Self-Storage FacilityPublic StorageMoving Supply Store
Extra Space Storage sets the standard for clean, secure, and hassle-free self storage, and our facility at 3879 Adams St is no exception. Our Denver storage facility offers a large selection of unit sizes with convenient options like climate control. Located near E 39th Ave and Steele St, we're trusted by neighbors in Eylria-Swansea, Clayton, Commerce City, Central Park, Park Hill, and other surrounding areas. Whether you're moving, downsizing, or decluttering, we're here to make finding the right storage unit quick and simple. Reserve online, give us a call, or stop by the facility today.
Explore offerings from Extra Space Storage on 3879 Adams St in Denver, with popular services available at this location.
2015 Services
19 items
Services
Self Storage
Extra Space Storage offers a wide range of secure self storage solutions for residential and commercial needs. Our storage units are rented on a month-to-month basis and come in a variety of sizes from 5x5 to 10x30, with additional sizing available and a variety of storage features and amenities.
Online Payments
Extra Space Storage makes it easy to pay your storage rental bill online. Simply log into your account to access statements, make a payment, and more. You can make a one-time payment, or set up recurring payments when you rent self-storage online.
Packing & Moving Supplies
Extra Space Storage sells packing and moving supplies like moving boxes, bubble wrap, packing tape, rope and tie-downs, moving kits, and more. We have all of the high-quality moving supplies you need for a successful move!
Business Storage
Extra Space Storage offers small and large storage units for business use. Commercial storage features can include extended access hours, climate control, warehouse space, and more. Business storage is a great solution for businesses with surplus supplies, equipment, or inventory.
Moving Boxes
Extra Space Storage sells moving boxes in a variety of sizes ranging from 1.6 cubic feet to 6.1 cubic feet. Including specialty moving boxes such as Wardrobe, Television, or File boxes for unique items! Moving boxes at Extra Space Storage are high-quality, sturdy, and affordable.
5x5 Storage Units
Extra Space Storage's 5x5 storage units offer 25 square feet of floor space and an average ceiling height of 8 feet, providing 200 cubic feet of storage. Comparable in size to a small closet—store seasonal items, moving boxes, compact furniture, and other belongings.
5x10 Storage Units
Extra Space Storage's 5x10 storage units offer 50 square feet of floor space and up to 8-foot ceilings, providing 400 cubic feet of storage. Comparable in size to a standard walk-in closet, you can store a queen size mattress set, multiple moving boxes, and other belongings.
5x15 Storage Units
Offering 75 square feet of floor space and an average ceiling height of 8 feet—totaling 600 cubic feet of storage—a 5x15 storage unit is comparable in size to a large walk-in closet. Great for storing king mattresses, washers, dryers, kayaks, canoes, motorcycles, and more.
10x10 Storage Units
10x10 storage units at Extra Space Storage offer 100 square feet of floor space, an average ceiling height of 8 feet, and 800 cubic feet of storage capacity. About the size of a small bedroom, ideal for storing the contents of multiple bedrooms, appliances, ATVs, office furniture, and more.
10x15 Storage Units
Extra Space Storage’s 10x15 storage units offer 150 square feet of floor space, an average ceiling height of 8 feet, and 1,200 cubic feet of total storage space. These units are comparable in size to a large bedroom, making them perfect for storing couches, dressers, appliances, jet skis, riding lawn mowers, and more.
10x20 Storage Units
10x20 storage units at Extra Space Storage provide 200 square feet of floor space, average ceiling height of 8 feet, and 1,600 cubic feet of total storage. About the size of a one-car garage, you can store small vehicles, furniture from multiple bedrooms, moving boxes, and more.
10x25 Storage Units
A 10x25 storage unit has 250 square feet of floor space, an average ceiling height of 8 feet, and 2,000 cubic feet of total storage capacity. Comparable to a large one-car garage—it can accommodate the contents of a 3-5 bedroom home—including furniture, appliances, vehicles, and multiple moving boxes.
10x30 Storage Units
Extra Space Storage's 10x30 storage unit provides 300 square feet of storage space, with an average ceiling height of 8 feet, and 2,400 cubic feet of total storage capacity. About the size of a 1.5-car garage, these units are ideal for storing items from a 4–5 bedroom home like furniture and appliances, as well as vehicles or business inventory.
Moving Carts
Extra Space Storage facilities offer sturdy moving carts, as well as moving dollies that may be used free of charge if you need a push-cart to help easily transport your belongings from your vehicle to your self storage unit.
Climate-Controlled Storage
Climate control at Extra Space Storage can help protect sensitive items like art, wine, electronics, documents, and more from extreme temperatures. Climate-controlled storage units typically stay between 55 and 80 degrees year-round.
Overnight Security Monitoring
Have peace of mind that the belongings in your storage unit are well-protected at Extra Space Storage. Even past normal office and gate hours, our advanced security features continue to monitor our self storage facilities and storage units overnight.
Elevator Access
Extra Space Storage has passenger elevator access that allows customers to easily access storage units on upper levels of our storage facilities. With our convenient elevator access, you won't have to worry about hauling items up and down stairs.
Video Surveillance
Video surveillance allows Extra Space Storage to use cameras to monitor storage facilities and storage units. This storage security feature helps keep customers' items safe and can provide storage facility staff and law enforcement with footage to review should damage or theft occur.
Manager On-Site
Extra Space Storage facilities across the country have on-site managers ready to answer questions and help you find the right storage solution. Our knowledgeable, friendly team is committed to making your storage experience as easy as possible.
Reviews
4.7
513 reviews
5 stars
459
4 stars
16
3 stars7
2 stars5
1 star
26
EW
Evan Weible
3 days ago
5.0
Caralee was great and super helpful! The building and units all look new and are in good condition with plenty of room to move everything in.
CI
Cornelia Isaac
6 days ago
5.0
Caralee was super helpful. The units are clean and well lit. Easily accessible entrance and great rates!
TT
Tee
Oct 6, 2026
5.0
Caralee was amazing! From the check in process to the unit! Highly recommend this storage space
SB
Stephanie Blake
Oct 5, 2026
5.0
Caralee attended me with quick and ease.
Super nice and welcoming and explained everything that was needed.
HD
Hen Davis
Sep 11, 2026
5.0
I just want to take a moment to give a huge shoutout to Caralee Montoya who helped me at this storage facility. She has been absolutely amazing—professional, kind, patient, and genuinely helpful. You don’t always come across people who truly care about their customers, but she definitely does. She made the whole process easy and stress-free, and I really appreciate her kindness and great customer service. She deserves to be recognized for the way she treats people. Thank you for everything! ⭐️⭐️⭐️⭐️⭐️
Frequently Asked Questions About Extra Space Storage
What storage unit size do I need?
The best way to determine which storage option is right for you is with our helpful Storage Unit Size Guide! It will help you estimate how many boxes and non-packed items, such as furniture and appliances, you can fit into each storage unit.
What type of storage unit do I need?
Many factors determine your best storage solution. Do you want the convenience of a ground-floor unit? Do your belongings need climate control? What about vehicle storage? We have online resources to help you explore these options to find your ideal storage unit.
What are your storage unit prices?
Monthly rates can be found online and vary by facility, unit size, features, and local market. Please use our site search tools to find pricing at a facility near you.
What's the difference between office, access, and gate hours?
The office hours are the hours of operation for the property. During these hours the Store Manager will be available to assist you with your storage needs or moving and packing supplies. The gate hours are the hours of the property, and when your unit can be accessed.
Can I buy boxes or other packing products from Extra Space Storage?
Extra Space Storage offers a variety of moving and packing supplies online and at local facilities for purchase.
What areas does Extra Space Storage serve?
Extra Space Storage serves Denver residents near Clayton, North Denver, River North Arts District (RiNO), Elyria-Swansea, Park Hill, Cole, and more.
What is the closest intersection to Extra Space Storage?
Extra Space Storage is located near the intersection of E 39th Ave and Steele St.
Do you offer climate-controlled storage units?
Most Extra Space Storage facilities offer climate-controlled storage units as an option for anyone storing temperature sensitive items, but there are also standard storage units that don’t include climate control.
Do you offer indoor storage?
Yes! Indoor storage units are a popular option at Extra Space Storage. These units are located in a building structure and provide a protected, enclosed space to store your belongings. Many prefer this type of storage due to the extra layer of separation from the outdoor elements.
Are moving carts or dollies provided?
Nearly all Extra Space Storage facilities that offer indoor storage units with access through a hallway have push carts. If you need a push cart to transport your belongings, please let the facility manager know, and they will be happy to assist you.
What are the access hours for Extra Space Storage in Denver?
Extra Space Storage in Denver is accessible daily from 6:00 AM to 10:00 PM.
What types of storage units are available at Extra Space Storage?
Extra Space Storage offers a large selection of self storage units including climate-controlled and indoor storage units, some with electricity and elevator access.
Can I purchase moving and packing supplies at Extra Space Storage?
Yes, Extra Space Storage offers moving and packing supplies, including boxes, available for purchase online and at the facility.
Does Extra Space Storage provide climate-controlled units?
Yes, most Extra Space Storage facilities offer climate-controlled units for temperature-sensitive belongings.
What payment options does Extra Space Storage accept?
They accept various payment methods including American Express, Apple Pay, cash, check, Discover, Mastercard, and Visa.
Where is Extra Space Storage in Denver located?
Extra Space Storage is located at 3879 Adams St, Denver, CO 80205, near the intersection of E 39th Ave and Steele St.
Are there any nearby schools close to Extra Space Storage?
Yes, nearby schools include Bruce Randolph School, University Prep, and Pioneer Charter School, which might be convenient for families visiting the area.
What nearby services can assist with furniture assembly and home improvement?
Close to Extra Space Storage you can find PS Installations, Inc. for furniture assembly and Librestone Marble and Granite for home improvement needs.
Are there local dining options near Extra Space Storage?
Yes, La Cucaracha Taco House offers Mexican food nearby, providing a great option for a meal before or after your visit.
How can I reserve a storage unit at Extra Space Storage?
You can reserve your storage unit online at their website to get up to 40% off and a hassle-free booking experience.
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