About Coastal Security & Investigations...CSI is a Dennis based company offering a variety of professional services including home-watch, concierge and contractor referral. Site visits include an exterior perimeter inspection that ensures windows, doors, and outbuildings are properly secured. Check general integrity of the residence and inform owner of any issues or concerns that arise. Also check for any deliveries and properly secure item/s. Interior home inspection includes checking thermostat, run faucets to remove stagnant water, check electrical panel circuit breakers, plant watering, start/run vehicle, and caretaker response for alarm systems if applicable. A summary report is provided after each visit.