Citadel EHS is an employee-owned, certified Local Small Business Enterprise (LSBE) headquartered in Los Angeles County. As a leading Environmental, Health, Safety, and Sustainability (EHS&S) consulting firm, Citadel EHS combines technical excellence with over 30 years of proven experience to deliver cost-effective and innovative solutions for complex EHS&S challenges across a project's entire life cycle.
With seven fully staffed offices across California and additional strategic locations in Seattle, Washington; Denver, Colorado; and Charlotte, North Carolina, Citadel EHS ensures strong regional presence with a national and international reach.
Since 1993, Citadel EHS has partnered with public and private sector clients to provide integrated services across a broad range of disciplines, including:
Environmental air quality
Building sciences and hazardous materials management
Engineering and environmental sciences
Environmental compliance and permitting
Industrial hygiene
Moisture intrusion and microbial consulting
Safety and risk management
ESG and sustainability consulting, including greenhouse gas (GHG) accounting, SB 253, SB 261, and CSRD compliance
Building certification consulting services, and Building Performance Testing, including Green Globes, Fitwell, LEED, and WELL
We support projects through all phases—acquisition, entitlement, design, construction, remediation, and ongoing operations. Our services also encompass stormwater management (SWPPP), indoor air quality assessments, noise studies, building envelope inspections, and more.
Citadel EHS proudly serves a diverse array of industries, including:
Architecture, Engineering, and Construction (AEC)
Education
Energy and utilities
Government and public sector
Healthcare
Hospitality
Industrial and manufacturing
Professional services
Real estate and property management
Our mission is to protect people, preserve the environment, and ensure our clients' success through strategic, science-based EHS&S solutions.
Service area
United StatesAgent locations
CaliforniaPoint of contact
Julie Wojnowski
[email protected]
with our people-first approach to buildings,
organizations and communities.
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