Commercial Plumbing in Everett, WA
Commercially licensed plumbers for Everett restaurants, offices, multi-unit buildings and public works
Stollwerck Plumbing & Sewer runs more commercial work in Everett than in any other city we serve — everything from emergency kitchen backups to fixture-by-fixture building walkthroughs. We are commercially licensed, insured above Washington's minimums, and used to working around business hours, health inspections and tenants.
Real Commercial Work in Everett
In April 2026, an Everett nonprofit called with an emergency: the kitchen's dish sink had stopped draining completely, with a staff sign already taped to the faucet. Willie and Logan arrived the same day and worked the problem in sequence. The sink drains into a grease trap that discharges straight into the wall, so they vacuumed the standing water out of the sink first, then popped the cleanout on the trap's outlet side — and found about an inch of standing grease inside it.
A quarter-inch machine down the line came back with chicken skins and no water movement, so they opened the three-inch cleanout on the inlet side and pulled out more skins and grease by hand until water ran from the sink to the cleanout again. Then they lifted the lid on the trap itself: a solid layer of congealed grease across the top, at least two inches thick, burying the outlet baffle. Nothing more could come apart without flooding the room in grease water.
So that is what they told the customer, in writing: get the trap pumped, and we return to confirm the outlet side is clear. No guessing, no tearing into a trap that a pump truck should empty first. Flow was restored to the cleanout the same afternoon, and the building knew exactly what had to happen next and in what order.

Who We Work For in Everett
Restaurants and Food Service
Grease traps and interceptors, three-compartment sinks, floor drains and the kitchen lines between them — for food service from the Hewitt and Colby corridors downtown out to Everett Mall Way.
Offices and Retail
Restroom groups, break-room kitchenettes, water heaters for tenant spaces, and the small persistent failures — running flushometers, weeping angle stops — that add up on a building’s water bill.
Multi-Unit and HOA Buildings
Apartment and condo buildings across Everett, with repairs coordinated through property managers, documented per visit, and scheduled so tenants are not surprised.
Public Works and Prevailing Wage
We carry the insurance and handle the certified-payroll paperwork that publicly funded work requires, which keeps us eligible for municipal jobs most residential shops cannot take.
Everett-Specific Considerations
Grease Rules Are City Code Here, Not a Suggestion
Everett’s grease control ordinance requires food service establishments that discharge to the city sewer to install and maintain a grease removal device and keep a log of its cleanings. The city’s FOG guidance says to pump when grease and solids fill about a third of the trap’s depth. The trap in the photos above shows what waiting looks like: one emergency call, a closed dish station, and a pump-out anyway.
Old Buildings, Old Drains
Everett’s downtown commercial stock along Hewitt, Colby and Rucker predates most of its tenants by decades, and behind the storefronts that means cast iron and galvanized drain lines with tight cleanout access. We scope before we dig, repair rather than replace where the metal is sound, and know how to find parts for fixtures that have been in service since the building’s last remodel.
One Plumber Across a Portfolio
Everett is our biggest commercial market, and much of that work is repeat buildings. A plumber who already knows where your shutoffs, traps and cleanouts are is faster on every call after the first one.
Commercial Plumbing FAQ for Everett
Who pumps the grease trap, and who clears the drain line?
Two different trades, on purpose. A pump truck empties the trap itself; a plumber clears and repairs the lines into and out of it, and diagnoses which side is actually blocked. On a backed-up kitchen we establish flow, tell you whether pumping is due, and return after the pump-out to verify the outlet.
Do Everett restaurants have to keep a grease trap maintenance log?
Yes. Everett’s grease control ordinance requires food service establishments on the city sewer to install and maintain grease removal equipment and keep records of cleanings, and city guidance calls for pumping when the trap is about a third full of grease and solids. An up-to-date log is also your proof of compliance when an inspector asks.
Can you clear a commercial kitchen drain without closing the kitchen for the day?
Usually, yes. Most kitchen-line calls are worked from the cleanouts and the trap, one station at a time, so the rest of the line keeps operating while we do it. When something truly must shut down — a trap lid open, a line being machined — we say how long, and we schedule around your service hours.
What happens if grease gets past the trap into the side sewer?
It cools, hardens and narrows the line, and the blockages start happening downstream where they are more expensive to reach. At that point the fix is hydro jetting and a camera inspection of the side sewer rather than a sink-side visit. Keeping the trap pumped on schedule is much cheaper than cleaning the building’s sewer.
Do you work on downtown Everett buildings with old cast-iron drains?
Regularly. The older commercial blocks along Hewitt and Colby run cast iron and galvanized drainage that rewards careful work: camera first, mechanical cleaning matched to the pipe’s condition, and spot repairs where the metal has failed rather than reflexive re-piping. We document what the camera sees so the owner can plan instead of react.
What a Repeat Customer Said
“Stollwerck has worked for me on three separate occasions and each time the workers were very knowledgeable and professional. Plus they arrive on time!”
Serving Everett From Mukilteo
Our office is on 5th Street in Mukilteo, which puts most Everett commercial addresses ten to twenty minutes away by SR 526 or I-5. For a business, that distance matters twice: same-day response when a kitchen or restroom is down, and no travel-time padding on scheduled maintenance visits.
Why Everett Businesses Choose Us
Licensed for the Building You Actually Have
Commercial credentialing, insurance above the state mandate, and a crew of licensed plumbers only — the documentation inspectors and property managers ask for is the documentation we carry.
Findings in Writing
Every visit ends with what we found, what we did and what should happen next — the way the nonprofit above got a clear sequence instead of a shrug.
A One-Year Guarantee, Commercial Included
Our workmanship guarantee is a full year on commercial work, four times the industry’s usual ninety days.
Commercial Plumbing Trouble in Everett
Call the Mukilteo office — same-day is usually possible.
