Mr. Quintanilla is the President of the Firm which he established in 2014, after spending nearly 20 years with the former law firm of Green, de Bortnowsky & Quintanilla. Mr. Quintanilla was admitted to the State Bar of California in 1992 and since then he has practiced exclusively in the area of municipal law and its related fields, including land use, planning, real estate, environmental compliance, affordable housing, public works projects, mobile home parks, rent control, labor, employment, municipal solid waste, records management, code enforcement, tax measures, elections, conflicts of interest, ethics, the Ralph M. Brown Act and the Public Records Act.

Currently, Mr. Quintanilla serves as the City Attorney and City Prosecutor for the City of Rancho Mirage and Interim City Attorney for City of Moreno Valley. Mr. Quintanilla also serves as General Legal Counsel for the Rancho Mirage Housing Authority and the Orange County, Murrieta Valley, Palm Springs and Temecula Public Cemetery Districts. In addition, Mr. Quintanilla serves as General Counsel for several non-profit organizations, including the Rancho Mirage Public Library & Observatory Foundation, Rancho Mirage Writers Festival and Palm Springs Modernism Week.

Mr. Quintanilla is the author of a feature article on the historic development of the Brown Act published in “Western Cities” magazine by the League of California Cities. He has prepared several comprehensive guides suitable for use by public officials regarding state ethics laws, the Brown Act, and the Mobilehome Residency Law. Local public agencies and community organizations frequently invite him to speak on issues such as open and public meetings, disclosure of public records, government ethics, conflicts of interest, general plans, constitutional law, land use proceedings, code enforcement, and mobile home park regulations.

Mr. Quintanilla has also been a frequent contributor to the editorial page of the Coachella Valley’s Desert Sun newspaper and has prepared several commentaries for the Desert Sun on topics ranging from ethics in government to effective public participation in the local political process. The major news publications in the Coachella Valley such as The Desert Sun Newspaper, the Public Record, the Business Press, and La Prensa Hispana Newspaper, have all recognized Mr. Quintanilla for his professional accomplishments and his many contributions to the community. In addition, Mr. Quintanilla has repeatedly been recognized by Palm Springs Life magazine as one of the “Top Lawyers” in the Coachella Valley, and he has been featured by Palm Springs Life (twice) as a major “Visionary” in the Coachella Valley.

Mr. Quintanilla’s educational background includes a J.D. from the UCLA School of Law, an M.A. in Urban Planning from the UCLA School of Architecture and Urban Planning, and a B.A. in Environmental Policy from the UCLA Geography Department from which he graduated magna cum laude and with numerous other academic honors.

​Mr. Quintanilla is a member of the State Bar of California and is admitted to practice before all the courts of the State of California, the United States District Court for the Central District of California and the Ninth Circuit Court of Appeals.