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Extra Space Storage - 33620 21st Avenue SW, Federal Way, WA 98023

Self Storage, Car Storage, RV Storage 20 - 300 Sq. Ft.
4.2/5 - 312 Reviews
Location:
33620 21st Avenue SW, Federal Way, WA 98023
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
10x7
Self Storage
70 Sq. Ft.
$122/mo
Small Storage Unit
10x7
Self Storage
70 Sq. Ft.
Elevator Access
$73/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
$97/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
Elevator Access
$57/mo
Small Storage Unit
7x10
Self Storage
70 Sq. Ft.
$122/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
$97/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Elevator Access
$57/mo
Small Storage Unit
5x7
Self Storage
35 Sq. Ft.
Elevator Access
$49/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
$67/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Elevator Access
$37/mo
Small Storage Unit
4x5
Self Storage
20 Sq. Ft.
Elevator Access
$29/mo
Small Storage Unit
4x5
Self Storage
20 Sq. Ft.
$16/mo
Medium Storage Unit
15x10
Self Storage
150 Sq. Ft.
$205/mo
Medium Storage Unit
15x10
Self Storage
150 Sq. Ft.
Elevator Access
$137/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
$205 - $332/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Elevator Access
$137/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
$135 - $234/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Elevator Access
$97/mo
Large Storage Unit
25x10
Self Storage
250 Sq. Ft.
$385/mo
Large Storage Unit
20x10
Self Storage
200 Sq. Ft.
$244/mo
Large Storage Unit
20x10
Self Storage
200 Sq. Ft.
Elevator Access
$206/mo
Large Storage Unit
10x30
Parking
300 Sq. Ft.
Drive-up Access
Parking
RV Storage
$608/mo
Large Storage Unit
10x30
Self Storage
300 Sq. Ft.
$452/mo
Large Storage Unit
10x25
Self Storage
250 Sq. Ft.
$385/mo
Large Storage Unit
10x20
Parking
200 Sq. Ft.
Car Storage
Drive-up Access
Parking
$442/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
$244/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Elevator Access
$206/mo

Amenities

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

What customers are saying

4.2/5 - 312 Reviews

Read some helpful reviews of Extra Space Storage at 33620 21st Avenue SW, shared by real renters with genuine experiences and honest opinions.

I take back all the good things I said. Getting the storage was a great experience. Since getting it, I have been bombarded with spam requests asking for a review, that I already did. And on top of that, when I went to actually use my storage, THEIR lock was still in it so now I have to wait until Monday... when I work, to start moving things in. Thank you so much for providing the most frustrating and inconvenience week of moving that I will ever experience ... Read more
Azucena C. - 23 September 2025
I have been a storage unit user for more than 15 years all over washington from Marysville to spokane to Woodinville. This has been by far the worst experience I have had dealing with a facility. The first day I moved my stuff in I was INSIDE the building when 8 pm came. With no warning I got locked out, unable to get to my rental vehicle, tried to find staff, called the main extra space storage line to get to my rented vehicle and while I was talking to them for help there was an announcement that if I did not leave they would call the police! The manager is condescending as heck when I tried to move out. And will not even recycle the locks they force you to buy, I've literally never in my life seen the types of locks they use except through them. If I am not returning and you can't resell it (even though I couldn't get back into the facility with no pass code but okay) you could at least dispose of it. Waste of money. Waste of time. Not worth the emotional whiplash. Gave a star because the building was clean. Thats all it had going for it. ... Read more
Tara J. - 19 August 2025
Dont buy storage unit from this place. The manager is absolutely horrible waited outside for an hour and was told by many consumers this was normal. After Cleaning out within the 48 hour window wasn't a problem. The problem was i go get my deposit back. He said its been to long (3 weeks) and they werent going to refund me. So they just stoled my money even tho nothing says you have go back within a set time frame on the receipt or on the website. ... Read more
jason s. - 4 August 2025
Shelby is an angel, thank you for your help! These 5 stars are for you, my overall experience with this storage has been less than great but you came through for me and made sure I was taken care of in the end. ... Read more
Lauren S. - 24 July 2025
I came from another storage facility and I am so thankful I did!! Please see NAT…she is so amazing and such ALOHA! Especially coming from Hawaii, it nice to see such a friendly personality and one who makes the transfer so easy! The place is super clean and it is Temperature Control! Love it here…wish I did my move sooner! Thank you so much NAT…you are the BEST?????? ... Read more
Leilani O. - 1 May 2025
???????????DO NOT GO HERE. THEY WILL LIE TO YOU ABOUT THE PRICE. They are basically scammers. Last year in May of 2024 I called around to find the best price in Federal Way for a storage unit. On the phone they told me it would be $87 a month for a 10x15 unit. I asked them if this was a promotional price - considering it was almost summer. They said no, it's not a promotional price. I asked them if my price would be guaranteed to stay the same. They said yes. I decided to move all my stuff in. 2-3 months later I get a notice that my storage unit bill would be going up to $182.50 a month. That is more than double what I was paying before. If you do decide to go with this business anyway, I highly recommend to get EVERYTHING in writing. Do not believe a word they say. Also, the building my stuff was stored in there had constant issues with the electronic door (to get in and out of the building) and we have been stuck inside and had to wait for help from one of the employees to open it. For anyone reading this that is already a customer of Extra Storage Space, remember in the state of Washington storage unit facilities are legally required to provide at least 60 days written notice before increasing rent. Know your rights!!!! EDIT: the business has now responded with more BS and lies. You do not strive to provide clear communication. You strive to make as much money as possible, no matter how ethical or unethical. I never received a physical copy of my rental agreement so I'm not sure how you expect me to review it. ... Read more
Kat - 29 March 2025
Shelby and Nat were very helpful when we needed to move from a smaller unit to a larger one. We are downsizing and Shelby even helped us visualize how our household items would fit in the unit so we could choose the right one. From our experience, the facility is well kept up, clean and secure. ... Read more
Anne S. - 22 March 2025
When I first arrived at the office, I was warmly welcomed, which made me feel great. I was also amazed at how impeccably clean the entire building was. Moreover, everything was explained in a very kind and easy manner, and they even walked me through the process to confirm everything together—how could I not be happy? ... Read more
Kyungmin P. - 19 March 2025
At first it was simple, easy process to sign up. Our rate went up 2x. Way to expensive for what you are getting. Can be crowded and hard to get parking or get a cart. Elevators have been broken down mutiple times. And since "fixed" the elevator takes 5-10 secs to realize it's on the floor you need to be on at open it's doors. Now trying to get out the storage space and get a pro rated monthly charge. The office manager is rude and does not care and does not want to help. We asked for his supervisor and will not give the contact information nor any information. Gives excuses to keep your money.He says the opposite from what the customers service reps said. That we can get a pro rated monthly charge. In my experience here, I would suggest taking your money somewhere else. He seems like he needs a career change and not be in a customer service type role or manager for that fact. ... Read more
Joseph A. - 3 March 2025
I had an excellent experience with Extra Space Storage! The facility is clean, secure, and well-maintained, making it a perfect place to store my belongings. Brian, the manager, was incredibly helpful and friendly. He went above and beyond to ensure I understood the process and made sure I got the best unit for my needs. His customer service was outstanding, and he truly made the whole experience stress-free. I highly recommend Extra Space Storage for anyone in need of reliable storage solutions! ... Read more
Ashley T. - 13 December 2024

Overview

This Extra Space Storage facility, located at 33620 21st Avenue SW in Federal Way, WA, offers a range of unit sizes, including small, medium, and large, to suit a variety of storage needs. With its multi-level storage building and elevators, accessing your belongings is simple and efficient.

The facility provides climate-controlled units, which are ideal for protecting sensitive items from the damp, cool conditions that are common in Federal Way. Customers seeking convenience will appreciate features like drive-up access and indoor units, along with the option for contactless renting. For vehicle storage, this facility also offers parking and RV storage options. Security is a priority, with a gated perimeter, security cameras, and the support of an onsite manager.

This facility also accommodates modern conveniences, such as online payment options and a retail area for moving supplies, making it an excellent choice for Federal Way residents and businesses. Whether you’re decluttering, moving, or need seasonal storage, this Extra Space Storage facility provides the features and flexibility you need.

Nearby Storage Units

Storage units in nearby cities

Want to see how Federal Way, WA, compares to other places? There are plenty of great options nearby. Milton, WA, 5 miles away, has 3 self storage facilities with rents starting from $77/month. Or you could drive to Edgewood, WA, just 6 miles distant to find other options, where the cheapest units in 1 facility there can be rented for $32/month. In Auburn, WA, just 8 miles away, there are 8 facilities available, offering rents as low as $19/month. Further out, Sumner, WA (9 miles away), and SeaTac, WA (10 miles away), have 2 and 3 facilities, with minimum rents of $32 and $29, 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 Seattle, WA and Spokane, WA, starting from $12 and $20, respectively. Even more storage is available and with low starting rents, in Tacoma, WA ($14), Vancouver, WA ($25) and Bellevue, WA ($45).

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Frequently Asked Questions

There is a wide array of amenities available for the storage units that Extra Space Storage - 33620 21st Avenue SW has to offer. These amenities include Climate-Controlled, Indoor, Drive-Up Access, 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 - 33620 21st Avenue SW can satisfy all of your storage needs. Different sizes here range from 20 to 300 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 - 33620 21st Avenue SW come at a variety of prices, starting from $16 per month for typically smaller units. However, larger spaces can set you back up to $608 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!