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 Walnut
A chimney sweep in Walnut, CA typically runs $189 – $289 for a standard open-flue fireplace with a clay-tile liner, and most homes are done in under two hours. We work in the hillside tracts around Tres Hermanos, Snow Creek, and the gated estates off Valley Boulevard and Grand Avenue every week, and we know what those chimneys look like inside. Walnut’s older homes, mostly built between the 1960s and 1990s, weren’t designed for the way fireplaces sit idle through our long dry summers. When you call (866) 520-4943, you’ll get a straight answer about whether you actually need a sweep, an inspection, or a repair, and a price before we book anything.
Why Firebrick Chimney Sweep Is Walnut’s Preferred Chimney Sweep Company
Most chimney companies in the San Gabriel Valley are sweep-only operations. They clean, they leave, and if they spot a crack in your flue or spalling mortar in your firebox, they hand you a card for a mason and wish you luck. We don’t work that way. Firebrick handles chimney sweeping, Level 1 and Level 2 inspections, and structural repairs under one roof. We use professional-grade materials, including HeatShield ceramic resurfacing and DuraFlex liners, not what’s on a shelf at the hardware store. Homeowners in Walnut call us because they want one company that can sweep it, diagnose it, and fix it without handing them off to someone else.
Owner Nelson Quijada built Firebrick around the idea that chimney work is all we do. That depth shows up when we’re on your roof. We’ve worked in Walnut’s steep-pitch hillside communities long enough to know which homes have unlined flues, which have clay-tile liners that are past their useful life, and which have wood stoves vented into stacks that were never built for them. If you live in the 91788, 91789, or 91795 ZIP codes, you’re in our service area, and we can usually get to you within a few business days of your call.
Styles & brands we work with
Gas Fireplace Cleaning in Walnut
Gas fireplace cleaning in Walnut’s hillside homes is a different job than chimney sweeping, and it’s one we handle regularly, especially before the November-through-February season when gas logs and inserts get used most. Gas fireplaces don’t produce creosote, but they collect dust, pet hair, spider webs, and soot on the logs, burner, and glass, and the venting can get blocked by debris just like a wood-burning flue.
What the Service Includes
We remove the glass, clean the logs and burner assembly, clear the venting, check the pilot and thermocouple, and verify the unit is drafting correctly. If you have a direct-vent insert, we inspect the termination cap outside to make sure birds or Santa Ana debris haven’t blocked it. A gas insert that hasn’t been serviced in years may also need a Level 1 inspection if you’re noticing delayed ignition or a lazy flame. Gas fireplace cleaning in Walnut runs $149 – $229 depending on the unit type.
When Walnut Homeowners Need It
If you smell a dusty odor when the fireplace first kicks on, or the flame is burning orange instead of blue, that’s a sign the burner is dirty or the vent isn’t pulling air correctly. Walnut’s dry season means a lot of fine dust settles into gas valves and pilot assemblies during the months the unit is off. We recommend a cleaning before your first sustained use of the season, and every two to three years after that for typical operation. If you’ve never had it done and the fireplace came with the house, book it now before you find yourself running the thing daily in December.
Chimney Maintenance in Walnut
Chimney maintenance in Walnut is less about how often you burn wood and more about what happens to your flue during the months you don’t. Hot, dry summers and repeated Santa Ana wind events leave chimneys unused for months at a time, and that’s when soot cakes, nests appear, and wind-blown debris packs into caps. Our maintenance service covers the annual sweep, a visual inspection of the flue and firebox, and a cap check that matters more here than in coastal cities.
Annual Sweep and Cap Check
We remove creosote and soot from the flue, smoke shelf, and damper, and we clear the cap of leaves, palm fronds, and bird activity. Walnut’s large oak and palm trees are pretty, but they shed constantly, and after a Santa Ana event, those caps are often packed tight. Clay-tile flues dominate in Walnut’s housing stock, and they’re especially vulnerable to hidden cracks. We sweep and visually inspect the flue for obvious failures, then tell you if a camera inspection is warranted. An annual sweep with cap clearing in Walnut runs $189 – $249.
Dryer Vent Clearing
Dryer vents and chimney flues share the same core risk: restricted, dirty ventilation that becomes a fire. We clear dryer vents as a separate service, and in Walnut we find lint-clogged ducts all the time in older homes where the vent run is long or transitions have pulled apart behind finished walls. If your dryer takes two cycles to dry a load or the exhaust flap doesn’t open when the machine runs, it’s time to clear the vent. This service runs $99 – $159 in most Walnut homes.
Trusted Brands We Service in Walnut
We work with professional-grade chimney-industry brands, not generic or consumer-grade substitutes. That means HeatShield ceramic resurfacing for deteriorating flue liners, Gelco chimney caps and chase covers, Olympia Chimney components, and Famco termination caps and vents. When a Walnut homeowner needs a chimney cap replaced after a Santa Ana event, or a chase cover fabricated for a hillside estate, we’re already familiar with the manufacturer specs and can order what’s needed without a long back-and-forth. It also means we don’t have to guess about fit or quality. These are the products certified chimney professionals use for a reason.
See the difference
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After
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After
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AfterCommon Chimney Sweep Problems We See in Walnut Homes
- Blocked caps after Santa Ana winds. Palm fronds, twigs, and wind-packed ash clog chimney caps on hillside homes every windy season. Homeowners only notice after a draft failure or smoke backup, which is why we recommend a cap check after any sustained wind event.
- Unlined or clay-tile flues with hidden cracks. Many Walnut homes built in the 1970s and 1980s have clay-tile liners that are now spalling or cracked. A visual sweep won’t always reveal this, which is why we run a Level 2 camera inspection before recommending any liner work, including HeatShield resurfacing or a DuraFlex replacement.
- Creosote from brief winter burns on cold nights. Even when Walnut homeowners only burn occasionally, the temperature swings and limited airflow can create first-degree creosote buildup. It’s removable without major cost, but it should be handled before it advances to a more stubborn stage.
- Bird nests in unused flues. Walnut’s hillside neighborhoods see active bird and rodent life year-round. An unused chimney is an inviting cavity, and we regularly pull nests out of flues during inspections. A proper cap with mesh screening prevents most of these.
Pricing for Chimney Sweep in Walnut, CA
Here’s what you should expect to pay in Walnut’s market. A standard open-flue sweep with a visual inspection runs $189 – $249. If you need a Level 2 camera inspection, which we recommend before any liner repair recommendation, add $150 – $250 depending on roof access and chimney height. Gas fireplace cleaning runs $149 – $229. Dryer vent clearing runs $99 – $159. Cap replacement, bird removal, or chase cover work is quoted after we see the condition on site. Steep-pitch roofs and taller multi-story stacks in Walnut’s hillside communities can add to the labor, but we’ll tell you the price before any tools come off the truck. Call (866) 520-4943 for an exact quote, and we’ll give you a number that holds.
A note on how we price liner work: we don’t quote a liner replacement or HeatShield resurfacing based on a glance. We run a Level 2 camera inspection and show you the footage. If the liner is fine, we’ll tell you it’s fine. Nothing is recommended without camera evidence you can see for yourself.
We Also Serve Cities Near Walnut
Firebrick Chimney Sweep works throughout the east San Gabriel Valley. If you’re in Walnut and need a Chimney Sweep, call us. We also serve South San Jose Hills, Rowland Heights, West Covina, and Pomona. If your home sits in the hills or the flatlands, we’re a local call away.
Serving Walnut, CA — Our Local Coverage Area
We’re based in the Walnut 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 Walnut
Yes, and it affects it more than most homeowners realize. South Coast AQMD Rule 445 bans wood-burning in Walnut on most winter nights when air quality is predicted to be poor. That means your annual sweep is often less about cleaning a lot of burned creosote and more about a dry-vent inspection of your clay-tile flue, making sure the cap is clear, and verifying there’s no debris or animal nesting after months of disuse. Violations are enforced in this fire-risk zone, which is something we document when we’re on site. If you’re unsure whether you can burn on a given night, check the AQMD’s No-Burn alert before lighting up. Call (866) 520-4943 if you want us to inspect the chimney before your first burn of the season.
The only honest way to know is with a Level 2 camera inspection. Clay-tile flues crack, spall, and separate over decades, and the damage is invisible from the firebox and often from the roof. We don’t recommend HeatShield resurfacing or a DuraFlex liner based on a visual check alone. We run a camera through the flue, show you what we’re seeing, and then make a recommendation. If your home was built before 1990 and has its original clay-tile liner, there’s a reasonable chance it needs attention, but we’ll only tell you that after the camera tells us. Estimates are free.
Call us for a cap check and clearing. We were called to a steep-pitch hillside home near the Tres Hermanos foothills where a palm frond had packed the chimney cap after a Santa Ana event. Our tech ran a Level 2 camera inspection, showed the homeowner the blocked cap and first-degree creosote in the clay-tile flue, then removed the debris and documented that no wood had been burned on a No-Burn day for AQMD Rule 445 compliance. If you’re up against repeat clogging, we can also install a Gelco cap with proper mesh screening to keep palm debris and birds out. Call (866) 520-4943 and we’ll get a tech out to you.
Yes, and in Walnut specifically, it’s not about creosote volume as much as it is about what accumulates while the chimney sits. Bird nests, palm fronds, wind-packed ash, and rodent activity all happen whether you burn or not. A blocked flue or a nest in the smoke shelf is a ventilation failure waiting to happen, even if the first burn of the season is just a small one. An annual inspection catches those issues before smoke backs up into the house or a spark makes contact with dried nesting material. For homes that rarely burn, we still recommend an annual dry-vent inspection, especially in the high-fire-severity zones around Walnut’s hillside estates.
First-degree creosote is a flaky, sooty deposit that brushes off without much effort. It forms from relatively low-temperature, occasional burning, which is what we see most often in Walnut homes. Third-degree creosote is a hard, glazed, tar-like coating that forms from prolonged smoldering fires or restricted airflow, and it’s a serious fire hazard that requires chemical treatment or specialized removal. The difference matters because first-degree buildup is normal and manageable with an annual sweep, while third-degree often means the chimney was used incorrectly or vented poorly. We’ll tell you which one you’re dealing with after we look, and the price to address it. Call (866) 520-4943 for an exact quote.
Written by Nelson Quijada, Owner at Firebrick Chimney Sweep, serving Walnut and the east San Gabriel Valley.