OSS Professional Installer List
This list is a list of companies that are licensed by Cowlitz County to install septic systems. Cowlitz County does not endorse, guaranty, or warranty the workmanship of any of these companies or individuals.
Do Your Homework
As with any professional you hire, do your homework. The County is not able to give suggestions or references. If you have any complaints concerning one of these companies please report them to the Environmental Health Unit (EHU) at 360-414-5599, email at omseptic@co.cowlitz.wa.us, or fill out a Request for Investigation form and submit it to Health & Human Services.
Contact | Company Name | Address | City, State, Zip | Phone # |
AMOS, LUKE | AMOS EXCAVATING/ CONSTRUCTION | 366 DELAMETER RD | CASTLE ROCK, WA 98611 | 360-749-3330 |
BECKER, DEVIN | NW CONSTRUCTION GENERAL CONTRACT | 22317 NE 72ND AVE | BATTLE GROUND, WA 98604 | 360-687-2040 |
BOWEN, GARYN | J & B SEPTIC LLC | 132 WESTMINSTER DR | KELSO, WA 98626 | 360-751-2320 |
BUCK, JASON | BUCK & SONS CONSTRUCTION LLC | 220 WALLACE RD | WOODLAND, WA 98674 | 360-225-8044 |
CARNEY, ARTHUR | CARNEY CONSTRUCTION INC | PO BOX 327 | TOUTLE, WA 98649 | 360-274-7980 |
CASEDAY, JUSTIN | CASEDAY SEPTIC SERVICES LLC | 21212 NE 72ND AVE | BATTLE GROUND, WA 98604 | 360-931-0859 |
CHENIER, MATT | SPECIALTY SEPTIC AND CONTRACTING | PO BOX 1173 | KELSO, WA 98626 | 360-261-1674 |
CUSHMAN, ADAM | NORTHWEST CASCADE INC | PO BOX 73399 | PUYALLUP, WA 98374 | 253-848-2371 |
HAMMERSTROM, DANIEL | GLACIER INDUSTRIES LLC | PO BOX 614 | YACOLT, WA 98675 | 360-989-5500 |
HAYDEN, ANDY | AYC | 641 MINERAL HILL RD | MINERAL, WA 98355 | 253-303-1207 |
HENSLEY, LARRY | LPH LLC | 188 OLEQUA HEIGHTS ROAD | CASTLE ROCK, WA 98611 | 360-560-2972 |
HUHTA, JEAN-PAUL | J.P. HUHTA UNDERGROUND LLC | PO BOX 1001 | LONGVIEW, WA 98632 | 360-751-5734 |
JAYNES, JOSH | HORIZONS NW EXCAVATING & SEPTIC LLC | 16617 NE 197TH AVE | BRUSH PRAIRIE, WA 98606 | 360-798-1115 |
JUSSILA, SAM | SEPPANEN CONSTRUCTION LLC | 8207 NE 316TH ST | LA CENTER, WA 98629 | 360-263-7950 |
KIRKELIE, KEN | CLARK COUNTY SEPTIC SYSTEMS LLC | 21506 NW 31ST AVE | RIDGEFIELD, WA 98642 | 360-887-1800 |
KRONE, JEFF | KRONE TRUCKING | 161 RIVERVIEW DRIVE | CASTLE ROCK, WA 98611 | 360-957-3322 |
LEE, MATT | AQUA TEST INC | 28620 MAPLE VALLEY BLACK DIAMOND RD SE | MAPLE VALLEY, WA 98038 | 800-221-3159 |
LEE, SCOTT | SCOTT LEE EXCAVATING INC | PO BOX 2123 | BATTLE GROUND, WA 98604 | 360-687-5465 |
LESMAN, CHRIS | HOWDYS DOODY SERVICE INC | 620 93RD AVE, SE | OLYMPIA, WA 98501 | 360-584-9936 |
LONGTAIN, SAM | SAM LONGTAIN CONSTRUCTION | 335 ELOCHOMAN VALLEY RD | CATHLAMET, WA 98612 | 360-957-0503 |
MATSON, KEVIN | DIGGIN DIRT EXCAVATING | PO BOX 705 | AMBOY, WA 98601 | 360-852-4611 |
MATSON, TYRELL | SEPPANEN CONSTRUCTION LLC | 8207 NE 316TH ST | LA CENTER, WA 98629 | 360-263-7950 |
MCCAIN, DAN | MCCAIN CONSTRUCTION & DEVELOPMENT | 205 RUGER LANE | CHEHALIS, WA 98532 | 360-520-6595 |
POSEY, BRANDON R. | PACIFIC SITEWORKS LLC | PO BOX 821394 | VANCOUVER, WA 98682 | 360-241-0849 |
POTTER, BENNETT | A-ACTION GROUP UTILITIES INC | 620 93RD AVE | OLYMPIA, WA 98501 | 360-943-9200 |
POWELL, TY | T & K CONSTRUCTION LLC | 123 AUTUMN HEIGHTS RD | SALKUM, WA 98582 | 360-623-0367 |
RICH, MATT | RICH ENTERPRISES KALAMA LLC | PO BOX 507 | KALAMA, WA 98625 | 360-927-9045 |
RICHARDS, KEITH | RICHARDS EXCAVATION LLC | 1319 HEMLOCK ST | LONGVIEW, WA 98632 | 360-957-3434 |
ROBERTS, PETER | BLOOMQUIST SEPTIC INSPECTIONS LLC | PO BOX 3008 | BATTLE GROUND, WA, 98604 | 360-686-0011 |
ROBB, BRET | ROBB CONSTRUCTION INC | 7209 NE 159TH STREET | VANCOUVER, WA 98662 | 360-573-3030 |
ROGERS, KASEY | KOR CONSTRUCTION LLC | 1221 PH 10 | CASTLE ROCK, WA 98611 | 360-904-8189 |
ROTSCHY, BASIL F | L&S CONTRACTORS | 22405 NE WH GARNER RD | YACOLT, WA 98675 | 360-686-3827 |
SEPPANEN, BRIAN | SEPPANEN CONSTRUCTION LLC | 8207 NE 316TH ST | LA CENTER, WA 98629 | 360-263-7950 |
SPENCER, TOM | SPENCER’S TRUCKING & EXCAVATING INC | 2780 PACIFIC AVE N | KELSO, WA 98626 | 360-577-8828 |
SPENCER, TONY | SPENCER’S TRUCKING & EXCAVATING INC | 2780 PACIFIC AVE N | KELSO, WA 98626 | 360-577-8828 |
TAPANI, NICK | NORTHWEST SITEWORKS INC | PO BOX 699 | BATTLE GROUND, WA 98604 | 360-666-3341 |
WALIEZER, DALE | AAA SEPTIC SERVICE | PO BOX 1688 | BRUSH PRAIRIE, WA 98606 | 360-687-8960 |
WIARD, MATT | EARTHWORKS EXCAVATING SERVICES INC | PO BOX 821624 | VANCOUVER, WA 98682 | 360-772-0088 |
YOUNG, DAVE | D B & R INC. | 1149 RUSH RD | CHEHALIS, WA 98532 | 360-269-3877 |