About Us

Greenspace Associates, Inc. is a locally owned and operated full-service landscaping company serving the Quad City area since 1989.

With a straightforward and unique design/build philosophy, we believe in having our designers handle the job from its conception on paper, to the realization on your property. Greenspace is made up of highly skilled landscaping professionals, who believe in paying attention to the smallest details and love to work with the highest quality products in the industry. With 25+ years of experience, our staff works to design, build, and keep your property looking beautiful all year long.

Get in Touch

Mark Slifka, ASLA

VP / LANDSCAPE ARCHITECT

mark@greenspaceassociates.com

A licensed landscape architect in Iowa and Illinois, Mark earned his degree in landscape architecture from Iowa State University. His design philosophy calls for form to follow function, repeat elements, clean lines, and low maintenance.

Mark is a past President of Davenport Noon Optimist Club and the local chapter of American Society of Professional Estimators. He is also a past Distinguished Lt. Governor of Iowa Optimist and a member of the American Society of Landscape Architects.

Tom Wilkerson

LANDSCAPE ARCHITECT

tom@greenspaceassociates.com

A registered landscape architect in Iowa, Tom graduated from Iowa State University. He has worked as a project manager / designer in the Quad City area for 25+ years. Tom prides himself on listening to customer's needs while providing a creative vision and a plan to exceed all expectations.

Tom is a current member of the North Scott Rotary Club, the Long Grove Knights of Columbus, as well as a certified Iowa High School basketball official.