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.
Fast, Reliable Chimney Sweep Across Orinda
If you heat with a wood stove in Orinda, you already know the routine: load it up in November, run it hard through the wet, foggy months, and by March the flue is carrying a load of creosote you can’t see from the firebox. A standard chimney sweep in Orinda runs $189 – $289 for a single flue, and for wood-stove homes we recommend scheduling it every 6 – 12 months, not the 18 – 24 months you’ll sometimes hear quoted for open fireplaces. Our crews know the hillside homes off Miner Road and the custom builds near the Orinda Country Club, and we arrive with the rotary equipment those tall, 50-year-old flues actually require. Call (831) 534-3789 and a live person answers, day or night.
Why Alcott Chimney San Francisco Is Orinda’s Preferred Chimney Sweep Company
Orinda homeowners call us for two reasons that have nothing to do with price: we show up when we say we will, and you know exactly who is walking up the driveway before the truck parks. Ruben Castellano built this company on that certainty. Every technician we send to an Orinda home is background-checked and identity-verified under the Threshold Standard, and you receive their name and photo before the visit. When they ring the bell, they show a photo ID badge. No exceptions, ever. It’s the kind of thing that matters when you’re home alone with young kids, or when an older parent is the one answering the door.
We’ve been sweeping chimneys since 2002 as part of the Threshold Group family of home-service companies, and the majority of our Orinda work comes from referrals in Sleepy Hollow, Glorietta, and the streets off Camino Pablo. Homeowners here talk to each other. They want to know whether the crew left the hearth clean, whether the pricing matched the quote, and whether the technician explained what he found without pushing a $4,000 liner job they didn’t need. We tend to get the call after someone’s neighbor tells them exactly that story.
Styles & brands we work with





Chimney Cleaning in Orinda
Chimney Cleaning in Orinda means removing creosote, soot, and often animal nesting material from the flue liner so your wood stove or fireplace vents properly and doesn’t become a fire hazard. Fires here run long and hot all winter. The damp, foggy climate means that creosote, the tar-like byproduct of wood combustion, doesn’t dry out and flake away the way it might in a drier valley climate. It stays sticky, then hardens. Left alone for two winters, first-degree creosote becomes second-degree, and second-degree becomes the glazed third-degree coating that a standard wire brush simply can’t remove. You need a rotary whip. We bring it.
Wood Stove Flue Sweeping
Wood stoves in Orinda load flues faster than open fireplaces because the appliance burns slower and cooler, especially overnight. That’s when creosote forms. We recommend an annual sweep for any stove used as a primary heat source, and a visual check mid-season if you’re burning pine or wet wood.
Masonry Fireplace Sweeping
Orinda’s 1940s – 1970s custom homes often have large masonry fireplaces with clay tile liners. Age matters. We sweep the flue, then inspect the smoke chamber and damper area where old mortar joints and cracked tiles hide. You’ll get a written report with photos, not a vague verbal summary.
Fireplace Cleaning in Orinda
Fireplace Cleaning in Orinda goes beyond the flue. We clean the firebox, the damper assembly, and the surrounding hearth, removing ash, soot, and whatever the wind pushed down the chimney since the last burn season. Orinda’s redwood and live oak canopy is beautiful, but it’s also relentless: pine needles, redwood duff, and leaf fragments find their way onto chimney shoulders and into uncapped flues all year. A thorough fireplace cleaning should include a cap check, because an open flue in Orinda is an invitation to every raccoon and squirrel in the Lamorinda hills.
Firebox and Damper Service
A firebox packed with ash reduces airflow and makes your fire burn dirtier. We vacuum it out, inspect the refractory panels or firebrick, and test the damper’s open and closed positions. If the damper is rusted open or stuck, that’s a real heat-loss problem you’ll feel in January.
Hearth and Surround Care
We clean the hearth, the smoke shelf, and any visible masonry around the opening, which also gives us a chance to spot hairline cracks before they travel. On 50-year-old Orinda chimneys, hairline cracks in the crown are common, and they’re the leading cause of spalling brick and crumbling mortar joints.
Trusted Brands We Service in Orinda
We install and service the same trade brands chimney professionals specify, not box-store substitutes. For Orinda’s tall masonry flues and wood-stove setups, we carry Gelco chimney caps, Olympia Chimney liners and components, and Copperfield dampers and accessories. If your Orinda home needs a new cap after a raccoon incident, or a damper replacement on a 1960s fireplace, we stock the common parts locally and can have specialty pieces on the next truck. That shortens turnaround in a neighborhood where winters are cold enough that nobody wants their fireplace out of service for two weeks.
Common Chimney Sweep Problems We See in Orinda Homes
- Glazed creosote from wood stoves: Orinda’s hillside homes burn a lot of wood, and our damp winters produce heavy creosote loading. By the time we’re called, many stove flues have second- or third-degree glaze that requires rotary removal rather than a standard brush sweep.
- Spring raccoon nesting: Orinda’s mature oaks and leafy hillsides are prime raccoon habitat, and a tall, uncapped chimney flue is a ready-made nursery. We regularly find nesting material in smoke chambers and flues during spring inspections.
- Crown cracks on aging masonry chimneys: Fifty-plus years of wet winters and dry summers take a toll on chimney crowns. Hairline cracks let fog and rain in, which spalls brick faces and loosens mortar joints on multi-flue chimneys throughout town.
- Debris load from redwood duff and pine needles: Orinda’s evergreen canopy drops a continuous stream of fine debris onto roofs and chimney shoulders. Without a proper cap and seasonal sweeping, that debris accumulates and blocks draft when you need it most.
See the difference
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AfterPricing for Chimney Sweep in Orinda, CA
A standard single-flue chimney sweep in Orinda runs $189 – $289. A wood-stove flue with heavy creosote loading, meaning anything beyond a standard brushing, typically lands between $325 and $475 because of the rotary equipment and extra time involved. Level 1 inspections run $149 – $199, while a Level 2 inspection, which uses camera equipment to examine the full flue interior, runs $299 – $449. If we find cracked tiles or a damaged liner, repairs are quoted separately and only after we show you camera images of the problem. You’ll receive a written price before any work begins, and every repair carries a written guarantee. If a repair fails within the coverage period, the second visit is free. Call (831) 534-3789 for an exact quote.
We Also Serve Cities Near Orinda
Our crews cover the surrounding Lamorinda and East Bay communities regularly. If you’re in Orinda, we’re already in your neighborhood weekly. We also serve Chimney Sweep customers in Lafayette, Piedmont, Walnut Creek, and Albany, with the same written pricing and name-and-photo technician preview on every visit.
Serving Orinda, CA - Our Local Coverage Area
We’re based in the Orinda 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 Orinda
A wood stove flue in Orinda should be swept every 6 – 12 months if you’re burning regularly, while a gas fireplace flue can typically go 2 – 3 years between inspections. Wood stoves burn slower and cooler, so creosote accumulates faster, especially in Orinda’s damp, foggy winter air, which prevents the creosote from drying and flaking. If you’re burning pine or less-seasoned wood, sweep annually no matter what. Call (831) 534-3789 and we’ll help you set the right interval for your specific stove and burning habits.
Yes, and it happens faster than most homeowners expect. A mother raccoon looking for a den site can build a substantial nest in a tall, uncapped flue within a few days during spring. Orinda’s mature oaks and dense hillside vegetation give raccoons easy roof access, and a multi-flue masonry chimney with an open cap is exactly what they’re looking for. Once nesting material is in the flue, draft is blocked and smoke pushes back into the firebox. We find this on a regular basis each spring in neighborhoods like Sleepy Hollow and Glorietta. A proper copper or stainless cap solves it permanently.
Third-degree creosote looks like a hard, shiny, tar-like glaze coating the inside of the flue liner, similar to baked-on road tar. It forms when first- and second-degree creosote is repeatedly heated without being removed, which is exactly what happens in Orinda wood stoves that burn slowly overnight in damp winter conditions. A standard wire brush can’t remove third-degree glaze; it requires a rotary whip. If left in place, it’s the most fire-dangerous form of creosote. We remove it and then advise you on burning practices that slow glaze formation.
Yes. Many of Orinda’s custom homes from the 1940s through the 1970s have tall, multi-flue masonry chimneys with long clay tile runs and multiple offsets. Those flues require extended rods, specialized rotary heads, and often rooftop access from a ladder rather than a simple bottom-up sweep. Standard 25-foot equipment may not reach the full length or navigate the offsets in a 50-year-old multi-flue stack. Our crews carry the extended equipment those houses need, and we inspect the shared masonry structure for cracks while we’re up there.
Redwood duff and pine needles are small enough to blow onto chimney shoulders and into open flues but dense enough to accumulate and block airflow when wet. In Orinda, where redwoods and pines tower over many rooflines, this debris is a year-round issue, not just a fall problem. Wet duff mats down and obstructs the flue, while dry duff inside a chimney becomes kindling if embers reach it. An uncapped flue in a tree-dense Orinda neighborhood needs this debris cleared at least annually, and a proper cap prevents most of it from entering in the first place.
Call Alcott Chimney San Francisco for Your Orinda Chimney Sweep
If your Orinda chimney hasn’t been swept in the last year, or if you’ve noticed smoke backing into the room, a damp smell near the hearth, or sounds coming from the flue that weren’t made by wind, call us. You’ll get a live person on the phone at (831) 534-3789, a written price before any work starts, and a technician whose name and photo you’ll know before they arrive. Dispatch is coordinated from our Bay Area office, and our crews serve Orinda locally with the equipment and materials your specific chimney needs. No surprises at the door, no mystery pricing, and no repair recommendation we can’t show you with our own camera. That’s the only way Ruben Castellano has run this company since 2002.
Written by Ruben Castellano, Owner at Alcott Chimney San Francisco, serving Orinda and the surrounding East Bay communities since 2002.