
Nice new storage facility that is quickly getting ruined by the unhoused people. Unable to use the restroom just to wash hands is quite frustrating. Why post a sign on the bathroom saying open during business hours and it still be locked??! Other than that, I enjoy having my unit. ... Read more
Happy M. - 6 August 2025
Spoke with Joseph and Jon at this location, and I gotta say, they were both extremely helpful in getting my rental setup! Genuine, kind, and incredibly handsome! They keep the facility so clean and comfortable you'll want a live here! But don't do that... seriously, don't. But this is a reliable and safe place for storage when you got the J and the J working here. You'll wanna rent here, I guarantee it. ... Read more
Jacob L. - 2 August 2025
Jazmine R. - 30 July 2025
Extra Space Storage is a new storage facility in El Cajon, CA. It has easy access off the I-8 eastbound or westbound. The facility is large but the layout is made so that it's easy to get to your space without getting lost. After my second trip I knew exactly how to get to my space. The two employees I spoke to were very nice and knowledgeable, they answered my questions and asked if I needed anything else. The only thing I had an issue with was the parking area. You come in one way and go out another. There are plenty of parking spaces but there were some moving vans that took up two spaces or blocked the path through. I think it's because the facility is newer and everyone just happened to be moving at the same time. Other than that I like the facility and the price. ... Read more
Joe A. - 19 July 2025
I recently got a 5’ by 4’ room for moving out of college and it is the perfect amount of space to stack my boxes. Pricing is reasonable and the unit itself is clean. In terms of the actual building the staff have been helpful, front door is access code locked and all units have key locks. Parking right next to access door making it easy to move stuff in and the upper floors are elevator access. On top of that it still the the new smell which I appreciate because it felt and looked clean. Everytime I have called for help or questions I get prompt and polite responses and when I came in today the staff was kind and informative! ... Read more
Chelsi L. - 2 May 2025
Started my journey online for storage, easy set up. Then had a date to check out unit and its just what we expected. Jacob and his assistant were kind and helpful. Facility is new but it looks great and its at a great location. :) ... Read more
Natasha - 30 April 2025

Overview

Located at 620 South Marshall Avenue in El Cajon, this Extra Space Storage facility offers small, medium, and large unit sizes to accommodate a variety of storage needs. With climate-controlled units, this facility is well-suited for protecting sensitive items from the heat typical of Southern California. The property features indoor access and elevators, making it convenient for storing belongings in the multi-level layout.

This facility also provides parking and RV storage, ideal for residents in the area looking to free up driveway space at home. The property is equipped with security cameras and benefits from an onsite manager, offering peace of mind to those storing valuable items. For added convenience, contactless renting and online payment options make the process of securing and managing your unit simple and hassle-free.

With its combination of modern features and amenities, this Extra Space Storage facility is an excellent choice for El Cajon residents, whether you need to store household items, vehicles, or business inventory.

Nearby Storage Units

Storage units in nearby cities

Want to see how El Cajon, CA, compares to other places? There are plenty of great options nearby. Lakeside, CA, 7 miles away, has 6 self storage facilities with rents starting from $15/month. Or you could drive to La Mesa, CA, just 8 miles distant to find other options, where the cheapest units in the 3 facilities there can be rented for $40/month. In Spring Valley, CA, just 8 miles away, there are 6 facilities available, offering rents as low as $60/month. Further out, Chula Vista, CA (15 miles away), and Ramona, CA (18 miles away), have 20 and 3 facilities, with minimum rents of $55 and $72, respectively.

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Check out storage units in trending cities

Still looking for the ideal storage unit? For more great self storage options you wouldn't have to cross the state border: units can be leased in Los Angeles, CA and San Diego, CA, starting from $15 and $15, respectively. Even more storage is available and with low starting rents, in San Jose, CA ($11), San Francisco, CA ($29) and Fresno, CA ($30).

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Frequently Asked Questions

There is a wide array of amenities available for the storage units that Extra Space Storage - 620 South Marshall Avenue has to offer. These amenities include Climate-Controlled, Indoor, Retail Available, Onsite Manager, Contactless Renting, Security Camera, Gate, Parking, Elevators, Multi-Level Storage, Online Payment and RV Storage. Most of these amenities can prove to be very useful depending on what you need to store. For example, climate-controlled units can come in handy for keeping sensitive items, drive-up access can make your loading and unloading process easier, and extra security measures will ensure your items are kept safe at all times.

The storage units offered by Extra Space Storage - 620 South Marshall Avenue can satisfy all of your storage needs. Different sizes here range from 20 to 494 square feet. You can go for smaller units if you don't have a lot of items to store, while choosing a larger space is recommended in case you need to store a lot of furniture, bigger items or even vehicles.

The unit size that you should choose obviously depends on how much stuff you need to store. On the one hand, you should think of smaller units (5'x5' or 5'x10') as closets – they can be used to store chairs, lamps, moving boxes and sports equipment, along with smaller pieces of furniture, books and documents.

On the other hand, the 10'x10' and 10'x15' spaces are good for storing larger items of furniture, bicycles and a larger number of possessions. If you need even more space, then 10'x20' and 10'x30' units can easily accommodate the contents of an entire 3- or 4-bedroom house.

Storage units offered by Extra Space Storage - 620 South Marshall Avenue come at a variety of prices, starting from $39 per month for typically smaller units. However, larger spaces can set you back up to $650 a month.

We know that when it comes to self storage, there is nothing more important than quickness and accessibility. Drive-up access is an extremely convenient amenity, as you can park your vehicle right next to your unit, making it significantly easier to load and unload the items you will use storage for. However, drive-up storage units tend to be outdoors, so you might consider indoor storage spaces with climate control if you're looking to keep temperature-sensitive items in peak condition.

Yes, you might, depending on what you need to put in storage. Climate-controlled spaces keep temperatures and humidity levels consistent all the time, which means they are perfect for storing sensitive items. Seeing that a whole host of things can be damaged by varying temperatures and excessive moisture, many people choose to rent climate-controlled units for personal items such as documents, photographs, paintings, collectibles, electronics, wooden furniture, antiques and even vehicles. If you're looking to store such items that are valuable to you, consider renting a climate-controlled unit!