Kathryn B. Rossmell

Executive Shareholder | West Palm Beach

Ms. Rossmell is Board Certified by the Florida Bar in City, County and Local Government Law, a designation that is earned by less than half of one percent of all lawyers admitted to the Florida Bar. Kathryn is an executive shareholder in the law firm of Lewis, Longman & Walker where her practice focuses on land use, environmental, local government and natural resources law. She represents private clients on land use matters including comprehensive planning issues and land development regulation application, drafting and implementation; public and private clients on natural resources permitting issues; clients challenging and defending National Environmental Policy Act (NEPA) compliance; as well as civil litigation for public and private clients for matters within her practice areas. She also represents and advises public clients as general and special counsel, including legal analysis of special assessment methodology and counseling clients on community redevelopment and other special district matters.

Publications and Presentations

Making Waves: Proposed Rule to Expand Manatee Critical Habitat Under the Endangered Species Act, February 2025
Lesser-Known Development Tool Has Major Impact, April 2023
One Byte at a Time, Florida Chamber of Commerce Environmental Permitting Summer School, July 2022
In the News: Helping Women Succeed is an Everyday Mission for LLW Attorney Kathryn Rossmell, September 2021
Master Your Tech, Florida Chamber of Commerce Environmental Permitting Summer School, July 2021
Ethical and Technology Issues for Environmental, Land Use, and Government Attorneys, Presentation to the Environmental and Land Use Section of the Florida Bar, October 2020
Something Old, Something New – Ethics and Technology for Environmental Professionals On the Go, Florida Chamber of Commerce Environmental Permitting Summer School, July 2020
But I Need That! Navigating Special Procurement Issues for CRAs, Presentation to Florida Redevelopment Association, October 2019
Mangroves and Florida Residential Homeowners: Your Rights Under The Mangrove Trimming and Preservation Act, 2019
Drones – Hovering over a Town Near You, Florida City and County Management Association Conference, June 2017
Drones: A Florida Perspective, Florida Engineering Society Journal, March 2017
2017: The Year of Water Law, Law 360; Environmental Law Network, February 2017
EPA Updates and Trends, Environmental Permitting Summer School, July 2016
Numeric Nutrient Criteria: Florida’s Journey, the Next Steps, and the Gulf Dead Zone, National Association of Environmental Professionals Annual Conference, April 2014
Florida's New Crop: Is Water Farming For You?, Journal American Water Works Association, December 2013
Elimination, Reduction, and Minimization of Impacts, Florida Environmental and Land Use Law Treatise, June 2013
From Tools to Toys - The Gutting of the Infamous Primary Indicators, University of Florida Journal of Law and Public Policy, August 2012

Professional, Civic and Community Involvement

Admitted to practice in the United States District Courts for the Middle and Southern Districts of Florida
Admitted to practice in the United States Federal District Court of the District of Columbia
Palm Beach North Chamber of Commerce, Chair-Elect
Healthy Mothers Healthy Babies of Palm Beach County, Board Member; Moments Luncheon Past Co-Chair; Advancement Committee Member
Leadership Palm Beach County, General Counsel and Executive Committee Member, 2018-2024; Strategic Planning Committee Member, 2023; Class of 2018 Member
FAU Pine Jog Environmental Education Center, Past Chair of the Board
Florida Association of Environmental Professionals, Treasure Coast Chapter, Past President
NorthPacII, Vice Chair, 2024-2026; Past Secretary, 2023-2024
Women’s Foundation of Florida, Palm Beach County 2020 and 2021; Raise the Bar Committee Member
The Forum Club of the Palm Beaches, Board Member
American Bar Association, Section of Environment, Energy and Resources, Member; Young Lawyers Division (YLD) Member
The Florida Bar: Environmental and Land Use Law Section, City County and Local Government Law Section, Administrative Law Section, and the Young Lawyers Division
Palm Beach County Bar Association, Member; Young Lawyers Section, Member
Palm Beach County Planning Congress, Member
Florida Brownfields Association, Member

Awards and Recognitions

Best Lawyers in America: Ones to Watch, Environmental Law; Land Use and Zoning Law; Natural Resources Law; and Transportation Law, 2023-present
South Florida Business Journal, Forty Under Forty, 2025
News Service of Florida, Forty Under Forty, 2025
Young Professional of the Year Award, North Palm Beach Chamber of Commerce, 2024
Young Professional of the Year Award, Chamber of Commerce of the Palm Beaches, 2022
Florida Rising Stars, Environmental Law; Land Use/Zoning Law, 2020-present
Palm Beach Illustrated Magazine Top Lawyer, Natural Resources Law, Land Use and Zoning Law, Transportation Law
South Florida Business and Wealth Magazine's Legal Awards, Junior Associate Award Winner, 2021
ATHENA Young Professional Leadership Award Finalist, 2021
FAU Pine Jog Environmental Education Center, Young Professional of the Year Award, 2020
Florida Association of Environmental Professionals, Treasure Coast Chapter, Treasure of the Chapter Award, 2020; President's Service Award, 2015

Practices

Industries

Education

J.D., cum laude, University of Florida, 2012
B.A., magna cum laude, University of Florida, 2009