Membership Form

Thank you for your interest in becoming a member of 501 Commons. Please fill out the online membership form below. You’ll need the following information:

  • Basics: address, primary contact, billing contact and executive director's name
  • Your Tax ID Number (or EIN)
  • Your annual budget (to determine your dues based on our sliding fee scale - this amount can be found on line 12 of your most recent IRS 990 Form)

When you've completed the form, press “Submit”. You will receive an invoice with payment options. Questions? Don't hesitate to send us an email us at membership@501commons.org or call us at 206-682-6704.

Privacy Statement: 501 Commons respects your right to privacy. We promise that ALL information you share with us on this form is for 501 Commons' use only. We will NEVER sell, rent, loan, trade, or otherwise transfer any information collected on our site.

Organization Basics
Membership Type Please indicate if this is a new member form or a member renewal
Primary Contact Information
Please let us know the name of the person we should contact for projects, membership status, or general questions.
Billing Contact Information
Please let us know the name of the person we should contact for billing or invoice questions.
Agency Information
We would like to know more about your organization
Agency's Annual Budget
Membership Dues
Under $100,000
$50
$100,000 - $499,999
$100
$500,000 - $1,499,999




$200
$1,500,000 - $4,999,999
$400
$5,000,000 or more $500
Payment Options (select one)
After Clicking the 'Submit' button, please DO NOT navigate away from the page until you see the 'Thank You' page. Navigating away before then may cause your submission to fail.