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.
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AfterFast, Reliable Chimney Repair Across Kentfield
Chimney repair in Kentfield typically runs $320 – $1,800 depending on what’s damaged, and most jobs are completed in a single visit. Flashing repair around the roof line usually falls between $320 and $650, while a full crown rebuild can reach $1,400 – $1,800 when the mortar has crumbled past patching. We serve all of Kentfield from the Ross Valley side up through the hills off Sir Francis Drake Boulevard. If you’re seeing water stains near the chimney chase or hearing a damp smell when you light a fire, call (830) 251-4560 and we’ll send a uniformed technician to take a look.
Why Flint Chimney Sweep Is Kentfield’s Preferred Chimney Repair Company
Kentfield homeowners call us because we put the price in writing before a single tool comes off the truck. That’s not a slogan at our shop. It’s the Garrison Standard, and it applies to every repair we quote in Kentfield, from a simple damper replacement to a full chase rebuild. Hank Delano, our owner, built the company on that rule when Flint Chimney Sweep joined the Garrison Partners family in 2002.
Our Kentfield customers also know exactly who’s walking through the door. Every tech is background-checked and uniformed. Every job carries our 365-Day Done Right Promise: if a covered repair fails within one year, we come back and fix it at no charge. No argument, no re-quote, no fine print. A live person answers our phone around the clock, which matters when you discover a leak on a rainy Sunday night in Kentfield and need to know what to do next.
We’re familiar with the older masonry chimneys up in the hills above College of Marin and the newer chase-style setups closer to the flats. That local experience means we know where Kentfield chimneys fail first: the flashing, the crown, and the cap. Our Chimney Repair team carries the parts and materials to address all three on the first visit.
Chimney Flashing Repair in Kentfield
Chimney Flashing Repair in Kentfield is one of the most common calls we get during the wet season, and it’s a repair you don’t want to put off once water starts tracking in. Flashing is the metal seal where the chimney meets the roof, and Kentfield’s exposure to wind-driven rain from October through April tests that seal constantly. When flashing pulls away from the roofline or corrodes through, water gets behind it and runs down the chimney structure, eventually showing up as stains on your ceiling or damp smells near the firebox. Flashing repair in Kentfield typically runs $320 – $650 depending on how much metal needs to be replaced and whether the step flashing or the counter-flashing has failed.
What a flashing repair actually covers
Our techs remove the old flashing, inspect the masonry underneath for spalling or open joints, and install new step and counter-flashing sealed with professional-grade materials. We don’t caulk over a failed seal and call it done. We replace what failed.
Signs you need flashing repair now
Water stains on the ceiling near the chimney, peeling paint on the chimney chase, or a rust streak running down the brick are all tells. If you see any of those, the leak is already active. Get it sealed before the next heavy rain in Kentfield.
Chimney Crown Repair in Kentfield
Chimney Crown Repair in Kentfield becomes necessary when the mortar cap at the top of the chimney cracks from moisture absorption, age, or the subtle ground movement this area experiences along the region’s fault lines. The crown is the concrete or mortar surface that sheds water away from the flue, and once it cracks, water seeps in and starts breaking down the brick below. Left alone, that turns a $400 patching job into a $1,800 rebuild. Crown repair in Kentfield typically runs $380 – $1,800, with the higher end reserved for full recasting when the existing crown has crumbled beyond saving.
Patching vs. recasting
Small hairline cracks can often be sealed and resurfaced for under $600. If the crown has sections missing or shows spalling brick around the flue tile, we recast it with a proper overhang and drip edge so water sheds away from the chimney instead of down the sides.
What a failing crown costs you over time
A cracked crown lets water into the chimney structure through every rain event. In Kentfield, where winter storms roll in off the Pacific, that’s weeks of moisture penetration. The longer it goes, the more brick spalls and the more mortar joints open up. Repair the crown early and you save the rebuild later.
Trusted Brands We Service in Kentfield
We don’t install off-brand parts in Kentfield chimneys. Flint Chimney Sweep works with DuraFlex liners, HeatShield resurfacing products, and Famco caps because those are the names our techs trust and the ones Kentfield homeowners can verify independently. We stock common repair parts for Kentfield jobs so we’re not running back and forth to a supply house mid-repair. When a crown gets recast or a cap gets replaced, the spec on the invoice names the product we used and why we chose it. That’s part of putting everything in writing, which is how we’ve operated since 2002.
Common Chimney Repair Problems We See in Kentfield Homes
- Rain through a missing or undersized cap: A chimney without a proper cap in Kentfield soaks the smoke chamber during winter storms, which rusts the damper open and lets cold, damp air drag down the flue. The fix is a correctly sized cap and often a damper replacement, which runs $280 – $550.
- Seismic cracking in flashing and mortar: Ground movement along the region’s fault lines opens hairline gaps in flashing seals and mortar joints. Water tracks down the flue liner and shows up as spalling crown mortar or ceiling stains near the chase.
- Creosote buildup past first-degree: Deferred sweeping lets first-degree creosote build into second-degree flake and third-degree glaze, which a standard brush cannot remove. Third-degree glaze requires chemical treatment or mechanical removal before we can even inspect the flue properly.
- Spalling brick on the exterior chimney: Kentfield’s wet winters force moisture into brick faces, and when that moisture freezes or expands, the brick face pops off. Spalling repair typically starts around $450 and goes up if structural rebuilding is needed.
Pricing for Chimney Repair in Kentfield, CA
Here’s what Kentfield homeowners can expect to pay: flashing repair $320 – $650, crown patching $380 – $600, full crown recast $900 – $1,800, damper replacement $280 – $550, and tuckpointing or mortar repointing $500 – $1,200. The biggest cost driver is whether the masonry is still sound or has spalled past the point of patching. We never recommend a repair we haven’t shown you on camera. Our Kentfield customers get a written price before work begins, every time, and a free estimate just by calling (830) 251-4560.
We Also Serve Cities Near Kentfield
Flint Chimney Sweep handles chimney repair throughout central Marin. That includes Chimney Repair in Kentfield itself, plus Larkspur, San Anselmo, San Rafael, and Corte Madera. If you’re a few minutes outside Kentfield, the same written-price rule and the same one-year guarantee apply to your job. Same dispatch, same techs, same Garrison Standard.
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 Repair in Kentfield
A Kentfield chimney that gets regular use should be swept every 50 – 70 fires, which for most households here means once a year, before the burn season starts. If you burn green wood or your chimney sits under oak and redwood canopy, that interval shortens. An annual Chimney Inspection - Kentfield catches crown cracks and flashing failures before they become expensive repairs, which is exactly why we recommend it for every Kentfield chimney. Call (830) 251-4560 to book a sweep and inspection together.
A Level 2 inspection includes everything in a basic visual check plus camera scanning of the flue interior, the smoke chamber, and the liner. Kentfield homes often need a Level 2 after seismic movement, after a chimney fire, or when buying or selling a home. The camera report we give you shows exactly what we see, so you’re never asked to approve a repair you haven’t seen evidence for. Call (830) 251-4560 to schedule one.
First-degree creosote is flaky soot that brushes off easily. Second-degree is a harder, tar-like flake. Third-degree is a hardened glaze that a standard sweep cannot remove. The difference matters because we can’t properly inspect a flue lined with third-degree glaze, and we won’t recommend a liner repair until the flue is clean enough to see. If you’re at second or third degree, the repair path changes. Call (830) 251-4560 and we’ll explain what you’re actually looking at.
No. Flashing that has pulled away from the roofline is an active water entry point. Every rain event in Kentfield drives water behind it, and the damage compounds: rotted roof decking, spalling brick, a rusted damper, stains on the ceiling. Flashing repair in Kentfield typically runs $320 – $650, which is far less than the structural repair you’ll face if you let it go through one more winter. Call (830) 251-4560 for a written quote.
The crown is the mortar or concrete cap at the top of the chimney that sheds water away from the flue. It needs repair when you see cracks, crumbling edges, missing sections, or spalling brick around the flue tile. Kentfield’s wet winters punish a cracked crown quickly, because every storm pushes water into the masonry below it. Crown patching starts around $380, and a full recast runs up to $1,800. Call (830) 251-4560 for a free estimate and we’ll show you the crown on camera before quoting anything.
If you live in Kentfield and your chimney needs repair, inspection, or a straight answer about whether it can wait, call Flint Chimney Sweep at (830) 251-4560. Hank Delano and our team serve the entire 94904 area with written pricing, camera-backed recommendations, and a one-year guarantee on every repair. The estimate is free, and the number we quote is the number you approve.
Written by Hank Delano, Owner at Flint Chimney Sweep, serving Kentfield since 2002.