JOIN US SEARCH LOCATIONS CONTACT DEA HOME WHO WE ARE WHAT WE DO SOLUTIONS NEWS Locations DEA was founded in 1976 in Portland, Oregon, and today employs more than 750 professionals in offices located in California, Colorado, Idaho, Mississippi, Nevada, New York, Oregon, South Carolina, Texas, Utah, and Washington. California Los Angeles 201 S. Figueroa Street Suite 240 Los Angeles, CA 90012 213.337.3680 fax: 213.337.3679 Map and Directions Ontario 4141 E. Inland Empire Boulevard Suite 250 Ontario, CA 91764 909.481.5750 fax: 909.481.5757 Map and Directions San Diego 3530 Camino Del Rio N Suite 105 San Diego, CA 92108 619.400.0600 fax: 619.400.0599 Map and Directions Santa Clarita 25152 Springfield Court Suite 350 Santa Clarita, CA 91355 661.284.7400 fax: 661.284.7401 Map and Directions Temecula 41951 Remington Avenue Suite 220 Temecula, CA 92590 951.294.9300 fax: 951.294.9301 Map and Directions Tustin 17782 17th Street Suite 200 Tustin, CA 92780 714.665.4500 fax: 714.665.4501 Map and Directions Victorville 18484 Outer Highway 18 N Suite 225 Apple Valley, CA 92307 760.524.9100 fax: 760.524.9101 Map and Directions Colorado Denver 1600 Broadway Suite 800 Denver, CO 80202 720.946.0969 fax: 720.946.0973 Map and Directions Idaho Boise 9179 W. Black Eagle Drive Boise, ID 83709 208.900.9049 Map and Directions Coeur d’Alene 663 W. Canfield Avenue Coeur d’Alene, ID 83815 208.762.2200 fax: 208.635.7094 Map and Directions Pocatello 1950 East Clark Street Suite 220 Pocatello, ID 83201 208.269.2410 Map and Directions Mississippi Gulfport Marine Services Division 14231 Seaway Road Suite 4002 Gulfport, MS 39503 228.284.2645 Map and Directions Nevada Las Vegas 750 East Pilot Road Suite F Las Vegas, NV 89119 725.529.3404 Map and Directions New York New York City 17 Battery Place Suite 1328 New York, NY 10004 212.742.4321 fax: 212.742.4356 Map and Directions Oregon Bend 233 SW Wilson Ave Suite 4 Bend, OR 97702 541.389.7614 fax: 541.389.7623 Map and Directions Portland Corporate Headquarters 2100 S. River Parkway, Suite 100 Portland, OR 97201 800.721.1916 fax: 503.223.2701 Map and Directions Corvallis 1600 SW Western Blvd Suite 190 Corvallis, OR 97333 541.766.4600 Map and Directions Salem 530 Center Street NE Suite 605 Salem, OR 97301 503.361.8635 fax: 503.361.8655 Map and Directions South Carolina Charleston Marine Services Division 2113 Middle Street Suite 310 Sullivan’s Island, SC 29482 843.883.2150 Map and Directions Texas College Station 1645 Greens Prairie Rd. Suite 104 College Station, TX 77845 979.977.5600 Map and Directions Utah Salt Lake City 10701 South River Front Parkway Suite 125 South Jordan, UT 84095 385.955.2850 Map and Directions Washington Bellevue 14432 SE Eastgate Way Suite 400 Bellevue, WA 98007 425.519.6500 fax: 425.519.5361 Map and Directions Everett 1620 W. Marine View Drive Suite 200 Everett, WA 98201 425.259.4099 fax: 425.259.3230 Map and Directions Olympia 724 Columbia Street NW Suite 320 Olympia, WA 98501 360.705.2185 fax: 360.705.2187 Map and Directions Seattle 801 Second Avenue Suite 200 Seattle, WA 98104 206.928.8750 Map and Directions Spokane 908 N. Howard Suite 300 Spokane, WA 99201 509.327.8697 fax: 509.327.7345 Map and Directions Tacoma 2106 Pacific Avenue Suite 400 Tacoma, WA 98402 253.922.9780 fax: 253.922.9781 Map and Directions Vancouver Marine Services Division 2801 SE Columbia Way Suite 130 Vancouver, WA 98661 360.314.3200 fax: 360.314.3250 Map and Directions Woodinville 20300 Woodinville Snohomish Road NE Suite A Woodinville, WA 98072 425.415.2000 fax: 425.486.5059 Map and Directions Who We Are History Core Ideology Leadership Stewardship Locations Contact DEA What We Do Energy Land Development Transportation Water and Environment Surveying and Geomatics Marine Services Solutions Alternative Project Delivery Construction Engineering Energy Development Engineering Landscape Architecture Environmental Planning and Compliance Planning Project Management News Awards Rankings Join Us Our People Current Openings Benefits Subconsultants and Vendors David Evans and Associates, Inc., 2100 S. River Parkway, Suite 100, Portland, OR 97201 :: 800.721.1916 Copyright © 1996-2021 David Evans and Associates, Inc. All rights reserved. :: Terms of Use | Privacy Policy