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

4.7/5 - 146 Reviews
Location:
620 South Marshall Avenue, El Cajon, CA 92020
Office hours:
  • Mon-Fri: 9:30 a.m. - 6 p.m.
  • Sat: 9 a.m. - 5:30 p.m.

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

  • Climate-Controlled

    Protect belongings from temperature changes and humidity

  • Indoor

    Units are located indoors for added protection and convenience

  • Retail Available

    Moving and packing supplies available for purchase on-site

    Not sure which size you need? Check our size guide to find the perfect fit.
    11x7 Self Storage 77 Sq. Ft.
    Climate-Controlled Elevator
    $145/mo
    10x8 Self Storage 80 Sq. Ft.
    Climate-Controlled Elevator
    $145/mo
    10x7 Self Storage 70 Sq. Ft.
    Climate-Controlled Elevator
    $140/mo
    10x6 Self Storage 60 Sq. Ft.
    Climate-Controlled Elevator
    $123/mo
    10x5 Self Storage 50 Sq. Ft.
    $132/mo
    10x5 Self Storage 50 Sq. Ft.
    Climate-Controlled Elevator
    $108/mo
    10x4 Self Storage 40 Sq. Ft.
    Climate-Controlled
    $97/mo
    10x4 Self Storage 40 Sq. Ft.
    Climate-Controlled Elevator
    $90/mo
    10x3 Self Storage 30 Sq. Ft.
    Climate-Controlled Elevator
    $75/mo
    9x9 Self Storage 81 Sq. Ft.
    Climate-Controlled Elevator
    $145/mo
    8x10 Self Storage 80 Sq. Ft.
    Climate-Controlled Elevator
    $145/mo
    7x11 Self Storage 77 Sq. Ft.
    Climate-Controlled Elevator
    $145/mo
    5x15 Self Storage 75 Sq. Ft.
    Climate-Controlled Elevator
    $145/mo
    5x14 Self Storage 70 Sq. Ft.
    Climate-Controlled Elevator
    $140/mo
    5x10 Self Storage 50 Sq. Ft.
    Climate-Controlled
    $115/mo
    5x10 Self Storage 50 Sq. Ft.
    Climate-Controlled Elevator
    $108/mo
    5x9 Self Storage 45 Sq. Ft.
    Climate-Controlled Elevator
    $105/mo
    5x8 Self Storage 40 Sq. Ft.
    Climate-Controlled Elevator
    $90/mo
    5x7 Self Storage 35 Sq. Ft.
    Climate-Controlled Elevator
    $78/mo
    5x5 Self Storage 25 Sq. Ft.
    Climate-Controlled Elevator
    $65/mo
    5x5 Self Storage 25 Sq. Ft.
    Climate-Controlled
    $46 - $67/mo
    5x4 Self Storage 20 Sq. Ft.
    Climate-Controlled
    $59/mo
    5x4 Self Storage 20 Sq. Ft.
    Climate-Controlled Elevator
    $59/mo
    4x10 Self Storage 40 Sq. Ft.
    Climate-Controlled Elevator
    $90/mo
    4x5 Self Storage 20 Sq. Ft.
    Climate-Controlled Elevator
    $59/mo
    20x8 Self Storage 160 Sq. Ft.
    Climate-Controlled Elevator
    $210/mo
    20x5 Self Storage 100 Sq. Ft.
    $214/mo
    19x8 Self Storage 152 Sq. Ft.
    Climate-Controlled Elevator
    $201/mo
    18x9 Self Storage 162 Sq. Ft.
    Climate-Controlled Elevator
    $213/mo
    18x8 Self Storage 144 Sq. Ft.
    Climate-Controlled Elevator
    $192/mo
    17x10 Self Storage 170 Sq. Ft.
    Climate-Controlled Elevator
    $222/mo
    15x10 Self Storage 150 Sq. Ft.
    Climate-Controlled Elevator
    $200/mo
    10x19 Self Storage 190 Sq. Ft.
    Climate-Controlled
    $332/mo
    10x19 Self Storage 190 Sq. Ft.
    Climate-Controlled Elevator
    $265/mo
    10x18 Self Storage 180 Sq. Ft.
    Climate-Controlled
    $297/mo
    10x18 Self Storage 180 Sq. Ft.
    Climate-Controlled Elevator
    $233/mo
    10x17 Self Storage 170 Sq. Ft.
    Climate-Controlled Elevator
    $222/mo
    10x16 Self Storage 160 Sq. Ft.
    Climate-Controlled
    $271/mo
    10x16 Self Storage 160 Sq. Ft.
    Climate-Controlled Elevator
    $210/mo
    10x15 Self Storage 150 Sq. Ft.
    Climate-Controlled
    $257/mo
    10x15 Self Storage 150 Sq. Ft.
    Climate-Controlled Elevator
    $182/mo
    10x14 Self Storage 140 Sq. Ft.
    Climate-Controlled
    $245/mo
    10x14 Self Storage 140 Sq. Ft.
    Climate-Controlled Elevator
    $189/mo
    10x12 Self Storage 120 Sq. Ft.
    Climate-Controlled Elevator
    $167/mo
    10x11 Self Storage 110 Sq. Ft.
    Climate-Controlled
    $198/mo
    10x11 Self Storage 110 Sq. Ft.
    Climate-Controlled Elevator
    $157/mo
    10x10 Self Storage 100 Sq. Ft.
    Climate-Controlled
    $185/mo
    10x10 Self Storage 100 Sq. Ft.
    Climate-Controlled Elevator
    $145/mo
    9x15 Self Storage 135 Sq. Ft.
    Climate-Controlled Elevator
    $184/mo
    29x10 Self Storage 290 Sq. Ft.
    Climate-Controlled
    $460/mo
    26x10 Self Storage 260 Sq. Ft.
    Climate-Controlled Elevator
    $340/mo
    26x9 Self Storage 234 Sq. Ft.
    Climate-Controlled Elevator
    $312/mo
    25x10 Self Storage 250 Sq. Ft.
    Climate-Controlled Elevator
    $327/mo
    20x10 Self Storage 200 Sq. Ft.
    Climate-Controlled Elevator
    $274/mo
    19x26 Self Storage 494 Sq. Ft.
    Climate-Controlled
    $697/mo
    18x22 Self Storage 396 Sq. Ft.
    Climate-Controlled
    $587/mo
    10x25 Vehicle 250 Sq. Ft.
    Drive-up Access Parking RV Storage
    $575/mo
    10x25 Self Storage 250 Sq. Ft.
    Climate-Controlled
    $410/mo
    10x22 Self Storage 220 Sq. Ft.
    Climate-Controlled
    $372/mo
    10x20 Vehicle 200 Sq. Ft.
    Car Storage Drive-up Access Parking
    $482/mo
    10x20 Self Storage 200 Sq. Ft.
    Climate-Controlled
    $345/mo
    10x20 Self Storage 200 Sq. Ft.
    Climate-Controlled Elevator
    $274/mo
    No units are currently available.

    Amenities & features

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

    Customer reviews

    4.7/5
    Average rating
    146
    Number of reviews

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

    Avoid this location if you care about your money or your safety. They just doubled my monthly base rent overnight from $86 to $172 with absolutely ZERO notice or warning. When I called the local manager to complain about paying a premium price for a facility that is filthy, full of bugs, overflowing with trash, and constantly dealing with drug users and heavy police presence, I was told that the unsafe conditions of the property "were not relevant" to my price increase. It is completely unacceptable to double a loyal tenant's rent while letting the actual facility turn into a hazardous environment. Management refuses to take accountability and blames the customers instead. I will be taking this up with corporate and looking for a competitor that actually maintains their property. ... Read more
    WAVY - 1 June 2026
    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

    About this facility

    This Extra Space Storage facility, located at 620 South Marshall Avenue in El Cajon, CA, provides storage solutions in small, medium, and large unit sizes, making it a reliable option for various needs, from personal storage to business inventory. The facility is designed with convenience in mind, featuring climate-controlled units to protect your belongings from California’s warm temperatures, along with elevators for easy access to units on upper floors.

    For added practicality, this facility offers indoor access, multi-level storage, and the convenience of contactless renting. Residents and businesses in El Cajon will also appreciate amenities like parking for vehicles and RV storage for larger recreational vehicles. The premises are equipped with a security camera system and an onsite manager to enhance safety and provide assistance when needed.

    With gate access, the flexibility of online payment, and retail moving supplies available, this facility is an excellent choice for anyone seeking a secure, hassle-free storage experience in El Cajon. It’s particularly well-suited for those with temperature-sensitive items and residents needing extra space for vehicles or RVs.

    Price comparison

    See how this facility's unit prices compare to others in El Cajon, broken down by size.

    Small $106/mo
    Location minimum Location maximum
    $15/mo $280/mo
    Medium $216/mo
    Location minimum Location maximum
    $39/mo $511/mo
    Large $420/mo
    Location minimum Location maximum
    $273/mo $808/mo

    Location & walkability

    This storage facility is in a highly accessible area with excellent walkability and public transit options.

    66

    out of 100

    Walk Score

    Somewhat Walkable

    Some errands can be accomplished on foot

    65

    out of 100

    Transit Score

    Good Transit

    Many nearby public transportation options

    52

    out of 100

    Bike Score

    Bikeable

    Some bike infrastructure

    Walk Score®: 66, Transit Score®: 65, Bike Score®: 52

    Neighborhood highlights

    Located near shopping, car wash stations, and other local conveniences, this storage facility helps you make the most of every visit.

    • BMW of El Cajon

      Shopping 0.08 miles

    • Villa Serena Motel

      Services 0.16 miles

    • El Cajon

      Transportation 0.18 miles

    • Enterprise

      Services 0.22 miles

    • El Cajon Transit Center

      Transportation 0.24 miles

    • Bonitas Bar and Grill

      Food & Drinks 0.25 miles

    • Dumonts

      Food & Drinks 0.26 miles

    • El Cajon Transit Center Parking

      Services 0.33 miles

    • Sombrero

      Food & Drinks 0.43 miles

    Frequently Asked Questions

    The right storage unit size depends on what you plan to store and how much space you need to move around your items.

    5x5 or 5x10 units are great for smaller loads, such as chairs, lamps, small furniture pieces, boxes, books, and documents.

    10x10 or 10x15 units work well for larger furniture, bicycles, appliances, and the contents of a small apartment.

    10x20 or 10x30 units can typically fit the contents of a three-bedroom home, including large furniture and multiple appliances.

    If you’re unsure which size is best, a unit size calculator can help estimate the right fit based on the items you’re planning to store – helping you avoid paying for more space than you need.

    Climate-controlled storage units maintain consistent temperature and humidity levels, helping protect items from damage caused by heat, cold, or excess moisture.

    You may want climate control if you’re storing items that can be sensitive to temperature changes, such as furniture, clothing, appliances, paperwork, photographs, artwork, electronics, or wood and leather goods. These units are especially useful for long-term storage or in areas with hot summers, cold winters, or high humidity.

    If you’re storing durable items like tools or outdoor gear, a standard unit may be sufficient. When in doubt, climate control offers added protection and peace of mind.

    The facility at 620 South Marshall Avenue is accessible during regular access hours, typically Mon-Fri: 9:30 a.m. - 6 p.m., Sat: 9 a.m. - 5:30 p.m. Office hours and gate access times may differ, so it’s a good idea to check the facility’s posted schedule before your visit.

    To open your storage unit door, start by unlocking it, whether it uses a traditional padlock or a Bluetooth-enabled smart lock. Once unlocked, grab the bottom handle and lift or pull up the roll-up door until it’s fully open.

    If you’re using the unit for the first time, make sure the lock is properly removed before opening the door to avoid damage.

    Security helps protect your belongings while they’re in storage and gives you peace of mind between visits. Many self storage facilities use a combination of features such as video surveillance, gated access, on-site management, and well-lit premises to help deter unauthorized access.

    At Extra Space Storage - 620 South Marshall Avenue, available security amenities may include Security Camera, Gate, Onsite Manager, designed to help keep your items protected.

    Yes, most standard vehicles can be stored in self storage units. A 10x20 unit typically provides enough space for a car, while outdoor or designated parking areas may be available for larger vehicles.

    For safety reasons, most self storage facilities restrict certain items. These commonly include:

    • Hazardous, flammable, or toxic materials
    • Perishable food
    • Live plants or animals
    • Cash, firearms, or irreplaceable valuables

    Always check with the facility at 620 South Marshall Avenue for specific restrictions and recommendations.

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