The Patio & Hardscape Specialists

Whether it is extending your living space with the addition of a patio in the backyard or solving the difficult slope along the driveway, our design and installation professionals are able to suit all of your needs. Our experts can set your yard apart and make it the envy of the neighborhood with the use of both natural and manufactured materials.

Denison is one of the Washington, DC / Baltimore, Maryland Metro area’s largest landscape contractors. A family owned corporation since 1973- Denison Landscaping is celebrating it’s 40th year in business.