
San Diego
Environmental consulting inSan Diego
More than 30 years of environmental, health, safety, and sustainability expertise for employers across San Diego County.
Citadel EHS supports a region defined by life sciences, defense, telecommunications, and large public infrastructure projects. We work with biotech and pharma companies along the Torrey Pines mesa, naval and defense contractors, telecom data centers, hospitals and research institutions, and major construction and real-estate developers across San Diego County.
We work with the San Diego County Air Pollution Control District, the San Diego Regional Water Quality Control Board, Cal/OSHA, and DTSC on projects across the county. Our San Diego and North San Diego offices are the local points of contact.
On the ground
Our San Diego offices
Our local offices for projects anywhere in San Diego County.
San Diego
3180 University Ave Suite 330
San Diego, CA 92104
(858) 463-8159
Covers: San Diego, La Jolla, Torrey Pines, Sorrento Valley
View San Diego officeNorth San Diego
9666 Businesspark Avenue Suite 102
San Diego, CA 92131
(619) 276-5901
Covers: San Diego, La Jolla, Torrey Pines, Sorrento Valley
View North San Diego officeSee every California office on the California hub, or the full footprint on National Coverage.
Featured
Featured projects in the San Diego region
A selection of our work across San Diego County.

Multifamily Moisture & Microbial Consulting Program
Citadel EHS provides comprehensive moisture and microbial consulting services for a confidential multifamily residential owner and operator during an active capital-improvement program at a San Diego apartment community. With approximately 201 incidents anticipated over the program period, Citadel developed a coordinated approach to provide responsive field support, consistent technical evaluation, and reliable documentation across a high volume of residential-unit investigations.
San Diego Unified School District
Citadel EHS, through its integration with Aurora Industrial Hygiene, provides ongoing hazardous materials, industrial hygiene, and environmental consulting to San Diego Unified School District in support of school modernization, renovation, remediation, and facility improvement projects across the District’s K-12 portfolio. Our teams have supported elementary, charter, and high school campuses throughout San Diego, helping the District address environmental conditions while maintaining safe, compliant, and well-documented construction programs.

City of Oceanside Health & Safety Support
Citadel EHS provides ongoing health, safety, and industrial hygiene consulting support to the City of Oceanside, helping the City maintain compliance with applicable local, state, and federal occupational health and safety requirements. The engagement supports a complex municipal organization whose operations span public safety, parks and recreation, public works, water utilities, and water and wastewater treatment.
May 29, 2026
Deepening our San Diego presence
Citadel EHS acquired Aurora Industrial Hygiene, a California firm founded in 1996 by Certified Industrial Hygienists Karen Shockley and Grace Rinck, deepening our industrial hygiene expertise and expanding our presence across San Diego and Los Angeles.
Read the announcement