Fast, Reliable Fireplace Services Across San Anselmo
Fireplace service in San Anselmo typically runs $180-$650 depending on whether you need a basic tune-up, firebox repair, or full flue restoration, and most jobs are completed in a single visit. Our crew covers all of San Anselmo, including the 94960 and 94979 ZIP codes, with same-day and next-day scheduling available throughout the week. Call (855) 408-5567 and you’ll reach a live person, not a voicemail queue.
We’ve been crossing the Golden Gate into Marin County for over 42 years, and we know the Ross Valley’s older housing stock well. The Craftsman bungalows along Sir Francis Drake Boulevard, the Tudor cottages climbing toward the ridgeline, and the Colonial Revival homes near San Anselmo Avenue all share a common trait: original masonry chimneys that have absorbed decades of heavy winter rain. That specific history changes what fails, how it fails, and what it takes to fix it right.
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.
Why Hearthstone Chimney Co. of San Francisco Is San Anselmo’s Preferred Fireplace Services Company
San Anselmo homeowners tend to stay put. When you’ve lived in the same house for twenty or thirty years, you remember the contractor who showed up late, the one who added charges mid-job, and the one who never returned your call. We built this company to be the one you remember for the opposite reasons.
Our San Anselmo customers receive the same treatment as our San Francisco clients: a Level-2 camera inspection with photos you can see, a plain-English verdict on what’s actually wrong, and no-hassle upfront pricing. The number on the estimate is the number on the invoice. Our background-checked, uniformed technicians complete most repairs in a single visit, and every job is backed by our 90-Day Done Right Promise in writing, no arguing.
Calls are answered by a live person 24 hours a day, 7 days a week. If your damper won’t close on a Sunday evening or you smell smoke backing into your living room, someone picks up. We’ll be there when we say.
Our Fireplace Services in San Anselmo
Wood Burning Fireplace Service
Wood burning fireplaces in San Anselmo face a problem that drier East Bay homes rarely see: moisture-damaged flue systems rather than creosote-heavy ones. The Ross Valley’s 35+ inches of annual rainfall, trapped by encircling hills, soaks into unlined masonry chimneys year after year. We inspect with a camera, document cracks and spalling with photos you can see, and repair using HeatShield refractory systems or Olympia Chimney stainless liners depending on the damage pattern. A square deal: no surprises on the bill.

Gas Fireplace Service
Many San Anselmo homeowners converted original wood-burning systems to gas inserts during the 1980s and 1990s, often without updating the flue liner to match the new appliance’s venting requirements. Our technicians check gas pressure, burner alignment, and draft performance, and we verify that the existing flue can handle the appliance’s exhaust profile. If the original clay tiles are compromised, we’ll tell you plainly and show you the photos.

Fireplace Insert Installation & Service
Inserts are popular in San Anselmo’s smaller Craftsman and Tudor homes where the original fireplace was sized for coal or small cordwood. We measure the firebox precisely, specify inserts from trusted manufacturers, and handle the liner connection to ensure proper draft. Most installations finish in one day, with the technician walking you through operation before leaving.

Damper Repair & Replacement
Original throat dampers in 1910s-1940s San Anselmo chimneys corrode and warp from decades of heat cycling and moisture exposure. A stuck or missing damper costs you heated air up the flue and can allow down-drafts to blow soot into your room. We repair or replace with precision-fitted components, and we document the before-and-after with photos.

Firebox Repair
The firebox is where San Anselmo’s moisture problem becomes most visible. Cracked refractory panels, deteriorated mortar joints between firebricks, and water staining on the back wall all point to water infiltration from a compromised crown or flashing above. We rebuild with professional-grade refractory materials, seal the source of the leak, and stand behind the repair with our 90-Day Done Right Promise.

Fireplace Conversion
Converting a wood-burning fireplace to gas in a vintage San Anselmo home requires more than dropping in a log set. We evaluate the flue condition, gas line routing, and clearances to combustibles, then specify the right direct-vent or vent-free solution for your specific chimney. Our crew handles the mechanical work and coordinates with your plumber or gas company as needed.

Trusted Brands We Service in San Anselmo
We stock parts and specify materials from Gelco, Olympia Chimney, and Famco for San Anselmo jobs, with Copperfield specialty items available for custom crown and flashing repairs. This means faster turnaround on repairs. You’re not waiting two weeks for a cap or liner component to ship from a warehouse in the Midwest. Our trucks carry the common sizes and failure-prone parts for the chimney types we see repeatedly in 94960 and 94979.
Common Fireplace Services Problems We See in San Anselmo Homes
- Mortar joint erosion on hillside chimneys. Homes on the steeper lots above the valley floor, climbing toward the Marin open-space ridgeline, have taller chimneys exposed to northwest downdrafts. The combination of wind-driven rain and repeated wet-dry cycling grinds out mortar joints far faster than on sheltered structures below.
- Spalling brick and cracked clay flue tiles in unlined chimneys. Original to 1910s-1940s bungalows and Tudor cottages, these flue systems were never designed for the thermal stress of modern heating appliances. Decades of Ross Valley moisture infiltration turns hairline cracks into structural failures.
- Failed spark-arrestor caps on ridgeline properties. San Anselmo’s wildland-urban interface properties face direct exposure to Marin County’s fire-prone hills. Downdrafts force embers outward; a proper spark-arrestor cap isn’t optional equipment, it’s practical compliance with local fire-safety reality.
- Crown and flashing deterioration from trapped marine moisture. The cool, moisture-laden air funneling off San Francisco Bay sits in the Ross Valley longer than it does in more exposed coastal towns. Chimney crowns without proper waterproofing compound degrade in five to seven years rather than the fifteen you’d expect inland.
Pricing for Fireplace Services in San Anselmo, CA
Here is what fireplace services typically cost in the San Anselmo market, based on jobs we’ve completed in 94960 and 94979 over the past several years:
| Service | Typical Range in San Anselmo |
|---|---|
| Seasonal tune-up and safety inspection | $89-$175 |
| Damper repair or replacement | $180-$340 |
| Firebox refractory panel replacement | $450-$850 |
| Chimney crown sealing / waterproofing | $350-$650 |
| HeatShield flue liner restoration | $1,800-$3,200 |
| Stainless steel liner installation (Olympia Chimney) | $2,400-$4,500 |
| Full fireplace insert with liner | $3,500-$6,800 |
Prices vary with chimney height, accessibility, and the extent of hidden damage our camera inspection reveals. Hillside homes with steep roof pitches or limited backyard access take more time and equipment. We provide no-hassle upfront pricing before any work begins. Estimates are free. Call (855) 408-5567 for an exact quote on your specific chimney.
Standing offers: $50 off any repair over $250, free second opinion on any written estimate, $89 seasonal tune-up, and a permanent 5% senior and veteran discount.
We Also Serve Cities Near San Anselmo
Our Fireplace Services team covers all of central and southern Marin County. We regularly work in Fairfax, Kentfield, San Rafael, and Larkspur, often scheduling multiple jobs along the Sir Francis Drake Boulevard corridor in a single day. If you’re in a neighboring community and wondering whether we service your address, call and ask. The live person who answers will know.
Serving San Anselmo, CA - Our Local Coverage Area
We’re based in the San Anselmo 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 - Fireplace Services in San Anselmo
The Ross Valley traps cool, moisture-laden marine air against the surrounding hills, and Pacific storm fronts deposit 35+ inches of rain annually directly over San Anselmo. Decades of repeated wetting and drying in original clay flue tiles and mortar joints causes expansion, contraction, and eventual cracking that simply doesn’t occur at the same rate in drier East Bay suburbs where creosote buildup, not moisture infiltration, is the dominant chimney problem. If your home was built between 1905 and 1950 with an unlined masonry chimney, camera inspection is the only way to know the true condition. Call (855) 408-5567 to schedule; estimates are free.

Any visible lean in a masonry chimney is a structural concern that warrants immediate professional evaluation. In San Anselmo’s hillside neighborhoods, leaning often indicates deteriorated mortar joints or a compromised foundation footing, both accelerated by the valley’s heavy rainfall and, on steeper lots, soil movement during winter storms. We document the lean with photos, check the crown and flashing for water entry points, and give you a plain-English verdict on whether repointing, rebuilding, or structural support is required. Call (855) 408-5567 for an inspection; estimates are free.

Yes, and it should be a properly rated model, not a hardware-store universal fit. Homes on the steeper lots climbing toward Marin County’s wildland-urban interface face northwest downdrafts that can force burning embers out of uncapped or poorly capped flues directly into dry hillside vegetation. We install Famco and Gelco spark-arrestor caps sized to your flue with proper mesh ratings for California fire-safety conditions. Call (855) 408-5567 to discuss your specific exposure; estimates are free.

Firebox refractory panel and mortar joint repair from water infiltration through a cracked crown or failed flashing. The moisture works its way down the flue, stains the back wall of the firebox, and eventually destroys the refractory surface that protects surrounding framing from combustion temperatures. We recently serviced a 1926 Tudor cottage on Bolinas Avenue where the clay-flue tiles had spalled from repeated freeze-thaw cycles caused by Ross Valley’s trapped marine moisture. Our crew installed a HeatShield liner system and sealed the crown with a Gelco waterproofing compound to stop further water infiltration into the firebox. Call (855) 408-5567 if you see water staining or crumbling firebrick; estimates are free.

Yes, provided the flue is inspected and brought into compliance with the gas appliance’s venting requirements. Many vintage San Anselmo chimneys were converted to gas in past decades without updating the liner, creating draft and safety issues we now correct with stainless steel or aluminum liners sized to the new appliance. Our Level-2 camera inspection determines whether your existing flue can accept a direct-vent insert or requires liner replacement first. Call (855) 408-5567 to schedule an evaluation; estimates are free.
Ready to have your fireplace inspected, repaired, or converted? Call (855) 408-5567 now. A live person will answer, schedule your free estimate at a time that works for you, and send a background-checked, uniformed technician who will show you photos of what they find and explain your options in plain English. Done right - and we stand behind it.
Written by Warren Eckhart, Owner at Hearthstone Chimney Co., serving San Anselmo since 1984.
