Terraphase is a consulting company that offers tailored solutions to address the complex environmental and engineering challenges our clients face.
We serve diverse markets with tailored solutions that address industry-specific challenges and meet goals.
Terraphase offers expert services in environmental consulting, compliance, water resources, and site engineering to solve complex challenges.
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17625 130th Avenue NE, Suite 102 Woodinville, WA 98072 (425) 488-0599
2105 South C Street Tacoma, WA 98402
(253) 475-7711
610 SW Broadway, Suite 405 Portland, OR 97205
(503) 889-0367
1415 L. Street, Suite 100 Sacramento, CA 95814
(916) 594-8499
300 S. Wells Avenue, Suite 13 Reno, NV 89502
(775) 331-8890
1300 Clay Street, Suite 1000 Oakland, CA 94612
(510) 645-1850
7901 Stoneridge Drive, Suite 528 Pleasanton, CA 94612
(925) 444-0555
250 East 1st Street, Suite 1401 Los Angeles, CA 90012
(213) 419-5606
18401 Von Karman Avenue, Suite 410 Irvine, CA 92612
(949) 377-2227
591 Camino De La Reina, Suite 200 San Diego, CA 92108
(858) 385-0022
222 International Drive, Suite 150 Portsmouth, NH 03801
100 Canal Pointe Boulevard, Suite 110 Princeton, NJ 08540
(609) 236-8171
252 W. Swamp Road, Suite 35 Doylestown, PA 18901
1100 East Hector Street, Suite 400 Conshohocken, PA 19428
(215) 297-3502
We’re here to help, reach out anytime!
Senior Principal Engineering Geologist
(425) 488-0599