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Extra Space Storage - 26 West Diamond Avenue, Gaithersburg, MD

Self Storage, Car Storage, RV Storage 25 - 600 Sq. Ft.
4.9/5 - 354 Reviews
Location:
26 West Diamond Avenue, Gaithersburg, MD 20877
24/7 ACCESS
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
10x8
Self Storage
80 Sq. Ft.
Climate-Controlled
$202/mo
Small Storage Unit
10x7
Self Storage
70 Sq. Ft.
Climate-Controlled
$184/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
Climate-Controlled
$148/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
Climate-Controlled
Elevator
$129/mo
Small Storage Unit
9x10
Self Storage
90 Sq. Ft.
Climate-Controlled
Elevator
$209/mo
Small Storage Unit
8x10
Self Storage
80 Sq. Ft.
Climate-Controlled
Elevator
$177/mo
Small Storage Unit
8x5
Self Storage
40 Sq. Ft.
Climate-Controlled
$126/mo
Small Storage Unit
7x10
Self Storage
70 Sq. Ft.
Climate-Controlled
Elevator
$161/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Climate-Controlled
$148/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Climate-Controlled
Elevator
$129/mo
Small Storage Unit
5x8
Self Storage
40 Sq. Ft.
Climate-Controlled
$126/mo
Small Storage Unit
5x8
Self Storage
40 Sq. Ft.
Climate-Controlled
Elevator
$109/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Climate-Controlled
$90/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Climate-Controlled
Elevator
$79/mo
Small Storage Unit
4x15
Self Storage
60 Sq. Ft.
Climate-Controlled
$166/mo
Medium Storage Unit
15x10
Self Storage
150 Sq. Ft.
Climate-Controlled
Elevator
$301/mo
Medium Storage Unit
10x18
Self Storage
180 Sq. Ft.
Climate-Controlled
$394/mo
Medium Storage Unit
10x18
Parking
180 Sq. Ft.
Car Storage
Parking
$258/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Climate-Controlled
Elevator
$301/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Climate-Controlled
$265/mo
Medium Storage Unit
10x12
Self Storage
120 Sq. Ft.
Climate-Controlled
Elevator
$256/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
$311/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Climate-Controlled
$248/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Climate-Controlled
Elevator
$182/mo
Medium Storage Unit
8x20
Self Storage
160 Sq. Ft.
$462/mo
Medium Storage Unit
8x16
Parking
128 Sq. Ft.
Car Storage
Parking
$203/mo
Medium Storage Unit
5x30
Self Storage
150 Sq. Ft.
Climate-Controlled
$331/mo
Large Storage Unit
20x30
Parking
600 Sq. Ft.
Drive-up Access
Parking
RV Storage
$1,143/mo
Large Storage Unit
20x10
Self Storage
200 Sq. Ft.
Climate-Controlled
Elevator
$481/mo
Large Storage Unit
18x18
Self Storage
324 Sq. Ft.
Climate-Controlled
$712/mo
Large Storage Unit
14x24
Self Storage
336 Sq. Ft.
$771/mo
Large Storage Unit
10x40
Parking
400 Sq. Ft.
Drive-up Access
Parking
RV Storage
$873/mo
Large Storage Unit
10x30
Parking
300 Sq. Ft.
Drive-up Access
Parking
RV Storage
$715/mo
Large Storage Unit
10x30
Self Storage
300 Sq. Ft.
Climate-Controlled
$674/mo
Large Storage Unit
10x25
Self Storage
250 Sq. Ft.
Climate-Controlled
$593/mo
Large Storage Unit
10x20
Parking
200 Sq. Ft.
Car Storage
Drive-up Access
Parking
$536/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
$536/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Climate-Controlled
$507/mo

Amenities

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

What customers are saying

4.9/5 - 354 Reviews

Read some helpful reviews of Extra Space Storage at 26 West Diamond Avenue, shared by real renters with genuine experiences and honest opinions.

OMG, customer service was off the charts! Pablo is the consummate professional! Although he is the Manager for several buildings, he was available for little things, which were not so little for me - like how does this lock work or can’t close and lock up HELP! The storage spaces, halls and elevators are extremely clean. I’m giving Xtra Space 26 W Diamond in Gaithersberg five stars.9 ... Read more
Joy W. - 20 February 2026
Convenient storage unit location near one of my local clients. Pablo provided great assistance on my initial account setup. Pricing was reasonable for the unit I got. Space was relatively in good clean shape. ... Read more
Joe N. - 19 February 2026
The staffs are friendly, and they respond quickly. They provide needed information clearly and accurately, so communication with them is very smooth and efficient. It seems like they do a great job with warehouse patrols and maintenance. On moving day, they provided clear information so everything could proceed smoothly. After that, I was able to continue renting the storage unit at a reasonable price. The location is also convenient. ... Read more
Eunah J. - 11 February 2026
Can’t recommend this place enough!! The staff at this location is fantastic! Pablo has always been so helpful since the day I started storing items here. One day, my dad and I were pushing a heavy dancefloor up a hill to move from one unit to another, and Pablo came to help push! The location is always clean and well maintained and I’ve never had any issues. I’ve been storing here for at least 2 years now and will definitely continue to! ... Read more
monica d. - 18 November 2025
We had a fantastic experience with Pablo, the Manager at the Extra Space Storage on 26 W. Diamond in Gaithersburg, MD. He is truly professional, kind, and provides excellent customer service. Pablo helped us secure two perfect-sized, super clean, well-lit, safe, and easy-to-access storage units. Best of all, he even helped us get better rental rates than any other storage company we researched in the area and continues to do so. We highly recommend Pablo, his team and his facility! ... Read more
Dale S. - 28 October 2025
Jenn and Pablo are so pleasant to speak with on the phone. I'm treated like family. They are always friendly, respectful courteous, and helpful to whatever I need. I am very happy with my storage as well. Very good place ... Read more
JD - 3 October 2025
Ben G. - 28 August 2025
The manager, Pablo, and this storage facility are great. It is always clean and it is well maintained. I had an issue with my payment and spoke with Pablo personally and he extraordinarily patient as it was a complete user error on my part. I recommend this Extra Space Storage location. ... Read more
Cate M. - 21 August 2025
Katina B. - 8 August 2025
beatrice c. - 6 August 2025
Our firm used the W Diamond Gaithersburg Extra Storage site for several years. We were extremely happy with our experience! Every time we visited our storage facility, we were greeted by friendly, professional service. The building itself facility is clean, dry, well-lit, and secure. Accessing my unit was easy thanks to their convenient hours. I especially appreciate the climate-controlled spaces. They kept our items in perfect condition. We had interactions with Pablo (the manager), Chris, and Jennifer in the last few weeks when we were there clearing out our units. All of them are a credit to the organization. All of them were thoughtful, professional, and considerate. They were always keen on keeping the site secure, and clean. This place truly sets the gold standard. Highly recommend to anyone looking for well-priced storage! ... Read more
Amanda M. - 31 July 2025
Pablo and his team at Extra Space Storage (I’ve been with them since they were Life Storage) are absolutely FANTASTIC. Pablo has helped me on more than one occasion with my account, and the sign-up process was made super easy by him and Cedric. It was an emotional time when I started renting a unit, as I was trying to find a place where I could keep my precious and sentimental belongings from my late grandma’s house. From the moment I walked in to their office, they were welcoming and understanding and more than accommodating as we worked out which unit I would take, and the logistics of my move-in that weekend. They also explained everything super well so that I felt comfortable moving forward with the whole process and leaving my things in their care. The building is also very clean—Pablo does a great job managing things overall. Highly recommend!! ... Read more
Anne J. - 9 June 2025
The managers, Chris and Pablo were exceptional. They are straight forward and down to earth and very informative. The only gripe I have is the rent increase. It went up over 50 percent after 3 months. I simply had to go to another location which was more affordable and more space. The company itself doesn't seem bad so I just rented at another location with the same company. ... Read more
Luis L. - 3 June 2025
My experience with life storage was wonderful and pleasant. Their personal are helpful and friendly. I am thankful to Pablo one of their employees that help me with all my questions about my unit. I would definitely recommend Life Storage in Gaithersburg!!!! ... Read more
Noemi L. - 3 April 2025
We were really impressed about how helpful and knowledgeable Chris was at the W Diamond location. He took the time to explain various questions that we had after having a not so great experience at another location. We will definitely be recommending this location to our friends!! Thanks for all your help Chris!!! ... Read more
Sheila M. - 22 March 2025
Agent Chris is such a wonderful employee who is always looking after his customer and maintain them. With the way things are going now I wanted to leave the extra space storage, but with the courage, Mr. Chris have given me I was able to stay so I just want to thank him for his customer service. ... Read more
Henry f. - 22 February 2025
David L. - 18 February 2025
When Covid-19 pandemic hit our world, in 2020, we were pressed to rent a storage unit to accommodate most of our offices’ stuff, equipment, and so forth since we were forced to downgrade in a large scale due to the circumstances. After shopping around I decided to rent a unit at Life-Storage, the location on 26 W Diamond Ave in Gaithersburg, MD. The climate controlled units, the easy access to the unit, the level of safety and security that they provide to the facilities, and the maintenance by keeping the bldgs clean & up to date with the necessary tools handy to assist renters when moving in or out of the units have been some of the reasons why I stayed all these years. The courtesy and great customer service provided by Chris, Pablo, added to my peace of mind knowing that I was in the right place and that our belongings were secured in terms of their financial & sentimental value. Now that I’m vacating the unit, I must give Chris a huge thumbs up ???? for making our next step a lot easier and bearable. I only hold gratitude to him for his kindness and outstanding customer service and I wish him and the staff @ Life-Storage well and blessings in the new year to come. If the need for renting a store unit arises again, I do know now where to go and strongly recommend them to anyone reading these reviews looking for extra storage space! (Ms. Gonzalez) ... Read more
NATALIE D. - 28 December 2024

Storage units in nearby cities

Here is how Gaithersburg, MD, compares to other nearby cities. Overall, there are many other great self storage opportunities in the area. Montgomery Village, MD, is just 1 mile away and has 1 storage facility. Monthly rents there start at $103. However, you could also drive to Kensington, MD, which is 13 miles away and which also offers storage units for as little as $10. White Oak, MD is also just 15 miles distant. Listings there show no less than 3 facilities, with unit prices starting from $42. Looking a bit further away, storage facilities in Burtonsville, MD, and Takoma Park, MD, have multiple types of units available, with monthly costs starting at $53 and $28, respectively.

Storage units in Montgomery Village, MD Within a 1-mile radius
1 Facility
From $103/mo
Storage units in Kensington, MD Within a 13-mile radius
4 Facilities
From $10/mo
Storage units in White Oak, MD Within a 15-mile radius
3 Facilities
From $42/mo
Storage units in Burtonsville, MD Within a 15-mile radius
2 Facilities
From $53/mo
Storage units in Takoma Park, MD Within a 17-mile radius
1 Facility
From $28/mo
Storage units in Sterling, VA Within a 18-mile radius
11 Facilities
From $34/mo
Storage units in Beltsville, MD Within a 18-mile radius
1 Facility
From $32/mo
Storage units in Tysons, VA Within a 18-mile radius
1 Facility
From $48/mo
Storage units in Reston, VA Within a 19-mile radius
3 Facilities
From $39/mo
Storage units in Vienna, VA Within a 19-mile radius
2 Facilities
From $62/mo
Storage units in Herndon, VA Within a 20-mile radius
6 Facilities
From $33/mo
Storage units in Laurel, MD Within a 20-mile radius
13 Facilities
From $12/mo
Storage units in Washington, DC Within a 21-mile radius
12 Facilities
From $10/mo
Storage units in Arlington, VA Within a 22-mile radius
7 Facilities
From $28/mo
Storage units in Fairfax, VA Within a 25-mile radius
10 Facilities
From $10/mo
Storage units in Owings Mills, MD Within a 27-mile radius
8 Facilities
From $11/mo
Storage units in Alexandria, VA Within a 29-mile radius
18 Facilities
From $38/mo
Storage units in Manassas, VA Within a 36-mile radius
14 Facilities
From $10/mo
Storage units in Woodbridge, VA Within a 38-mile radius
18 Facilities
From $25/mo
Storage units in White Marsh, MD Within a 42-mile radius
2 Facilities
From $23/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 Baltimore City, MD, Columbia, MD and Germantown, MD, where sizes and amenities may vary. Monthly rents for units in these cities are as low as $8, $21 and $62, respectively.

Storage units in Columbia, MD
8 Facilities
From $21/mo
Storage units in Germantown, MD
4 Facilities
From $62/mo
Storage units in Frederick, MD
15 Facilities
From $25/mo
Storage units in Waldorf, MD
12 Facilities
From $25/mo
Storage units in Bethesda, MD
4 Facilities
From $84/mo
Storage units in Rockville, MD
13 Facilities
From $40/mo
Storage units in Dundalk, MD
3 Facilities
From $64/mo
Storage units in Towson, MD
3 Facilities
From $17/mo
Storage units in Bowie, MD
4 Facilities
From $23/mo
Storage units in Wheaton, MD
1 Facility
From $94/mo
Storage units in Odenton, MD
4 Facilities
From $23/mo
Storage units in Catonsville, MD
3 Facilities
From $20/mo
Storage units in Annapolis, MD
7 Facilities
From $7/mo
Storage units in Woodlawn, MD
5 Facilities
From $17/mo
Browse storage units in all Maryland cities.

Frequently Asked Questions

Storage units available at Extra Space Storage - 26 West Diamond Avenue include the following amenities: Climate-Controlled, Indoor, 24 hour access, Drive-Up Access, Retail Available, Onsite Manager, Contactless Renting, Security Camera, Gate, Parking, Credit Cards Accepted, 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 25 to 600 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 - 26 West Diamond Avenue start from $79 and can go up to $1,143 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.