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Plumber in Seattle, WA

A plumber in Seattle, WA is one phone call away, day or night, with same-day visits open to book. Seattle homes run on Seattle Public Utilities water and privately owned side sewers, so this page explains what that means for your pipes and points to eight Seattle job pages.

(253) 540-0002

Call nowA person answers. Same-day service is available.

Give the street and the building typeHouse, condo, apartment or shop. A stacked building changes the first questions.
Say what changedWhat you hear, see or smell, or which fixture stopped working. A single sentence starts the call.
Get one thing to do before the visitClose a valve, switch off a heater or step outside. Then the visit is set.

Jobs we take calls for

Plumber in Seattle: the jobs that have a page of their own

Four of the eight Seattle job pages are shown here. The other four are in the table further down.

Emergency plumber in Seattle

Flooding, sewage and failed shutoffs, with the first steps for houses and for stacked buildings.

Emergency plumber in Seattle details →

Drain cleaning in Seattle

Gurgling floor drains, tubs that back up and side sewers that clog again.

Drain cleaning in Seattle details →

Leak detection in Seattle

Finding the leak behind a climbing water bill or a stain that keeps returning.

Leak detection in Seattle details →

Water heater repair in Seattle

Cold showers, tripped burners and leaking fittings on tank and tankless units.

Water heater repair in Seattle details →

Start here

Which of these is happening in your Seattle building?

Pick the nearest card. Red cards come first because they involve safety.

The lowest drain in the house gurgles when the washer emptiesAir and water are fighting for the same pipe. A partial block in the line leaving the building is the usual cause, and it gets worse, not better.Drain cleaning in Seattle A damp, musty patch along a basement or crawlspace wallWet air does not always mean a leak, but a patch that grows after the rain has stopped is worth a meter test before you blame the weather.Leak detection in Seattle The tank in the utility closet is dripping at the baseA wet floor under a tank usually means the shell has failed. Shut the cold feed, turn off the heater’s power or gas control, then phone.Water heater replacement in Seattle Hot water runs out halfway through a showerA dead element, a failing burner or a tank sized too small for the household. Describe when it happens and the plumber can narrow it down.Water heater repair in Seattle An apartment ceiling is stained from the unit aboveIn a stacked building the cause may sit in somebody else’s wall. Photograph it, close what you can reach and call at once.Emergency plumber in Seattle A restaurant or shop restroom is out of serviceA business that cannot open its restroom loses the day. Say what kind of building it is and which fixtures are down.Commercial plumbing in Seattle Water sprays from a split line or a failed shutoffClose the main, open the lowest tap to bleed pressure and keep power cords away from the wet floor.Burst pipe repair A gas smell by the furnace, range or heaterMove everyone out of the building, keep the door ajar and ring from the pavement without flipping any switch.Gas leak repair

Reasons to call

Why one number suits a city this size

Seattle mixes old houses, new condos, apartment blocks and commercial strips. One line means you never have to guess which company takes your kind of job.

Answered at 3 a.m.A person picks up overnight, on weekends and on holidays.
Same-day service is availableRunning water, sewage and gas smells are taken before routine jobs.
Houses, flats and shopsThe same call handles a single-family side sewer and a shared stack in a larger building.
You talk, then you decideA short conversation shapes the visit. Nothing to type and nothing to upload.
No formsWet hands and a laptop do not mix. The visit is arranged while you speak.

Compared

Calling a Seattle plumber compared with waiting on a web form

Six differences that matter once water is moving.

	UsSound Basin Plumbing	vsThe usual local shop
Hours	A live voice overnightLeaks and backups do not respect office hours.	A message left until the next morning
Getting through	One conversationYour answers decide what the visit covers.	A form and a callback window
How soon	Same-day slots can be bookedStained ceilings and soaked cabinets worsen by the hour.	Whatever slot opens next, sometimes days out
Range of jobs	Drains, heaters, leaks, backflow, sewer and shop workOne number for a day with two problems.	One company per trade
Local awareness	Questions about who supplies you and who owns the pipeIn Seattle the owner holds the side sewer up to the public main.	Generic advice that could fit any town
Price talk	What moves the cost is explained on the callAsk about pricing when you call.	A figure named before anyone looks

Typical patterns only; each company works differently.

From ring to repair

From first ring to finished repair in Seattle

A weeping valve and a flooded basement both pass through four stages.

Report the symptom
Street, building type and what you see, smell or hear. Lead with water, sewage or gas if present.
Stop the damage
While the visit is lined up, you hear how to close a fixture stop, the heater valve or the main.
Agree a window
Urgency sets the order. A window today may be open.
Hear what failed
Afterward you learn the cause and what to watch for next.

Pricing

What makes two Seattle plumbing bills differ

Nobody can see through drywall by phone. Once the plumber has looked, five things shape the final total.

The part that failed

A worn cartridge is quick. A pinhole inside a finished wall takes longer.

Access

A heater in an open garage is simple. One in a crawlspace or a tight closet is slower work.

Pipe material and age

Cast iron, clay, galvanized steel, copper and plastic each repair differently.

Building type

Work on a shared stack in a larger building involves more coordination than a single house.

What the first look finds

When a clog turns out to be a cracked side sewer, the plan changes and you hear why first.

Have these ready for the call

The street and the type of building
Which fixture or appliance is misbehaving
Where the main shutoff is, if you know
Whether you own or rent

Ask about pricing when you call.

Call now, any hour(253) 540-0002

Seattle job pages

Eight plumbing services in Seattle with their own pages

These pages begin with how each job unfolds across Seattle and skip the generic service text. Choose the row closest to your call.

Every row is a Seattle-specific page. Other services are grouped further down.
Job	What the Seattle page covers	Open it
Emergency plumbing	Flooding, sewage and failed shutoffs, and what to do while you wait	Emergency plumber in Seattle
Drain cleaning	Side sewer clogs, floor drains and kitchen branches that block again	Drain cleaning in Seattle
Leak detection	Meter tests, wet crawlspaces and stains with no clear source	Leak detection in Seattle
Backflow testing	Irrigation and fire-line assemblies that need a yearly check	Backflow testing in Seattle
Water heater repair	Tank and tankless faults in closets, garages and crawlspaces	Water heater repair in Seattle
Water heater replacement	When a failed tank is replaced, and what to decide first	Water heater replacement in Seattle
Tankless water heater	Swapping a tank for an on-demand unit in a Seattle house	Tankless water heater in Seattle
Commercial plumbing	Restaurants, offices, shops and mixed-use buildings	Commercial plumbing in Seattle

Seattle water

Where Seattle tap water comes from and what it means for your fixtures

Seattle Public Utilities (SPU) is the water supplier inside the city. The pipes after the meter are yours.

Which rivers feed a Seattle tap?

SPU’s 2025 drinking water quality report says the Cedar River supplied 62 percent and the South Fork Tolt River 38 percent of Seattle’s water that year. Both are surface sources in the Cascade Mountains, not wells under the city. SPU adds chlorine and fluoride, and the report lists no detectable lead in the source water.

SPU also sells water wholesale to nearby cities and water districts, so the same system reaches well beyond the city line. That is why a neighbouring town sometimes shares a supplier with Seattle, and why your own bill is the surest pointer to who serves your address.

The numbers

Figures as reported by SPU. 1 grain per gallon equals 17.1 mg/L.
From SPU’s reports	What it says	Why a homeowner cares
Main sources, 2025	Cedar River 62 percent, South Fork Tolt River 38 percent	Mountain surface water, not groundwater
Disinfectant	Free chlorine, 0.63 to 1.61 mg/L in May 2026 sampling	Rubber seals and washers age slowly under it
Lead in source water	No detectable lead	Any lead would come from private plumbing
Lead service lines	No known lead lines in the system; a small number of lead connections may exist	Ask the plumber what your service pipe is made of
Your own tap	Read the supplier name on your bill, or ask your water provider	Addresses can differ

SPU reports at a glance

Is Seattle water hard?

No. SPU’s quarterly surface water analysis for May 2026 lists hardness between about 24 and 26 mg/L as calcium carbonate at its sampling points. That works out near 1.5 grains per gallon, which sits at the very soft end of the scale. SPU marks that data as informational, and what comes out of your own tap may differ by address.

The practical result is that the scale problems common in harder-water cities are less likely to be your issue. A noisy tank, a weak shower head or a slow aerator in Seattle deserves a different first guess: sediment from the pipes, a partly closed valve or a worn part. The water heater noise guide walks through the causes, and a water softener is not something supplier data points toward.

Think before you blame scale

Aerator choked with gritUnscrew it and look. Grit points to pipe debris, not mineral crust.
Tank rumbleSediment can still collect. A flush is a start.
Weak flow at one tap onlyA stop valve or cartridge, not the supply.
Weak flow everywhereCheck the main and the pressure regulator.

First guesses when the supplier water is soft.

Side sewers

Who owns the pipe from a Seattle building to the street

The City’s own wording is plain: side sewers in Seattle are privately owned. That one sentence decides most backup conversations.

The fixture and the building drain
Everything inside the walls belongs to the building owner, including the branch lines under a slab or floor.
The side sewer to the public main
If you own the home or building, you own the side sewer up to the public sewer main, according to the City. A clog or crack here is yours to deal with.
A shared junction
Where your pipe joins a neighbour’s before the main, the City says you and your neighbours share maintenance and repair. Ask who else is connected.
The public main
SPU is responsible for the public main in the street. A backup that involves the main is a call to the utility as well as to a plumber.

Sewer type

Combined, separated or partly separated: why your street matters

Seattle’s planning documents describe three kinds of sewer, each covering about one third of the city. King County runs the regional treatment that the flow ends in.

What changes between the three types?

A combined sewer carries household wastewater and street runoff in one pipe. A separated system keeps them apart, and a partly separated one does both in different blocks. Which one lies under your street is a question for SPU, not something a plumber can see from the house.

What a homeowner can say for certain is how the pipe behaves in heavy rain. If a floor drain or a low tub gurgles during a storm and calms down afterward, tell the dispatcher that timing. It separates a rain-linked surge from a clog that stays put, and the right response differs. A sewer camera inspection can show whether the side sewer itself has roots, cracks or a belly that holds water.

Clues

Ask SPU about the public side of your street.
What you see	Clue it gives	Page to read
Backup only during heavy rain	Public system under load, or a weak side sewer	Sewer camera inspection
Backup in any weather	A blockage in your own pipe	Drain cleaning in Seattle
Same blockage returns	Roots or a broken section	Hydro jetting
Soft, sunken ground over the line	Collapsed pipe	Sewer line repair
Old pipe worn along its length	Replace rather than patch	Sewer line replacement

Reading a backup

Owners and renters

Roughly half of Seattle rents, so the first call goes two ways

Census data show about 44 percent of Seattle households own their home, so most households are renters. Who calls first, and what they should say, depends on which side of the lease you are on.

General patterns. A lease or an association agreement can change them.
Situation	If you rent	If you own
A tap or toilet misbehaves	Tell the landlord or manager in writing, then ask who they want to call	Call and describe it yourself
Water is spreading	Close the nearest stop or the unit shutoff, then call the manager and a plumber together	Close the main and call
A stain appears from the unit above	Photograph it and report it to the building at once	Check whether a shared stack serves both units
Drain backs up in the lowest unit	Report it quickly because the cause may be in the shared line	The side sewer and any junction are yours to check
No hot water	Report it; shared boilers and tanks are the owner’s call	Look at the breaker or the burner, then call
Who pays	Usually set by the lease and the cause	You, unless a neighbour shares the line

Everything else

More plumbing services in Seattle, WA, grouped by what goes wrong

The eight job pages are above. Every other service runs on the same number, and each row links its core page so you can find your problem by symptom.

Emergency, drain, leak, backflow, heater and commercial work also have the Seattle pages above.
If this is what you are dealing with	Service that fits
The cold line sputters and the house loses pressure after a storm outage	Low water pressure
You want to trade a bulky closet tank for a wall-hung unit	Tankless water heater
The shell of the tank itself has split	Water heater replacement
One sink empties slowly and a plunger does nothing	Clogged drain
A tub holds a ring of grey water	Bathtub drain repair
Roots or old grease keep coming back to a branch line	Hydro jetting
The floor over a slab feels warm in one spot	Slab leak repair
A strip of soft ground runs from the meter toward the foundation	Water line repair
A line split overnight and the laundry room is awash	Burst pipe repair
There is a faint rotten-egg smell near the dryer	Gas leak repair
A new range or fireplace needs a gas branch	Gas line repair
Backups happen and nobody can say why	Sewer camera inspection
A scope shows a cracked section under the yard	Sewer line repair
The whole side sewer is past patching	Sewer line replacement
You would rather not dig up a garden or a driveway	Trenchless sewer repair
A pinhole sprays from a crawlspace pipe	Pipe repair
Leaks keep appearing along old galvanized runs	Repiping
The tank refills all night	Toilet repair
A condo bathroom update needs a new bowl set	Toilet installation
A faucet drips and the handle wobbles	Faucet repair
The shower valve swings from scalding to cold	Shower repair
The disposal hums but will not grind	Garbage disposal repair
You want a filter on the kitchen cold tap	Water filtration
You are weighing a softener as a personal preference	Water softener installation
It is the middle of the night and water is dripping through the ceiling	24-hour plumber
Two or three small jobs need one visit	Plumbing repair and the plumbing services directory

Rain and wind

How a long wet season and a windy night show up in Seattle plumbing

Rain from fall into spring and the occasional storm outage put the same few fixtures under strain year after year.

What fails when the power goes out?

An electric tank heater simply stops heating until power returns, and a sump pump stops moving water out of a low pit. A gas tank with an electric ignition or fan may also stop. If your lower floor takes on seepage in long rain, a battery backup for the pump is a plumbing conversation to have before the storm, not during it.

After an outage, open one tap slowly and let the air work out before running the dishwasher or washer. Spluttering is normal for a minute. Water that keeps spitting air for longer points to a line that has drained back, and the low pressure guide explains how to separate that from a failing regulator.

Before the wind arrives

Know where the heater breaker isSwitch it off before a long outage so the elements do not fire on a half-filled tank.
Test the sump pumpPour in a bucket of water and watch the float rise and the pump kick on.
Find the main shutoffClose and reopen it each year so the handle is not seized when it matters.
Keep gutters clear of the foundationWater pooled against a wall finds the crawlspace.

A ten minute check before the first fall storm.

Do Seattle pipes freeze?

Not often, and rarely hard. During a cold snap the exposed parts go first: hose bibs, garage lines and pipes in a vented crawlspace. Unhook hoses, cap outdoor faucets and leave one tap in the coldest room running at a thread. Our freeze protection guide has the full routine and the response to a split line.

Where cold bites

Outdoor fittings and crawlspace lines are the weak points.

Next door

A plumber in Seattle and the towns around it

Several communities touch Seattle, and each reaches the same dispatcher.

Who else is on this phone line

Calls from Tukwila and Burien to the south reach the same person, and so do calls from Mercer Island and Bellevue across the lake. For the whole region, open the service areas page, or read the Federal Way home page if you are closer to the southern end of the Sound.

Next door

TukwilaSouth of the city.
BurienSouthwest, toward the Sound.
Mercer IslandEast, across Lake Washington.
BellevueEast, across the water.

Pages for the towns beside Seattle.

Service areas

Seattle among the communities we cover

Seattle is the largest city in the region. Anyone inside it reaches the same person at any hour.

A Seattle call goes to the same number as every other community we cover, and the plumber travels to your address.

Towns within about 25 miles

Schematic map. Rings show distance from Federal Way; positions are approximate.

Questions

Questions Seattle callers raise before booking

How soon can a plumber in Seattle reach me?

Frequently within the day, since same-day visits can be booked for Seattle addresses. Water, sewage and gas calls go ahead of routine work. Open with how fast the problem is spreading, then ask which window is open.

Is anyone available at night for a plumber Seattle emergency?

Yes, someone answers around the clock, weekends and holidays included. Give the street, say what you can see or smell, and you will be told a safe first step. Flooding, sewage and gas jump the queue.

Who supplies water to Seattle homes?

Seattle Public Utilities. Its 2025 report says the Cedar River supplied 62 percent and the South Fork Tolt River 38 percent of the water that year. Both are mountain surface sources. Check your bill for the supplier at your address.

Is the tap water in Seattle hard?

No. SPU’s May 2026 analysis lists hardness between about 24 and 26 mg/L, close to 1.5 grains per gallon, and labels the data informational. Your tap can differ by address, so check your bill or ask your water provider.

Who owns the sewer pipe between my Seattle house and the street?

The City states that side sewers in Seattle are privately owned. If you own the home, you own the pipe up to the public sewer main. Where your pipe joins a neighbour’s before the main, you share upkeep. SPU handles the public main.

Why does my lowest Seattle drain gurgle during a storm?

Heavy rain can load the public system, and a weak or partly blocked side sewer feels it first. If it only happens in rain, say so on the call. A camera look at the side sewer shows whether the pipe is the weak point.

What affects the price of a plumber in Seattle?

Which part failed, how hard it is to reach, the pipe material and what the first look uncovers. A crawlspace repair and an open-closet repair are different jobs. Ask about pricing when you call and describe the space.

Can I get a firm price over the phone for plumbing in Seattle?

For a simple fixture swap, sometimes. For hidden problems, a range is more honest than a promise, because nobody can see inside a wall or a buried pipe from a phone. A clear description narrows the range, and the call covers what would move it up or down.

I rent in Seattle. Can I call a plumber myself?

You can phone and describe the problem, but the lease usually sets who authorizes work. Report the issue to your manager in writing, shut off what you can reach, and ask what they want done. In an emergency, protect the unit first.

What should I do if I smell gas in my Seattle home?

Walk everyone outside, including pets, and leave the door open behind you. Do not touch switches, lighters or phones indoors. From the sidewalk, call and say gas in your first sentence so the call moves to the front of the line, at any hour.

Do you handle both houses and large buildings in Seattle?

Yes. The same number takes a leaking tank in a single house and a blocked drain in a restaurant or a mixed-use building. Say which kind of property it is so the first questions fit.

Do I fill in a form to book a plumber in Seattle?

No form at any stage. You phone, describe the problem and arrange the visit during the call. Nothing to type, upload or wait for by email, which matters when the kitchen floor is already wet and your hands are full.

Guides

Reading for Seattle homeowners