Metropolitan Sewer Service

Septic Company in Seattle, Washington

4(42 reviews)
(206) 542-54663635 Thorndyke Ave W, Ste F, Seattle, WA 98119View on Yelp
Metropolitan Sewer Service - septic in Seattle, WA

Customer Reviews

4
out of 5
42 reviews

Based on Yelp ratings

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About Metropolitan Sewer Service

Metropolitan Sewer Service is a Seattle-based provider with a 4.0 rating across 42 reviews, offering plumbing, gutter services, and septic work to residential and commercial customers in the Pacific Northwest. Seattle's geography puts many properties on hillside lots or near water, where septic systems and drainage require extra attention. The combination of plumbing and septic expertise under one roof is useful for property owners who aren't always sure whether a problem starts inside the house or in the system outside. Reach them at (206) 542-5466.

Services

Plumbing
Gutter Services
Septic Services

Services & Process

Metropolitan Sewer Service handles septic tank pumping, inspections, and sewer line services for Seattle-area properties still on private systems, particularly in outlying neighborhoods and properties east of the city. Their plumbing services extend their reach to interior drain problems, sewer line repairs, and connections between the house and the septic or sewer system. Gutter services are also part of their offering, which matters in Seattle's rainy climate where poor drainage around a home can put additional stress on septic drain fields. This multi-service approach makes them a practical call for complex drainage situations.

Service Area

Metropolitan Sewer Service is based in Seattle and serves customers throughout King County and neighboring areas. Shoreline, Burien, Renton, and unincorporated communities around the city are within their service range. They're also equipped to handle properties further east toward Issaquah and Sammamish where private septic systems are more common.

Frequently Asked Questions

Does my Seattle property use a septic system or the city sewer?
Most properties within Seattle city limits are connected to the King County sewer system, but homes in outlying neighborhoods, on larger lots, or in unincorporated areas around the city may still have private septic. Your property records or King County's online parcel data can confirm your connection status.
How does Seattle's heavy rainfall affect septic drain fields?
The Pacific Northwest's wet winters can saturate soil and reduce the drain field's ability to absorb and treat effluent, especially on clay-heavy or poorly draining soils. Making sure your gutters and surface drainage direct water away from the septic area is one of the simplest things you can do to protect your system.
What does a 4.0-rated septic provider do differently?
Consistent ratings usually reflect clear communication, showing up when scheduled, and being honest about what work is actually needed. In a market like Seattle where customers have plenty of options, providers who build that kind of trust tend to retain customers over time.
Can a plumber and septic technician be the same person?
In Washington State, septic system work and plumbing are separate license categories, so larger providers often have staff certified in both areas. When one company holds both credentials, they can legally perform and coordinate the full scope of work without subcontracting.
How does a gutter service relate to my septic system?
Gutters that drain near your septic drain field can add significant water volume to the soil, effectively reducing the field's capacity to handle household wastewater. Redirecting downspouts away from the drain field is a straightforward fix that can meaningfully extend the life of your system.
What should commercial property owners in Seattle know about septic maintenance?
Commercial properties typically generate more wastewater than residential ones, so tank pumping schedules need to be more frequent, often annually or even quarterly for high-use facilities. Washington State also requires certain commercial systems to be on a permitted maintenance program with documented service records.

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