Barbara Green


Founded in the year 2000, Sullivan Green Seavy is a law firm where courtroom accomplishment and client focused awareness go hand in hand. Our attorneys earned their pedigrees while working on complex cases and problem-solving efforts since 1985.

You’ll find our attorneys to be well prepared and responsive to your needs and opportunities. As your advocate, we provide personalized and sophisticated legal services for a reasonable cost.

We represent individuals and families, small businesses, corporations and government entities in diverse legal matters including litigation, administrative law, transactions, and contracts with equal vigor and thoroughness.

Our core practice areas include family law, estate and probate law, real estate law, bankruptcy law, commercial and business law, government law, land use and zoning law, and environmental law.

After serving as Town Manager for Oak Creek and Yampa, Colorado, and Assistant City Manager for the City of Steamboat Springs, Barbara Green earned a J.D. degree from the University of Colorado law school in 1985. Since that time, she has been practicing environmental and land use law. She has represented clients in matters involving land use and development, oil and gas development, mining, water development, water quality, and low-level radioactive waste. Barbara has substantial experience in rulemaking, administrative proceedings, and litigation in state and federal district and appellate courts.

Ms. Green also serves as special counsel to county and municipal governments during complex land use permit application proceedings, and litigation involving challenges to local government authority. She has prepared numerous local government land use codes and environmental regulations, including the Model Colorado Land Use Code for Medium Size Counties. She is General Counsel to the Rocky Mountain Low-Level Radioactive Waste Compact, General Counsel to Northwest Colorado Counsel of Governments, and Town Attorney to the Town of Silver Plume. As a member of the west slope negotiating team, Ms. Green helped bring about the historic Colorado River Cooperative Agreement between the Denver Water Board and the west slope of Colorado.

Ms. Green is a member of the Colorado Mined Land Reclamation Board, and University of Denver Water Law Review Advisory Council. She also serves on the boards of Colorado Conservation Voters and Colorado Common Cause. Barbara holds a B.A. from Northwestern University, an M.P.A. from the University of Colorado in Boulder, and a M.H. from University of Colorado at Denver. Ms. Green is certified by the Colorado Department of Local Affairs as a qualified ADR professional in the Intergovernmental Land Use Dispute Resolution Program.

Contact Barbara Green

Contact Barbara Green

Sullivan Green Seavy, LLC
3223 Arapahoe Avenue
Suite 300
Boulder, Colorado  80303
Phone: (303) 355-4405
Fax: (303) 443-3914


Service Area

Statewide service provider in:
  • Colorado