Septic Services in Seattle, WA

Seattle septic services typically range from $474.65 to $475.45 depending on the service type and tank size. Compare 35 contractors below.

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Septic Contractors in Seattle

Puget Sound Septic work photo

Puget Sound Septic

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Septic pumping and inspection services in Maple Valley, WA, including tank installation, servicing, and emergency repairs. Emergency services available.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Seattle, King County, WA
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Pro Sewer Repair work photo

Pro Sewer Repair

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Expert sewer and drain cleaning, repair, and inspection services for Seattle area homes and businesses. Offering trenchless solutions, pipe bursting, and water line repair since 2017.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Free estimatesSeattle, Shoreline, Everett, Mountlake Terrace, Edmonds, Lynnwood, Snohomish, Bellevue, Kirkland, Bothell, Kenmore, Redmond
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Brewer's Sewer Repair work photo

Brewer's Sewer Repair

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Brewer Sewer Repair provides sewer and drain services including repairs, replacements, and emergency repairs. They are a licensed company serving the Seattle, WA area.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Free estimatesSeattle, WA
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Knight Rooter Sewer & Drain Cleaning Services work photo

Knight Rooter Sewer & Drain Cleaning Services

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Sewer and drain cleaning services in Seattle, WA, offering 24/7 emergency repairs for sewer lines, drain pipes, and trenchless replacements. Services include hydro jetting and camera inspections.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
BondedLicensedInsured
Free estimatesSeattle, Ballard, Magnolia, West Seattle, Queen Anne, University Village, Shoreline, Lake City, Edmonds, Bellevue, Mill Creek, Kirkland, Bothell, Lynnwood, Everett, Woodinville, Kenmore, Mukilteo, Redmond, Snohomish, Hunts Point, Clyde Hill, Somerset, Totem Lake, Medina, Mercer Island, North Creek, Marysville, Mountlake Terrace, Lake Stevens, Sammamish, Issaquah, Yarow Point, Newcastle, Renton, WA
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Clearline Sewer Repair work photo

Clearline Sewer Repair

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Sewer and drain repair specialists in Seattle, WA offering trenchless and traditional repair methods for residential properties.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
licensed and insured
Free estimatesGreater Seattle-Bellevue-Tacoma-Everett and Metro Area, WA
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Amman Septic Designs Inc. work photo

Amman Septic Designs Inc.

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Tooley Septic Design is a septic system design company in King County, WA that specializes in innovative septic designs for new construction, repair designs, and subdivision projects.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
King County, WA including Auburn, Black Diamond, Maple Valley, Ravensdale, Renton, Issaquah, Sammamish, North Bend, Fall City, Redmond, Woodinville, Seatac, Burien, Federal Way and surrounding areas
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Pacific Custom Sewer and Drainage work photo

Pacific Custom Sewer and Drainage

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Providing expert sewer line repair, replacement, and drain cleaning services in Seattle, WA. We offer trenchless solutions, hydro jetting, and emergency plumbing, including sump pump installation and repair.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Free estimatesSeattle, Bellevue, Redmond, Bothell, Mercer Island, and surrounding areas in Washington
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Upfront Septic & Plumbing work photo

Upfront Septic & Plumbing

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Providing comprehensive septic services including pumping, inspection, repair, and installation in Seattle, WA. We offer transparent, upfront pricing for all drain field and sewer line needs.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
licensed local contractorlicensed septic contractor
King County and Pierce County
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2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air work photo

2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air

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Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
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Fresh N Clean Septic work photo

Fresh N Clean Septic

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Providing professional septic system inspection, pumping, cleaning, maintenance, and repair services in Woodinville and the greater Snohomish and King Counties area. Fresh N Clean Septic focuses on customer education and environmental responsibility.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed
Greater Snohomish and King Counties
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Septic Solutions LLC work photo

Septic Solutions LLC

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The company provides professional septic system installation, upgrades, and maintenance. They offer 24/7 emergency septic repair services.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Master Installer licensePumper licenseMaintenance license
Snohomish County, Seattle
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Septic Response work photo

Septic Response

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Septic Response provides septic tank maintenance, pumping, and pump replacement services in Kirkland.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
certified professionals
Kirkland
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Septic Response Plumbing & Sewer work photo

Septic Response Plumbing & Sewer

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Septic Response provides residential septic inspection services in Snohomish County. They employ licensed inspectors to perform these inspections.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Snohomish County licensed septic inspectorsCertified septic inspectors
Snohomish County
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Blackwater Services - Septic System Service work photo

Blackwater Services - Septic System Service

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Blackwater Services is a licensed, insured, and women-owned septic company that specializes in septic pumping, repair, inspection, new system installation, and aerobic treatment unit (ATU) maintenance. They offer a protection-first model featuring system health scoring, predictive risk assessments, and proactive maintenance plans.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Certified Septic Inspections
Snohomish, Skagit, and Island Counties in Washington State
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ACES FOUR Enterprises - Sewer Repair & Replacement work photo

ACES FOUR Enterprises - Sewer Repair & Replacement

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Aces Four is a family-owned excavation and underground utility contractor that has been serving the Greater Seattle area since 1978. They specialize in sewer, drainage, water-line, excavation, and demolition services.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
LicensedBondedInsured
Free estimatesSeattle, Lynnwood, SeaTac, Burien, Kirkland, Renton, Bellevue, Mercer Island, Shoreline, Bothell, Kenmore, Kent, Lake Forest Park, and surrounding cities in Greater Seattle, Washington
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All County Septic Service work photo

All County Septic Service

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Septic services including pumping, repairs, installation, and inspections in Everett, WA, with 24/7 emergency availability.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Health Department CertifiedFHA & VA Certifications
Snohomish County, Washington
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Sunset Septic Tank Co work photo

Sunset Septic Tank Co

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Sunset Septic Tank Co. provides pumping, installation, and repairs for homes and businesses in King and Kittitas County.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
licensed professionals
King and Kittitas County
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seattle drain service work photo

seattle drain service

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Seattle Drain Service is an underground utility and drainage contractor specializing in the repair, installation, and cleaning of sewers, French drains, and trench drains. They utilize trenchless methods such as pipe bursting and lining to perform repairs without excavating yards.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed, Bonded and Insured Washington Contractor License #SEATTDP916CD
Seattle
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Everett Grease Trap Services work photo

Everett Grease Trap Services

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Everett Grease Trap Services specializes in grease trap cleaning services. They provide pumping and cleaning for grease traps and interceptors.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
City of Everett Permitted Transporter
Free estimatesEverett
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Cuz Concrete Products, Inc. work photo

Cuz Concrete Products, Inc.

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Cuz Concrete Products offers septic system services and precast concrete products in Arlington, WA.

Septic SystemsNew System InstallationWastewater Treatment
Washington, Oregon, and Idaho
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The Grease Group work photo

The Grease Group

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Grease trap, interceptor, and holding tank cleaning services for restaurants and food businesses in Lake Stevens, WA. Emergency services are available.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
fully licensedbondedinsured
Everett, Bothell, Bellevue, Lake Stevens, Greater Seattle, Snohomish County, King County
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A Advanced Septic & Construction Services work photo

A Advanced Septic & Construction Services

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A Advanced Services provides septic, electrical, and construction services. They serve multiple cities in Washington state.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed & CertifiedCertified Specialists
Free estimatesAuburn, Tacoma, Puyallup, Bonney Lake, Sumner, Enumclaw WA
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Mr. Rooter Plumbing of Seattle work photo

Mr. Rooter Plumbing of Seattle

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Chain plumbing company specializing in residential and commercial jobs such as drainage issues, leaky pipes, blocked drains, and faucet replacement.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
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AAA Septic & Plumbing LLC. work photo

AAA Septic & Plumbing LLC.

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Septic and plumbing services including pumping, repair, and installation for drainfields and sewer lines in Auburn, WA.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed & CertifiedA+ rating from Better Business Bureau
King, Pierce, Snohomish, and Thurston Counties, Washington; Puyallup and Tacoma areas
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Jafco Plumbing and Sewer work photo

Jafco Plumbing and Sewer

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Full-service plumbing and sewer company offering repair, maintenance, and installation for residential and commercial properties in Seattle, WA and surrounding areas.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
licensedbondedinsured
Seattle, WA and greater Seattle area
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Sewer Friendly work photo

Sewer Friendly

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Sewer Friendly provides sewer and water line inspection, repair, and replacement services. They specialize in trenchless sewer repair and drain cleaning.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
License #SEWERFL916MS
Free estimatesKing & Snohomish County
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Green Planet Plumbing & Sewer, LLC work photo

Green Planet Plumbing & Sewer, LLC

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Green Planet Plumbing & Sewer delivers responsible, eco-friendly plumbing solutions.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Seattle, WA
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Green Latrine work photo

Green Latrine

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Providing porta potty rentals and RV pumping services in Seattle, WA. Offers standard and accessible portable restrooms, luxury trailers, and weekly cleaning and servicing for events and job sites.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Seattle, Washington
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A Wesco Septic Services work photo

A Wesco Septic Services

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A Wesco Septic, Inc. is a second-generation family-owned business providing septic services including pumping, inspections, and repairs. They offer 24/7 emergency dispatch and have been operating since 1989.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
fully licensedinsured
Snohomish County, King County, and Camano Island
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Klein Septic Service work photo

Klein Septic Service

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Klein Septic Service provides septic pumping, inspections, and repairs in Arlington, WA.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
LicensedBondedInsured
Free estimatesArlington, WA
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Express Septic Services work photo

Express Septic Services

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Express Septic Service is a family-run, full-service septic company serving Kitsap, Pierce, and North Mason counties. They are licensed, bonded, and insured.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed, bonded and insuredCertified by Kitsap County Health DepartmentCertified by Pierce County Health Department
Kitsap, Pierce & North Mason counties
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Seattle Grease Trap Services work photo

Seattle Grease Trap Services

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Providing grease trap and interceptor pumping, cleaning, installation, and repair services for commercial kitchens and industrial facilities in Seattle. We also offer used fryer oil recycling.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
City of Seattle Permitted Transporterlicensed, bonded and insured
Free estimatesSeattle, King County, Pierce County; service areas include Pioneer Square, Squire Park, Atlantic, Leschi, Mt. Baker, North Beacon Hill, Montlake, Industrial District, Rainier Vista, Central District, Madrona, Miller Park, Madison Valley, Capitol Hill, Westlake, Queen Anne, Lower Queen Anne, East Queen Anne, Arboretum; zip codes 98134, 98144, 98122, 98109
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A1 Septic Service work photo

A1 Septic Service

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A1 Septic Service is a family-owned business that has been operating since 1998. They provide septic tank pumping, inspections, and repairs with same day or next day service availability.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed & Insured
Snohomish and King County
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Evergreen Sanitation work photo

Evergreen Sanitation

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Well reviewed

Providing comprehensive septic services including pumping, cleaning, repair, and replacement in Lake Stevens, WA. Evergreen Sanitation also offers grease trap cleaning, real estate inspections, and porta potty rentals.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Trained by Washington On-Site Sewage AssociationCertified by Local Health JurisdictionsA+ rating from Better Business Bureau
Woodinville, Redmond, Issaquah, and surrounding cities in western Washington including King, Snohomish, and Pierce counties
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Evergreen Sanitation Inc

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Providing comprehensive septic services including pumping, cleaning, repair, and real estate inspections for Seattle and western Washington residents and businesses since 1957. Also offering grease trap cleaning, sump pump replacements, and portable toilet rentals.

Septic PumpingSeptic InstallationSeptic Service
Washington On-Site Sewage Association trained techniciansLocal Health Jurisdictions certification
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Greater Seattle’s septic market is concentrated in Snohomish, Pierce, Thurston, and Kitsap counties, where tens of thousands of homes outside municipal sewer service areas depend on onsite wastewater treatment. The Puget Sound region’s environmental sensitivity drives some of the most rigorous septic oversight in the western United States. Washington’s Department of Health sets statewide standards, while local health jurisdictions — including the Snohomish Health District, Tacoma-Pierce County Health Department, and Thurston County Environmental Health — administer permitting, inspection, and enforcement programs tailored to their specific geographic and environmental conditions.

The Pacific Northwest’s wet climate is the defining factor for septic system performance in the Seattle metro. Annual precipitation ranges from 37 inches in the city to over 50 inches in foothill areas, with the majority falling between October and April in prolonged, steady rain events rather than intense storms. This creates extended periods of soil saturation that challenge drain field capacity, particularly in the region’s glacial till soils — dense, compacted clay and gravel deposits left by the Cordilleran ice sheet. Sandy outwash soils in river valleys drain well, but the till soils that cover much of the upland areas require careful system design, often incorporating pressure distribution or sand-lined drain fields. The region’s mild winters rarely produce deep frost, but constant moisture is a more persistent stressor than freezing.

Pump-out pricing in the Seattle metro typically ranges from $425 to $525 for a standard 1,000-gallon tank, reflecting the region’s higher labor and operating costs. The environmentally conscious market creates strong demand for advanced treatment technologies, and many jurisdictions require enhanced nutrient removal for systems near Puget Sound or its tributaries. Gravity systems, pressure distribution fields, mound systems, and sand filters are all common across the metro. Communities like Lake Stevens, Yelm, Graham, Bonney Lake, and Stanwood have some of the highest septic densities in the region, and homeowners in these areas should expect regular monitoring requirements and plan for pump-outs every three to five years.

Frequently Asked Questions

How much does septic tank pumping cost in Seattle?

Septic tank pumping in Seattle averages around $475.00. Prices typically range from $474.65 to $475.45 depending on tank size, access difficulty, and whether emergency or weekend service is needed.

How often should I pump my septic tank in Seattle?

Most households should pump their septic tank every 3-5 years. Factors that affect frequency include household size, tank capacity, water usage, and use of garbage disposals. A Seattle septic professional can recommend an appropriate schedule based on your system.

What are signs of septic system problems?

Warning signs include slow drains throughout the house, sewage odors in the yard or home, standing water or soggy spots near the drain field, gurgling sounds in plumbing, and unusually green grass over the drain field. If you notice these signs, contact a Seattle septic contractor promptly.

What does septic pumping include in Seattle?

Septic pumping in Seattle includes locating and uncovering the tank access lid, pumping out all solid and liquid waste, inspecting the tank interior for cracks or damage, and checking inlet and outlet baffles. Most Seattle contractors charge around $475.00 for a standard pump-out and inspection.

How do I find a reliable septic pumping service in Seattle?

Look for licensed, insured contractors with strong local reviews. Seattle has 35 septic service providers listed on PumpLocal — compare ratings, pricing, and services to find the right fit. Ask about response times, tank size limits, and whether they include a post-pump inspection.

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