Central Valley and Sierra Region

Locations
- - Bend
  - Camarillo
  - Delray Beach
  - Destin
  - Sarasota
  - Irvine
  - Tampa
  - Los Angeles
  - Oakland
  - Orlando
  - Pasadena
  - Petaluma
  - Portland
  - Sacramento
  - San Diego
  - San Francisco
  - Santa Monica
  - Seattle
Projects
- ESA brings to each project a broad point of view that comes from over four decades of working with private developers, municipal utilities, the public, and federal, state, and local agencies coupled with the project-specific expertise and practical knowledge it takes to perform at the local level.
  - View Featured Projects
News
- Subscribe to ESA news and information via our RSS feed
Join Us
- At ESA, we employ over 500 bright, creative, and dedicated professionals throughout our California, Florida, Oregon, and Washington offices. Ours is a top notch team widely recognized for technical excellence and solutions-based consulting.
  - View Job Opportunities
  - Benefits
About ESA
- ESA was founded in California in 1969, shortly before enactment of the National Environmental Policy Act (NEPA) and the California Environmental Quality Act (CEQA)—landmark laws that have greatly influenced environmental planning and analysis.
Contact
- For media inquiries contact
  Adrienne Centano
  acentano [at] esassoc [dot] com
  Ph: 206.576.3786
  For information and business opportunities contact
  Eric Ruby
  eruby [at] esassoc [dot] com
  Ph: 619.719.4200
  - Our Locations
  - View Job Opportunities

Airports	Cultural Resources	Transportation
Biological Resources and Land Management	Energy	Water
Community Development	Environmental Hydrology & Design

Located in a LEED Gold certified building in the heart of Sacramento's midtown, our Central Valley/Sierra Region serves a range of municipal, state, federal, Native American, and private-sector clients throughout Northern California, Sierra Nevada, and the Central Valley.