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 San Jose
Most chimney sweeps in San Jose run between $189 and $279, and we book them within a few days, not weeks. If your fireplace smokes on the first cold night or you can’t remember the last time the flue was touched, call Ashby Chimney San Jose at (669) 266-5073. We’ve worked on mid-century ranches in Willow Glen, Almaden Valley, and Rose Garden long enough to know exactly what San Jose’s salt air and long dry summers do to a chimney before we even set foot on the roof.
Nathan Corliss runs our San Jose crew the way he’s run chimney work since 2002: written price before any work starts, a real arrival window, and a written guarantee on every repair. No no-shows. No price that doubles at the door. Just straight talk about flues, caps, and what it costs to keep them right.
Why Ashby Chimney San Jose Is San Jose’s Preferred Chimney Sweep Company
Homeowners around San Jose call us after being burned by other companies: a technician who ghosted them, a quote that crawled upward on site, or a repair that cracked again before the season ended. We answer the phone with a live person 24/7, which matters when smoke is rolling into your living room off Blossom Hill Road at 9pm. The technician who shows up is background-checked, uniformed, and prepared to explain our Chimney Sweep process before touching anything.
We’re independently owned and operated under the Kingswell Guarantee, a network of chimney companies that share the same five rules: say the price, show up in the window, leave it cleaner, put the guarantee in writing, and come back if it fails. Every sweep and repair we complete in San Jose includes the 365-Day Done Right Promise. If a covered repair fails inside the guarantee period, we return and correct it at no charge. That’s not a sales pitch. It’s the Kingswell Way, and it’s in writing on every invoice.
Our scheduling and dispatch are coordinated from the San Francisco Bay Area office, but the crews you’ll see in San Jose are local to this market. They know the difference between a 1958 brick flue in Cambrian and a 1970s block chimney in Berryessa, and they stock the parts to fix both without running back to the shop.
Styles & brands we work with





Chimney Sweep Services in San Jose
Chimney Sweep Services in San Jose start with removing the creosote and soot that build up along the flue liner, the clay or steel tube that vents combustion gases out of your home. In San Jose’s Mediterranean climate, most homeowners burn wood a few dozen nights a year, which lets creosote sit, cool, and harden between uses. A standard sweep runs between $189 and $279 and takes about an hour, including a quick visual check of the cap, crown, and damper. For San Jose homes with original masonry chimneys from the 1950s through the 1980s, we recommend a Level 1 inspection with every sweep. It’s your best shot at catching a $200 problem before it becomes a $3,000 crown rebuild after a wet winter.
Level 1 Inspection
A Level 1 inspection is the visual once-over we do whenever we’re already sweeping your chimney. We check the accessible portions of the flue, the cap, crown, damper, and firebox for signs of corrosion, cracking, or animal activity. In San Jose, where birds nest in uncapped flues during the long dry summer, a Level 1 catches nests, corroded galvanized caps, and spalled brick long before your first fire of the season.

Creosote and Soot Removal
Creosote comes in three stages. First-degree is a light powder, second-degree is a stubborn glaze that restricts draft, and third-degree is a hardened tar-like coating that can ignite. San Jose’s seasonal burn pattern tends to push buildup into second-degree territory because the creosote hardens during the long off-season. We remove the full range with rotary brushes and hand tools, leaving the flue walls clean enough to pass a post-sweep smoke test.

What happens when you call
- 1
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.
Chimney Cleaning in San Jose
Chimney Cleaning in San Jose isn’t just about the flue. We clean the firebox, smoke chamber, damper, and cap too, because that’s where San Jose’s specific problems hide. Salt air from the Bay corrodes galvanized caps over a decade, opening the flue to rain and birds during the dry summer. Fog-dampened mortar on older brick chimneys spalls and lets water reach the smoke chamber. A thorough cleaning usually runs $189 to $279, and we always leave the hearth cleaner than we found it. That’s the Ashby promise, and it fits the name.
Annual Sweep and Fireplace Cleaning
If you burn wood even a few nights a year in San Jose, schedule an annual sweep before the first cold snap. The first burn of the season is when most failures show up: smoke spilling into the living room, a damp smell from the flue, or a cap rattling on the roof. A clean flue draws better, burns more efficiently, and gives you a head start on whatever winter throws at it. We’ll also clear the ashes and debris from the firebox and clean the glass doors if you have them.
On a 1962 ranch in Willow Glen, our tech found a third-degree creosote glaze in the original brick flue and a corroded galvanized chimney cap from years of salt air. We removed the failed cap, installed a stainless DuraFlex liner and an Olympia cap, and left the homeowner with a draft strong enough to pass a post-clean smoke test. That’s the difference between a surface cleaning and a proper San Jose chimney service.
Trusted Brands We Service in San Jose
We don’t repair your chimney with whatever happened to be in the van. Ashby carries HeatShield, Gelco, and Olympia Chimney components because they’re proven in the field and they hold up to San Jose’s specific conditions. A stainless DuraFlex liner, for instance, resists the corrosion that kills galvanized flues in salt-adjacent neighborhoods like Willow Glen and Campbell. We keep common parts stocked for fast turnaround across San Jose, which means fewer return visits and a repair that lasts longer than the one you’re replacing. Your written guarantee covers every part and every hour of labor.
Common Chimney Sweep Problems We See in San Jose Homes
- Bird nests in uncapped flues. San Jose’s long dry summer is prime nesting season. We pull everything from twig piles to full starling nests out of flues, usually in the first few weeks after the weather turns.
- Corroded galvanized caps. Salt air off the Bay eats galvanized steel. A cap that’s pitted or flaking lets rain and birds into the flue, turning a simple sweep into a nest removal and cap replacement.
- Hardened second-degree creosote. Occasional winter burning means creosote cools and hardens between fires. That glaze restricts draft and triggers smoke spillover into mid-century living rooms, which is one of our most common San Jose callouts.
- Spalled brick and cracked crowns. Fog-dampened mortar on original 1950s through 1980s brick chimneys spalls and lets water reach the smoke chamber. A Level 2 inspection is often the only way to catch the liner cracks this causes.
See the difference
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After
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AfterPricing for Chimney Sweep in San Jose, CA
A standard chimney sweep in San Jose runs between $189 and $279, depending on the level of creosote buildup, flue height, and whether we’re also removing a nest or clearing a heavily sooted firebox. A Level 1 inspection is included with every sweep we perform. Level 2 inspections, which use a camera to check the full flue lining, typically run between $250 and $400 and are the only way to confirm liner cracks in older San Jose homes. If we find a corroded cap or damaged crown, cap replacement starts around $150, crown repair around $300, and a stainless liner replacement ranges from $2,500 to $4,500. Call (669) 266-5073 for a free estimate, and you’ll get a written price before we start anything. The number on the invoice matches the number we quoted at the door.
We Also Serve Cities Near San Jose
Our crews work throughout Chimney Sweep in San Jose and the surrounding communities, including Milpitas, Santa Clara, Sunnyvale, and Campbell. If you’re just over the city line, you’ll get the same written pricing, the same 365-Day Done Right Promise, and the same live person on the phone. We know these neighborhoods, their housing stock, and the local conditions that put stress on chimneys.
Serving San Jose, CA - Our Local Coverage Area
We’re based in the San Jose 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 San Jose
A smoking chimney on the first cold night is almost always a blocked or restricted flue, usually from a bird’s nest built over San Jose’s long dry summer or from hardened creosote that restricts draft. Call (669) 266-5073 and we’ll remove the blockage, sweep the flue, and run a smoke test before we leave.
Annual. San Jose’s long off-season lets creosote harden between fires, so even light seasonal burning builds up second-degree glaze faster than you’d expect. A yearly sweep with a Level 1 inspection catches the small stuff before it turns into a crown rebuild.
Yes. Salt air accelerates corrosion on galvanized caps, flashing, and any exposed steel components, especially in the western and northern parts of San Jose. We see pitted, flaking caps constantly in Willow Glen and Rose Garden. Stainless components last far longer, which is why we use Olympia and DuraFlex parts for exposed fittings.
The $200 sweep removes creosote and keeps your flue drawing. The $2,000 crown repair is what happens when water has been getting in for years. The difference is timing: a Level 1 inspection during a routine sweep catches crown cracks early, when a patch might cost a few hundred dollars. Skip the inspections long enough and you’re replacing mortar and rebuilding stonework.
You can, but we don’t recommend it. Creosote is flammable and toxic, and working on a roof in San Jose’s winter fog makes a slip far more likely. What you can’t see from a home-brush job is the condition of the flue liner, the smoke chamber, or the crown. That’s what the inspection is for. Call (669) 266-5073 and leave the ladder work to us.
Call Ashby Chimney San Jose for a Free Estimate
If you’re in San Jose and your chimney hasn’t been inspected in the last year, call (669) 266-5073. We’ll answer with a live person, set a real arrival window, and give you a written price before we start. Nathan Corliss and the Ashby crew have been doing chimney work the same way since 2002: straight answers, clean work, and a guarantee in writing. If the repair fails inside the guarantee period, we come back and fix it at no charge. That’s the Kingswell Way, and it’s how every San Jose job gets done.
Written by Nathan Corliss, Owner at Ashby Chimney San Jose, serving San Jose, CA since 2002.