DMHNHOA utilizes coupon books for the payment of the monthly association assessments which you will receive by mail. Books should arrive approximately 10 days prior to the first month your assessment is due. If you have not received your coupon book and wish to make a payment please call 800-428-5588 for assistance. You may also choose to use other payment options offered by FirstService Residential via their website. They are: automatic payment, where you sign up once for monthly payments; or you can pay on-line using a credit card. Please call 800-428-5588 for assistance.