Extra Space Storage - 7888 - Mountlake Terrace - 70th Ave

22205 70th Avenue West, Mountlake Terrace, WA 98043

Storage Units

*Prices are subject to change based on availability

5' x 5' Unit

  • Heated Only
  • 1st Floor
  • Interior

Web Only Special

$36.00 per month

$38

5' x 5' Unit

  • Heated Only
  • Upstairs via Elevator
  • Interior

Web Only Special

$36.00 per month

$38

10' x 5' Unit

  • Heated Only
  • 1st Floor
  • Interior

Web Only Special

$60.00 per month

$64

10' x 5' Unit

  • Heated Only
  • Upstairs via Elevator
  • Interior

Web Only Special

$60.00 per month

$64

7' x 10' Unit

  • Heated Only
  • Upstairs via Elevator
  • Interior

Web Only Special

$78.00 per month

$82

8' x 10' Unit

  • Heated Only
  • Upstairs via Elevator
  • Interior

Web Only Special

$88.00 per month

$92

10' x 8' Unit

  • Heated Only
  • Upstairs via Elevator
  • Interior

Web Only Special

$88.00 per month

$92

10' x 10' Unit

  • Heated Only
  • Upstairs via Elevator
  • Interior

Web Only Special

$104.00 per month

$109

10' x 13' Unit

  • Heated Only
  • Upstairs via Elevator
  • Interior

Web Only Special

$127.00 per month

$133

10' x 15' Unit

  • Heated Only
  • Upstairs via Elevator
  • Interior

Web Only Special

$144.00 per month

$151

25' x 10' Unit

  • Heated Only
  • 1st Floor
  • Interior

Web Only Special

$338.00 per month

$356

Reviews

Reviews originally collected from the SpareFoot Marketplace.

4.5 out of 5 stars

4 Total Reviews

Clean Convenient Friendly

by Michell

January 15, 2023

5 out of 5 stars

Clean Convenient Friendly Price is right

Quick Access

by Immersive Nomad

March 28, 2025

4.5 out of 5 stars

When I arrived I inputted the access code and stored away my belongings in my unit with such ease and confidence. I highly recommend this service to anyone looking for a place to keep their property in a secure unit for the duration of their purchasing.

Very good value

by Ian

September 2, 2025

4 out of 5 stars

I appreciate the pricing of this facility and like the incentives they give to new customers. My only contention is that the app won’t open the gate or the door, so I’ve opted to just punching in my code.

Great So Far

by JMM

May 24, 2023

4 out of 5 stars

I really don’t like being asked to leave a review of any place right off the bat—I literally JUST moved my stuff into the unit yesterday. I’d like some time to see how things go first. Which is the only reason why I gave 4 stars instead of 5. That being said… so far the experience has been very good.👍 The whole place is very clean, very secure with redundant security measures (which I appreciate!) and the price for my size unit is very good. It’s in a decent neighborhood, no sketchy surroundings. They have carts available to use for no extra charge.👍 I was a little worried about the unit being on an upper floor, even with elevator access as I’ve got back issues and more. But with the carts and elevator I had zero problems. When I checked in with the manager (I believe her name is Rose) she was very friendly and very helpful. I liked the whole process of being able to find what I needed and do everything online without any hassle or gimmicks or tricks, including up front pricing AND being able to just go ahead and pay for the unit if you want to… or just reserve it so you can go take a look in person before pulling the trigger. The ONLY thing I’d recommend so far is that they give you a MAP of the building your unit is in. It’s like a maze inside with so many units per building and no signs indicating unit numbering. Other than that, my overall first impression is very good and worth leaving a preliminary review. If that should change… so will my review.

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