Extra Space Storage - 7277 - Billerica - Cook St

26 Cook Street , Billerica , MA 01821 (877) 449-1281

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We are experiencing high demand in this area.
Make sure you reserve a unit for free today to hold a storage space.

  • 5' x 5'

    5' x 5' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $42.00

    Regular Price

    $47.00
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  • 5' x 9'

    5' x 9' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $64.00

    Regular Price

    $71.00
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  • 5' x 10'

    5' x 10' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $69.00

    Regular Price

    $77.00
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  • 10' x 5'

    10' x 5' Unit

    Drive Up Access, Heated

    Discount Price

    $92.00

    Regular Price

    $102.00
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  • 10' x 5'

    10' x 5' Unit

    1st Floor, Climate Controlled, Interior

    Discount Price

    $102.00

    Regular Price

    $113.00
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  • 10' x 7'

    10' x 7' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $87.00

    Regular Price

    $97.00
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  • 7' x 10'

    7' x 10' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $87.00

    Regular Price

    $97.00
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  • 10' x 9'

    10' x 9' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $112.00

    Regular Price

    $125.00
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  • 7' x 14'

    7' x 14' Unit

    1st Floor, Climate Controlled, Interior

    Discount Price

    $138.00

    Regular Price

    $154.00
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  • 10' x 10'

    10' x 10' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $120.00

    Regular Price

    $134.00
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  • 10' x 10'

    10' x 10' Unit

    1st Floor, Climate Controlled, Interior

    Discount Price

    $142.00

    Regular Price

    $159.00
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  • 10' x 13'

    10' x 13' Unit

    1st Floor, Climate Controlled, Interior

    Discount Price

    $186.00

    Regular Price

    $208.00
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  • 10' x 15'

    10' x 15' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $175.00

    Regular Price

    $195.00
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  • 10' x 15'

    10' x 15' Unit

    1st Floor, Climate Controlled, Interior

    Discount Price

    $223.00

    Regular Price

    $249.00
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  • 17' x 10'

    17' x 10' Unit

    1st Floor, Climate Controlled, Interior

    Discount Price

    $263.00

    Regular Price

    $293.00
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  • 20' x 9'

    20' x 9' Unit

    1st Floor, Climate Controlled, Interior

    Discount Price

    $283.00

    Regular Price

    $313.00
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  • 10' x 20'

    10' x 20' Unit

    1st Floor, Climate Controlled, Interior

    Discount Price

    $322.00

    Regular Price

    $352.00
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  • 10' x 26'

    10' x 26' Unit

    Drive Up Access, Heated

    Discount Price

    $412.00

    Regular Price

    $442.00
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  • 20' x 15'

    20' x 15' Unit

    1st Floor, Climate Controlled, Interior

    Discount Price

    $469.00

    Regular Price

    $499.00
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How it works

Reserve 1

Reserve your
storage unit for free

Facility 2

Visit the facility to finalize the rental

Move 3

Move-in!

Operating Hours

Office

Sun closed
Mon 9:30 am - 6:00 pm
Tue 9:30 am - 6:00 pm
Wed 9:30 am - 6:00 pm
Thu 9:30 am - 6:00 pm
Fri 9:30 am - 6:00 pm
Sat 9:00 am - 5:30 pm

Unit Access

Sun 6:00 am - 10:00 pm
Mon 6:00 am - 10:00 pm
Tue 6:00 am - 10:00 pm
Wed 6:00 am - 10:00 pm
Thu 6:00 am - 10:00 pm
Fri 6:00 am - 10:00 pm
Sat 6:00 am - 10:00 pm

Features and Amenities

  • Elevator available
  • Fenced and lighted
  • Video cameras on site
  • Electronic gate access
  • Handcarts available
  • English, Spanish speakers on staff
  • Allow 18-wheeler dropoff

Additional information

Customer Reviews

Leave a review

  • 4.5 of 5 stars

    Mary DeHart

    June 28th, 2025

    Moving storage

    I was welcomed by a representative who walked me to my unit and instructed me on lock, rules etc. She was wonderful and the facility itself is just beautiful. I feel lucky to have found this place! Thank you!

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