Sanitation system / side sewers contractors
95 active registrations, specialty “Sanitation system / side sewers” as L&I records it.
| Place | Contractor | License | Specialty | Expires |
|---|---|---|---|---|
| Olalla, WA | 4 SIGHT SEPTIC INC | 4SIGHSS933DA | Sanitation system / side sewers | Mar 1, 2027 |
| Yakima, WA | A-1 SEWER SERVICE | 1SEWESS853JM | Sanitation system / side sewers | Feb 23, 2027 |
| Kingston, WA | A-MAC SEPTIC & EXCAVATION | MACSESE772R9 | Sanitation system / side sewers | Jan 4, 2028 |
| Bellingham, WA | AA QUALITY SEPTIC LLC | AAQUAQS792DA | Sanitation system / side sewers | May 28, 2027 |
| Everett, WA | ABC SEPTIC MONITORING LLC | ABCSESM858CP | Sanitation system / side sewers | Feb 21, 2027 |
| Lake Stevens, WA | ABOVE ALL CONSTRUCTION INC | ABOVEAC052Q7 | Sanitation system / side sewers | Apr 8, 2028 |
| Auburn, WA | AL-PAC SEWER INSTALL/RPR LLC | ALPACSI779KP | Sanitation system / side sewers | Sep 4, 2027 |
| Bellingham, WA | ALISSI CONSTRUCTION INC | ALISSCI935QF | Sanitation system / side sewers | Apr 29, 2027 |
| Bellingham, WA | ALL AROUND SEPTIC LLC | ALLARAS837LE | Sanitation system / side sewers | Aug 24, 2027 |
| Mukilteo, WA | ALL COUNTY SEPTIC SERVICE INC | ALLCOCS825D2 | Sanitation system / side sewers | Mar 22, 2028 |
| Keyport, WA | ALLCOUNTY OPERATIONS INC | ALLCOOI963DT | Sanitation system / side sewers | Sep 4, 2028 |
| Maple Valley, WA | AQUA TEST INC | AQUATTI921PH | Sanitation system / side sewers | Nov 5, 2026 |
| Seabeck, WA | AQUARIUS PUMP CO INC | AQUARPC776DZ | Sanitation system / side sewers | Mar 9, 2027 |
| Bainbridge Island, WA | BAINBRIDGE SEPTIC TNK PMPG INC | BAINBST830DA | Sanitation system / side sewers | Mar 27, 2027 |
| Moses Lake, WA | BASIN SEPTIC SERVICES INC | BASINSS914M9 | Sanitation system / side sewers | Aug 5, 2027 |
| Burbank, WA | BISON SEPTIC PUMPING LLC | BISONSP850BO | Sanitation system / side sewers | Nov 25, 2027 |
| Auburn, WA | BLANKENSHIP EQUIP REPAIR INC | BLANKER902L9 | Sanitation system / side sewers | Jul 24, 2028 |
| Battle Ground, WA | BRAD'S SEPTIC SERVICE | BRADSSS860DU | Sanitation system / side sewers | Mar 31, 2028 |
| Deer Park, WA | BUB'S SEPTIC PUMPING LLC | BUBSSSP744KM | Sanitation system / side sewers | May 14, 2028 |
| Rickreall, OR | C-MORE PIPE SERVICES CO | CMOREPS023CZ | Sanitation system / side sewers | Mar 5, 2027 |
| Arlington, WA | CASCADE SEPTIC PUMPING LLC | CASCASP792C6 | Sanitation system / side sewers | Aug 13, 2027 |
| Cheney, WA | CHENEY SEPTIC SERVICE INC | CHENESS752LC | Sanitation system / side sewers | Jun 3, 2027 |
| Athol, ID | CONVERTED LAND SERVICES LLC | CONVELS751P9 | Sanitation system / side sewers | Nov 18, 2027 |
| Tulalip, WA | D-N-A DRAIN CLNG & SWR LLC | DNDRADC767JJ | Sanitation system / side sewers | Apr 11, 2028 |
| Spokane, WA | DOWNRIVER SEPTIC LLC | DOWNRSL789C2 | Sanitation system / side sewers | Feb 23, 2028 |
| Rochester, WA | ECONOMY SEPTIC & CONSTR INC | ECONOSC965RP | Sanitation system / side sewers | Jan 7, 2027 |
| Silverdale, WA | ECONOMY SEPTIC SERVICES | ECONOSS901DE | Sanitation system / side sewers | Oct 17, 2026 |
| Seattle, WA | EMERALD CITY SEWER | EMERACS771J5 | Sanitation system / side sewers | Apr 25, 2027 |
| Port Townsend, WA | ENVIRO CHECK PT LLC | ENVIRCP766C1 | Sanitation system / side sewers | Mar 26, 2028 |
| Camano Island, WA | ENVIROTEK LLC | ENVIRL*934JJ | Sanitation system / side sewers | Apr 11, 2027 |
| Sumner, WA | Evergreen Pre-Cast Inc | EVERGPI901BE | Sanitation system / side sewers | Jan 5, 2028 |
| Long Beach, WA | Evergreen Septic Pumping LLC | EVERGSP851JG | Sanitation system / side sewers | Apr 7, 2027 |
| Battle Ground, WA | FIRST CALL SEPTIC SERVICES INC | FIRSTCS822BU | Sanitation system / side sewers | Jan 31, 2028 |
| Richmond, KY | FORD W HALL COMPANY INC | FORDWWH772LK | Sanitation system / side sewers | Jun 9, 2027 |
| West Richland, WA | FOUR POINT CONSTRUCTION LLC | FOURPPC841BR | Sanitation system / side sewers | Jan 19, 2028 |
| Auburn, WA | G & N SEPTIC TANK SERVICE LLC | GNSEPNS940BD | Sanitation system / side sewers | Jan 10, 2028 |
| Walla Walla, WA | Gary's Septic Tank Service LLC | GARYSST823R8 | Sanitation system / side sewers | Dec 28, 2026 |
| The Dalles, OR | GENESIS SEPTIC SOLUTIONS LLC | GENESSS805RQ | Sanitation system / side sewers | Jan 10, 2027 |
| Matlock, WA | GOLDY SEPTIC SERVICE LLC | GOLDYSS832PK | Sanitation system / side sewers | Dec 12, 2027 |
| Yelm, WA | GRADE ABOVE SEPTIC LLC | GRADEAS741CD | Sanitation system / side sewers | Feb 4, 2028 |
| Everett, WA | GREENLAKE SEWER AND DRAIN LLC | GREENSD877CF | Sanitation system / side sewers | Mar 6, 2027 |
| Newman Lake, WA | H & R COMPLETE INC | HRCOMI*972DD | Sanitation system / side sewers | Mar 4, 2027 |
| Rainier, WA | H&H ENGINEERING PLLC | HHENGEP764JP | Sanitation system / side sewers | Apr 17, 2028 |
| Gig Harbor, WA | HEMLEY'S SEPTIC TANK CLNG INC | HEMLEST061K5 | Sanitation system / side sewers | Jan 16, 2027 |
| Ellensburg, WA | HENLEY'S SEPTIC PUMPING | HENLESP764LL | Sanitation system / side sewers | Jun 16, 2028 |
| Marysville, WA | HILL'S SEPTIC SERVICE LLC | HILLSSS744CR | Sanitation system / side sewers | Feb 26, 2028 |
| Metaline Falls, WA | HORTONS ENTERPRISES | HORTOE*748JC | Sanitation system / side sewers | Jun 2, 2028 |
| Blaine, WA | I & I SERVICES GROUP LLC | IISERIS891ML | Sanitation system / side sewers | Jul 13, 2027 |
| Tacoma, WA | J BAILEY SEWER & SEPTIC INC | JBAILBS746D7 | Sanitation system / side sewers | Mar 31, 2028 |
| Mount Vernon, WA | J D J SEPTIC LLC | JDJSEDJ772N9 | Sanitation system / side sewers | Sep 6, 2027 |
| Seattle, WA | JAFCO COMPANY LLC | JAFCOCL833PW | Sanitation system / side sewers | Feb 14, 2028 |
| Burlington, WA | JENSEN SEPTIC AND EXVTN LLC | JENSESE759D8 | Sanitation system / side sewers | Apr 1, 2027 |
| Yelm, WA | JONES SEPTIC PUMPING | JONESSP775BE | Sanitation system / side sewers | Jan 5, 2027 |
| Bremerton, WA | KITSAP SEPTIC DSGN/MNTRNG INC | KITSASD953PJ | Sanitation system / side sewers | Nov 22, 2027 |
| Arlington, WA | KLEIN SEPTIC SERVICE | KLEINSS821KG | Sanitation system / side sewers | May 22, 2028 |
| Vernal, UT | KODIAK FIELD SERVICES LLC | KODIAFS788OR | Sanitation system / side sewers | Oct 30, 2026 |
| Belfair, WA | KURT'S PRECAST INC | KURTSPI923JC | Sanitation system / side sewers | May 13, 2028 |
| Greenacres, WA | LILAC CITY SEPTIC SERVICE CO | LILACCS747DK | Sanitation system / side sewers | Mar 12, 2028 |
| Ellensburg, WA | Loanes Septic Services LLC | LOANESS818JB | Sanitation system / side sewers | May 16, 2027 |
| Longview, WA | MOLECULAR INC | MOLECI*015NT | Sanitation system / side sewers | Dec 8, 2027 |
| North Bend, WA | MOUNTAIN VIEW CONSTRUCTION LLC | MOUNTVC938DM | Sanitation system / side sewers | Dec 28, 2027 |
| South Colby, WA | NEXTDOOR SEPTIC SERVICES LLC | NEXTDSS744KJ | Sanitation system / side sewers | May 11, 2028 |
| Nine Mile Falls, WA | NINE MILE SEPTIC LLC | NINEMMS790LC | Sanitation system / side sewers | Jun 26, 2027 |
| Silvana, WA | NORTH VALLEY SEPTIC SERVC LLC | NORTHVS797JO | Sanitation system / side sewers | Dec 29, 2027 |
| Monroe, WA | NORTHRUP CONSTRUCTION INC | NORTHCI077CR | Sanitation system / side sewers | Feb 19, 2028 |
| Ravensdale, WA | NORTHWEST SEPTIC SERVICES LLC | NORTHSS865BF | Sanitation system / side sewers | Jan 6, 2028 |
| Kapowsin, WA | NW SEPTIC SERVICES | NWSEPSS843LP | Sanitation system / side sewers | Jun 25, 2028 |
| Kent, WA | OLSON BROTHERS PRO-VAC LLC | OLSONBP985J2 | Sanitation system / side sewers | Jun 27, 2028 |
| Port Angeles, WA | Onsite Montrg & Insp (OMI) LLC | ONSITMI914BM | Sanitation system / side sewers | Jan 14, 2027 |
| Eastsound, WA | ORCAS SEWAGE DESIGN INC | ORCASSD123D1 | Sanitation system / side sewers | Oct 5, 2028 |
| Onalaska, WA | PIPEPROS TRNCHLS SWR & DRN LLC | PIPEPTS755KL | Sanitation system / side sewers | May 13, 2027 |
| Snohomish, WA | PNW SEPTIC SOLUTIONS LLC | PNWSESS752R2 | Sanitation system / side sewers | Dec 22, 2027 |
| Yelm, WA | PREMIER SEPTIC SERVICES LLC | PREMISS794NZ | Sanitation system / side sewers | Jul 22, 2027 |
| Roslyn, WA | R & R CABLE COMPANY | RRCABC*234LA | Sanitation system / side sewers | Apr 16, 2027 |
| Spokane, WA | RICH ULIAS EXCAVATION LLC | RICHUUE805Q1 | Sanitation system / side sewers | Mar 25, 2027 |
| Lacey, WA | ROCKLAN SEPTIC SERVICE INC | ROCKLSS994NU | Sanitation system / side sewers | Aug 31, 2027 |
| Hoodsport, WA | ROYAL FLUSH SEPTIC PUMPING LLC | ROYALFS821LA | Sanitation system / side sewers | Jun 1, 2028 |
| Anacortes, WA | SAFE HARBOR SEPTIC | SAFEHHS820JL | Sanitation system / side sewers | Jan 6, 2027 |
| Toledo, WA | SASQUATCH SEPTIC | SASQUS*755CL | Sanitation system / side sewers | Feb 13, 2027 |
| Yakima, WA | SELAH SEPTIC SERVICE | SELAHSS857JM | Sanitation system / side sewers | Mar 30, 2027 |
| Olympia, WA | SEPTIC SPECIALISTS INC | SEPTII*995LK | Sanitation system / side sewers | Apr 4, 2027 |
| Ellensburg, WA | SEPTIC TECHNOLOGY INC | SEPTITI075CB | Sanitation system / side sewers | Dec 23, 2026 |
| Anderson Island, WA | SHELTER CONSTRUCTION INC | SHELTCI824C8 | Sanitation system / side sewers | Feb 28, 2028 |
| San Bernardino, CA | SONCO CONSTRUCTION INC | SONCOCI744O3 | Sanitation system / side sewers | Sep 23, 2028 |
| Aberdeen, WA | STANGLAND CONST INC | STANGC*245CL | Sanitation system / side sewers | Mar 26, 2028 |
| Post Falls, ID | STEADFAST SEPTIC | STEADS*745O9 | Sanitation system / side sewers | Sep 30, 2028 |
| Auburn, WA | STREEPY SEPTIC DESIGN LLC | STREESD789M2 | Sanitation system / side sewers | Aug 8, 2028 |
| Snohomish, WA | SULTAN PUMPER SEPTIC | SULTAPS930B4 | Sanitation system / side sewers | Apr 19, 2027 |
| Kent, WA | SUNSET SEPTIC TANK CO INC | SUNSEST253OZ | Sanitation system / side sewers | Dec 27, 2027 |
| Athol, ID | TAP SEPTIC LLC | TAPSESL752J2 | Sanitation system / side sewers | Apr 24, 2027 |
| Stamford, CT | UNITED RENTALS (NO AMRCA) INC | UNITERN814QN | Sanitation system / side sewers | Nov 8, 2027 |
| Yakima, WA | VALLEY SEPTIC SERVICE LLC | VALLESS856C3 | Sanitation system / side sewers | Feb 23, 2027 |
| Walla Walla, WA | WALTS PLUMB & SPTC TK SRV LLC | WALTSPS001DH | Sanitation system / side sewers | Mar 12, 2027 |
| Pasco, WA | WARTHOG SEPTIC LLC | WARTHSL745DK | Sanitation system / side sewers | Mar 16, 2028 |
| Wenatchee, WA | ZIMMERMAN CONSTRUCTION LLC | ZIMMECL753J1 | Sanitation system / side sewers | Apr 21, 2027 |
Alphabetical order — this site ranks no one. Active company registrations in the L&I contractor files of October 2, 2026. Contractors registered as individuals are not on this site. How to read this.