City Collector Marilyn W. Sheehan reminds residents that the 2015 first quarter real estate and personal property tax bills are due Friday, Aug. 1.

The bill with two coupons attached was mailed out on June 30.

Payments received after Friday, Aug. 1, are subject to a 14 percent interest penalty back to the due date.

Payments may be made at the Tax Collector’s Office, Monday through Friday from 8:30 a.m. to 4 p.m.; online at; by phone at (888) 565-1167; or mailed to City of Pittsfield, P.O. Box 981063, Boston, MA 02298-1063.