Assessment Payments are due on June 1, and if paying quarterly, Sept. 1, December 1, and March 1. The $20 monthly Special Clubhouse Assessments are due by the 1st day of every month. The Association offers a grace period of 15 days. Payments must be received (not postmarked) at the payment processing center by the 15th. On the 16th of the month a late fee will apply, as the payment is now late.