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 38 contractors below.

Septic Contractors in Seattle

A Wesco Septic Services

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A Wesco Septic is a full-service septic tank and wastewater maintenance company serving Snohomish County, King County, and Camano Island. They provide pumping, inspections, repairs, and maintenance contracts for residential and commercial septic systems.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
fully licensedinsured
Rating
★★★★★5 (1)
Service Area
Snohomish County, King County, and Camano Island, including: Bellevue, Bothell, Mill Creek, Carnation, Duvall, Edmonds, Fall City, Issaquah, Kenmore, Kirkland, Lynnwood, Mercer Island, Mountlake Terrace, Preston, Redmond, Renton, Woodinville, Sammamish, Seattle, Shoreline, Burien, Tukwila, Stanwood, Goldbar, Sultan, Everett, Arlington, Granite Falls, Lake Stevens, Marysville, Monroe, Mukilteo, Snohomish, Tulalip, SeaTac

The Grease Group

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The Grease Group is a family-owned grease trap cleaning company serving the Seattle area since 1966. They provide expert grease interceptor, holding tank, and grease trap cleaning services for restaurants and food-related businesses.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
fully licensedbondedinsured
Rating
★★★★★5 (10)
Service Area
Everett, Bothell, Bellevue, Lake Stevens, Greater Seattle, Snohomish County, King County

Everett Grease Trap Services

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Everett Grease Trap Services is a commercial grease trap and interceptor pumping and cleaning company serving the Everett, Washington area. They specialize in grease trap maintenance, cleaning, and pumping for restaurants, schools, and food service facilities.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
City of Everett Permitted Transporter
Rating
★★★★★5 (13)
Service Area
Everett, Washington and surrounding areas including Riverside, Bayside, Delta, Northwest Everett, Port Gardner, Everett Junction, South Forest Park, View Ridge, Madison, Glacier View, Lowell, Pinehurst-Beverly Park, Darlington Boulevard, Bluffs, Edgewater, Evergreen; zip codes 98205, 98203, 98201

Puget Sound Septic

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Puget Sound Septic is a locally owned septic tank and wastewater service company serving the Seattle area and King County, WA. They provide expert septic inspections, emergency pumping, tank installation, and system maintenance with 24/7 availability.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Rating
★★★★★5 (323)
Service Area
Seattle, King County, WA

Upfront Septic & Plumbing

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Upfront Septic provides transparent, upfront pricing for septic tank pumping, inspection, and repair services in the Pierce County area. Founded to offer honest service and fair pricing as an alternative to overcharging national companies.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
licensed local contractorlicensed septic contractor
Price
From $550.00
Rating
★★★★★5 (31)
Service Area
King County and Pierce County

Sunset Septic Tank Co

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Sunset Septic Tank Co. Inc. is a septic tank and system cleaning company in Kent, Washington providing septic pumping, installation, repairs, and maintenance for residential and commercial customers in King and Kittitas County.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
licensed professionals
Rating
★★★★★5 (17)
Service Area
Kent, WA and nearby areas; King and Kittitas County; South King County and surrounding communities

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
Rating
★★★★★5 (78)
Service Area
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

Septic Response Plumbing & Sewer

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Septic Response provides licensed septic inspection and pumping services in Snohomish County, Washington. They conduct comprehensive residential septic inspections and maintenance to ensure systems function properly and meet safety standards.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Snohomish County licensed septic inspectorsCertified septic inspectors
Rating
★★★★★5 (21)
Service Area
Snohomish County, Washington; King County, Washington

Pro Sewer Repair

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Pro Sewer Repair is a family-owned sewer and drain service company providing expert residential and light commercial sewer repair, cleaning, and inspection services in the Seattle region since 2017.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Rating
★★★★★5 (262)
Service Area
Seattle, Shoreline, Everett, Mountlake Terrace, Edmonds, Lynnwood, Snohomish, Bellevue, Kirkland, Bothell, Kenmore, Redmond

Knight Rooter Sewer & Drain Cleaning Services

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Knight Rooter LLC is a sewer and drain cleaning service company offering 24/7 emergency services for residential and commercial clients. They specialize in drain cleaning, sewer line repair and replacement, hydro-jetting, camera inspections, and trenchless technology solutions.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
BondedLicensedInsured
Rating
★★★★★5 (236)
Service Area
Seattle, 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

seattle drain service

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Seattle Drain Service is a water, sewer, and drainage contractor specializing in trenchless pipe repair, hydro jetting, drain cleaning, and foundation drainage solutions for residential and commercial properties.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed, Bonded and Insured Washington Contractor License #SEATTDP916CD
Price
From $349.00
Rating
★★★★★5 (14)
Service Area
North Seattle, Edmonds, Bothell, Kenmore, Kirkland, Bellevue, Lynnwood, Mukilteo

Pacific Custom Sewer and Drainage

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Pacific Custom Sewer & Drainage is a locally owned plumbing company in Seattle, WA that provides fast, affordable residential and commercial plumbing services including sewer line repairs, drain cleaning, and emergency plumbing solutions.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Rating
★★★★★5 (73)
Service Area
Seattle, Bellevue, Redmond, Bothell, Mercer Island, and surrounding areas in Washington

Clearline Sewer Repair

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Clearline Sewer Repair is a sewer and drain service company in Seattle, WA specializing in drain cleaning, sewer repair, and trenchless pipe solutions for residential properties.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
licensed and insured
Rating
★★★★★5 (161)
Service Area
Greater Seattle-Bellevue-Tacoma-Everett and Metro Area, WA

Brewer's Sewer Repair

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Brewer's Sewer Repair is a locally owned trenchless sewer expert providing same-day inspections, emergency repairs, and 24/7 sewer line repair and replacement services for residential properties.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Rating
★★★★★5 (239)
Service Area
Seattle, Washington area (King County)

Septic Response

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Septic Response is a premier septic servicing company in the Pacific Northwest that provides comprehensive septic tank pumping, maintenance, inspection, and repair services for residential and commercial properties.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
certified professionals
Rating
★★★★★4.9 (220)
Service Area
King County, Snohomish County, Pierce County, Washington; Kirkland

Cuz Concrete Products, Inc.

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Cuz Concrete Products is a manufacturer and distributor of precast concrete solutions and septic services, providing durable products reinforced with quality service and customer satisfaction.

Septic SystemsNew System InstallationWastewater Treatment
Rating
★★★★★4.9 (35)
Service Area
Washington, Oregon, and Idaho

Septic Solutions LLC

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Septic Solutions LLC provides septic system pumping, installation, repair, and maintenance services across the Pacific Northwest with 24/7 emergency response. They serve Island, King, Skagit, and Snohomish counties with a focus on preventive maintenance and system diagnostics.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Master Installer licensePumper licenseMaintenance license
Rating
★★★★★4.9 (377)
Service Area
Island, King, Skagit, and Snohomish counties, Washington

Blackwater Services - Septic System Service

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Fast, reliable septic system services including pumping, inspections, repairs, and installations serving Snohomish and Skagit counties with 24/7 emergency availability.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Certified Septic Inspections
Rating
★★★★★4.9 (111)
Service Area
Snohomish and Skagit counties

Fresh N Clean Septic

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Fresh N Clean provides reliable, professional septic tank and wastewater system services in the greater Snohomish and King Counties area. They offer inspection, pumping, cleaning, maintenance, and repair services with a focus on customer education and environmental responsibility.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed
Rating
★★★★★4.9 (605)
Service Area
Greater Snohomish and King Counties

All County Septic Service

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All County Septic Tank Pumping is a premier septic tank and system pumping company based in Snohomish County, WA specializing in septic pumping, repairs, and installations with 24/7 emergency service.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Health Department CertifiedFHA & VA Certifications
Rating
★★★★★4.9 (81)
Service Area
Snohomish County, Washington

ACES FOUR Enterprises - Sewer Repair & Replacement

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ACES FOUR is a family-owned sewer and drainage contractor in Greater Seattle specializing in installing, cleaning, and repairing sewer and drainage systems, as well as excavation and demolition services for residential and commercial properties.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
LicensedBondedInsured
Rating
★★★★★4.9 (104)
Service Area
Seattle, Lynnwood, SeaTac, Burien, Kirkland, Renton, Bellevue, Mercer Island, Shoreline, Bothell, Kenmore, Kent, Lake Forest Park, and surrounding cities in Greater Seattle, Washington

AAA Septic & Plumbing LLC.

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AAA Septic and Plumbing LLC is a family-owned wastewater service provider specializing in septic pumping, repair, installation, drainfield services, and sewer solutions across Western Washington. They offer 24-hour emergency response and comprehensive septic and plumbing services backed by years of experience.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed & CertifiedA+ rating from Better Business Bureau
Rating
★★★★☆4.8 (288)
Service Area
King, Pierce, Snohomish, and Thurston Counties, Washington; Puyallup and Tacoma areas

A Advanced Septic & Construction Services

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A Advanced Septic & Construction Services is a family-owned wastewater and septic solutions company providing septic tank pumping, drain cleaning, drainfield restoration, electrical, and construction services throughout Western Washington since 2006.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed & CertifiedCertified Specialists
Rating
★★★★☆4.8 (2829)
Service Area
Auburn, Puyallup, Tacoma, Bonney Lake, Sumner, Orting, Edgewood, Olympia, Gig Harbor, Enumclaw, Federal Way, Washington and surrounding regions

Green Latrine

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Green Latrine is a Seattle-based porta potty rental company providing portable toilets for events and job sites with next-day delivery, weekly servicing, and eco-friendly solutions.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Rating
★★★★☆4.8 (74)
Service Area
Seattle, Washington

Jafco Plumbing and Sewer

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Jafco Plumbing and Sewer is a full-service plumbing and sewer company serving Seattle, WA and surrounding areas. They offer plumbing and sewer maintenance, repair, replacement, and installation for residential and commercial properties.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
licensedbondedinsured
Rating
★★★★☆4.8 (269)
Service Area
Seattle, WA and greater Seattle area

Green Planet Plumbing & Sewer, LLC

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Green Planet Plumbing & Sewer is an independent, locally owned plumbing company serving the Seattle area that provides comprehensive plumbing, drain cleaning, sewer repair, water heater, and gas line services with a focus on eco-friendly and sustainable solutions.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Rating
★★★★☆4.8 (163)
Service Area
Seattle, WA and surrounding communities including Edmonds, Federal Way, Bellevue, Kirkland, Mercer Island, Bothell, Kenmore, Renton, Shoreline, Tukwila, Burien, Normandy Park, Des Moines, and Seattle neighborhoods including Queen Anne, Ballard, Ravenna, Columbia City, Maple Leaf, Green Lake, Greenwood, Magnolia, Capitol Hill, Seward Park, Lake Ridge, West Seattle, and Fremont

Sewer Friendly

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Sewer Friendly LLC is a woman-owned Seattle sewer repair business providing complete sewer and water line repair and replacement services, specializing in trenchless repairs and hydro jetting drain cleaning.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
License #SEWERFL916MS
Rating
★★★★☆4.8 (204)
Service Area
Seattle, Greater Seattle, all of King County and Snohomish County

Klein Septic Service

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Klein Septic Service is a licensed, bonded, and insured septic system company specializing in residential and commercial septic solutions including pumping, inspections, repairs, installations, and portable restroom rentals.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
LicensedBondedInsured
Rating
★★★★☆4.7 (66)
Service Area
Snohomish County, Washington including Arlington, Stanwood, Marysville, Lake Stevens, Snohomish, Everett, Lynnwood, and Bothell

Express Septic Services

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Express Septic Service is a professional full-service septic company offering residential and commercial septic pumping, inspections, grease trap servicing, and drainfield repair across Kitsap, Pierce, and North Mason counties.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed, bonded and insuredCertified by Kitsap County Health DepartmentCertified by Pierce County Health Department
Rating
★★★★☆4.7 (64)
Service Area
Kitsap, Pierce, and North Mason counties

Seattle Grease Trap Services

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Seattle Grease Trap Services provides grease trap and grease interceptor pumping, cleaning, installation, and repair services for commercial kitchens, restaurants, and industrial facilities throughout the Seattle area.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
City of Seattle Permitted Transporterlicensed, bonded and insured
Rating
★★★★½4.6 (10)
Service Area
Seattle, 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

A1 Septic Service

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A1 Septic is Orlando's trusted septic tank pumping and wastewater service company providing comprehensive septic system maintenance, repairs, and installations with professional-grade equipment and expert service.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Licensed & Insured
Price
From $45.00
Rating
★★★★☆4.3 (287)
Service Area
Snohomish County and King County, Washington

Evergreen Sanitation

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Evergreen Sanitation provides septic tank cleaning, pumping, repair, and replacement services for residential and commercial customers in western Washington. They offer certified technicians trained by the Washington On-Site Sewage Association with over 50 years of experience.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Trained by Washington On-Site Sewage AssociationCertified by Local Health JurisdictionsA+ rating from Better Business Bureau
Rating
★★★★☆4.1 (49)
Service Area
Woodinville, Redmond, Issaquah, and surrounding cities in western Washington including King, Snohomish, and Pierce counties

Evergreen Sanitation Inc

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Evergreen Sanitation provides septic tank cleaning, pumping, repair, and related wastewater services for residential and commercial clients in western Washington since 1957.

Septic PumpingSeptic InstallationSeptic ServiceSeptic Inspection
Washington On-Site Sewage Association trained techniciansLocal Health Jurisdictions certificationA+ rating from Better Business Bureau
Service Area
Western Washington including King, Snohomish, and Pierce counties; Woodinville, Redmond, Issaquah and surrounding cities

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 38 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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