American Society of Landscape Architects

Founded in 1899, ASLA is the national professional association for landscape architects, representing more than 15,000 members in 49 professional chapters and 68 student chapters. Members of the Society use the “ASLA” suffix after their names to denote membership and their commitment to the highest ethical standards of the profession.


Leading the design and stewardship of land and communities.

Landscape architects lead the stewardship, planning, and design of our built and natural environments. 

The Society's mission is to advance landscape architecture through advocacy, communication, education, and fellowship.

Contact American Society of Landscape Architects

636 Eye Street, NW
Washington, DC  20001-3736
Phone: 202-898-2444
Toll Free: 888-999-2752
Fax: 202-898-1185


Service Area

National service provider

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