Chimney Sweep · Bothell, WA
Booking a chimney cleaning at a Bothell address
A chimney cleaning is the same mechanical job everywhere: rods and brushes sized to the flue, with the loosened soot and creosote pulled out of the system instead of into the room. What varies in Bothell is what sits at the top of the flue, who controls the roof, and how the burning season here loads the chimney in the first place.
Three things are worth settling before you book, and none of them requires you to get on a ladder.
Reviewed by Chimney4u editorial team · Last updated
What kind of chimney a Bothell address usually has
A cleaning is booked against a system, not an address. Bothell's housing went up in waves, and the King County Assessor puts the typical home in several of the city's sub-areas in the mid-to-late 1970s, with Norway Hill and Promontory Point typically a 1990s build. Those two waves usually mean two different chimneys.
- A site-built masonry chimney
- Brick or block with a clay tile flue, standard on 1970s houses. It is swept with rods and brushes matched to the tile, and the smoke shelf and chamber behind the damper hold as much debris as the flue does.
- A factory-built chimney
- A listed metal system inside a framed chase, common from the 1990s onward and in attached housing. It is rated to its own standard, and the manufacturer's instructions govern what may be run inside the liner.
Booking where about half the homes are attached
The city reports roughly 20,824 housing units in Bothell as of April 2023, just over half of them — about 52 percent — single-family. The rest are townhomes, condominiums, and apartments, which changes a cleaning in three practical ways.
- Someone else may control the roof. In an association-managed building, exterior and roof access is usually the association's to grant. Settling that first is what keeps one visit from becoming two.
- One chase can hold several flues. The chimney you see from the street may serve more than one fireplace. Cleaning is scoped per flue, so it helps to know which one is yours.
- The system is more often factory-built. Attached housing leans toward listed metal chimneys rather than brick, which changes the brushes used and the parts checked while access is open.
A long, mild heating season is what loads a flue
Creosote is condensed wood smoke, and it forms fastest when smoke cools quickly. The regional pattern is not a short, sharp winter: the Sea-Tac normals put roughly 4,376 heating degree days in an average year, spread across a long cool damp stretch rather than a few deep-freeze weeks. That favours many small, banked evening fires over a handful of hot ones, and a slow fire in a cool flue deposits the most.
- Wood that has not dried. Wet wood spends the fire's energy boiling off water instead of burning the smoke, so the flue runs cooler and loads faster. Split, stacked, and covered through a wet winter is not the same as seasoned.
- Air shut down overnight. Closing the air control to stretch a fire until morning is exactly the smouldering condition that condenses residue onto the flue wall.
- Fuel that does not belong there. State rule prohibits burning garbage, treated wood, plastics, rubber, asphalt products, waste petroleum products, paints, and chemicals in a solid fuel burning device.
A burn ban stops burning, not cleaning
Air quality burn bans are called county by county across King, Kitsap, Pierce, and Snohomish counties, so a Bothell homeowner has to know which side of the line the house is on. A ban restricts what may be burned, not maintenance — and a ban stretch is often the easiest week of winter to have the chimney cleaned, since the fireplace has to be cold anyway.
- Under a Stage 1 ban. State rule allows only non-affected pellet stoves and certified woodstoves to operate. An open masonry fireplace is not in that group.
- Under a Stage 2 ban. No solid fuel burning device may operate, including devices that meet the emission standard.
- In force regardless of any ban. Chimney smoke in this region may not exceed 20 percent opacity for six consecutive minutes in any one-hour period. A plume that hangs visible that long usually points at wet wood, a shut-down air control, or a restricted flue — the same three things that load a chimney.
Local considerations in Bothell
- Bothell's housing arrived in waves. The county assessor puts the typical home in several sub-areas on the King County side in the mid-to-late 1970s, and the typical home around Norway Hill and Promontory Point in the 1990s. The earlier wave usually means brick and clay tile; the later one more often means a listed factory-built metal system, and the two are cleaned differently.
- Bothell reports roughly 20,824 housing units as of April 2023, with just over half — about 52 percent — single-family. In the rest, roof access, scheduling, and sometimes the maintenance itself run through an association rather than the resident.
- The Sea-Tac normals show about 4,376 heating degree days in an average year, a long mild heating demand rather than a short severe one. That favours many low, slow fires, which is the burning pattern that deposits the most residue in a flue.
- Air quality burn bans are called county by county across King, Kitsap, Pierce, and Snohomish counties, on a forecast Stage 1 trigger of 35 micrograms per cubic meter of fine particles in King County and 30 in Snohomish County, so the answer for a Bothell address depends on which side of the city the house is on.
- Chimney smoke in the Puget Sound region may not exceed 20 percent opacity for six consecutive minutes in any one-hour period, independent of whether a burn ban is in effect, and state rule bans burning garbage, treated wood, plastics, rubber, asphalt products, waste petroleum products, paints, and chemicals in a solid fuel burning device.
- In Washington the enforceable requirement for a chimney company is Labor & Industries contractor registration rather than a chimney certification, chimney cleaning and repair sits in the Masonry specialty contractor classification, and a homeowner can check any company's registration status free at L&I before booking.
What the job includes
- Confirmation before the visit of what the chimney serves and whether the system is masonry or factory-built, so the right rods, brushes, and fittings arrive with it
- Floor and hearth protection, a sealed fireplace opening, and vacuum containment running throughout the indoor work
- Mechanical sweeping of the flue, smoke chamber, smoke shelf, and firebox, with the debris taken out of the system rather than left in the cleanout
- A visual check of the readily accessible chimney and the appliance connection while access is already open
- Photographs before and after from the same angles where the roof and the weather allow
- A written scope and price you approve before work starts, and a plain summary afterward of what is urgent, what can wait, and what does not need doing
What it does not include
- A graded NFPA inspection with a written report. A sale, a suspected chimney fire, or a planned relining calls for that, and it is booked as an inspection
- Masonry work of any kind — repointing, spalled brick, crown, or cap — even where the cleaning is what uncovered it
- Relining, or resizing a flue for an insert or a stove
- Water intrusion work: caps, flashing, leak diagnosis, and repellent are separate services, and cleaning corrects none of them
- Removing a live animal from the flue, which is work for a wildlife control specialist; a nest is cleared once the animal is gone
- Any judgment about whether burning is allowed on a given day. That call belongs to the air agency, and it is made for your county
What to look for
- Smoke pushes into the room on the first fire after a long damp stretch
- A cold, wet flue is slow to establish draft. If it does not clear once the chimney warms, the problem is restriction or a blockage rather than the weather, and a bigger fire is the wrong answer.
- The plume from your chimney stays visible for minutes at a time
- Persistent visible smoke means incomplete combustion, which is also what deposits creosote. Regional rules cap chimney smoke opacity, so this is a compliance question and a maintenance one at once.
- You burn most evenings from October through March
- A long mild heating season means many low, slow fires rather than a few hot ones, and low fires cool the smoke fastest. Use, not the calendar, sets your real interval.
- The house changed hands and there is no service record for the fireplace
- Nobody can tell you what is in a flue from the hearth. An unknown flue is worth looking at before the first fire rather than after it.
- You can hear scratching or rustling inside the chase
- An animal or a nest in the flue is a blockage, and a blockage sends combustion products into the room. That is cleared once the animal is out, which is a different specialist's job.
What changes the price
We do not publish a headline figure, because it would be a guess about your chimney. These are the things that genuinely move the number, and we put a real one in writing after we have looked.
- What the chimney serves
- An open masonry fireplace, an insert, and a freestanding stove are cleaned differently, and an insert usually has to be pulled forward before the flue and smoke chamber can be reached at all.
- Masonry stack or factory-built system
- A clay tile flue and a listed metal liner call for different tools and different care, and the metal system's own instructions limit what may be used inside it.
- Number of flues in the stack
- Shared or multi-flue chimneys, common where homes are attached, are scoped per flue rather than per chimney.
- How much is in there, and in what form
- Loose flaky deposit brushes out; hard, glazed deposit does not, and clearing it is a different job from a routine cleaning.
- How the chimney is reached
- Roof pitch, height, surface, and the chimney's position on the slope change the equipment and the time. On the ridge neighbourhoods the roof is often steeper than the street frontage suggests.
- Coordination with an association
- Where roof access has to be arranged through a building manager, the scheduling work is part of the job rather than an afterthought.
Chimney Sweep in Bothell — common questions
- Can I have the chimney swept during a burn ban in Bothell?
- Yes. A burn ban restricts what may be burned, not maintenance. Under a Stage 1 ban only non-affected pellet stoves and certified woodstoves may operate, and under a Stage 2 ban no solid fuel burning device may. The agency announces bans by county, so check the status for the county your Bothell address falls in. A ban week is often convenient for a cleaning, because the fireplace needs to be cold anyway.
- My Bothell townhouse has a metal firebox, not brick. Does that still need sweeping?
- Yes. Just over half of Bothell's roughly 20,824 housing units are single-family, and much of the rest is attached housing where the chimney is a listed factory-built system in a framed chase rather than a brick stack. Those are built to a manufactured standard and cleaned with tools chosen not to damage the liner, and the manufacturer's instructions govern what may be run inside it.
- How often does a Bothell fireplace really need cleaning?
- Look every year, clean when there is enough in the flue to warrant it. Federal guidance and fire officials recommend an annual professional inspection and cleaning of the appliance, chimney, and vent. The local wrinkle is that the region's heating demand is long and mild — about 4,376 heating degree days in a normal year — which encourages slow, banked fires, and slow fires load a flue faster than the same volume of wood burned hot.
- Does it matter which county my Bothell house is in when I book a cleaning?
- Not for the cleaning itself. It matters for burning: the regional air agency calls burn bans county by county, with a published Stage 1 trigger of 35 micrograms per cubic meter of fine particles in King County against 30 in Snohomish County. Same city, potentially different answer on whether you can have a fire tonight.
- How do I check out a chimney company before I let one on my roof?
- Washington's enforceable requirement is Labor & Industries contractor registration, with a bond and insurance behind it, rather than a chimney certification, and chimney cleaning and repair falls within the Masonry specialty contractor classification. You can look up any company's registration and its current status free at L&I. Then ask what you will be handed: a written scope and price before work starts, and photographs of the chimney before and after.
Sources
- Bothell / East Kenmore, Area 038 Area Information Report (2024 revalue) — King County Department of Assessments. Accessed 2026-08-27.
- Housing Overview — City of Bothell. Accessed 2026-08-27.
- U.S. Annual/Seasonal Climate Normals 1991-2020, station USW00024233 (full record) — NOAA National Centers for Environmental Information (NCEI). Accessed 2026-08-27.
- WAC 173-433-150 Curtailment — Washington State Legislature. Accessed 2026-08-27.
- WAC 173-433-120 Prohibited fuel types — Washington State Legislature. Accessed 2026-08-27.
- WAC 296-200A-016 - What are the definitions of the specialty contractor classifications for the purpose of contractor registration only? — Washington State Legislature / Office of the Code Reviser. Accessed 2026-08-27.
- Register as a Contractor — Washington State Department of Labor & Industries. Accessed 2026-08-27.
- Verify a Contractor, Tradesperson or Business — Washington State Department of Labor & Industries. Accessed 2026-08-27.
- About Air Quality Burn Bans — Puget Sound Clean Air Agency. Accessed 2026-08-27.
- FAQs - Air Quality Burn Bans — Puget Sound Clean Air Agency. Accessed 2026-08-27.
- Air Quality Burn Ban Status — Puget Sound Clean Air Agency. Accessed 2026-08-27.
- Wood Burning and the Law — Puget Sound Clean Air Agency. Accessed 2026-08-27.
- Wood-Burning Installation and Maintenance — U.S. Environmental Protection Agency (EPA), Burn Wise. Accessed 2026-08-27.
- UL 103 - Factory-Built Chimneys for Residential Type and Building Heating Appliances (Standard detail page) — UL Standards & Engagement. Accessed 2026-08-27.
Next step
Start with an inspection
Tell us what you have noticed. We will look at the chimney, show you what we found, and put a price on the work before anything begins.