Exterior Maintenance Specialists

CornerStone is a multifaceted company that is locally owned and operated by Will Johnson based out of Valhalla NY. We offer landscape design and build services, stone wall design/build, paver/patio installations, property/lawn maintenance services, seasonal decor installation/planting and snow removal for residential and commercial clientele. We give personalized attention to ensure our customers are receiving the best possible service.



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Site Work & Exteriors.

CornerStone is a locally owned and operated business in Westchester County NY. We are a full service contracting team ready to work.

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Home Improvements & Interiors.

CornerStone is a locally owned and operated business in Westchester County NY. We are a full service contracting team ready to make your home/office beautiful.

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Landscaping.

CornerStone offers a wide variety of services from lawn care and tree trimming to snow removal. We do it all!

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Snow Removal, Property Management, Deliveries + so much more.

CornerStone even has maintenance service calls available!

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Firewood

Looking for firewood in NY? Great prices and affordable delivery!

Roll Off Containers

Our dumpster rental service come at competitive prices and are fit for any project.

 
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OFF THE GRID