White Mountlake Terrace Express Plumbing service van parked on a residential street in front of a single-story house and tall evergreen trees

24/7 Emergency Line Open

Emergency Plumber in Mountlake Terrace, WA

When water is where it should not be, call (206) 864-6558. Our dispatch line answers around the clock, and we send a licensed and insured plumber to Mountlake Terrace homes, rentals and businesses.

Call (206) 864-6558 See plumbing services

24/7Emergency dispatch, nights and weekends

Same-dayAppointments when available

Clear priceGiven before work starts

Service index

Plumbing services we dispatch for in Mountlake Terrace

Most calls fall into three groups. Clogged and backing-up drains lead the list, followed by water heaters that leak or stop heating, and water heaters that are past repair. Those three have their own pages below, written around the real symptoms.

The rest of the work sits just behind them. We handle hidden leak detection, burst pipe repair, sewer line repair, toilet repair and more. Pick the closest match, or call and let the dispatcher sort it out.

01Drain CleaningSnaking, cabling and jetting for slow sinks, backed-up tubs and main-line clogs, with a clear price before any work begins.02Water Heater RepairLeaking tanks, dead pilots, tripped elements and error codes diagnosed on site, with a clear price before any repair begins.03Water Heater ReplacementFailed or flooding tanks removed and replaced with gas, electric or heat pump units, priced clearly before the old tank comes out.04Water Heater InstallationNew tank installs, vent rerouting and gas-to-electric conversions, set up with correct relief piping, venting and shutoffs.05Tankless Water HeatersFlush, descale, error codes, annual tune-ups and on-demand conversions for tankless units, with a site look before pricing.06Hydro JettingHigh-pressure water jetting scours grease, sludge and roots from sewer laterals and main drains when a cable alone will not finish the job.

See all 18 plumbing services

Water is spreading right now: do these first

Stay calm, protect yourself first, and then protect the house. These steps are the same whether it is midnight or Saturday morning.

Shut off the water at the fixture's supply stop. If you cannot find it or it will not turn, close the main shutoff.
Look for anything electrical near the water. If the floor is wet around a panel, outlets or a water heater, do not touch it. Turn off a breaker only if the floor is dry and you can reach it safely.
If a smell of gas is present, leave the building and call the gas utility or 911 from outside before you call us.
Move rugs, boxes and electronics out of the wet area and set a bucket under any drip.
Call (206) 864-6558 and tell the dispatcher what you see, where the shutoff is and whether the water has stopped.

How to tell an emergency from a problem that can wait

An emergency is water you cannot stop or sewage coming back into the house. A heater leaking into a closet or garage also qualifies, as does a sump pump that stopped while the pit fills. Standing water in an electrical room is serious even if the leak looks small.

A gurgling toilet with water at the baseboard is a warning that the main line may be blocked. A slow kitchen drain or a faucet drip is a normal call. When you are unsure, call anyway. The dispatcher would rather hear a false alarm than miss a real one.

Call now, then shut off the water

Our 24/7 line is (206) 864-6558, and we give a clear price before work starts.

Call (206) 864-6558

Dispatch

What happens when you call our line

The process is the same at any hour. We do not promise a specific arrival time, but you will always know where your call stands.

A dispatcher answers

You describe the problem, give the address and say whether the water is shut off.

We sort the problem

The dispatcher asks about the fixture, the age of the home and any electrical risk, then tells you what to do while you wait.

You hear the price first

Before work starts, you get a clear price. Nothing begins until you agree to it.

A plumber is sent

We schedule a same-day appointment when one is available and tell you what is open.

The repair and follow-up

The plumber fixes the problem and explains what failed and what to watch for.

The three calls we take most often

Clogged and backing-up drains. A single slow sink is usually a trap or branch clog. When the tub, toilet and washer drain all misbehave together, the main line is the likely culprit. Our drain cleaning service starts by finding which kind you have, and a camera on a flexible cable shows what is blocking the pipe.

Water heaters that leak or fail. Water around the base of the tank, a rotten-egg smell, rust at the fittings or no hot water at all all lead here. A leak at a fitting, a T&P valve or a failed element can often be repaired, and water heater repair is where that decision gets made.

Heaters past repair. A tank that leaks from the shell has failed, because corrosion inside cannot be patched. Water heater replacement covers sizing, venting, the expansion tank and strapping, since this is earthquake country.

Symptom versus first move

A quick guide for the first few minutes.

What you see	What it often means	First move
Water at the base of the water heater	Tank or fitting leak	Shut off the cold supply and the power or gas control, then call
Gurgling toilet and wet baseboard	Main line partly blocked	Stop using water and call
Sewer smell and slow drains everywhere	Blocked main or vent	Skip chemical cleaners and call
Meter moves with everything off	Hidden leak	Close the main shutoff and call
Ceiling stain that is growing	Leak above, often a supply or drain line	Shut off the main, protect the room and call

A city of 21,286 people that runs its own water and sewer

Mountlake Terrace is in Snohomish County, incorporated in 1954, with a 2020 census population of 21,286 across about 4.16 square miles. The city itself provides water, sewer and stormwater utilities inside city limits, and bills every other month.

That matters when something goes wrong. A bill that jumps for no reason can point to a leak on your side of the meter, so read it when it arrives and compare it to the last one. If water is leaking from public pipes in the street, the city is who you report it to. If the pipe is inside your property, call us and we will help you work out which side it is.

Find these before you need them

Five minutes now saves a bad night later.

The main shutoff. Locate it, label it and make sure everyone in the house knows where it is.
Fixture supply stops. Check the ones under sinks and behind toilets. Stiff valves are better found before a leak.
The water heater's cold supply valve. Closing it stops the tank from refilling during a leak.
Your sewer cleanout. A capped pipe near the foundation or in the yard. Crews need access to it.
A flashlight and a bucket. Power may be off, and drips need catching.

Town Center, light rail and plumbing in buildings that share lines

The Mountlake Terrace Transit Center opened in 2009, and Link light rail reached Mountlake Terrace and Lynnwood in August 2024. Town Center, between 220th and 236th Streets, now has new apartments and mixed-use buildings.

In a building with several units, a backup in one often starts on a shared stack or branch line. Tell the dispatcher which unit is affected and whether neighbors have the same problem. Property managers can see our commercial plumbing page, and anyone planning new work should read about plumbing installation.

Coverage

Where we work around Mountlake Terrace

Our dispatch sits at 220th St SW and 66th Ave W. Most calls come from Mountlake Terrace itself, including Town Center and the Lake Ballinger side of the city. Brier, a small adjacent city, is on the same route.

Lynnwood is the next town south, and we cover it from the same line. See our Lynnwood plumbing page for ZIPs and local detail. We also take calls from Edmonds, Shoreline, Lake Forest Park, Bothell, Kenmore and Mill Creek, and the service area page lists them all.

Mountlake TerraceLynnwoodEdmondsBrierKenmoreBothellLake Forest ParkShorelineMill Creek

Emergency plumber questions, answered plainly

Do you handle plumbing emergencies at night or on weekends in Mountlake Terrace?

Yes. Our dispatch line is open 24 hours a day, including nights, weekends and holidays. Call (206) 864-6558, and we set up same-day appointments when one is available.

What counts as a plumbing emergency?

Any water you cannot stop, any sewage coming back into the house and any heater leak that is actively spreading counts. So does a flooded garage or electrical room. A slow drip under a sink can usually wait for a normal call, but tell the dispatcher and let them judge.

Can you tell me when the plumber will arrive?

We do not promise arrival times, because traffic and the night's other calls change the schedule. The dispatcher tells you what is open and what to do while you wait. If your situation changes, call back and say so.

Will I know the price before the work starts?

Yes. We give a clear price before work starts. Call (206) 864-6558 for your number, because the answer depends on the pipe, the access and what we find.

I rent my apartment or house. Who do I call?

Tell your landlord or property manager right away, since the lease decides who pays and who may hire a plumber. While you wait for them, shut off the water at the fixture. We can talk with the property manager if they ask us to come out.

Do you service gas lines?

No. If you smell gas, leave the building, then call the gas utility or 911 from outside. After the gas problem is handled we can help with any water side of the work.

Are you licensed?

We are licensed and insured. You can also check any plumber yourself with the Washington L&I Verify tool, which shows contractor registration, workers' comp status and citations. Do that before any work starts, with us or anyone else.

Standards and sources

These public references sit behind the rules and checks this page mentions.

Plumbing emergency? Call the dispatch line.

Call (206) 864-6558 any hour. Tell us what you see, and we will tell you what to do while we set up your visit.