(800)-654-8800 CLIENT LOGINS » HOME WHY US? HOME SECURITY COMMERCIAL SECURITY OUR COMPANY CONTACT HOW-TO VIDEOS MAIN OFFICE AND CENTRAL LOCATION Physical Address: 290 West St, West Rockport, ME 04865 Mailing Address: P. O. Box A, West Rockport, ME 04865 Call Us: (800) 654-8800 GREATER BANGOR / HERMON OFFICE 32 Lexington Drive, Suite 1 Hermon, ME 04401 Call Us: (800) 654-8800 GREENVILLE OFFICE 18 Moosehead Lake Road, Unit 5 Greenville, ME 04441 Call Us: (800) 654-8800 PORTLAND / FREEPORT OFFICE 4 Summer Street Freeport, ME 04032 Call Us: (800) 654-8800 PORTSMOUTH, N.H., OFFICE 280 Heritage Ave., Suite C Portsmouth, NH 03801 Call Us: (800) 654-8800 CARIBOU OFFICE 159 Bennett Drive, Suite 3 Caribou, ME 04736 Call Us: (800) 654-8800 WATERVILLE OFFICE 270 KMD, 3 KMD Plaza Waterville, ME 04901 Call Us: (800) 654-8800 VERMONT OFFICE D.B.A. Mountain View Security Systems 81 River Street, Suite 205 Montpelier, VT 05602 Call Us: (800) 654-8800 ABOUT US Providing Security systems and monitoring in Maine, New Hampshire and Vermont for over 45 years. Proud to use Honeywell and resideo’s superior products. Copyright © 2021 Seacoast Security CONTACT US (800) 654-8800 (Toll Free) (207)-236-4876 customerservice@seacoastsecurity.com TELL US WHAT YOU THINK Review Us On Google Connect with Seacoast