2022 Mason County Onsite Sewage Designer/ Engineer List

2024 Mason County Onsite Sewage Designer/ Engineer List

COMPANY

NAME

PHONE

MAILING ADDRESS

A+ ONSITE LLC

FRANKLIN CLARK*

360-830-4765

PO BOX 1954 SILVERDALE, WA 98383

Y

ACME SEPTIC DESIGN &...

ROD LEFT*

360-698-8488

PO BOX 2954 SILVERDALE, WA 98383

N

ACTIVE UNDERGROUND LLC

JAMES MEDCALF*

360-426-9277

PO BOX 1552 SHELTON, WA 98584

Y

ADVANCED ENGINEERING

CHRIS ELSTROTT*

360-561-5000

128 NORTH RIVER STREET

MONTESANO, WA 98563

N

ALLIED DESIGN INC

TOM WEAVER*

360-620-7054

3912 STEELHEAD DRIVE NW

BREMERTON, WA 98312

N

American Septic Design LLC-Tom... TOM PURDUM

253-509-2757

PO Box 821 WAUNA, WA 98395

N

ARROW SEPTIC DESIGN

PAULA JOHNSON*

360-898-2255

171 E VUECREST DRIVE UNION, WA

98592

N

B-LINE CONSTRUCTION INC

DANA WOOLISCROFT*

360-426-4221

2971 E PHILLIPS LAKE LOOP RD

SHELTON, WA 98584

N

CALIBER SEPTIC DESIGN

RICHARD BAZZELL*

360-509-7900

165 NW TUPELO WAY POULSBO, WA

98370

N

CINDY WAITE

CINDY WAITE*

360-701-0205

80 E Pickering Lane SHELTON, WA

98584

N

H&H ENGINEERING PLLC

MATTHEW BROWN*

253-320-5397

PO BOX 1220 RAINIER, WA 98576

N

HARBORSTONE CONSULTING LLC MIKE JERKOVICH*

253-363-0071

PO BOX 296 GIG HARBOR, WA 98335

N

JIM HUNTER AND ASSOCIATES

JIM HUNTER*

360-753-1226

PO BOX 162 OLYMPIA, WA 98507

N

JIM HUNTER AND ASSOCIATES

ADAM HUNTER*

360-753-1226

PO Box 162 OLYMPIA, WA 98507

N

JUSTIN RUSSELL

JUSTIN RUSSELL*

360.956.7242

PO BOX 14531 TUMWATER, WA 98511

N

M. HALVERSON DESIGN LLC

MICAH HALVERSON*

360-490-6365

PO BOX 1519 SHELTON, WA 98584

N

OLYMPIC NORTHWEST DESIGN ... JON KNODEL*

360.589.7425

PO BOX 2753 WESTPORT, WA 98595

N

PIONEER DIGGING INC.

360-426-1803

3083 E Mason Benson Road

GRAPEVIEW, WA 98546

Y

BOB PAYSSE*

LOCATING SERVICES?

On-site Wastewater Designers and Professional Engineers are licensed through Washington State Department of Licensing. The above list of

designers and engineers are professionals that have requested and paid to be on this list. To obtain a more complete list of available designers and

engineers contact the Washington State Board of Registration for Engineers and Land Surveyors at 360-664-1575 or check the Dept. of Licensing

website at dol. and search their professional licenses.

Mason County Public Health & Human Services - Environmental Health

360-427-9670, ext. 400 - 360-275-4467, ext. 400 - 360-482-5269, ext. 400

415 N. 6th Street, Shelton WA 98584

Certification List last updated:

05/14/2024 8:47:19 AM

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