Established in 1991 and with offices in San Diego, Sacramento, Placer, Orange, and Riverside counties, HELIX Environmental Planning develops and implements innovative environmental compliance and sustainable design services throughout California and the western United States. HELIX has extensive experience helping public and private clients comply with environmental laws and regulations, manage natural and cultural resources, and design and construct sustainable projects. Our responsive, high-quality service enables clients to achieve their goals while benefiting the community and the environment. Many clients, as a measure of their confidence, bring their largest, most sensitive, and controversial projects to HELIX.

NEPA/CEQA Compliance Biological Resources Studies Regulatory Permitting Mitigation Monitoring Habitat Restoration Acoustics and Noise Control Air Quality/GHG GIS Cultural Resource Management Environmental Compliance CEQA/NEPA Compliance Biological Fisheries & Aquatic Resource Studies Air Quality/GHG Studies Fisheries & Aquatic Resource Studies Landscape Architecture Waste/Recycling/Environmental Environmental Controls Environmental Services Research Development Business Services