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Septic Tank Services in Washington

Find licensed septic tank companies across Washington. Select your city to compare local providers and get free quotes for pumping, repair, inspection, and installation.

627 cities covered Free quotes available
Show all 627 cities in Washington
EverettSpokane ValleyRentonFederal WayKirklandAuburnWenatcheePascoRedmondLongviewMount VernonSouth HillSammamishLakewoodRichlandShorelineLaceyBurienBothellPuyallupEdmondsLake StevensLynnwoodIssaquahParklandGrahamUniversity PlaceSpanawayWalla WallaDes MoinesSeaTacPullmanOrchardsMaple ValleyCamasTumwaterMoses LakeMill Creek EastFredericksonMercer IslandBainbridge IslandOak HarborKenmoreEastmontNorth LynnwoodHazel DellMountlake TerraceUnion Hill-Novelty HillMartha LakeCottage LakeSilver FirsBonney LakeBothell WestBattle GroundTukwilaMukilteoCovingtonFive CornersArlingtonMill CreekEllensburgSilverdalePort AngelesSalmon CreekMonroeCentraliaAnacortesFairwoodBryn Mawr-SkywayWest RichlandWashougalCamanoPort OrchardAberdeenSunnysideLyndenFerndaleLakeland NorthLake StickneyWhite CenterBothell EastElk PlainEast WenatcheeArtondaleSnoqualmieWoodinvilleRidgefieldLake Forest ParkLakeland SouthEdgewoodNewcastleSedro-WoolleyCheneyEnumclawLake TappsLiberty LakeKelsoEast Renton HighlandsGig HarborPoulsboPrairie RidgeMinnehahaAirway HeightsGrandviewLake Morton-BerrydaleYelmFifeMaltbyFelidaBirch BayMount VistaSumnerSheltonPort TownsendAlderwood ManorPicnic PointSnohomishTerrace HeightsBurlingtonVashonDuPontCollege PlaceTehalehMidlandOrtingMiltonHoquiamOthelloSummitToppenishBarbertonEphrataDuvallSummit ViewSelahStanwoodSequimQuincyNorth BendClarkston Heights-VinelandWallerChehalisClover CreekOcean ShoresClarkstonFircrestPacificLake ShoreWoods CreekMeadParkwoodWollochetSteilacoomNormandy ParkUnion GapHobartBrierWoodlandTanglewildeProsserCountry HomesHockinsonTracytonSultanBlaineSudden ValleyBlack DiamondManchesterRochesterMaplewoodFinleyLake GoodwinOtis Orchards-East FarmsWest Clarkston-HighlandBuckleySuncrestConnellOmakPrairie HeightsColvilleMedical LakeChain LakeTown and CountryWaunaDeer ParkEast Port OrchardGranite FallsLongbranchMoxeeCascade ValleyBoulevard ParkBelfairWapatoMoses Lake NorthLarch WayLexingtonBethelLongview HeightsChelanVenersborgRosedaleEsperanceMontesanoMaple Heights-Lake DesireSuquamishThree LakesMirrormontCanyon CreekPort Hadlock-IrondaleLa CenterAhtanumMarietta-AlderwoodSunnyslopeGrangerBenton CityBunk FossMattawaBurbankLake HolmKey CenterGoldendaleElmaIndianolaWarm BeachFox IslandForksHansvilleChicoCashmereLake CassidyGrand MoundClearviewAlgonaRaymondCentral ParkHigh BridgeZillahPort Angeles EastClyde HillKalamaEversonLochsloySisco HeightsMeadowdaleCanterwoodMedinaPort LudlowPeaceful ValleyEatonvilleGleedDesert AireDaytonFriday HarborArlington HeightsColfaxAldertonNavy Yard CityBryantChewelahWardenFobes HillLeavenworthWhite SalmonMabtonBrush PrairieNorth YelmKingstonOkanoganShadow LakeLewisvilleRainierBurleyAllynGold BarEnetaiCarnationBig LakeCarsonSouthworthMeadow GladeWestportCastle RockCosmopolisSouth CreekKitsap LakeNewportNapavineWinlockOcean ParkWalla Walla EastMcClearyGenevaCathcartFern PrairieTeninoCoupevilleCle ElumMillwoodKayak PointSouth BendRitzvilleFords PrairieStansberry LakeBeacon HillLofallNooksackBridgeportLong BeachDavenportRiverbendRocky PointGarrettAmboyYacoltRoyal CityHomeDuluthNorth PuyallupBrewsterFall CityOrovilleDallesportStevensonTietonCoulee DamCavaleroLakeviewKettle FallsWilderness RimLake Marcel-StillwaterFreelandSumasSoap LakeMansonMonroe NorthAnderson IslandFife HeightsClintonDarringtonSunday LakeIlwacoPomeroyMcMillinPurdyPoint RobertsEntiatMachiasClear LakeCrockerRock IslandWoodwayWatervilleAmes LakeRustonLake KetchumCarlsborgSouth WenatcheeKittitasMortonYarrow PointTwispBasin CityMarrowstonePalouseWest PascoNorth BonnevilleGrapeviewWaitsburgRoslynNachesLangleyBell HillAsotinPuget IslandTonasketRepublicBrowns PointNeah BayEast CathlametGrand CouleeLake BosworthLoon LakeDash PointOakvilleMossyrockLa ConnerErlands PointOnalaskaWilburTaholahConcreteBradyRiverpointElectric CityLake RoesigerMay CreekBuenaSeabeckOdessaSatsopCherry GroveRoche HarborBrinnonRiver RoadVaughnSwede HeavenVaderRoyReardanTrout LakeGraylandCarbonadoTekoaAlgerCopalis BeachGeorgeMcKennaHarrahKendallBingenEastonNisqually Indian CommunityPort Gamble Tribal CommunityFairfieldCathlametSt. JohnTampicoClallam BayOutlookWhite SwanBowPaterosSpragueSouth Cle ElumBay ViewLake McMurrayDemingLindSkokomishTouchetStartupWilkesonGorstToledoChinookPe EllCurlew LakeNaselleRosburgMaloneRosaliaMesaKlickitatAlbionBucodaRockfordCusterGarfieldRiversideMarine ViewHarringtonKapowsinUnionIncheliumCohassett BeachSpringdaleMalottCoulee CityLymanLebamHattonSnoqualmie PassEndicottWinthropNorth OmakWishramIoneRyderwoodUniontownOakesdaleJamestownPrescottSchwanaCowicheQuilceneMetaline FallsAlmiraNespelem CommunityLaCrosseBeverlyNorth SultanSkamokawa ValleyNileBanks Lake SouthGlacierRaft IslandElmer CityGreen BluffColtonSpangleFour LakesAshfordSouth PrairieAberdeen GardensLake CavanaughNeiltonMansfieldWashtucnaMarblemountHunts PointLa GrandeLower ElochomanCrescent BarHamiltonEdisonBarstowOsoMarcusCrestonOcostaLatahChelan FallsBeaux Arts VillageThorpWheelerVerlotAcmeKeyportLyleHoodsportKellerMaple FallsWilson CreekBay CenterRooseveltRavensdaleGrays RiverGlenwoodOcean CityHartlineConconullyEschbachBaringIndexWillapaLamontWaverlyMarkhamNorthportSteptoeCliffdellPorterCougarNespelemMetalineDeep RiverWallulaFarmingtonHumptulipsClaytonLoomisValleyQui-nai-elt VillageBlynCusickDixieCurlewKahlotusTokelandRonaldHerron IslandAddyParkerTwin LakesOyehutDonaldMaldenPackwoodSantiagoAlderRockportStarbuckSkykomishSunland EstatesOrientAmanda ParkMoclipsCentervilleNorthwest StanwoodBickletonPatahaGreenwaterMethowQueetsTorboyUpper ElochomanConwayAltoonaMaloDisautelKruppMaryhillDanvilleMineralAnatonePacific BeachPine GroveVantageSekiuKetron IslandLaurierSilvanaHat IslandElbeBoyds

Septic Tank Services in Washington — FAQs

How much does septic tank pumping cost in Washington?

Septic pumping costs in Washington typically range from $325–$600 for a standard 1,000-gallon tank. With volcanic, glacial, and coastal soils soils and wet western / dry eastern — drainage varies greatly conditions, costs can vary between urban and rural areas. Use our city pages to find accurate local pricing from companies near you.

Is septic tank pumping required by law in Washington?

O&M program requires inspection every 1–3 years depending on type. The Washington DOH oversees septic regulations statewide. For property sales: Required statewide for property sale. Most experts recommend pumping every 3–5 years regardless of local mandates — according to the EPA, regular pumping is the most important maintenance for any septic system.

How do I find a licensed septic company in Washington?

Washington licenses septic contractors and pumpers through the Washington DOH. Always verify a contractor's license before hiring. In Washington, where ~25% of homes rely on septic systems, there are typically multiple licensed providers in most areas. Our directory lists verified local companies across Washington with contact info, ratings, and reviews.