We help businesses, developers, public agencies, and infrastructure owners navigate California’s complex environmental and natural resources laws, combining regulatory counseling, permitting, transactional support, and litigation to advance projects and manage environmental risk.

Procopio advises businesses, developers, public agencies, infrastructure owners, and tribal governments on California’s complex environmental and natural resources laws. We help clients navigate the regulatory, permitting, operational, and litigation challenges that arise throughout the lifecycle of projects, transactions and ongoing business operations, from early planning and environmental review through compliance, enforcement, and dispute resolution.
Our multidisciplinary team combines experience in environmental law, land use, real estate, energy, and litigation. We regularly advise clients on permitting, compliance counseling, environmental due diligence review, water quality, hazardous materials, air quality, water rights, Proposition 65, contaminated property, sustainability initiatives, and other environmental issues affecting development projects, infrastructure, manufacturing, mining, transportation, utilities, and other regulated industries. We work closely with our clients to align environmental strategy with broader business, operational, and project objectives.
We have significant experience navigating California’s evolving regulatory landscape, including matters involving CEQA, NEPA, the Clean Water Act, the Coastal Act, federal and state endangered species acts, Clean Air Act, Porter-Cologne, Superfund, PFAS, greenhouse gas regulations, and other state and federal environmental requirements. We work directly with regulatory agencies, consultants, engineers, and other stakeholders to anticipate challenges, manage environmental risk, and keep projects and operations moving efficiently.
Our attorneys regularly represent clients before federal, state, local, and tribal agencies, including the California Coastal Commission, California Department of Fish and Wildlife, Regional Water Quality Control Boards, U.S. Army Corps of Engineers, U.S. Environmental Protection Agency, and Bureau of Indian Affairs. Whether advising on permitting and compliance, negotiating with regulators, or defending clients in environmental enforcement actions, CEQA litigation, Superfund matters, and other complex proceedings, we emphasize practical solutions that help clients manage risk, minimize disruption, and achieve their long-term operational and project goals.
We help clients identify environmental risks early, align project strategy with regulatory requirements, and position acquisitions and development projects for successful execution.
We guide clients through California’s complex environmental permitting processes, working with agencies and stakeholders to secure the approvals needed for projects and operations.
We advise businesses and public entities on managing ongoing environmental obligations while reducing operational and regulatory risk.
We advise public agencies, infrastructure owners, tribal governments, utilities, and private companies on projects involving natural resources and complex public-sector regulatory requirements.
We help clients respond to regulatory investigations, enforcement actions, contamination issues, and other environmental disputes before they escalate whenever possible.
When disputes cannot be resolved through negotiation or administrative processes, we represent clients in complex environmental litigation and appeals.
Ideally as early as possible. Environmental issues often affect site selection, permitting, acquisitions, financing, operations, and long-term project viability. Early legal guidance can help identify regulatory risks, streamline approvals, and avoid costly delays or disputes later.
California has one of the nation’s most comprehensive environmental regulatory frameworks. Businesses and public agencies often must navigate overlapping requirements involving CEQA, water quality, air quality, hazardous materials, endangered species, greenhouse gas regulations, and other state and federal laws. Understanding how these requirements interact is essential to managing risk and maintaining project schedules.
Delays frequently arise from permitting requirements, environmental review, agency coordination, water and natural resource issues, cultural resource concerns, and evolving regulatory requirements. Early planning and coordination with regulators and technical consultants can often reduce delays and improve project outcomes.
Yes. Environmental conditions, permitting obligations, contamination, and regulatory requirements can significantly affect property value, financing, redevelopment potential, and future liability. Environmental due diligence helps buyers, sellers, lenders, and investors better understand and manage those risks before transactions close.
Yes. We advise developers, businesses, public agencies, infrastructure owners, tribal governments, and other organizations facing environmental permitting, compliance, and regulatory challenges. Experience working with both public and private sector clients provides valuable perspective when navigating agency processes and complex infrastructure projects.
We work with clients to understand evolving regulatory requirements, assess operational impacts, develop compliance strategies, and address issues before they become enforcement matters or litigation. Our goal is to help clients manage environmental obligations in ways that support both regulatory compliance and business objectives.
Early legal involvement is often critical. We help clients respond to agency inquiries, evaluate potential exposure, negotiate with regulators, and develop practical resolution strategies. Many matters can be resolved through cooperation and negotiation, while others require administrative proceedings or litigation.
Environmental matters often overlap with land use, real estate, construction, energy, water rights, government contracts, and commercial litigation. Coordinating these issues early helps align legal strategy with broader project and operational objectives while reducing unnecessary risk and delay.
We focus on practical, business-oriented strategies that prioritize early risk identification, coordinated planning, and efficient resolution. By integrating environmental advice with related legal disciplines and engaging proactively with agencies and stakeholders, we help clients avoid unnecessary disputes while remaining fully prepared to litigate when doing so best protects their interests.
Organizations often reassess counsel as projects become more complex, involve multiple regulatory agencies, or require coordinated guidance across permitting, compliance, real estate, energy, infrastructure, or litigation. Specialized environmental counsel can add significant value when regulatory issues become critical to project success or operational continuity.
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