2017 EBSCO Research Best Pick
301-392-2239

East Coast Landscape Design

6th year as a Best Pick

  • A-Rated
  • Verified General Liability
  • Verified Workers' Comp

"Since we started the business in 1979, clients have been our number one priority. We bend over backwards to satisfy them. We give firm price guarantees for the quoted work as well as start and finish dates. Calls are returned on the same day, and employees wear uniforms and undergo drug screenings and background checks."

Mark Simpson | President

Areas Served:

Washington, DC

  • Services Offered
    East Coast Landscape Design offers custom residential landscape design services, including planting, patios, walkways, retaining walls, outdoor kitchens, fire pits, drainage, and erosion control.
  • Minimum Job
    The company requires a $4,000 minimum job.
  • Warranty
    East Coast Landscape Design offers a ten-year warranty on hardscape work and various one-year warranties on other work.
  • Distinctions
    Mark Simpson is a Certified Segmental Retaining Wall Installer and a Permeable Interlocking Concrete Paver Specialist (PICPS). The company is a Certified Techo-Pro Contractor and a member of the National Association of Landscape Professionals, the Interlocking Concrete Paving Institute (ICPI), and the National Concrete Masonry Association (NCMA).
  • Company History
    The local company was founded in 1979 by owner and operator Mark Simpson.

Select Quotes from Customer Interviews

A selection of 115 homeowner reviews:


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I liked everything about East Coast Landscape. They did good, quality work, and they were nice people. I'd give them an A for my overall experience.
The owner is very honest and open, and he has a great reputation. They deliver very high-quality work, and they work well as a team. The last project they did was some grass, some beds, and the patio. I would give them an A+. I recommend them highly.
We love the design. I think they have a very good designer. They did landscaping for us. The workers were great, and they did a great job.
They landscaped under my deck, and they did erosion control. They were very personable, they answered all of my questions, and they were interested in doing the job. I would grade them as an A. I would definitely recommend them.
I've worked with Mark, the owner, before. He is very honest and open—great reputation. They deliver very quality work, and they work well as a team as they promise. The last project that he did for me was light landscaping, patio, and some sod work for us. They put in some grass, then some beds, and then put in the patio. I would grade them an A+. I recommend them highly.
I think they have a great designer. We love the design. They did landscaping for us. It took them a long time to finish the project, but the workers were great and did a great job. I'd give them A- for my overall experience.
They did what they said they were going to do, and it looks good when they are done. They added landscaping, low plants, and a tree to two sides of the house. They get an A+.
I'd rate them A. They were very personable, answered questions, and were interested in doing the job. They landscaped under my deck, water shed, and did erosion control. I would definitely recommend them.
They did a good job with the landscaping, and they were very responsive. I would grade them an A-.
I'd rate them an A.
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