Sponsor Payment

Thank you for supporting COSA!

You signed up for the level.

Pay By Credit Card 

BRONZE Sponsor $500

SILVER Sponsor $1,000

GOLD Sponsor $1,500

PLATINUM Sponsor $5,000

Pay By Check

Please make check payable to CNDC fbo COSA for $ and send to:

COSA c/o Lisa Dierauf, City of Boulder Open Space and Mountains Parks
2420 55th Street
Boulder, CO 80301


If you have questions or need assistance, please contact Lisa Dierauf.

Lisa Dierauf
City of Boulder Open Space and Mountain Parks