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 Danville
A chimney sweep in Danville typically runs $189 – $289 for a single fireplace with a Level 1 inspection, and most homes in the 94506 corridor are booked within a few days. We answer 24/7 and dispatch crews from 7am to 7pm, Sunday through Friday. If you own one of the larger 1970s – 2000s executive homes off Diablo Road or in Blackhawk, you probably have two or three flues on one roofline, which means a standard single-appliance sweep leaves most of your chase undocumented. Call (833) 736-8208 and we’ll give you a clear per-flue price before anyone sets foot on your roof.
Key Takeaways
- Danville chimney sweeps cost $189 – $289 per flue, with Level 2 inspections adding $125 – $250 depending on flue count and roof access.
- Multi-flue executive homes often need two or three flues swept and inspected in one visit, not one.
- Pre-sale and insurance inspections drive most of the chimney work in Danville, especially along the Diablo Road and Blackhawk corridors.
- We work on gas fireplaces and inserts as often as wood-burning units here. Documentation matters more than brushing.
- Our chimney sweep team stocks parts for Danville jobs and can quote repair work the same visit we inspect.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Why Danville Homeowners Call Chimney Cleaning San Leandro for Chimney Sweep
Danville is a specific kind of market. It’s not a town full of 1950s bungalows with one brick fireplace each. It’s a valley of large 1970s – 2000s luxury homes, many with multiple fireplaces, gas inserts, and tall multi-flue chases. That changes what a chimney sweep needs to do here. We get called because a buyer’s agent wants documentation on all three flues, or because a gas insert that was installed in the 1990s has never had its venting checked, or because a chase cover leaked into an attic and the homeowner had no idea until staining showed up on the ceiling.
Tony Hammond built this company in 2013 around the idea that a chimney sweep should also be able to repair what they find. That matters in Danville, where the houses are large enough that a missed flue or a wrong cap becomes a five-figure water intrusion problem. Our technicians work with DuraFlex, HeatShield, Gelco, and Copperfield materials, so when we find a cracked flue tile or a rusted chase cover, the fix is usually quoted the same day we inspect, not after a week of searching for another contractor.
We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Call (833) 736-8208 and tell us what you’re dealing with. If it’s a pre-sale inspection, say so upfront. We’ll schedule the Level 2 and make sure the report covers every flue, not just the one the seller lit fires in.
Fireplace Cleaning in Danville
Fireplace cleaning in Danville usually means two things: clearing years of soot and creosote from a great-room masonry firebox, and documenting the condition of the flue so a home sale or insurance policy doesn’t stall. Because Danville sits in the San Ramon Valley with hot, dry summers and mild winters, fireplaces sit idle for months at a time. Creosote sits too. Then the first cool evening in October, a homeowner lights a fire, the draft is weak, smoke rolls into the room, and suddenly the fireplace needs attention before the buyer’s inspection catches it.
When we clean a fireplace here, we remove accumulated soot and creosote from the firebox, smoke shelf, and damper assembly, then inspect the flue for glaze, cracks, and animal debris. Most Danville masonry fireplaces show first-degree creosote after a few burning seasons, and the fix is straightforward. Second- or third-degree glaze is a different conversation, but you’ll see photos of it before we recommend anything.
A typical fireplace cleaning in Danville runs $189 – $289 for the first flue. If you’ve got a second fireplace or a gas insert in the same chase, the per-flue add-on is less than running two separate appointments. Call (833) 736-8208 and we’ll price the whole chase, not just one firebox.
What a Fireplace Cleaning Actually Includes
We set drop cloths and run a HEPA-filtered vacuum so soot doesn’t move through your living room. Then we sweep the full length of the flue, clear the smoke shelf, and check that the damper opens and seals the way it should. If we find a cracked firebrick or a loose damper, we’ll photograph it and tell you whether it needs attention now or can wait until the spring.
Gas Fireplace and Insert Cleaning
A gas fireplace in a 1980s – 2000s Danville home rarely needs creosote removal, but it still needs the venting checked. We pull the glass, clean soot from the logs and burner, verify the vent runs clear, and document the installation. A surprising number of gas inserts along Diablo Road were installed without the correct cap or storm collar, and that’s exactly the kind of thing a quick inspection catches before it becomes a water-intrusion claim.
Chimney Services in Danville
Chimney services in Danville go beyond sweeping because the housing stock demands it. A house off Diablo Road or in Blackhawk often has one chase carrying a masonry flue, a gas insert flue, and a furnace flue all side by side. If you only inspect the fireplace the seller used, the other two flues stay undocumented. When a buyer’s agent asks for the full picture, there’s nothing to show them.
Our chimney services include Level 1 inspections for routine maintenance and Level 2 inspections for pre-sale, insurance, or post-earthquake documentation. A Level 2 means we run cameras down every flue in the chase, photograph the findings, and write up what’s sound and what’s not. That’s the report Danville escrow and insurance underwriters expect. We also perform creosote removal, soot removal, annual sweeps, and fireplace cleaning, and if we find a liner issue, we can quote a HeatShield resurfacing or a DuraFlex reline without sending you to a separate contractor.
Expect to pay $189 – $289 for a single-flue sweep with Level 1 inspection. A Level 2 inspection typically adds $125 – $250 depending on how many flues you have and how tall the roof is. Call (833) 736-8208 for a written estimate. The estimate is free, and it covers every flue in the chase.
Level 2 Inspection Work
Danville’s fast-turnover real estate market means the Level 2 is usually the main event, not an afterthought. We run a camera through each flue, document creosote levels, check clearances, and photograph any obstruction, crack, or cap problem. The report gets emailed to you within 24 hours, and it’s written to satisfy a buyer’s agent or insurance adjuster.

Creosote and Soot Removal
Creosote removal in Danville’s wood-burning fireplaces usually means first-degree flaky creosote that brushes out in one pass. But in homes where the fireplace sat unused for several seasons, we sometimes find second-degree glaze forming in the upper flue. You’ll see it in the photos. If it’s advanced enough to matter, we’ll give you a straight answer about whether a mechanical cleaning or a HeatShield resurfacing is the right call, and what it costs.

Trusted Brands We Service in Danville
You won’t get a tube of caulk and a cheap cap from us. We stock and install professional-grade chimney and venting brands that certified chimney professionals specify across the country, including DuraFlex liners, HeatShield resurfacing compounds, Gelco and Copperfield caps and chase covers, and Famco venting. For a Blackhawk or Diablo Road home with a tall multi-flue chase, the brand on the cap and storm collar matters. A Copperfield or Gelco chase cover installed with the correct collar keeps water out for years. A generic cover does not. We carry the parts, and we can handle the repair during the same visit as the sweep.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Danville Homes
- Multi-flue chases left undocumented. A pre-sale inspection in Danville often covers only the fireplace the seller actually used. The gas insert and furnace flues in the same chase stay uninspected, and that stalls the escrow when the buyer’s agent asks for the full picture.
- Wrong caps or missing storm collars on tall chimneys. Homes in Blackhawk and off Diablo Road have tall factory-built chimneys that get the wrong cap or none at all. Birds nest in the flue, and a missing storm collar lets water track down the chase into attic insulation.
- First-degree creosote and weak draft after long idle periods. Danville’s dry summers mean chimneys sit unused for months. The first cool-evening fire produces a weak draft and smoke in the smoke chamber, which is the first sign the flue needs a sweep.
- Gas inserts from the 1990s that were never vented correctly. Many Danville homes had gas inserts added in the 1990s. The venting is often undersized, uncapped, or joined incorrectly. We check the entire run, photograph it, and tell you plainly whether it meets current clearances.
Pricing for Chimney Sweep in Danville, CA
Here’s what Danville homeowners can expect to pay. A standard chimney sweep with a Level 1 inspection for one flue runs $189 – $289. Each additional flue in the same chase adds $95 – $160, so a Blackhawk home with a masonry fireplace, a gas insert, and a furnace flue usually lands between $380 and $610 for the full sweep and report. A Level 2 inspection adds $125 – $250 depending on flue count and roof height. If you need a new cap, chase cover, or liner work, we quote it with the written estimate before any work starts. Estimates are free, and the price is set per job by the written estimate. Call (833) 736-8208. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Danville’s Chimney Work Is Different, and Here’s Why
Danville’s fastest-growing chimney work is not wood-burning cleanup. It is proving that gas fireplaces and inserts in the 1980s – 2000s upscale homes along the Diablo Road and Blackhawk corridors were installed and vented correctly. The valley’s affluent, fast-turnover homeowners order pre-sale and insurance inspections because escrow demands documentation, not sweeping. A single-fireplace brush-and-go doesn’t answer the questions a buyer’s agent asks in this market.
Tony Hammond has spent more than twenty years in the trade, and he started this company because he saw too many sweeps that cleaned one flue and ignored the other two in the same chase. That’s why our standard in Danville is to price and inspect every flue on the roof, not just the one over the great room. We repair what we find, which is the difference between a sweep that gets you through closing and a re-inspection that costs you another week.
At a Blackhawk estate off Diablo Road, a homeowner’s pre-sale inspection flagged staining on the great-room ceiling and a fireplace that smoked into the room. Our tech found the chase cover on the tall factory-built chimney had been installed without a proper storm collar, so water had tracked down the multi-flue chase and soaked the attic insulation. We pulled and photographed all three flues, found a bird-nested cap on the insert’s flue and a first-degree creosote glaze in the masonry firebox, sealed the chase cover with a new Famco cap, and handed the seller a full Level 2 report the buyer’s agent accepted without a re-inspection. That’s what a chase-wide inspection looks like in Danville.
We Also Serve Cities Near Danville
Our service area covers Danville and the surrounding San Ramon Valley. If you’re in San Ramon, Dublin, Castro Valley, or Hayward, we run the same chase-wide inspections and sweeps. Call (833) 736-8208 and tell us how many flues you have. We’ll price the whole system, not just one fireplace.
Serving Danville, CA – Our Local Coverage Area
We serve Danville and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About Chimney Sweep in Danville
One appointment covers both, but two flues get swept and inspected separately. A Blackhawk home with a great-room masonry fireplace and a master-suite gas insert usually has both flues running through the same chase, and the per-flue pricing reflects that. A masonry fireplace sweep runs $189 – $289, and each additional flue adds $95 – $160. You get photos and documentation for both flues, which is what a pre-sale or insurance inspection expects. Call (833) 736-8208 for an exact quote on your chase. Estimates are free.
A Level 2 inspection uses camera documentation of every flue, and that’s what escrow and insurance in Danville require because so many homes have multiple flues in one chase. A basic Level 1 sweep confirms the fireplace you swept is clear, but it doesn’t document the gas insert flue or the furnace flue next to it. In a fast-turnover market like Danville, buyer’s agents ask for the full report, and a seller who shows up with only a single-flue sweep receipt loses time. We write the report to answer the agent’s questions the first time.
We’re checking the full venting run: the flue size and material, the cap and storm collar, the termination clearances, and whether the install meets current clearance and draft standards. Danville homes from that era often have gas inserts that were added without the correct cap or collar, and that’s the source of most water-intrusion calls we see along Diablo Road and in Blackhawk. We photograph what’s in the chase and tell you plainly whether it’s safe to operate or needs venting corrections.
An annual inspection matters in Danville because the chimneys sit idle through the long, dry summers, and animals, debris, and cap failures cause problems even when you never light a fire. A gas fireplace or insert still vents combustion byproducts, and a blocked or damaged flue is dangerous. Most insurance carriers expect an annual inspection on any fireplace system, wood or gas. The cost of one sweep is less than the cost of a water-damaged chase cover repair. Call (833) 736-8208 and we’ll schedule it.
Third-degree creosote is a hardened, tar-like glaze that forms when a chimney is used inconsistently at low temperatures, and it won’t brush out with a standard sweep. It matters in Danville because so many fireplaces sit unused for months and then get lit hard on the first cold evening, which creates exactly the conditions for glaze. If we find third-degree creosote, you’ll see it in the camera images, and we’ll explain whether a mechanical cleaning or a HeatShield resurfacing is the right next step. It’s an honest conversation with photos, not a scare tactic.
Written by Tony Hammond, Owner at Chimney Cleaning San Leandro, serving Danville since 2013.