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

Self Storage, Car Storage, RV Storage 20 - 494 Sq. Ft.
4.7/5 - 120 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
$120/mo
Small Storage Unit
10x8
Self Storage
80 Sq. Ft.
Climate-Controlled
Elevator
$126/mo
Small Storage Unit
10x7
Self Storage
70 Sq. Ft.
Climate-Controlled
Elevator
$114/mo
Small Storage Unit
10x6
Self Storage
60 Sq. Ft.
Climate-Controlled
Elevator
$101/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
$119/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
Climate-Controlled
Elevator
$88/mo
Small Storage Unit
10x4
Self Storage
40 Sq. Ft.
Climate-Controlled
$115/mo
Small Storage Unit
10x4
Self Storage
40 Sq. Ft.
Climate-Controlled
Elevator
$74/mo
Small Storage Unit
10x3
Self Storage
30 Sq. Ft.
Climate-Controlled
Elevator
$58/mo
Small Storage Unit
9x9
Self Storage
81 Sq. Ft.
Climate-Controlled
Elevator
$126/mo
Small Storage Unit
8x10
Self Storage
80 Sq. Ft.
Climate-Controlled
Elevator
$126/mo
Small Storage Unit
7x11
Self Storage
77 Sq. Ft.
Climate-Controlled
Elevator
$120/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
Climate-Controlled
Elevator
$120/mo
Small Storage Unit
5x14
Self Storage
70 Sq. Ft.
Climate-Controlled
Elevator
$114/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Climate-Controlled
$132/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Climate-Controlled
Elevator
$88/mo
Small Storage Unit
5x9
Self Storage
45 Sq. Ft.
Climate-Controlled
Elevator
$88/mo
Small Storage Unit
5x8
Self Storage
40 Sq. Ft.
Climate-Controlled
Elevator
$74/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
$50/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Climate-Controlled
$44 - $82/mo
Small Storage Unit
5x4
Self Storage
20 Sq. Ft.
Climate-Controlled
$71/mo
Small Storage Unit
5x4
Self Storage
20 Sq. Ft.
Climate-Controlled
Elevator
$48/mo
Small Storage Unit
4x10
Self Storage
40 Sq. Ft.
Climate-Controlled
Elevator
$74/mo
Small Storage Unit
4x5
Self Storage
20 Sq. Ft.
Climate-Controlled
Elevator
$48/mo
Medium Storage Unit
20x8
Self Storage
160 Sq. Ft.
Climate-Controlled
Elevator
$198/mo
Medium Storage Unit
20x5
Self Storage
100 Sq. Ft.
$205/mo
Medium Storage Unit
19x8
Self Storage
152 Sq. Ft.
Climate-Controlled
Elevator
$189/mo
Medium Storage Unit
18x9
Self Storage
162 Sq. Ft.
Climate-Controlled
Elevator
$199/mo
Medium Storage Unit
18x8
Self Storage
144 Sq. Ft.
Climate-Controlled
Elevator
$180/mo
Medium Storage Unit
17x10
Self Storage
170 Sq. Ft.
Climate-Controlled
Elevator
$205/mo
Medium Storage Unit
15x10
Self Storage
150 Sq. Ft.
Climate-Controlled
Elevator
$189/mo
Medium Storage Unit
10x19
Self Storage
190 Sq. Ft.
Climate-Controlled
$335/mo
Medium Storage Unit
10x19
Self Storage
190 Sq. Ft.
Climate-Controlled
Elevator
$248/mo
Medium Storage Unit
10x18
Self Storage
180 Sq. Ft.
Climate-Controlled
$335/mo
Medium Storage Unit
10x18
Self Storage
180 Sq. Ft.
Climate-Controlled
Elevator
$215/mo
Medium Storage Unit
10x17
Self Storage
170 Sq. Ft.
Climate-Controlled
Elevator
$205/mo
Medium Storage Unit
10x16
Self Storage
160 Sq. Ft.
Climate-Controlled
$326/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
$310/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Climate-Controlled
Elevator
$189/mo
Medium Storage Unit
10x14
Self Storage
140 Sq. Ft.
Climate-Controlled
$294/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
$252/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
$235/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
$174/mo
Large Storage Unit
29x10
Self Storage
290 Sq. Ft.
Climate-Controlled
$424/mo
Large Storage Unit
26x10
Self Storage
260 Sq. Ft.
Climate-Controlled
Elevator
$317/mo
Large Storage Unit
26x9
Self Storage
234 Sq. Ft.
Climate-Controlled
Elevator
$292/mo
Large Storage Unit
25x10
Self Storage
250 Sq. Ft.
Climate-Controlled
Elevator
$305/mo
Large Storage Unit
20x10
Self Storage
200 Sq. Ft.
Climate-Controlled
Elevator
$257/mo
Large Storage Unit
19x26
Self Storage
494 Sq. Ft.
Climate-Controlled
$641/mo
Large Storage Unit
18x22
Self Storage
396 Sq. Ft.
Climate-Controlled
$540/mo
Large Storage Unit
10x25
Parking
250 Sq. Ft.
Drive-up Access
Parking
RV Storage
$423/mo
Large Storage Unit
10x25
Self Storage
250 Sq. Ft.
Climate-Controlled
$378/mo
Large Storage Unit
10x22
Self Storage
220 Sq. Ft.
Climate-Controlled
$343/mo
Large Storage Unit
10x20
Parking
200 Sq. Ft.
Car Storage
Drive-up Access
Parking
$355/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Climate-Controlled
$335/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Climate-Controlled
Elevator
$257/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 - 120 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

Nearby Storage Units

$46 - $500

A - 1 Self Storage - 556 West Main Street, El Cajon, CA

SELF STORAGE, RV STORAGE
0.58 miles away
$58 - $298

Benedict Avenue Storage - 847 Benedict Avenue, El Cajon, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
0.62 miles away
$85 - $600

El Cajon Mini Storage - 512 Raleigh Avenue, El Cajon, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
0.81 miles away
$66 - $408

Public Storage - 1047 North Johnson Avenue, El Cajon, CA

SELF STORAGE, CAR STORAGE
1.48 miles away
$98 - $552

Public Storage - 1510 North Magnolia Avenue, El Cajon, CA

SELF STORAGE, CAR STORAGE, RV STORAGE, BOAT STORAGE
2.16 miles away

Storage units in nearby cities

Here is how El Cajon, CA, compares to other nearby cities. Overall, there are many other great self storage opportunities in the area. Lakeside, CA, is just 7 miles away and has 6 storage facilities. Monthly rents there start at $15. However, you could also drive to La Mesa, CA, which is 8 miles away and which also offers storage units for as little as $44. Spring Valley, CA is also just 8 miles distant. Listings there show no less than 6 facilities, with unit prices starting from $51. Looking a bit further away, storage facilities in Ramona, CA, and Escondido, CA, have multiple types of units available, with monthly costs starting at $45 and $42, respectively.

Storage units in Lakeside, CA Within a 7-mile radius
6 Facilities
From $15/mo
Storage units in La Mesa, CA Within a 8-mile radius
3 Facilities
From $44/mo
Storage units in Spring Valley, CA Within a 8-mile radius
6 Facilities
From $51/mo
Storage units in Ramona, CA Within a 18-mile radius
3 Facilities
From $45/mo
Storage units in Escondido, CA Within a 25-mile radius
12 Facilities
From $42/mo
Storage units in Encinitas, CA Within a 28-mile radius
5 Facilities
From $48/mo
Storage units in San Marcos, CA Within a 29-mile radius
13 Facilities
From $14/mo
Storage units in Carlsbad, CA Within a 32-mile radius
5 Facilities
From $42/mo
Storage units in Oceanside, CA Within a 41-mile radius
13 Facilities
From $28/mo
Storage units in Fallbrook, CA Within a 45-mile radius
3 Facilities
From $41/mo
Storage units in Temecula, CA Within a 50-mile radius
11 Facilities
From $39/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 $24, respectively.

Storage units in Los Angeles, CA
207 Facilities
From $15/mo
Storage units in San Diego, CA
72 Facilities
From $15/mo
Storage units in San Jose, CA
65 Facilities
From $24/mo
Storage units in San Francisco, CA
23 Facilities
From $29/mo
Storage units in Fresno, CA
41 Facilities
From $30/mo
Storage units in Sacramento, CA
76 Facilities
From $17/mo
Storage units in Oakland, CA
20 Facilities
From $9/mo
Storage units in Bakersfield, CA
51 Facilities
From $25/mo
Storage units in Anaheim, CA
21 Facilities
From $46/mo
Storage units in Stockton, CA
36 Facilities
From $20/mo
Storage units in Riverside, CA
35 Facilities
From $23/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 $55/mo
Storage units in Fremont, CA
14 Facilities
From $22/mo
Storage units in Modesto, CA
27 Facilities
From $35/mo
Storage units in Fontana, CA
18 Facilities
From $30/mo
Storage units in Moreno Valley, CA
13 Facilities
From $37/mo
Storage units in Oxnard, CA
17 Facilities
From $31/mo
Browse storage units in all California cities.

Frequently Asked Questions

Storage units available at Extra Space Storage - 620 South Marshall Avenue include the following amenities: Climate-Controlled, Indoor, Retail Available, Onsite Manager, Contactless Renting, Security Camera, Gate, Parking, Elevators, Multi-Level Storage, Online Payment and RV Storage. 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 20 to 494 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 Extra Space Storage - 620 South Marshall Avenue start from $44 and can go up to $641 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.