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Providing you with a feeling security

Marshall Alarm Systems, Inc does it all; from custom designed fire, security and video systems to installation, monitoring and inspections. Marshall Alarm Systems, Inc represents all major manufacturers allowing the versatility to service both new and existing systems.

Located in Yorktown Heights, NY, we are one of the foremost electronic security integrated solutions providers in since 1976. See all locations we cover in the Tri-State area.
 
   
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We use Angie's List to assess whether we're doing a good job keeping valued customers like you happy. Please visit AngiesList.com/Review/225498 in order to grade our quality of work and customer service.
 
 


Marshall Alarm Systems, Inc.   •   2014 Crompond Road, Suite 1   •   Yorktown Heights, NY 10598
office: (914) 962-4699  •  fax: (914) 962-7227  •   alarminfo@marshallalarm.com

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Locations: Westchester County, Putnam County, Dutchess County, Rockland County, Orange County, Bronx County, Amawalk, Ardsley, Armonk, Baldwin Place, Banksville, Beacon, Bedford, Bedford Hills, Bedford Village, Brewster, Briarcliff Manor, Bronxville, Buchanan, Carmel, Chappaqua, Cold Spring, Cortlandt Manor, Cross River, Croton Falls, Croton-on-Hudson, Crotonville, Crugers, Dobbs Ferry, East Fishkill, Eastchester, Eastview, Edgemont, Elmsford, Fairview, Fishkill, Garrison, Goldens Bridge, Granite Springs, Greenburgh, Greenville, Harrison, Hartsdale, Hastings-on-Hudson, Hawthorne, Heritage Hills, Hopewell Junction, Irvington, Jefferson Valley, Katonah, Kent, Kitchawan, LaGrange, Lake Mohegan, Lewisboro, Lincolndale, Mamaroneck, Millbrook, Millwood, Montrose, Mount Kisco, Mount Pleasant, Mount Vernon, Nelsonville, New Castle, New Rochelle, North Castle, North Salem, North Tarrytown, Nyack, Ossining, Patterson, Pawling, Peach Lake, Peekskill, Pelham, Pelham Manor, Philipstown, Pleasantville, Pocantico Hills, Port Chester, Poughkeepsie, Pound Ridge, Purchase, Purdys, Putnam Valley, Rye, Rye Brook, Rye Neck, Salem Center, Scarsdale, Scotts Corner, Shenorock, Shrub Oak, Sleepy Hollow, Somers, South Salem, Southeast, Spring Valley, Tarrytown, Thornwood, Tompkins Corners,Tuckahoe, Valhalla, Verplanck, Vista, Waccabuc, Wappinger Falls, White Plains,Yonkers, Yorktown Heights.