​​​​Membership within the Colorado Self Storage Association is made up of self storage owners, operators, management firms, vendors and other self storage professionals.  (See descriptions below.)

     Benefits of Membership:  

  • Legislative representation for the industry; 
  • free Lien Law booklet outlining procedures and timetables; 
  • access to our "Big Easy" CD which includes sample lease and comprehensive operational forms;
  • reduced and/or no fee educational opportunities;
  • Spring and Fall membership meetings that bring you national speakers, networking opportunities, latest products and trends, and so much more! 

For as little as $.35 to $.69 per day, can you afford not to be a member?

Membership Categories:

Owner/Operator Facility Member (large) - any person, partnership, corporation, limited iability company, real estate investment trust or other entity which is the owner of one or more self storage facilities or facilities under construction whose total rentable space exceeds 50,000 square feet.

Owner/Operator Facility Member (small) - same as large except: Owner of ONE self storage facilty whose total rentable space is less than 50,000 square feet.

Management Firm - Person or entity that manages self storage facilities on behalf of a facility owner for a fee.

Prospective Owner - Individual or entity that does not own an existing self storage facility or facility under construction, but is a prospective developer or purchaser of a self storage facility.  

Vendor - Any person, partnership, corporation, LLC or other entity which is a supplier of goods or services within the industry or is engaged in a business connected with or related to the industry, or is an independent contractor that manages self storage facilities.


Forms included are:
24 Hour Access Request                                   Disclaimer for Partial Payment

Abandonment Agreement                                Intent to Vacate Notice             

Authorization to Accept Deliveries                  Lien Addendum to Rental Agreement 
Authorization to Cut Tenant's Lock                 Motor Vehicle Registration Form

Automatic Payment Authorization                  Returned Check Notice

Change of Address Form                                   Credit Card Payment Authorization

Business Addendum to Rental Agreement     Vehicle and Boat Storage Addendum

Waiver of Service Member Civil Relief Act Rights


JANUARY:  Namaste Solar, Boulder; Smart Space Self Storage-Lakewood; Rifle Self Storage-Rifle

NOVEMBER:  SG West Properties-Denver; Northside Storage-Townsend Ave., Montrose; Northside Storage-Cedar Ave, Montrose; Northside Storage-Spring Creek, Montrose; Northside Storage, Delta; Ethos General Contractors-Centennial


​​THANK YOU To Our Renewing Members!

JANUARY:  Mako Steel-CA; Marcus & Millichap-CO; Empire Storage-Louisville; Colfax West Self Storage-Golden; West Evans Self Storage-Denver; Chambers Mini Storage-Aurora; AAA Storage-Longmont; Great Western Bank-Denver; CubeSmart-Northglenn; Frontier Self Storage-Johnstown; Blue Wing Development-Littleton; AAA Storage Containers-Boulder; Sopris Self Storage-Carbondale; CubeSmart-Denver; Comanche Self Storage-Estes Park; Storage on 18th-Greeley

DECEMBER:  GreenBox Self Storage I, II, III & Centennial; Brookridge Self Storage-Englewood; Hwy. 50 Self Storage-Grand Junction; Storage Perfect-Broomfield; Glacier Park Storage-Frederick; Dillon Road Storage-Louisville; CubeSmart-PA; Colliers International-Centennial; Smart Space Self Storage (2)-Colorado Springs; Aspen Capital Partners-Centennial; Extra Space Storage-Centennial 

For information on joining COSSA, download application:  Self Storage Facility or Vendor


Enter # of copies ordering:


The "Big Easy" provides everything you need for your operation in one easy package.  This file includes the updated Colorado lease agreement (2018) and an additional 15 self storage operations forms.  The forms can be customized with your facility name, specific fees and charges applicable to your company.  Documents and/or file may not be made available to any third party person or company.  You are required to sign and return the Agreement and Release form prior to the file being sent.