Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 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.
Chimney Company in Fairfax, CA
Fairfax sits in the redwood canyons of Marin County, where dense tree cover drops needles, leaves, and acidic duff onto roofs and into chimneys almost year-round. That means chimney work here isn’t the same as it is in flat, open neighborhoods. The homes are older, many still have original masonry fireplaces and clay flue liners, and wildfire safety rules add real urgency to keeping things clean. We’re Alcott Chimney San Francisco, and we serve Fairfax homeowners with sweeping, inspection, and gas fireplace repair that accounts for the way this town’s landscape actually behaves. Call (831) 534-3789 and you’ll reach a live person, day or night.
Why Fairfax Homes Are Different
Most Fairfax homes were built between the 1920s and 1960s, and a lot of them still run on original clay flue liners that crack with age and heat cycling. Hillside cabins are common too, often with wood-burning stoves that see heavy seasonal use. The wet winters and dry summers here create a particular rhythm: creosote builds up in bursts during cold snaps, then sits through long dry spells. That’s a recipe for chimney fire risk if it’s ignored.
But the bigger issue in Fairfax is what falls from the trees. Oaks and redwoods surround most homes. Needles and leaf litter collect on roof hips, in gutters, and directly on chimney caps. When the cap clogs or the spark arrestor rusts out, water and debris get into the flue and accelerate masonry decay. We regularly find rusted-out spark arrestors on canyon houses because acidic redwood duff and marine fog eat through galvanized steel faster here than elsewhere in Marin. Every Fairfax sweep should include a look at that cap, not just the flue interior.
Styles & brands we work with





Our Main Fairfax Services
Chimney sweeping and inspection are the two jobs Fairfax homeowners call about most, and gas fireplace repair follows close behind as more homes convert older open hearths to sealed gas units.
Chimney Sweep in Fairfax
A sweep in Fairfax means removing creosote the tar-like buildup that fuels chimney fires and clearing the debris that canyon trees drop onto the cap and into the flue. We brush from top to bottom, contain the soot, and talk to you about what we found before packing up. Homes with wood stoves or heavily used open fireplaces often need twice-yearly attention here. The local condition we watch for most is cap blockage from leaf litter, which turns a routine sweep into a water-damage prevention job. Get the full picture on our Chimney Sweep in Fairfax page.

Chimney Inspection in Fairfax
Fairfax’s older clay-linered chimneys should get a camera inspection before you count on them for a season of fires. Hairline cracks in aged clay are invisible from the top but allow heat and gases to reach framing. We run a camera down the flue, photograph what we see, and walk you through the report while you look at the screen. This isn’t a sales tactic; it’s the only way to know whether an old Fairfax chimney is safe to use this winter. See what the process covers on our Chimney Inspection in Fairfax page.

Gas Fireplace Repair in Fairfax
A lot of Fairfax homes have converted from wood to gas inserts or log sets, especially after fire season warnings tighten. When those units stop lighting, run a weak flame, or smell odd, the fix usually lands in the thermocouple, pilot assembly, or valve train. We service and install professional-grade components from Olympia Chimney and Famco, not box-store substitutes. And we always test for carbon monoxide before we leave. Details are on our Gas Fireplace Repair in Fairfax page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Fairfax
We carry and install professional trade brands including our brands like DuraFlex liner systems, Copperfield caps and dampers, and Olympia Chimney components. Parts are stocked at our Bay Area location, so most Fairfax repairs don’t wait on a supply order. If a part isn’t on the truck, we’ll give you a date before we leave.
See the difference
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AfterPricing for Chimney Company in Fairfax, CA
| Service | Typical range in Fairfax |
|---|---|
| Standard chimney sweep (fireplace or wood stove) | $219 – $329 |
| Chimney sweep with cap clearing (heavy leaf/needle buildup) | $269 – $379 |
| Level 1 visual inspection | $149 – $249 |
| Level 2 camera inspection (with sweep) | $329 – $449 |
| Spark arrestor replacement (galvanized or stainless) | $180 – $340 |
| Chimney cap replacement or install | $220 – $420 |
| Gas fireplace diagnostic visit | $129 – $199 |
| Thermocouple or pilot assembly replacement | $180 – $320 |
| Gas valve replacement | $350 – $600 |
In Fairfax, the biggest price driver is access: steep driveways, narrow canyon roads, and multi-story rooflines with tricky cap positions add setup time. Whatever the finding, you’ll get a written price before any work starts, and no number changes without your say-so.
Neighborhoods We Serve in Fairfax
We cover the entire Fairfax area, from the flats near downtown up into the canyon neighborhoods and hillside roads. Every job is dispatched from our Bay Area office, and scheduling is typically within a few days depending on the season. We serve:
- Downtown Fairfax
- Oak Manor
- Cascade Canyon
- Marinda Oaks
- Fairfax hillside and canyon roads
Service Area – Cities Near Fairfax
Chimney work doesn’t stop at town lines, and neither do we. Beyond Fairfax, you’ll find us regularly in San Rafael, CA, Mill Valley, CA, Novato, CA, and Richmond, CA. Same crews, same upfront pricing, same name-and-photo text before anyone knocks on your door.
Serving Fairfax, CA - Our Local Coverage Area
We’re based in the Fairfax 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 Company in Fairfax
Most Fairfax jobs are scheduled within a few days during spring and summer, and within a week once burning season demand picks up in October. If you have an active issue like water entering the house or a gas smell, tell the person who answers the phone and we’ll prioritize the call accordingly.
Routine sweeping and inspection don’t require permits in Fairfax. Structural changes like a full liner replacement or fireplace reconfiguration may trigger Marin County building requirements. We’ll tell you plainly whether your job falls into the permit category, and what that means for timeline, before any work is booked.
Yes. Our crews are familiar with Fairfax’s steep driveways and narrow canyon access. If parking or ladder setup is going to be tight, we’ll ask you ahead of the visit so we bring the right equipment and enough time to do the job properly.
Questions about your Fairfax chimney? Call (831) 534-3789 and we’ll give you a straight answer and a free estimate with zero pressure to book. Ruben Castellano runs the crew, and every technician who shows up has a name, a face, and a photo ID you’ll already know from the text we send before arrival.
What happens when you call
- 1A real person answersNo phone trees - talk to a local chimney cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Fairfax Customers Say
"Damper was stuck shut and I thought I'd need a new one. He freed it and lubricated it for almost nothing. Honest guys."
- Calvin M."Good chimney cleaning. They found a small gap in the mortar and quoted the repair, which was a bit more than I wanted to spend. Did the sweep and left the repair for later without any pressure."
- Stuart L."Annual inspection and sweep. He used a camera to check the liner and found a cracked tile I had no idea about. Gave me a written estimate and did not push."
- Janet W.