Mack Carlson

Mack Carlson

Associate

Background

Mack Carlson brings his unique background in environmental geology to his work with various partners across the Natural Resources Department. Mack’s practice focuses on the intersection of a variety of topics, including water law, land use, environmental law and public law. 

Drawing on his analytical hydrogeology skills and professional background, Mack advises on water and groundwater law for a wide variety of clients, including rural mutual water companies, large agricultural interests and local groundwater management agencies. Mack tackles implementation of the Sustainable Groundwater Management Act from both the private and public agency perspective—assisting clients with review and development of groundwater sustainability plans. He has spoken at various conferences on groundwater sustainability agencies’ fee authority. He also has served as general counsel for a groundwater sustainability agency in Southern California. 

Mack has developed a detailed understanding of land use especially as it pertains to assisting developers and municipalities understand and leverage California affordable housing laws, including the Housing Accountability Act, California Density Bonus Law and the Permit Streamlining Act. He also serves as assistant legal counsel for the City of Carpinteria, where he drafts ordinances, reviews contracts, handles code enforcement and advises on the California Environmental Quality Act compliance. 

Before attending law school, Mack was a hydrogeologist in California and Utah, where he worked for an investor-owned water utility and international mineral extraction company. While in law school, he was a judicial extern for U.S. District Court Judge Miranda Du in Nevada and a legal extern with the Office of the California Attorney General’s Office in the Land, Environment and Natural Resources Section. 

Representative Matters

Housing

  • Specialized knowledge of California and Central Coast housing and land use regulations, CEQA, California Coastal Act, land use, and development strategy around issues including Builder’s Remedy, infill and muti-family properties and accessory dwelling units (ADUs). Intimate knowledge of Central Coast jurisdictions including the City of Goleta, City and County of Santa Barbara, and City of Ojai.

  • CEQA, water, land use, and development strategy counsel to landowners regarding several proposed multi-family residential developments in highly challenging development environments. Projects include challenging water right conversions (agricultural to real estate use), Builder’s Remedy project applications, and General Plan Amendment issues.

  • Assisted with land use and litigation counsel for land use entitlements that culminated in a significant win on behalf of a housing developer client with a mixed, partially historical, multi-family and affordable infill project in the City of Ojai. The City Council unanimously approved a Settlement Agreement along with the extension application for one of our clients’ projects that includes a portion of City land, aggressive processing deadlines, discounts on development fees, and no indemnification requirement for the City against certain potential litigation.

Water Rights & SGMA

  • Assists as special counsel groundwater sustainability agencies in the San Joaquin Valley and Central Coast. Westside Subbasin consists mainly of the lands in the Westlands Water District, the largest agricultural water district in the United States comprised of over 1,000 square miles of farmland. Provides counsel to Westlands Water District, the largest agricultural water district in the United States comprised of over 1,000 square miles of farmland, including SGMA implementation, preparation of the GSP, and collaboration with neighboring GSAs and stakeholders.

  • Counsels agricultural interests, water utilities, and landowners in SGMA regulations, adjudicated basins, and in groundwater rights litigation.

Land Use

  • Performed pro bono due diligence for White Buffalo Land Trust’s acquisition of the 1,000-acre Jalama Cañon Ranch outside of Lompoc, California. Brownstein’s work included preparing an Agricultural Subdivision Potential Analysis under the County’s requirements to support a conservation easement valuation.

  • Serves as Assistant City Attorney for the City of Carpinteria handling land use matters, including drafting ordinances, advising on new developments, and compliance with State affordable housing laws.

Insights & Publications

Credentials

Education

  • J.D., 2018, University of California, Davis School of Law, Order of the Coif
  • B.S., 2010, Tufts University

Admissions

  • California

Community Involvement

COMMUNITY INVOLVEMENT:

Water Education Foundation, 2021 Water Leader Class

Recognition

AWARDS:

William R. Gianelli Water Leaders Class of 2021, Water Education Foundation