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 |
BUCK, JASON | BUCK & SONS CONSTRUCTION LLC | 220 WALLACE RD | WOODLAND, WA 98674 | 360-225-8044 |
CAMPUZANO, RON | DIRT MASTERS LLC | PO BOX 484 | WASHOUGAL, WA 98671 | 541-400-1136 |
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 |
CUSHMAN, ADAM | NORTHWEST CASCADE INC | PO BOX 73399 | PUYALLUP, WA 98374 | 253-848-2371 |
DALKE, LANCE | DOWNHILL EXCAVATION & DRAIN SERVICE | PO BOX 103 | KALAMA, WA 98626 | 360-989-5238 |
HAMMERSTROM, DANIEL | GLACIER INDUSTRIES LLC | PO BOX 614 | YACOLT, WA 98675 | 360-989-5500 |
HEIM, CLARK | AXIUM EXCAVATION LLC | 241 ROBERTSON RD | LONGVIEW, WA 98632 | 360-431-5759 |
HOMOLA, RYAN | ADRENALINE SERVICES LLC | 7115 NE 209TH ST | BATTLE GROUND, WA 98604 | 360-831-7656 |
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 |
JEFFRIES, STEVE | JEFFRIES REPAIR AND SEPTIC | PO BOX 901 | CASTLE ROCK, WA 98611 | 360-430-6891 |
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 |
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 |
MCCAIN, DAN | MCCAIN CONSTRUCTION & DEVELOPMENT | 205 RUGER LANE | CHEHALIS, WA 98532 | 360-520-6595 |
MERRIMAN, BRITT | GLACIER INSTUSTRIES LLC | PO BOX 614 | YACOLT, WA 98675 | 360-773-7719 |
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 |
RICH, MATT | RICH ENTERPRISES KALAMA LLC | PO BOX 507 | KALAMA, WA 98625 | 360-927-9045 |
RICHARDS, KEITH | CHILTON EXCAVATION | 1760 DOWN RIVER DR | WOODLAND, WA 98674 | 360-225-4857 |
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 |
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 | 360-772-4348 |
TINKESS, CHRIS | LPH INC | 540 OLEQUAH HTS RD | CASTLE ROCK, WA 98611 | 360-396-7051 |
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 |