Guardian Storage - 4635 Broadway, Boulder, CO 80304

4.4/5 - 59 Reviews
Location:
4635 Broadway, Boulder, CO 80304
Office hours:
  • Mon-Sat: 9 a.m. - 5 p.m.

Guardian Storage - 4635 Broadway, Boulder, CO 80304

  • Climate-Controlled

    Protect belongings from temperature changes and humidity

  • Indoor

    Units are located indoors for added protection and convenience

  • Drive-Up Access

    Drive directly up to your unit for easy loading and unloading

Not sure which size you need? Check our size guide to find the perfect fit.
10x7.5 Self Storage 75 Sq. Ft.
$186 - $392/mo
5x10 Self Storage 50 Sq. Ft.
$89 - $187/mo
5x5 Self Storage 25 Sq. Ft.
$43 - $198/mo
No units are currently available.

Amenities & features

  • Climate-Controlled
  • Indoor
  • Drive-Up Access
  • Retail Available
  • Onsite Manager
  • Truck Rentals
  • Contactless Renting
  • Security Camera
  • Gate
  • Parking
  • Credit Cards Accepted
  • Online Payment

Customer reviews

4.4/5
Average rating
59
Number of reviews

Read some helpful reviews of Guardian Storage, 4635 Broadway, Boulder, CO 80304, shared by real renters with genuine experiences and honest opinions.

Quintin K. - 28 March 2025
Had a horrible experience unfortunately, just recently, because when this with ACE, they kept the place clean. At least cleaner. There weren’t any rodents, spiders maybe. Rodents definitely avoidable if they are on it like they say they are. Be sure to insure your stuff and sign up with THEIR insurance because they DO NOT take responsibility for anything. I’m not even sure they will even if you are on theirs. And I quote from their email from MP, “we offer storage specific property coverage to all of our tenants to provide that additional protection in the event that property loss is sustained.” So if you use your own insurance, because they do offer you the option to do so, basically they wash their hands, if something goes wrong. Quote from their email from MP, “Guardian is unable to provide you reimbursement for any losses being that our additional Protection Plan was declined at the time of rental.” So maybe don’t decline it and maybe they will help if you run into an issue. Maybe, I really don’t know and I’ve lost trust so do so at your own risk. Also seems like people may be living out of their storage units, possibly not staying the night but definitely eating there hence the rodent situation. Makes sense during hard pandemic times. But I wasn’t informed this was a possibility it may be happening. It seems incognito to me for them to not send a general letter or reminder that you shouldn’t store food or be living out of a storage unit. They should have been on it like they keep repeating they have, I never received a letter or reminder regarding this. I’ve been there a while and experienced this rodent issue just recently. For the price that they charge, you’d think this wouldn’t be an issue. They pride themselves on such high standards but they are not transparent, they inform you last minute of ‘repairs’ so you may or may not have access to your unit anyway. And they don’t offer dumpster service which is the least they could do. I trusted them with my belongings and they didn’t provide the experience they pride themselves on unfortunately. If their customer service wasn’t so much like ‘who cares’ my review may have been different but that would be me not being transparent. This is my experience and I’m telling it like it is. Still grateful but super disappointed my experience went downhill. Have since given them notice to vacate. Hopefully this helps in helping Guardian Storage be more transparent with everything and having more empathy with tenants from the beginning. After all, paying tenants are their paychecks, right? Be transparent with your tenants. You’ll be more successful… just saying. ... Read more
Allie L. - 31 August 2021
Great customer service. My lock had accidentally been cut off when the door was replaced and the staff in the office replaced the lock without question. I am impressed. The unit was fine, no leaks, rodents, etc. so my personal effects were in good shape after being in storage for over a year. I would use them again. ... Read more
RJ H. - 6 May 2021
Very clean property with amazing customer service. They are always helpful and respectful. Great rates and deals as well! I love that there are 2 entrances so there is never traffic getting in and plenty of paths so you can get any vehicle or truck in! ... Read more
Victoria M. - 20 April 2021
I rented two units for a year and 1/2. They managed to get me two right next to each other. They were friendly and available whenever I needed anything. I had easy access to my stuff and it was not damaged at all in the 2013 flood. The unit was clean. When I moved out of the first unit they credited the partial month payment to my other unit. I didn't have to give a month's notice to move out. They were GREAT. ... Read more
W W. - 15 September 2014
ACE worked out great for me. Very simple, very professional, very friendly. They even credited me my last month when I moved out the day my payment auto-renewed having erroneously believed I still had a few days. Very nice customer service. ... Read more
Alice D. - 5 November 2012

About this facility

Located at 4635 Broadway in Boulder, CO, this Guardian Storage facility offers small units designed to meet a variety of storage needs. Perfectly situated in a city known for its outdoor activities, this facility provides excellent storage options for residents who may need extra space for seasonal gear or smaller household items.

This Guardian Storage facility stands out with its climate-controlled units, which are ideal for protecting sensitive belongings from Boulder’s fluctuating temperatures and dry climate. The facility also features indoor access for added convenience, drive-up access to make loading and unloading effortless, and ample parking options, including secure spaces suitable for vehicles or small RVs. With heightened security measures such as security cameras and an onsite manager, customers can rest assured their stored items are well-protected.

Additional perks include contactless renting for a seamless move-in experience, easy online payment, and a retail store offering moving supplies. Plus, the availability of truck rentals makes this facility a one-stop solution for your storage and moving needs. This Guardian Storage location is an excellent choice for Boulder residents and outdoor enthusiasts looking for secure and practical storage options.

Price comparison

See how this facility's unit prices compare to others in Boulder, broken down by size.

Small $106/mo
Location minimum Location maximum
$43/mo $262/mo

Location & walkability

This storage facility is in a highly accessible area with excellent walkability and public transit options.

45

out of 100

Walk Score

Car-Dependent

Most errands require a car

40

out of 100

Transit Score

Some Transit

A few nearby public transportation options

76

out of 100

Bike Score

Very Bikeable

Bike routes support regular local travel

Walk Score®: 45, Transit Score®: 40, Bike Score®: 76

Neighborhood highlights

Located near shopping, car wash stations, and other local conveniences, this storage facility helps you make the most of every visit.

  • Carol Ann Watcher

    Shopping 0.08 miles

  • The Essense Studio

    Shopping 0.1 miles

  • Rush II

    Food & Drinks 0.11 miles

  • Broadway & Yarmouth Ave

    Transportation 0.12 miles

  • German Auto

    Services 0.12 miles

  • ChargePoint

    Services 0.13 miles

  • Amante

    Food & Drinks 0.14 miles

  • Boulder Cycle Sport

    Shopping 0.14 miles

  • IronWorks Fitness

    Recreation & Entertainment 0.14 miles

Frequently Asked Questions

The right storage unit size depends on what you plan to store and how much space you need to move around your items.

5x5 or 5x10 units are great for smaller loads, such as chairs, lamps, small furniture pieces, boxes, books, and documents.

10x10 or 10x15 units work well for larger furniture, bicycles, appliances, and the contents of a small apartment.

10x20 or 10x30 units can typically fit the contents of a three-bedroom home, including large furniture and multiple appliances.

If you’re unsure which size is best, a unit size calculator can help estimate the right fit based on the items you’re planning to store – helping you avoid paying for more space than you need.

Climate-controlled storage units maintain consistent temperature and humidity levels, helping protect items from damage caused by heat, cold, or excess moisture.

You may want climate control if you’re storing items that can be sensitive to temperature changes, such as furniture, clothing, appliances, paperwork, photographs, artwork, electronics, or wood and leather goods. These units are especially useful for long-term storage or in areas with hot summers, cold winters, or high humidity.

If you’re storing durable items like tools or outdoor gear, a standard unit may be sufficient. When in doubt, climate control offers added protection and peace of mind.

The facility at 4635 Broadway is accessible during regular access hours, typically Mon-Sat: 9 a.m. - 5 p.m. Office hours and gate access times may differ, so it’s a good idea to check the facility’s posted schedule before your visit.

To open your storage unit door, start by unlocking it, whether it uses a traditional padlock or a Bluetooth-enabled smart lock. Once unlocked, grab the bottom handle and lift or pull up the roll-up door until it’s fully open.

If you’re using the unit for the first time, make sure the lock is properly removed before opening the door to avoid damage.

Security helps protect your belongings while they’re in storage and gives you peace of mind between visits. Many self storage facilities use a combination of features such as video surveillance, gated access, on-site management, and well-lit premises to help deter unauthorized access.

At Guardian Storage - 4635 Broadway, available security amenities may include Security Camera, Gate, Onsite Manager, designed to help keep your items protected.

Yes, most standard vehicles can be stored in self storage units. A 10x20 unit typically provides enough space for a car, while outdoor or designated parking areas may be available for larger vehicles.

For safety reasons, most self storage facilities restrict certain items. These commonly include:

  • Hazardous, flammable, or toxic materials
  • Perishable food
  • Live plants or animals
  • Cash, firearms, or irreplaceable valuables

Always check with the facility at 4635 Broadway for specific restrictions and recommendations.

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