Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Chimney Inspection Across Duvall
A chimney inspection in Duvall, WA typically costs $149 – $429 depending on the level of inspection, with most homeowners paying around $225 for a Level 2 camera inspection. We schedule inspections across the Snoqualmie Valley within a few business days, and every job gets a written price before a tech pulls into your driveway. If you’ve been burning fir and alder all winter and haven’t had eyes on the flue in more than a year, call (830) 251-4560 and we’ll get you on the calendar.
What makes inspection work in Duvall different from the east side is the terrain itself. Homes down near the valley floor sit in morning fog and damp for half the year, while houses up on the ridge lines take wind and rain straight off the Cascades. That split shapes what we find, and it shapes what you should watch for. Our Chimney Inspection team knows which side of the valley you’re on before we arrive, because it changes what we’re looking for.
Why Flint Chimney Sweep Is Duvall’s Preferred Chimney Inspection Company
Flint Chimney Sweep has operated as part of the Garrison Partners family since 2002, and the Duvall homes we inspect get the same Garrison Standard every other location follows: a written price before the first tool comes off the truck, background-checked and uniformed techs on every call, and a 365-Day Done Right Promise in writing on every repair we recommend. That matters when an inspection turns up a cracked crown or a compromised liner and you want to know exactly what you’re paying for before approving the work.
Hank Delano leads our inspection crew, and he holds every tech to the same rule: nothing gets recommended without camera evidence the homeowner can see for themselves. If our Chimney Sweep in Duvall is all you need, that’s what you’ll hear. If a repair can wait another season, we’ll tell you that too and write it down. No pressure, no vague warnings, no moving the price at the door.
Fireplace Inspection in Duvall
Fireplace Inspection in Duvall usually means a Level 1 visual inspection of the firebox, damper, smoke chamber, and accessible flue, plus a check of the chimney exterior, crown, and cap. For most Duvall homeowners who burn dry fir and alder and who have their flue swept annually, this runs $149 – $189 and takes about 45 minutes. If the home is being sold or bought near Cherry Valley or up along 203 toward Monroe, the home inspector will almost always require a Level 2 inspection with camera documentation instead, which typically runs $225 – $289 in the valley.
What Our Techs Look For
We check the firebox for cracked refractory panels, which cannot handle direct flame if they’re split. We inspect the damper for full range of movement and proper seal, clean any debris from the smoke shelf, and shine a light up the flue to look for creosote buildup. Then we check the exterior chase, the crown, and the cap for water entry and animal intrusion.
When It’s Time to Book
If you’re new to a home in Duvall and do not know the last service date, book an inspection before the first burn of the season. Same if you’ve had any back-puffing, smoke in the room, or a strong odor from the firebox on damp valley mornings. And fireplaces should be inspected before listing a home for sale, because the home inspector will typically insist on one anyway, and having it done first keeps the closing moving.
Chimney Inspection Services in Duvall
Chimney Inspection Services in Duvall cover everything from a basic annual check to a full camera scan of the flue interior. A Level 1 inspection is visual and runs $149 – $189. A Level 2 inspection adds a camera and runs $225 – $289. A Level 3 inspection, which is rarely needed but may be the only option if a chimney fire or structural failure is suspected, starts at $399 and involves opening an access point in the chimney to inspect hidden areas.
Camera Inspection and Photo Report
Our camera is a rigid scope with a light head that travels the full length of the flue, from the firebox to the top of the stack. We record what we see and we put the stills in a written report at the counter before we leave. If a tech says a flue liner needs replacing, you will have photos in your hand showing the crack, the spalling, or the delamination.

Real Estate Inspections
Duvall home sales along Highway 203 and the side streets off Cherry Valley Road routinely trigger Level 2 inspection requirements from lenders and home insurers. We provide the written, camera-backed report that banks and insurance underwriters want to see. We schedule around listing and closing deadlines and will be direct with you about what the report says.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Duvall
When an inspection leads to a repair recommendation, we quote specific materials from brands Duvall homeowners can verify on their own: HeatShield for flue resurfacing, Olympia Chimney for caps and flashings, and Gelco for caps and chase covers. We bring these brands to the Snoqualmie Valley because they hold up to the valley’s damp floor and the ridge wind alike. We do not install generic hardware-store caps or unlisted liners, period. The brand and model of whatever we recommend go in writing on your quote, and the 365-Day Done Right Promise covers the work for a full year.
Common Chimney Inspection Problems We See in Duvall Homes
- Mortar joints and crowns failing from valley damp. Homes on the valley floor near the Snoqualmie River sit in fog through fall and winter, and that moisture works into the mortar over time. We often find spalling and crown cracking before the flue liner shows any signs of trouble.
- Bird and squirrel blockages in uncapped flues. Duvall’s wooded lots and greenbelts push squirrels and birds toward open flues. Homeowners mistake the resulting draft loss for a dirty chimney, when the real issue is a nest or a dead bird blocking the flue.
- First-degree creosote from fir and alder. Burning fir and alder off your own property saves money but loads the firebox and smoke chamber with first-degree creosote quickly. Skipping annual inspections lets it build up toward a tar glaze that a brush cannot remove, called third-degree creosote, which requires a chemical treatment or removal.
- Hairline cracks at the crown-to-stack intersection on ridge homes. Houses higher up near the ridge lines take the brunt of winter wind off the Cascades, and the repeated freeze-thaw cycle opens tiny cracks where the crown meets the flue. Left alone, those cracks widen and let water into the chase.
Pricing for Chimney Inspection in Duvall, WA
A Level 1 chimney inspection in Duvall runs $149 – $189. A Level 2 inspection with camera documentation runs $225 – $289. A Level 3 inspection starts at $399 and is typically only recommended after a chimney fire or major structural event. What moves the price is access: a steep roof pitch off NE Woodinville-Duvall Road or a chase cap that needs a ladder set on uneven ground adds labor, and so does any creosote clearance that must happen before the camera can pass.
Flint Chimney Sweep gives a written price before any work begins. That number covers the inspection, the camera run, and the photo report. If we find a repair we recommend, that goes in a separate written quote with the brand name, the scope, and the guarantee. You will not see a surprise line item at the end. To get an exact quote for your home, call (830) 251-4560.
We Also Serve Cities Near Duvall
Our Chimney Inspection in Duvall team covers the whole Snoqualmie Valley and the surrounding communities, including Sammamish, Monroe, Woodinville, and Redmond. If you’re just outside Duvall, call and ask about our schedule. If you’re inside the valley, we’re already coming your way, and we’ll bring the same written price and camera report every time.
Serving Duvall, WA - Our Local Coverage Area
We’re based in the Duvall area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Chimney Inspection in Duvall
A chimney in Duvall, WA needs an inspection at least once a year, even if you only burn two or three cords of fir a season. The valley’s damp air and the ridge’s wind both accelerate creosote accumulation and mortar wear, and the only way to catch those issues while they’re still inexpensive to fix is to look at the chimney once every 12 months. If you burn more than two cords a year, or if you burn softwood like alder and pine, a mid-season check in January or February is worth it. Call (830) 251-4560 to schedule a free estimate, and we’ll tell you what your inspection level and exact cost will be.
A Level 1 inspection is a visual check of everything accessible, from the firebox to the crown, and it runs $149 – $189 in Duvall. A Level 2 inspection adds a camera scan of the entire flue interior, runs $225 – $289, and is required whenever a property transfers ownership or after a chimney fire. A Level 3 inspection opens part of the chimney to inspect hidden areas and starts at $399. Most Duvall homeowners only ever need a Level 1 or Level 2. If we recommend a Level 3, we will show you exactly why on camera before any work starts, and the price will be in writing. Call (830) 251-4560 for a free estimate.
First-degree creosote looks like black flakes about the size of coffee grounds, and it sits loosely on the flue wall. In Duvall, where many homeowners burn fir and alder, first-degree creosote can build up in a single season, especially if the wood is not fully seasoned or the fires are burning low and slow. First-degree creosote is combustible and can ignite into a chimney fire at around 2,000°F. The good news is that a sweep can remove it. The longer it sits, the denser it becomes, until it becomes a baked-on tar glaze that only a chemical treatment can break down. If you’ve skipped a season, call (830) 251-4560 and we’ll inspect and, if needed, sweep the flue in the same visit.
Yes. Every inspection includes a written price agreed to before any work begins, so the number on the invoice is the number you approved. A quick phone call where you describe your chimney type, roof access, and whether this is a real estate or annual inspection gets us to the right price range. We never show up with a lower number and then “find” extra charges. Call (830) 251-4560 and we’ll give you the exact price before the tech arrives.
It is safe to wait when the inspection finds only light first-degree creosote, a clean flue liner, no blockages, and no structural cracks. We’ll tell you to use the fireplace as normal and schedule a sweep next season. It is not safe to wait when the flue liner is cracked, the chimney lacks a cap, or the flue is blocked. Those conditions can allow carbon monoxide into the home or embers to reach combustible framing. If you’re not sure, call (830) 251-4560 for a free estimate, and we’ll give you a straight answer on what can wait and what cannot.
Written by Hank Delano, owner of Flint Chimney Sweep. Part of the Garrison Partners family, serving Duvall and the Snoqualmie Valley since 2002.





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