Regional Municipality of York Regional Municipality of York Search | Advanced Search | New Members | Coupons and Discounts | All Categories Government & Education >> Government Regional Municipality of York 17250 Yonge St.Newmarket, ON L3Y 6Z1 | View on Google Maps Diane Chase (905) 830-4444 | (877) 464-9675 | fax: (905) 895-6161 Visit Site Connect With Us Related Organization Regional Municipality of York - Water for Tomorrow Program Regional Municipality of York - York Region Rapid Transit (VivaNext) Member Since: 2005 Send a message to: Regional Municipality of York Your Name: Your Email: Subject: Message: (Date: 4/25/2024) If your business isn't here, contact us today to get listed!