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 Sweep Across Kentfield
A chimney sweep in Kentfield usually runs $189 – $289 before any repairs, and the work typically takes 45 – 90 minutes. The catch in this town is that a basic sweep here almost never ends at the flue. Kentfield’s Ross Valley rainfall and hillside tree canopy mean every cleaning needs to double as a moisture-damage assessment, because crowns and mortar joints deteriorate on a compressed timeline compared to drier Marin communities. We’re Alcott Chimney Sweep, and we’ve been serving Kentfield homeowners long enough to know that a 1950s brick chimney off Sir Francis Drake Boulevard hides different problems than a newer chase in Corte Madera. Call (336) 863-3889 and a live person answers, day or night.
Why Alcott Chimney Sweep Is Kentfield’s Preferred Chimney Sweep Company
Alcott Chimney Sweep has been doing this work since 2002 under the Threshold Group family of home-service companies. The reason Kentfield homeowners keep calling us back is simple: we show our work. Every technician who drives into your neighborhood has passed a background check and identity verification under the Threshold Standard, and you’ll know their name and see their photo before they arrive. They’ll also show a photo ID badge at the door. No exceptions, ever. Ruben Castellano runs our team with one rule: the person you’re told to expect is the person who shows up.
Our Chimney Sweep crews know Kentfield’s housing stock. We’ve swept original brick chimneys in 1930s Craftsman-influenced homes near the College of Marin, worked on ranch-style estates in the flats, and climbed chase covers on hillside lots where bay laurel branches hang directly over the flue. That local knowledge means we don’t waste your time re-learning what Marin’s wet climate does to masonry.
One more thing: every job gets a written price before we start. Not a verbal estimate, not a “we’ll see when we get in there.” A written number you approve first. And every repair carries a written guarantee, with a free second visit if it fails within the coverage period.
Chimney Maintenance in Kentfield
Chimney maintenance in Kentfield is a different animal than it is in Larkspur or San Rafael, and it comes down to two things: moisture and leaf litter. The Ross Valley’s orographic lift pulls significantly more rainfall onto Kentfield than neighboring Marin towns, which means your crown and mortar joints stay wet for months at a stretch. Add the dense bay laurel canopy overhead, and you’ve got moss, lichen, and organic debris accumulating on top of the chimney far more aggressively than in sunnier communities a few miles east. A standard maintenance visit here runs $189 – $289 and should include a sweep, a visual check of the crown and joints, and an honest conversation about whether moisture is getting where it shouldn’t.
What We Check Every Visit
Every maintenance call includes a close look at the crown, the mortar joints, the flue liner, and the area above the damper. In Kentfield, that last spot matters more than homeowners expect. We’ll document what we find and explain what needs attention now versus what can safely wait a year.
Annual Sweeps and Moisture Checks
For Kentfield homes, we recommend an annual sweep combined with a moisture-damage assessment. Even if you burn clean, seasoned wood, the bay laurel leaves that drop year-round find their way into open flues. The sweep clears that debris; the moisture check catches the crown and joint erosion that this valley’s rainfall accelerates. These two jobs belong together here.
Chimney Sweep Services in Kentfield
Chimney sweep services in Kentfield start with the sweep itself, a full removal of creosote, soot, and the leaf litter that collects above the damper in this particular town’s hillside neighborhoods. A standard sweep runs $189 – $289. But the real value is what we catch during the process: original unlined flues in 1930s – 1960s homes, first-degree creosote that homeowners mistake for harmless ash, and crowns that have been quietly spalling under Ross Valley rain. Kentfield homes need a sweep that goes beyond the brush.
Creosote and Soot Removal
We remove creosote and soot mechanically with professional-grade tools, then document what we found. The thin, flaky first-degree creosote common in Kentfield flues is easy to miss and just as dangerous as the glazed third-degree buildup. We’ll show you the difference and explain what it means for your burn practices.

Fireplace and Flue Cleaning
Fireplace cleaning here isn’t just about the firebox. It’s about the smoke chamber, the damper area, and the flue above it. In Kentfield homes with mature bay trees nearby, we routinely pull down mats of oily leaf litter sitting directly on top of the damper. That debris is why your clean-burning fire still smokes.

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 Kentfield
When a Kentfield chimney needs more than a sweep, we install and service the brands professionals specify: HeatShield for resurfacing deteriorated flue liners, Olympia Chimney for caps and chase covers, and Famco for dampers and related components. We stock common parts locally for Kentfield jobs, which means faster turnaround when a 1950s ranch needs liner repair before the rainy season hits. We don’t improvise with box-store substitutes, and we’ll tell you plainly which brand fits your system and why. Ruben Castellano’s standard is parts that outlast the warranty, not ones that get you through one winter.
Common Chimney Sweep Problems We See in Kentfield Homes
- Bay laurel leaf mats above the damper. The California bay laurel trees blanketing Kentfield’s hillsides shed constantly, and those oily leaves flash-burn hot rather than smoldering. Homeowners who only burn seasoned oak are genuinely surprised when we pull a thick mat of leaf litter off the damper and point out the flaky first-degree creosote flaking from their smoke chamber.
- Original unlined flues in mid-century homes. Kentfield’s 1930s – 1960s Craftsman-influenced homes and ranch-style estates were often built without clay-tile flue liners, or with liners that have since cracked. Without a Level 2 inspection, those hidden cracks let heat and creosote reach framing, and a standard sweep won’t reveal them.
- Accelerated crown and joint deterioration. Ross Valley’s rainfall trap keeps chimney masonry wet for months. Neglected crowns and mortar joints erode and spall faster here than in drier Corte Madera or San Rafael, which is why every sweep in Kentfield should include a moisture-damage assessment.
- Mistaking first-degree creosote for ash. The hot, quick burn of bay laurel leaves creates thin, flaky creosote that looks like gray ash to an untrained eye. Homeowners skip the sweep because the flue “looks clean,” while the deposits keep building up.
Pricing for Chimney Sweep in Kentfield, CA
A standard chimney sweep in Kentfield runs $189 – $289, depending on flue height, accessibility of the roof, and how much creosote and debris has built up. Level 1 inspections are typically bundled with the sweep. Level 2 inspections, which use a camera to evaluate the flue interior, run higher, usually $350 – $500, and we recommend them for any Kentfield home with an original mid-century chimney that’s never had a liner evaluation. If we find liner damage, HeatShield resurfacing can range from $2,500 – $5,000 depending on the flue’s condition and length. You’ll see a written price before any work starts, and estimates are free. Call (336) 863-3889 for a number specific to your system.
We Also Serve Cities Near Kentfield
Beyond Kentfield, our crews serve Larkspur, San Anselmo, San Rafael, and Corte Madera. The chimney problems in those towns differ from what we see here, and our technicians adjust accordingly. If you’re in a neighboring community and want a sweep that accounts for your local conditions, call us at (336) 863-3889.
Serving Kentfield, CA - Our Local Coverage Area
We’re based in the Kentfield 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 Sweep in Kentfield
Yes. Kentfield sits in a rainfall trap where orographic lift from the surrounding hills produces precipitation well above the Bay Area average, keeping your masonry wet for months. That sustained moisture accelerates mortar joint erosion and drives moisture into the flue, so we recommend an annual sweep paired with a moisture-damage assessment. Call (336) 863-3889 to schedule yours.
In Kentfield, the usual culprit is a mat of California bay laurel leaves sitting above the damper. The hillside lots around Mount Tamalpais shed these oily leaves year-round, and they collect in the flue, restricting draft even when your firewood is perfect. A quick sweep removes the mat and the smoking stops. Call (336) 863-3889 for a free estimate.
Original brick chimneys from the 1950s in Kentfield were commonly built without clay-tile flue liners, or with liners that have cracked over decades. Look for flaking brick, white staining on the exterior masonry, or a persistent smoky smell in the house even when the fireplace isn’t in use. We recommend a Level 2 inspection to see the flue interior with a camera before you light another fire.
First-degree creosote is thin, flaky, and easy to brush out, but in Kentfield it often looks like gray ash because bay laurel leaves burn hot and fast. Third-degree creosote is the glazed, tar-like buildup that’s much harder to remove and far more likely to fuel a chimney fire. In this town’s wet climate, first-degree creosote combined with moisture intrusion can turn dangerous quickly, which is why we check for both on every sweep. Call (336) 863-3889 to have yours assessed.
Install a spark-arresting cap with a fine mesh screen to keep bay laurel leaves out of the flue, and inspect it monthly during the fall. Burn only seasoned hardwood, not green wood or bay laurel, whose oily smoke deposits creosote fast. And keep your annual sweep on the calendar; Kentfield’s conditions make yearly cleaning the bare minimum.
Written by Ruben Castellano, Owner at Alcott Chimney Sweep, serving Kentfield since 2002.





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