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Extra Space Storage - 999 West Mt. Vernon Avenue, Milwaukee, WI 53233

Self Storage, Car Storage, RV Storage 20 - 750 Sq. Ft.
4.8/5 - 736 Reviews
Location:
999 West Mt. Vernon Avenue, Milwaukee, WI 53233
24/7 ACCESS
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
15x5
Self Storage
75 Sq. Ft.
Elevator Access
$108/mo
Small Storage Unit
10x9
Self Storage
90 Sq. Ft.
Climate-Controlled
Elevator
$156/mo
Small Storage Unit
10x9
Self Storage
90 Sq. Ft.
Elevator Access
$116/mo
Small Storage Unit
10x8
Self Storage
80 Sq. Ft.
Elevator Access
$116/mo
Small Storage Unit
10x7
Self Storage
70 Sq. Ft.
Elevator Access
$102/mo
Small Storage Unit
10x6
Self Storage
60 Sq. Ft.
Climate-Controlled
Elevator
$125/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
Climate-Controlled
Elevator
$112/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
Elevator Access
$67/mo
Small Storage Unit
10x4
Self Storage
40 Sq. Ft.
Elevator Access
$56/mo
Small Storage Unit
9x8
Self Storage
72 Sq. Ft.
Climate-Controlled
Elevator
$135/mo
Small Storage Unit
9x5
Self Storage
45 Sq. Ft.
Elevator Access
$59/mo
Small Storage Unit
8x10
Self Storage
80 Sq. Ft.
Elevator Access
$116/mo
Small Storage Unit
8x9
Self Storage
72 Sq. Ft.
Elevator Access
$104/mo
Small Storage Unit
8x8
Self Storage
64 Sq. Ft.
Elevator Access
$84/mo
Small Storage Unit
7x5
Self Storage
35 Sq. Ft.
Elevator Access
$50/mo
Small Storage Unit
6x15
Self Storage
90 Sq. Ft.
Climate-Controlled
Elevator
$156/mo
Small Storage Unit
6x13
Self Storage
78 Sq. Ft.
$239/mo
Small Storage Unit
6x10
Self Storage
60 Sq. Ft.
Climate-Controlled
Elevator
$125/mo
Small Storage Unit
6x10
Self Storage
60 Sq. Ft.
Elevator Access
$80/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
Climate-Controlled
Elevator
$137/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
Elevator Access
$108/mo
Small Storage Unit
5x14
Self Storage
70 Sq. Ft.
Elevator Access
$102/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Climate-Controlled
Elevator
$112/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Elevator Access
$67/mo
Small Storage Unit
5x9
Self Storage
45 Sq. Ft.
Climate-Controlled
Elevator
$106/mo
Small Storage Unit
5x9
Self Storage
45 Sq. Ft.
Elevator Access
$59/mo
Small Storage Unit
5x8
Self Storage
40 Sq. Ft.
Elevator Access
$56/mo
Small Storage Unit
5x7
Self Storage
35 Sq. Ft.
Elevator Access
$50/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Climate-Controlled
Elevator
$67/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Elevator Access
$36/mo
Small Storage Unit
4x5
Self Storage
20 Sq. Ft.
Elevator Access
$28/mo
Medium Storage Unit
15x10
Self Storage
150 Sq. Ft.
Elevator Access
$187/mo
Medium Storage Unit
12x10
Self Storage
120 Sq. Ft.
Elevator Access
$155/mo
Medium Storage Unit
11x15
Self Storage
165 Sq. Ft.
Elevator Access
$205/mo
Medium Storage Unit
11x10
Self Storage
110 Sq. Ft.
Elevator Access
$142/mo
Medium Storage Unit
10x19
Self Storage
190 Sq. Ft.
$511/mo
Medium Storage Unit
10x17
Self Storage
170 Sq. Ft.
$457/mo
Medium Storage Unit
10x17
Self Storage
170 Sq. Ft.
Climate-Controlled
Elevator
$217/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Climate-Controlled
Elevator
$200/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Elevator Access
$187/mo
Medium Storage Unit
10x14
Self Storage
140 Sq. Ft.
Elevator Access
$181/mo
Medium Storage Unit
10x12
Self Storage
120 Sq. Ft.
Elevator Access
$155/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
$277/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Climate-Controlled
Elevator
$175/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Elevator Access
$129/mo
Medium Storage Unit
8x15
Self Storage
120 Sq. Ft.
Elevator Access
$155/mo
Medium Storage Unit
5x20
Self Storage
100 Sq. Ft.
Elevator Access
$129/mo
Large Storage Unit
32x19
Self Storage
608 Sq. Ft.
Elevator Access
$436/mo
Large Storage Unit
22x29
Self Storage
638 Sq. Ft.
$1,349/mo
Large Storage Unit
22x22
Self Storage
484 Sq. Ft.
Elevator Access
$369/mo
Large Storage Unit
22x20
Self Storage
440 Sq. Ft.
$1,100/mo
Large Storage Unit
21x21
Self Storage
441 Sq. Ft.
Elevator Access
$351/mo
Large Storage Unit
21x13
Self Storage
273 Sq. Ft.
Elevator Access
$266/mo
Large Storage Unit
20x24
Self Storage
480 Sq. Ft.
$1,127/mo
Large Storage Unit
20x22
Self Storage
440 Sq. Ft.
Elevator Access
$349/mo
Large Storage Unit
20x20
Self Storage
400 Sq. Ft.
$1,043/mo
Large Storage Unit
19x22
Self Storage
418 Sq. Ft.
Elevator Access
$339/mo
Large Storage Unit
17x27
Self Storage
459 Sq. Ft.
$1,100/mo
Large Storage Unit
17x21
Self Storage
357 Sq. Ft.
Climate-Controlled
Elevator
$348/mo
Large Storage Unit
17x19
Self Storage
323 Sq. Ft.
Elevator Access
$283/mo
Large Storage Unit
16x22
Self Storage
352 Sq. Ft.
Elevator Access
$293/mo
Large Storage Unit
16x20
Self Storage
320 Sq. Ft.
Elevator Access
$281/mo
Large Storage Unit
16x19
Self Storage
304 Sq. Ft.
Elevator Access
$274/mo
Large Storage Unit
16x18
Self Storage
288 Sq. Ft.
Climate-Controlled
Elevator
$318/mo
Large Storage Unit
16x16
Self Storage
256 Sq. Ft.
Elevator Access
$261/mo
Large Storage Unit
16x13
Self Storage
208 Sq. Ft.
Elevator Access
$218/mo
Large Storage Unit
15x50
Self Storage
750 Sq. Ft.
$714/mo
Large Storage Unit
15x27
Self Storage
405 Sq. Ft.
Elevator Access
$333/mo
Large Storage Unit
15x23
Self Storage
345 Sq. Ft.
Elevator Access
$291/mo
Large Storage Unit
15x20
Self Storage
300 Sq. Ft.
$801/mo
Large Storage Unit
15x20
Self Storage
300 Sq. Ft.
Climate-Controlled
Elevator
$329/mo
Large Storage Unit
15x19
Self Storage
285 Sq. Ft.
Elevator Access
$266/mo
Large Storage Unit
15x16
Self Storage
240 Sq. Ft.
Climate-Controlled
Elevator
$289/mo
Large Storage Unit
15x15
Self Storage
225 Sq. Ft.
Climate-Controlled
Elevator
$271/mo
Large Storage Unit
11x35
Parking
385 Sq. Ft.
Parking
RV Storage
$522/mo
Large Storage Unit
11x27
Self Storage
297 Sq. Ft.
Elevator Access
$271/mo
Large Storage Unit
11x26
Self Storage
286 Sq. Ft.
Elevator Access
$266/mo
Large Storage Unit
10x32
Self Storage
320 Sq. Ft.
$852/mo
Large Storage Unit
10x30
Self Storage
300 Sq. Ft.
$801/mo
Large Storage Unit
10x29
Self Storage
290 Sq. Ft.
$774/mo
Large Storage Unit
10x29
Self Storage
290 Sq. Ft.
Elevator Access
$268/mo
Large Storage Unit
10x27
Self Storage
270 Sq. Ft.
Climate-Controlled
Elevator
$312/mo
Large Storage Unit
10x26
Self Storage
260 Sq. Ft.
Elevator Access
$264/mo
Large Storage Unit
10x25
Self Storage
250 Sq. Ft.
Elevator Access
$258/mo
Large Storage Unit
10x24
Self Storage
240 Sq. Ft.
Climate-Controlled
Elevator
$289/mo
Large Storage Unit
10x23
Self Storage
230 Sq. Ft.
Elevator Access
$239/mo
Large Storage Unit
10x22
Self Storage
220 Sq. Ft.
$589/mo
Large Storage Unit
10x22
Self Storage
220 Sq. Ft.
Elevator Access
$230/mo
Large Storage Unit
10x21
Self Storage
210 Sq. Ft.
Elevator Access
$219/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
$536/mo
Large Storage Unit
10x20
Parking
200 Sq. Ft.
Car Storage
Parking
$341/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Climate-Controlled
Elevator
$245/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Elevator Access
$208/mo

Amenities

  • Climate-Controlled
  • Indoor
  • 24 hour access
  • Drive-Up Access
  • Retail Available
  • Onsite Manager
  • Contactless Renting
  • Security Camera
  • Parking
  • Credit Cards Accepted
  • Elevators
  • Multi-Level Storage
  • Online Payment
  • RV Storage

What customers are saying

4.8/5 - 736 Reviews

Read some helpful reviews of Extra Space Storage at 999 West Mt. Vernon Avenue, shared by real renters with genuine experiences and honest opinions.

I have a has a unit here for over a decade. There has been improvements done to the facility recently which is great. We needed Steven was very helpful and has a thorough knowledge of the building which made the experience quick and easy. We had a hard time deciding what size unit and Steven made the process pleasurable and provided a lot of help and guidance. Thank you Steven for all your help and for making this the best storage facility in Milwaukee! Thank you!!! ... Read more
John U. - 27 September 2025
Sierra A. - 30 August 2025
kberg2020 - 30 August 2025
Jenny Y. - 1 August 2025
words CANNOT describe the fantastic experience i've had with steven. he made me feel welcome in my time of distress with the move and made sure i had the PERFECT unit to best fit my needs.10/10 would recommend STEVEN ... Read more
Punk N. - 30 July 2025
Hannah M. - 3 June 2025
This is a great facility, it's my first time using a storage locker and they have made everything simple. They are responsive, the facility is clean and easy to use. I'm extremely happy that I chose here to store my stuff. I read the reviews below and was able to lock in my price by paying for a year in advance. ... Read more
Jane O. - 31 March 2025
PLEASE SAVE YOURSELF. In addition to WILD price hikes, this operation locked us out of our unit for 11 days with no subsidy or reduction of our wildly inflated price. We had a mover scheduled for the day the facility was supposed to open (3/24) and the doors did not function. Nobody answered the phone. We had no choice but to send the mover home. Upon discussing with "management", ZERO accountability was taken or any consideration given to the massive inconvenience and cost this incrued for us. What an absolute joke. There are much better options available. ... Read more
Ryan C. - 24 March 2025
Steven was very helpful and got me into a unit within under 40 minutes ! I came in wanting to check out the different units but he informed me about the first month free and different benefits I will be keeping my valuables here ! Love this place highly recommend. ... Read more
Jahsmine R. - 5 March 2025
First time renting for a college student. The process was a bit on and off with clear details on all the question to make sure you ask or need to know. ( Admin Fee, Lock Fee) However, Steven was great he was easily able to clarify my questions and finalize our contract. ... Read more
Susan M. - 24 February 2025
This is long but PLEASE READ!! 3.5-4ish stars Initially found a deal online for a 10x20 for $89 (with the lowest insurance i was offered-$26), this place is a bit further away from me but decided to sign a contract with them for the price. 3 months go by and then I get a rate increase letter by mail, making my rate jump all the way up to$152!!! That is a $63 price jump people!! I wasn't very pleased to say the least...I spoke with Steven over the phone a few times and we figured out there was a bit of miscommunication along the way, as I was originally told to pay in full to lock in the price (as I definitely DID ask about rate increases before I decided to go with them- to me it seemed like they were downplayed and seemed to be uncommon, still i asked how to avoid that) then when calling back ready to make the purchase another person told me that it wasn't necessary to lock in the price, I also was never informed that the nice promotional price you will see online EXPIRES (thats information you have to ask specifically about). I was starting to feel as though I fell for a scam, but Steven was able to help me get back to the original agreement price, I got locked in for a year starting today and I was able to pay in full without any worry about the unit for the next year. Giving 4 stars for the price of the unit (BEFORE the rate increase), well kept facility-climate control and decently cleaned, and for Steven's customer service! (If not for Steven's intervention this type of company would receive 1 star for how they seem to conduct business) This place loses a star (or 2) though due to, lack of parking (i had to park in front of a unit before since the limited spots were taken), 1 elevator only, I haven't seen a bathroom? (there probably is one but not in plain sight), one time out of a hand full there were no carts in sight, and MAINLY, because the rate increases seem to be a common trend...my advice would be to be what I did (even if someone tells you that you don't have to!) PAY IN FULL! It will only keep your price adjusted for the contract length, but its a good deal if your able to do so and only need the place for about a year. If not I would honestly recommend finding another storage unit that is a bit more transparent with pricing and doesn't have promotional pricing that expires. ... Read more
Jenna - 13 February 2025

Overview

Located at 999 West Mt. Vernon Avenue in Milwaukee, WI, this Extra Space Storage facility offers a range of unit sizes, including small, medium, and large options, to accommodate various storage needs. With climate-controlled units, this facility is ideal for protecting your belongings from Milwaukee’s freezing winters and humid summers, ensuring sensitive items like electronics and furniture stay in top condition. The facility features elevators and multi-level storage, making it easy to access your unit, even if it's located on an upper floor.

This facility is packed with convenient features, such as 24-hour access, drive-up access, and indoor storage, allowing you to load and unload belongings with ease. For vehicle owners, the parking and RV storage options provide secure spaces for cars, trucks, or recreational vehicles. Security is a top priority at this location, with a security camera system and an onsite manager ensuring your items are always monitored.

Renting and managing your storage space is seamless with features like contactless renting, online payment, and acceptance of credit cards. Plus, moving supplies are available for purchase onsite, providing added convenience for those in the middle of a transition. This Extra Space Storage facility is an excellent choice for Milwaukee residents who value secure, flexible, and accessible storage solutions.

Storage units in nearby cities

Want to see how Milwaukee, WI, compares to other places? There are plenty of great options nearby. Wauwatosa, WI, 4 miles away, has 1 self storage facility with rents starting from $45/month. Or you could drive to Glendale, WI, just 5 miles distant to find other options, where the cheapest units in 1 facility there can be rented for $95/month. In Greenfield, WI, just 8 miles away, there are 2 facilities available, offering rents as low as $28/month. Further out, Brookfield, WI (9 miles away), and Cudahy, WI (10 miles away), have 3 and 5 facilities, with minimum rents of $20.

Storage units in Wauwatosa, WI Within a 4-mile radius
1 Facility
From $45/mo
Storage units in Glendale, WI Within a 5-mile radius
1 Facility
From $95/mo
Storage units in Greenfield, WI Within a 8-mile radius
2 Facilities
From $28/mo
Storage units in Brookfield, WI Within a 9-mile radius
3 Facilities
From $20/mo
Storage units in Cudahy, WI Within a 10-mile radius
5 Facilities
From $20/mo
Storage units in Menomonee Falls, WI Within a 10-mile radius
8 Facilities
From $10/mo
Storage units in New Berlin, WI Within a 11-mile radius
4 Facilities
From $39/mo
Storage units in South Milwaukee, WI Within a 12-mile radius
3 Facilities
From $70/mo
Storage units in Mequon, WI Within a 12-mile radius
6 Facilities
From $45/mo
Storage units in Franklin, WI Within a 13-mile radius
6 Facilities
From $10/mo
Storage units in Oak Creek, WI Within a 14-mile radius
4 Facilities
From $60/mo
Storage units in Pewaukee, WI Within a 14-mile radius
2 Facilities
From $8/mo
Storage units in Germantown, WI Within a 15-mile radius
5 Facilities
From $40/mo
Storage units in Muskego, WI Within a 15-mile radius
4 Facilities
From $64/mo
Storage units in Cedarburg, WI Within a 18-mile radius
4 Facilities
From $45/mo
Storage units in Grafton, WI Within a 19-mile radius
6 Facilities
From $25/mo
Storage units in Hartland, WI Within a 19-mile radius
4 Facilities
From $36/mo
Storage units in Caledonia, WI Within a 19-mile radius
4 Facilities
From $45/mo
Storage units in Jackson, WI Within a 21-mile radius
2 Facilities
From $35/mo
Storage units in Mukwonago, WI Within a 24-mile radius
2 Facilities
From $45/mo

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 Madison, WI and Green Bay, WI, starting from $26 and $65, respectively. Even more storage is available and with low starting rents, in Kenosha, WI ($20), Waukesha, WI ($25) and Racine, WI ($19).

Storage units in Madison, WI
25 Facilities
From $26/mo
Storage units in Green Bay, WI
6 Facilities
From $65/mo
Storage units in Kenosha, WI
10 Facilities
From $20/mo
Storage units in Waukesha, WI
6 Facilities
From $25/mo
Storage units in Racine, WI
7 Facilities
From $19/mo
Storage units in Appleton, WI
23 Facilities
From $45/mo
Storage units in Eau Claire, WI
19 Facilities
From $33/mo
Storage units in Oshkosh, WI
16 Facilities
From $28/mo
Storage units in West Allis, WI
3 Facilities
From $10/mo
Storage units in La Crosse, WI
4 Facilities
From $100/mo
Browse storage units in all Wisconsin cities.

Frequently Asked Questions

There is a wide array of amenities available for the storage units that Extra Space Storage - 999 West Mt. Vernon Avenue has to offer. These amenities include Climate-Controlled, Indoor, 24 hour access, Drive-Up Access, Retail Available, Onsite Manager, Contactless Renting, Security Camera, Parking, Credit Cards Accepted, 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 - 999 West Mt. Vernon Avenue can satisfy all of your storage needs. Different sizes here range from 20 to 750 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 - 999 West Mt. Vernon Avenue come at a variety of prices, starting from $28 per month for typically smaller units. However, larger spaces can set you back up to $1,349 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!