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.