Discover the Right Level of Estate Care for Your Property
Select a tier below to explore the scope of service, Sentinel cadence, and estate profile that is best aligned with the needs of your home.
The Harrington
Essential Property Coverage
The Caldwell
Full Service Property Care
The Ashford
Premium Estate Coordination
The Elsinore
Ultra-Luxury Estate Command
The Caldwell
Full Service Property Care
The Caldwell builds on the Harrington foundation with broader interior coordination, specialty systems oversight, and deeper seasonal planning. It is designed for the actively occupied residence that requires more comprehensive attention throughout the year.
Best Fit
Best for homeowners who want a more involved service model, including additional interior support, smart home oversight, deeper maintenance planning, and closer management of vendors and specialty services.
Service Cadence
A more robust annual calendar with deeper HVAC service, generator testing, indoor air quality review, roof inspections, spa and appliance coordination, seasonal landscape planning, and a year-end client review.
Coordination Services Included
Everything in The Harrington, plus:
Irrigation system management & seasonal servicing
Interior finishes, painting & touch-up maintenance
Appliance servicing, tracking & coordination
Flooring care across all surface types
Chimney & fireplace inspection and servicing
Exterior wood, paint & structural surface preservation
Hardscape, driveways & exterior surfaces
Attic, crawl space & environmental condition monitoring
Water systems, filtration & generator maintenance
The Heritage
Margaret Caldwell
The One Who Leaves Nothing to Chance - A fictional character of the Contemporary Estate
Margaret Caldwell is the formidable matriarch of an established Birmingham family. She is a woman managing a household of extraordinary complexity with a quiet authority and zero tolerance for the preventable. She knows every vendor by name, every seasonal obligation by date, and every property vulnerability by memory. She did not react to problems, she anticipated them. She also expected everyone working for her to do the same.
Margaret would have been the first client in Oakland County to demand a 12-month maintenance calendar. She would have reviewed it herself (in red ink) and returned it with three additions she expected completed before the end of the month. Her relationship with The Sentinels was not transactional. It was a partnership of mutual standards.
The Caldwell does not wait for the boiler to fail in February, as it was serviced in October… because she expects nothing less.

