4.9
    Call our Storage Experts
    Storage Experts Available
    Mon-Fri: 06:00am-01:00am
    Sat: 06:00am-01:00am
    Sun: 06:00am-01:00am
  • New Customer: 
  • Current Customer: (301) 888-3489

Today's Hours

VIEW ALL
Rental & Support:6:00 AM - 10:00 PM
Access:6:00 AM - 10:00 PM
Office:9:30 AM - 6:00 PM
VIEW ALL HOURS
24/7 access available when you upgrade
Nearby Locations
4.9

Gaithersburg Self Storage at 26 W Diamond Ave

Call our Storage Experts
Storage Experts Available
Mon-Fri: 06:00am-01:00am
Sat: 06:00am-01:00am
Sun: 06:00am-01:00am

Today's Hours

VIEW ALL
Rental & Support:6:00 AM - 10:00 PM
Access:6:00 AM - 10:00 PM
Office:9:30 AM - 6:00 PM
VIEW ALL HOURS
24/7 access available when you upgrade
Select a Unit Below
Small
5' x 5'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$95
WEB RATE
$53

ACT FAST: 1 LEFT!

Small
5' x 10'
  • Climate Controlled
  • Elevator Access
  • Indoor
IN STORE
$135
WEB RATE
$75

LIMITED UNITS

Small
10' x 5'
  • Climate Controlled
  • Elevator Access
  • Indoor
IN STORE
$135
WEB RATE
$75

PRESIDENTS DAY SALE!

Enjoy storage rates up to 50% off! *savings reflected in rates

Small
5' x 10'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$156
WEB RATE
$87
Small
10' x 5'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$156
WEB RATE
$87

LIMITED UNITS

Medium
10' x 10'
  • Climate Controlled
  • Elevator Access
  • Indoor
IN STORE
$182
WEB RATE
$104

Flash Sale!*

Medium
10' x 10'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$261
WEB RATE
$160

LIMITED UNITS

Medium
15' x 10'
  • Climate Controlled
  • Elevator Access
  • Indoor
IN STORE
$304
WEB RATE
$199

ACT FAST: 1 LEFT!

Medium
10' x 15'
  • Climate Controlled
  • Elevator Access
  • Indoor
IN STORE
$304
WEB RATE
$199

LIMITED UNITS

Medium
10' x 15'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$348
WEB RATE
$238
Medium
8' x 20'
  • Drive-Up Access
IN STORE
$420
WEB RATE
$303

ACT FAST: 1 LEFT!

Medium
10' x 18'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$415
WEB RATE
$298

ACT FAST: 1 LEFT!

Units Available Nearby

3' x 5'

Available now at 18920 Earhart Ct, Gaithersburg, MD 20879 starting at $25/mo

Available Nearby

10' x 20'

Available now at 18830 Woodfield Rd, Gaithersburg, MD 20879 starting at $318/mo

Available Nearby

12' x 25'

Available now at 18920 Earhart Ct, Gaithersburg, MD 20879 starting at $333/mo

Available Nearby

Nearby Locations

Self Storage You Can Trust in Gaithersburg

Our 26 W Diamond Ave storage facility works hard to make sure our customers receive a positive self storage experience! We keep our storage facility tidy and well-managed, with a trustworthy team that's always willing to help with whatever you need. Extra Space Storage also strives to keep you and your belongings safe with security measures like surveillance cameras, perimeter fencing, and gated access!

Find Us Near W Diamond Ave & N Frederick Ave

Extra Space Storage's 26 W Diamond Ave storage facility—situated within 1 mile of Washington Grove and within 5 miles of Germantown—serves residents of the Gaithersburg area and other nearby communities. You’ll recognize our facility near AKTIV Automotive and Body Dynamics.

Storage Amenities Available in Gaithersburg

We have a variety of self storage options in Gaithersburg. Both residential and commercial customers can find the features and amenities they need with Extra Space Storage.

Unit Sizes

Our 26 W Diamond Ave storage facility has the right storage unit to store all your important items. We provide indoor access, ground-level access, upper-level access, and drive-up access for units in sizes between 5x5 and 10x20. No matter what size and features you choose, our storage units are great for both short- and long-term storage needs.

Drive-Up Access

Extra Space Storage in Gaithersburg is equipped with drive-up access units, one of the most practical self storage amenities! You can pull your vehicle or moving truck right up to your unit and unload or load your belongings. Drive-up accessible units make the self storage process quick and hassle-free, especially when storing bulky or heavy items.

Climate Control & Humidity-Controlled Units

Need to store temperature-sensitive items? Climate control can help protect your belongings from extreme temperature changes. These units typically maintain a storage environment between 55 and 80 degrees throughout the year.

24 Hour Storage Access

Extra Space Storage offers cheap storage units with 24 hour access at 80 Gibson Pl. This means you can visit your unit beyond the facility’s office and extended facility access hours. Book your month-to-month rental today to enjoy all the benefits of 24/7 self-storage near you in Freehold, NJ!

Vehicle Storage

If you're looking for vehicle storage in Gaithersburg, we come outfitted with both covered and uncovered outdoor parking spaces. These spaces can accommodate all sizes of vehicles, like motorcycles, campers, cars, boats, RVs, and more! Rent a covered parking spot to provide some extra protection from sun, rain, and hail.

Business Storage

Need commercial storage in Gaithersburg? With high-quality security features, drive-up access, and extended facility access hours, you can have peace of mind when storing your business' essential items such as company cars, electronics, inventory, and much more.

Other Facility Features

  • Extended access hours are standard

  • Sturdy moving carts available for heavy, bulky items

  • Covered parking for customers

  • Elevators for easy access to upper levels

  • Accommodates trucks larger than 20 feet

  • Wide-drive aisles to accommodate large moving trucks

  • Gate access on Sundays

  • Convenient freeway access

  • On-site office

Cheap Storage Units in Gaithersburg

Looking for affordable storage units in Gaithersburg? Extra Space Storage on W Diamond Ave has the cheap self storage you need! You can find prices as low as $53 at this location. We also have great move-in specials like first month free and first month half-off available for select locations online!

Company

Employees: 1-10

Payment Options: MasterCard / VISA / American Express / Discover / Check / Cash / Invoice

Established Date: 1977

Site Number: 3034

Phone Number:(301) 330-2233

Hours

Rental & Support

  • Monday: 6:00 AM - 10:00 PM
  • Tuesday: 6:00 AM - 10:00 PM
  • Wednesday: 6:00 AM - 10:00 PM
  • Thursday: 6:00 AM - 10:00 PM
  • Friday: 6:00 AM - 10:00 PM
  • Saturday: 6:00 AM - 10:00 PM
  • Sunday: 6:00 AM - 10:00 PM

Access

  • Monday:6:00 AM - 10:00 PM
  • Tuesday:6:00 AM - 10:00 PM
  • Wednesday:6:00 AM - 10:00 PM
  • Thursday:6:00 AM - 10:00 PM
  • Friday:6:00 AM - 10:00 PM
  • Saturday:6:00 AM - 10:00 PM
  • Sunday:6:00 AM - 10:00 PM

Office

  • Monday:9:30 AM - 6:00 PM
  • Tuesday:Closed
  • Wednesday:9:30 AM - 6:00 PM
  • Thursday:9:30 AM - 6:00 PM
  • Friday:9:30 AM - 6:00 PM
  • Saturday:9:00 AM - 5:30 PM
  • Sunday:Closed

Directions

Intersections/Landmarks

Barron's Lumber

Directions from the North

Drive south on Frederick Rd toward Watkins Mill Rd. Turn right onto MD-117 W. Our facility will be on your left.

Directions from the South

Drive northwest on Frederick Rd toward I-370. Turn right onto Fulks Corner Ave. Turn left onto Olde Towne Ave. Continue onto W Diamond Ave. Our facility will be on your right.

Directions from the East

Drive west on MD-200 W. Continue onto I-370 W. Take exit 2. Turn right onto S Frederick Ave. Turn right onto Fulks Corner Ave. Turn left onto Olde Towne Ave. Continue onto W Diamond Ave. Our facility will be on your right.

Directions from the West

Drive southeast on MD-117 E toward I-270. Continue onto W Diamond Ave. Our facility will be on your left, just past Water St.

Frequently Asked Questions at 26 W Diamond Ave

Does Extra Space Storage in Gaithersburg, MD offer 24 hour storage?

Yes, select Extra Space Storage facilities provide cheap 24/7 storage with month-by-month rental agreements for customers' convenience. Visit your unit any time before, during, or after office and extended facility access hours with 24 hour self storage at 26 W Diamond Ave today!

How big of a storage unit do I need for a king or queen-size mattress?

Typically, any storage unit that is 5x10 or larger will fit king and queen-size mattresses. Check out our 5x10 storage unit size guide for more information!

Can Extra Space Storage accept packages for me at this facility?

Select Extra Space Storage facilities can accept deliveries and packages to your storage space if you grant us access privileges and a second key. Ask your facility manager for more details on how to set deliveries up.

Are there military discounts for Extra Space Storage customers?

Military discounts may be available at select locations throughout the year. Ask your facility manager to see what discounts are available for active duty and veterans.

How many moving boxes should I buy for my two-bedroom home?

You can typically fit a two-bedroom home into 10 small boxes, 6 medium boxes, and 3 large boxes. Use our moving boxes and packing supplies guide to plan your move.

What is the relationship between Life Storage and Extra Space Storage?

Extra Space Storage bought Life Storage in 2023 making Life Storage part of the Extra Space Storage family. Combined, Extra Space Storage and Life Storage make up nearly 4,000 self storage locations across the United States.

*Promotional Terms & Conditions and Size Disclaimer

Reviews

January 31, 2026

Alysia

Posted On Google

overall rating

I love this storage place! The units are very clean and spacious! Pablo,was very welcoming, patient, and kind! ??????

Response from Extra Space Storage (1/31/2026)

We greatly appreciate your positive feedback! Thank you for sharing your experience with us.

January 21, 2026

Leonor

Posted On Google

overall rating

The person at the front desk, attended to me with respect and a timely manner. She providing the appropriate solution to my request.

Response from Extra Space Storage (1/21/2026)

We are ecstatic to hear about your positive experience with our front desk team's respectful and timely service.

January 16, 2026

Luis

Posted On Google

overall rating

Every ting was very good, clean all the time and easy to access

Response from Extra Space Storage (1/16/2026)

We are glad to hear everything was clean and accessible for you, Luis! Your feedback means a lot.

December 26, 2025

Shanta

Posted On Google

overall rating

Clean

Response from Extra Space Storage (12/27/2025)

Thanks for noting our clean facilities! We appreciate you choosing Extra Space Storage.

December 19, 2025

Antony

Posted On Google

overall rating

I have good time tcome with Jennifer ! I recommend this place ! Thanks

Response from Extra Space Storage (12/20/2025)

Thank you for recommending us, Antony! We're delighted Jennifer provided such great service. Your positive experience means everything to us.