HELIX Environmental Planning (HELIX) has provided environmental services for several SANDAG Los Angeles-San Diego-San Luis Obispo (LOSSAN) Double Track projects....
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Regulatory Permitting

- California Coastal Commission
- California Department of Fish and Wildlife
- California Department of Parks and Recreation
- California Department of Transportation
- Federal Highway Administration
- Federal Transit Administration
- National Oceanic and Atmospheric Administration
- Regional Water Quality Control Boards
- San Diego Association of Governments
- San Diego Unified Port District
- San Francisco Bay Conservation and Development Commission
- U.S. Bureau of Land Management
- U.S. Department of Veterans Affairs
- U.S. Army Corps of Engineers
- U.S. Environmental Protection Agency
- U.S. Fish and Wildlife Service
- U.S. General Services Administration
- U.S. Navy
Featured Projects . . .
City of San Diego As-Needed Environmental Services for Storm Water Maintenance
HELIX Environmental Planning has provided a broad range of as-needed environmental services to the City of San Diego Transportation and...
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Quarry Creek
HELIX Environmental Planning (HELIX) prepared an Environmental Impact Report (EIR) for the Quarry Creek Project and a Subsequent EIR (SEIR)...
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Proven Approach
As one of the most complex locations for development projects, California presents unique challenges that require careful and innovative approaches. First, we work closely with clients to develop solutions and strategies to avoid impacts to natural and cultural resources for their projects. When permits are necessary, we coordinate with agencies early on and stay in close contact throughout the process, managing the permit application every step of the way to acquire permits in a timely manner to help clients keep their projects on track. We have developed excellent relationships with the key regulatory agencies and have efficiently and effectively processed thousands of permits for projects of varying types and sizes.