Storage Units in Boulder, CO: Find Cheap Self Storage Near You

Searching for secure self storage in Boulder? Extra Space Storage has convenient storage facilities within 1 mile of Gunbarrel, Arapahoe Ridge, Wonder...
Searching for secure self storage in Boulder? Extra Space Storage has convenient storage facilities within 1 mile of Gunbarrel, Arapahoe Ridge, Wonderland Lake, and more. With convenient amenities like vehicle storage and business storage, we're the self storage partner you can rely on!
One-Time Admin Charge
$19.99
You will be charged a one-time lock charge. Your lock fee may be refundable if you bring your own lock and it is approved for compatibility by your Store Manager. This fee does not apply to digital-access units.
$29
This one-time admin charge covers lease processing and your account setup.
Extra Space Storage facility at 5815 Arapahoe Ave - Boulder, CO
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Extra Space Storage facility at 4545 Broadway St - Boulder, CO
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Extra Space Storage facility at 6338 Arapahoe Rd - Boulder, CO
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Extra Space Storage facility at 4103 Industrial Ln - Broomfield, CO
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Extra Space Storage facility at 2050 W 6th Ave - Broomfield, CO
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Extra Space Storage facility at 5602 W 120th Ave - Westminster, CO
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Extra Space Storage facility at 4861 W 120th Ave - Broomfield, CO
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Extra Space Storage facility at 12725 Lowell Blvd - Broomfield, CO
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Extra Space Storage facility at 2950 W 96th Ave - Denver, CO
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Extra Space Storage facility at 5100 W 81st Pl - Westminster, CO
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Prices exclude administration and insurance fees.

Prices exclude administration and insurance fees.

Why Extra Space Storage?

At Extra Space Storage, we're committed to providing exceptional self storage with incredible customer service. Our Boulder storage facilities are well-lit, tidy, and backed by advanced security measures. Don't hesitate to reach out to our storage experts if you have questions.

Boulder Self Storage Features & Amenities

Ranging from 25 square feet to 300+ square feet, our storage units come in a variety of sizes to fit your unique needs. Practical features like drive-up access and first-floor access make your storage experience more convenient. If you're not sure which unit size or storage amenity you need, our friendly team will be happy to assist you.

Rapid Rental

Rent a Boulder storage unit quicker with Rapid Rental. Simply make an account, specify your location, choose your unit, fill out the quick paperwork, and that's it! You'll receive an access code to your storage unit shortly after submitting your application. Then, you can move in when it's convenient for you.

Drive-Up Access

Get the most convenient self storage feature with drive-up access in Boulder. This helpful amenity allows you to pull your vehicle right up to your storage unit for easier loading and unloading of heavy, awkward items.

Vehicle Storage

We offer secure vehicle storage in Boulder. Our enclosed drive-up units can handle smaller vehicles like cars and motorcycles, while our spacious outdoor parking spots are perfect for large vehicles like RVs, campers, and boats. Some parking spaces are even covered to help protect your vehicle from the elements.

Business Storage

For commercial storage in Boulder, Extra Space Storage is here for you! With our well-maintained storage facilities, variety of storage unit sizes, extended access hours, and other business-friendly storage features, you can feel confident storing office equipment, electronics, or inventory with us. We love to support our local businesses!

Exceptional Security

Extra Space Storage in Boulder strives to provide a secure storage environment for customers and their valuables. That's why we use security features like video surveillance and electronic gate access.

Extended Access Hours

With extended access hours from 6am to 10pm at storage facilities near you, you can access your storage unit when it's most convenient for you! Some of our storage locations are even open 24 hours per day for additional convenience.

Customer Reviews Near Boulder, Colorado

4.8

Renters rated Extra Space Storage’s service and storage units in Boulder 4.8 out of 5, based on 11,220 Google reviews.

Unit Size Comparisons

See exactly how unit sizes compare on price, space, and value — side by side.

5' x 5'

5' x 10'

Avg. Monthly Price$61.00
Avg. Monthly Price$81.00+$20/mo
Square Footage25 sq ft
Square Footage50 sq ft+100% more
Cost per Sq Ft$2.44
Cost per Sq Ft$1.62-$0.82/sq ft
Value Insight: A 5x10 storage unit in Boulder gives customers 100% more space than a 5x5 and costs 33% more per month—delivering 34% more value per square foot.

5' x 10'

10' x 10'

Avg. Monthly Price$81.00
Avg. Monthly Price$129.00+$48/mo
Square Footage50 sq ft
Square Footage100 sq ft+100% more
Cost per Sq Ft$1.62
Cost per Sq Ft$1.29-$0.33/sq ft
Value Insight: For 59% more per month, a 10x10 storage unit gives Boulder customers 100% more space than a 5x10—providing 20% more value per square foot. The upgrade may be worth it if you’re storing the contents of a large family room or 1-bedroom apartment.

10' x 15'

10' x 20'

Avg. Monthly Price$171.00
Avg. Monthly Price$230.00+$59/mo
Square Footage150 sq ft
Square Footage200 sq ft+33% more
Cost per Sq Ft$1.14
Cost per Sq Ft$1.15+$0.01/sq ft
Value Insight: If you're moving out of a 3–4 bedroom home in Boulder, a 10x20 may be the right fit—providing 33% more space than a 10x15 at 35% more per month. You'll get a cost per square foot that is 1% less when upgrading to a 10x20.

Storage Unit Information

Small Storage Units

  • 23 self storage facilities near Boulder, CO have small 5' x 5' units available now, starting at $19 and averaging $61 per month.

  • 28 storage facilities near Boulder, CO have small sized 5' x 10' storage units available now, starting at $40 and averaging $81 per month.

  • 9 self storage facilities near Boulder, CO have small 5' x 15' units available, starting as low as $56 and averaging $97 per month.

Medium Storage Units

  • 37 self storage facilities near Boulder, CO have medium sized 10' x 10' units available starting at $60, with an average price of $129 per month.

  • 33 storage facilities near Boulder, CO have medium 10' x 15' units available now, starting at $85 and averaging $171 per month.

Large Storage Units

  • 32 self storage facilities near Boulder, CO have large 10' x 20' storage units available, starting at $69 and averaging $230 per month.

  • 11 self storage facilities near Boulder, CO have larger 10' x 25' units available now, starting at $74 and averaging $218 per month.

  • 14 storage facilities near Boulder, CO have larger sized 10' x 30' units available, starting as low as $196 and averaging $317 per month.

Climate Controlled & RV/Boat Storage Units

  • 24 self storage facilities near Boulder, CO have Climate Controlled storage units available starting at $19, with an average price of $163 per month.

  • 10 self storage facilities near Boulder, CO have RV Storage units available, starting at $69 and averaging $141 per month.

NEED HELP FINDING THE RIGHT SIZE?

We offer a Right-Size Guarantee: you can change your selected size at the facility to best meet your storage needs.

SIZE GUIDE

Frequently Asked Questions in Boulder, CO

How much do storage units in Boulder, CO cost?

You can expect one of our most popular sizes, like a 5x5 storage unit, to start as low as $19 and average $61 per month in Boulder, CO. Depending on the exact amenities and facility you choose, the exact cost may vary.

Do I need climate-controlled storage in Boulder, CO?

Storage units with climate-control in Boulder are designed to maintain a temperature of 55-80 degrees year-round. We recommend renting a climate-controlled unit to protect any temperature sensitive items from extreme heat or cold.

*savings reflected in rates.