Welcome to Trinity Consultants California

Our California team partners with clients across industries such as real estate, development, construction, agriculture, healthcare, manufacturing, oil and gas, life sciences, and pharmaceuticals, delivering technical expertise in environmental compliance, permitting, land use planning, and geological services. We provide full-spectrum biopharmaceutical engineering support – from process design and automation to validation and compliance – with capabilities in small molecules, recombinant DNA, and cell and gene therapies enhanced by advanced modeling tools. We also offer robust services in emission reporting, permitting, climate and GHG programs, water resource management, toxicology, industrial hygiene, and product safety. With accredited GHG verification, acoustics and technology design, and advanced air quality monitoring, Trinity delivers practical, innovative solutions to complex environmental and technical challenges.

California - Specific Expertise

Key Service Specifics by State Regulation

Trinity staff bring extensive hands-on knowledge of California environmental permitting and compliance.

Explore Our Expertise

Learn about our services.

Acoustic Design & Engineering

Our experts support developers, architects, engineers, and facility owners through...
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Air Quality

Ensure air quality compliance with Trinity Consultants. We provide air permitting,...
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Analytical Laboratory

Our lab delivers ultra-sensitive API detection and accredited analytical services t...
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Building Technology & Security

Our security experts deliver integrated building technology and security services,...
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Chemical Compliance

Simplify chemical compliance and reduce risk through expert support for TSCA, TRI,...
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EHS Management

Help your business stay safe and compliant through expert EHS management services s...
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Environmental Planning & Assessments

Our expert teams offer environmental assessments and permitting services, ensuring...
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ESG and Sustainability

Build your ESG strategy with Trinity Consultants. We support decarbonization, susta...
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Facility Operations

Our expert teams support facility operations through compliance, O&M planning,...
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Food, Beverage & Chemical Toxicology

Our toxicologist teams provide expert toxicology and regulatory support for food, b...
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Hazard Communications

Our experts provide global hazard communication support, including SDS authoring, G...
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Health and Safety

Promote a safety-first culture through expert health and safety services such as ri...
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Industrial Hygiene & EHS

Our specialized teams deliver expert industrial hygiene and EHS support for life sc...
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Land Use and Impact Analysis

Navigate land use planning with Trinity Consultants. We provide environmental impac...
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Pharmaceutical Toxicology

Our specialist teams deliver expert toxicology and potent compound safety certifica...
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Process Design, Engineering & CQV

Our experts deliver process design, development, and CQV services for pharmaceutica...
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Process Safety

Ensure operational safety and compliance through process safety services, PHAs, mec...
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Regulatory & Environmental Compliance

Our consultants help clients manage environmental compliance, permitting, and regul...
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Risk Management

Our experts provide risk management services including EHS risk analysis, assessmen...
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Waste Management

Turn waste into opportunity by partnering for expert support for waste compliance,...
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Water Quality

Protect your water resources through expert water quality monitoring, SPCC, SWPPP,...
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Water Resource Planning & Water Rights

Our teams provide integrated water resource planning and water rights services and...
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Wetlands, Wildlife, Terrestrial & Ecology

Our team of wildlife biologists, ecologists, and land-use specialists support clien...
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Can’t find what you need? Let us help you find the right service.

Trinity Consultants serves many areas over multiple industries. If you don’t see what you’re looking for here, check out the individual divisions to find it.

Environmental Consulting | Water & Ecology | Built Environment | Life Sciences

Meet the leaders behind our California locations.

Our California offices are here to serve your needs. Contact us today!

Built Environment Built Environment
Environmental Consulting Environmental Consulting
Life Sciences Life Sciences
Water & Ecology Water & Ecology

Bakersfield

Office Leader

Wes Younger
Wes Younger
Managing Consultant
Environmental Consulting
4900 California Ave, Suite 420A Bakersfield, California 93309

Irvine

Office Leader

Charles C Lee
Charles C Lee
Principal Consultant
Environmental Consulting
20 Corporate Park, Suite 285 Irvine, California 92606

Los Angeles

Office Leader

Matt Rosenthal
Matt Rosenthal
Associate Principal
Built Environment
3415 S Sepulveda Blvd, Suite 1131 Los Angeles, California 90034

Mountain View

Office Leader

Allan Ader
Allan Ader
Managing Director
Life Sciences
1924 Old Middlefield Way Mountain View, California 94043

Oakland

Office Leader

Emily Kolb
Emily Kolb
Principal Consultant
Environmental Consulting
939 Harrison Street, Suite 618 Oakland, California 94612

Sacramento - University Avenue

Office Leader

Jim Crowley
Jim Crowley
Founding Partner
Water & Ecology
Greg Young
Greg Young
Founding Partner
Water & Ecology
701 University Avenue, Suite 205 Sacramento, California 95825

Sacramento – Cal Center Drive

Office Leader

Emily Kolb
Emily Kolb
Principal Consultant
Environmental Consulting
8950 Cal Center Drive Bldg 2, Suite 350 Sacramento, California 95826

San Diego

Office Leader

Scott Cohen
Scott Cohen
Manager of Consulting Services
Environmental Consulting
3990 Old Town Ave, Suite A203 San Diego, California 92110

San Ramon

Office Leader

Albert Dyrness
Albert Dyrness
Divisional President., Life Sciences
Life Sciences
6101 Bollinger Canyon Road, Suite 390 San Ramon, California 94583

Santa Clarita

Office Leader

Randall Baxter
Randall Baxter
Project Manager, Monitoring Services
Environmental Consulting
Casey Lenhart
Casey Lenhart
Director, Monitoring Services
Environmental Consulting
26368 Ruether Ave Santa Clarita, California 91350

Ventura

Office Leader

John Hecht
John Hecht
Principal Consultant
Environmental Consulting
374 Poli Street, Suite 200 Ventura, California 93001

California Resources

Complying with California’s Climate Accountability Package
Complying with California’s Climate Accountability Package
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Cumulative Air Toxics – South Coast AQMD is Developing New CEQA Methods Impacting New Construction, Major Projects and Permitting
Cumulative Air Toxics – South Coast AQMD is Developing New CEQA Methods Impacting New Construction, Major Projects and Permitting
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SB 253 and SB 261 California Climate Disclosures: Recent Clarifications and Remaining Uncertainties
Jan 01, 1970
SB 253 and SB 261 California Climate Disclosures: Recent Clarifications and Remaining Uncertainties
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Bay Area Air District Proposed Amendments to Regulation 11 Rule 18: Reduction of Risk from Air Toxic Emissions at Existing Facilities
Jan 01, 1970
Bay Area Air District Proposed Amendments to Regulation 11 Rule 18: Reduction of Risk from Air Toxic Emissions at Existing Facilities
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Related Training

Training Courses

May 21, 2025
For more information on training courses, webinars, and seminars click below.
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