Bill Detweiler  
Development Services
Title: Director
Phone: 720-733-3530
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Bill Detweiler

Bill came to the Town of Castle Rock in April 2006 as the Assistant Director of Development Services and was
promoted to Director in October 2007.

He is responsible for the overall operations of the Development Services Department including long-range, current and downtown planning activities; building permits, plan review and field inspection activities, zoning, code enforcement and site compliance, Economic Development coordination, and Bill is the Executive Director of the Castle Rock Urban Renewal Authority.

Bill has more than 35 years of experience as a senior administrator, landscape architect and community planner in the Denver, Washington, D.C. and Phoenix areas. Bill has a bachelor of landscape architecture from the University of Arizona and master of arts in organizational management from the University of Phoenix.  He is a member of the American Planning Association, the American Society of Landscape Architects, and the Urban Land Institute.

Bill and his wife Eileen have three sons and all are active in school and community activities. Bill’s family has participated in numerous volunteer organizations, including successfully training 12 service dogs that graduated from the academy and were placed with individuals with special needs. Bill enjoys golf, fly-fishing, restoring antique cars and furniture, and riding his motorcycle through the mountains. 

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