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.
Chimney Company in West Covina, CA
Chimney repair in West Covina usually falls into two camps: the cracked crown that’s been leaking through every winter rain, and the cold fireplace that hasn’t been lit since the last time the 10 freeway backed up past Azusa. The tract homes here, most built between the 1950s and late 1970s, came with masonry fireplaces that are now sixty to seventy years old. Crowns, caps, and flashing were rarely maintained, and the basin’s temperature inversions meant many fireplaces sat idle for years. Walnut Chimney has served West Covina since 2017, and our crews know exactly what they’ll find before they even ring the bell. Call (855) 341-3461 when you need a straight answer about your chimney.
Why West Covina Homes Are Different
West Covina sits in the San Gabriel Valley’s inland basin, boxed in by the San Gabriel Mountains to the north and the Puente Hills to the south. Summers bake, winters stay mild, and the air gets trapped. That matters for chimneys in one specific way: a lot of these fireplaces haven’t been used in years. Wood-burning bans during Red Flag conditions and routine winter inversions meant homeowners simply stopped lighting fires. But an unused chimney doesn’t stay empty. It becomes a bird and bee hotel. In the older tracts around 91790 and 91791, plugged chimney pots with nests and honeycomb are more common than actual soot buildup. The first cold snap brings a wave of smoke-in-the-house calls from the neighborhood around the 10/60 interchange. Then there’s the rain. Heavy winter storms and occasional Santa Ana winds drive moisture straight into the unprotected masonry crowns on those aging single-story stucco ranches. The crown cracks, water seeps down through the firebrick, and by spring the damper is rusted shut and the firebox smells like wet ash. West Covina chimneys need a technician who understands that the primary problem here isn’t creosote. It’s neglect, water, and wildlife, in that order.
Styles & brands we work with





Our Main West Covina Services
When West Covina homeowners call us, they’re usually dealing with one of two things: a fireplace that smokes back into the living room or a dryer vent that hasn’t been touched since the Bush administration. Here’s what those jobs look like here.
Chimney Sweep in West Covina
A sweep in West Covina often starts with removing more than creosote. We pull out bird nests, bee comb, leaves, and the occasional tennis ball that some kid threw from the backyard forty years ago. The masonry fireplaces in the 91790 and 91791 ranch homes built up real creosote if they were used regularly, but many haven’t been swept in a decade or more. The job is straightforward: we contain the work area, run brushes from the firebox to the cap, and give you a clear read on what’s actually there. Full details are on our Chimney Sweep in West Covina page.

Dryer Vent Cleaning in West Covina
Dryer vents are the overlooked fire hazard in West Covina homes. Long runs through slab foundations or tight interior walls collect lint in ways exterior-vented homes don’t. The NFPA cites dryers as a leading cause of home fires, and the post-WWII layouts here often mean that vent line snakes fifteen feet or more before it reaches daylight. We treat this as a core safety job, not an add-on. You’ll find pricing and process on the Dryer Vent Cleaning in West Covina page.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Chimney Repair in West Covina
Chimney repair in West Covina is usually about water and age. The original brick masonry fireplaces in the 1950s through 1970s tract homes have crown mortar that’s been breaking down for decades, and the 1960s-era metal fireboxes in some 91792 subdivisions have dampers that rusted through years ago. Cracked firebrick, missing caps, and flashing that pulls away from the roof line are the norm out here. When a West Covina homeowner calls about a smoking fireplace or a leak around the chimney, it’s rarely a simple creosote issue. It’s structural, and it needs the right material for the specific job. Walnut Chimney handles that in-house, from first inspection to final cap, using Chimney Repair methods built around professional-grade materials like HeatShield and DuraFlex.
Chimney Cap Installation
Signs you need it
You can see daylight through the top of your flue, or birds and bees have moved in and the first fire of the season smoked you out of the living room.
What it costs in West Covina
Chimney cap installation with materials typically runs $230 to $470 for a standard masonry flue, and more if a custom multi-flue cap is needed on older ranch-style roofs.
How we do it
We measure the flue opening, match the cap material to your roof and chimney conditions, secure it to the crown, and test the draft before we leave.
Chimney Cap Replacement
Signs you need it
Your existing cap is rusted through, blown off during a Santa Ana event, or so warped that rain is coming straight down the flue into the firebox.
What it costs in West Covina
Chimney cap replacement in West Covina falls between $230 and $470, depending on whether the old mounting hardware can be reused or needs to be re-anchored.
How we do it
We remove the old cap, inspect the crown beneath it for hidden damage, install a correctly sized replacement, and seal the mounting points so wind-driven rain can’t sneak through.
Chimney Crown Repair
Signs you need it
You see cracks spider-webbing across the top of your chimney, or water stains are spreading across the ceiling near the fireplace after a rain.
What it costs in West Covina
Crown repair typically costs $170 to $650 in West Covina, with the higher end reserved for crowns that need full rebuilding rather than sealing.
How we do it
We clean the crown surface, fill cracks with a masonry sealant built for Southern California’s wet-dry cycles, and reshape the crown so water sheds away from the flue instead of pooling around it.
Chimney Flashing Repair
Signs you need it
Water is dripping into the attic after a winter storm, and the drywall around the fireplace shows staining or bubbling paint.
What it costs in West Covina
Flashing repair in West Covina runs $370 to $1,370 depending on whether we can repair the existing flashing or need to cut back shingles and replace the entire assembly.
How we do it
We lift the surrounding shingles carefully, inspect the step flashing and counter-flashing, reseal or replace what’s failed, and re-bed everything against the brick or stucco sidewall.
What Chimney Repair Costs in West Covina
| Item | Typical range in West Covina |
|---|---|
| Chimney cap installation | $230 – $470 |
| Chimney cap replacement | $230 – $470 |
| Chimney crown repair | $170 – $650 |
| Chimney flashing repair | $370 – $1,370 |
How long does chimney repair take in West Covina?
Most cap and crown jobs are finished in two to four hours. A full flashing replacement on a steep ranch roof in West Covina can take a full day, especially if the shingles around the chimney show their age.
Can you repair my chimney the same day you inspect it?
Often, yes. If we’re already on the roof for a sweep and find a cracked crown or a missing cap, we stock common parts on the truck and can handle the repair right there. Call (855) 341-3461 and we’ll tell you what we’re seeing.
Brands We Service in West Covina
We work with materials from DuraFlex, HeatShield, Famco, and Copperfield, so a repair isn’t a patch job with whatever’s on the truck. We stock common cap sizes and crown sealants locally for faster turnaround on most West Covina repairs. You can see the full line on our brands page.
See the difference
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After
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AfterPricing for Chimney Company in West Covina, CA
| Service | Typical range in West Covina |
|---|---|
| Chimney sweep | $169 – $289 |
| Dryer vent cleaning | $99 – $189 |
| Chimney cap installation | $230 – $470 |
| Chimney cap replacement | $230 – $470 |
| Chimney crown repair | $170 – $650 |
| Chimney flashing repair | $370 – $1,370 |
| Chimney liner installation | $2,700 – $6,000 |
| Chimney inspection (Level 1) | $125 – $250 |
| Chimney inspection (Level 2) | $250 – $450 |
What pushes a price up in West Covina is usually roof access and age. Older ranch homes with steep pitches or clay tile roofs take longer to work on safely, and a chimney that hasn’t been touched since the 1970s often needs more than one thing fixed. We quote the job before we start, and that quote doesn’t change unless we find something you haven’t seen yet and you approve the additional work after seeing the camera evidence for yourself.
Neighborhoods We Serve in West Covina
We cover all of West Covina, including the older ranch streets, the hillside lots, and the newer 91792 subdivisions. Our crews are regularly out in the Eastland and Woodside tracts, up near South Hills, and through the central neighborhoods around the 10/60 interchange. Typical response for a scheduled appointment is a few days out, not weeks.
- Eastland
- Woodside
- South Hills
- Central West Covina
- The neighborhoods along the 10/60 corridor
Service Area – Cities Near West Covina
Walnut Chimney serves West Covina and the surrounding San Gabriel Valley communities. If you’re in Valinda, CA or South San Jose Hills, CA, we’re close. The same goes for La Puente, CA and Irwindale, CA, where the housing stock and chimney issues are nearly identical to what we see in West Covina. Call and ask if we’re in your neighborhood.
Serving West Covina, CA — Our Local Coverage Area
We’re based in the West Covina 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 Company in West Covina
Most cap, crown, and flashing repairs don’t require a city permit in West Covina. If the job involves structural changes to the chimney or a full rebuild, the county’s building standards apply. We’ll tell you during the inspection if a permit is needed.
For a scheduled sweep or repair, we’re usually at your door within a few business days. West Covina is a core service area for us, so we route trucks through the city every week. Call (855) 341-3461 and we’ll give you the first available slot.
Yes. We work throughout 91790, 91791, 91792, and 91793, from the older ranch homes along the central corridors to the hillside streets in the south and east. If your ZIP is in West Covina, we’re there.
What happens when you call
- 1A real person answersNo phone trees — talk to a local chimney cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What West Covina Customers Say
"Liner was cracked in two places. He walked me through the repair options honestly, including the one that was cheaper for him and better for me."
— Megan Ackerman"Swept it, capped it, and installed a proper damper. The downdraft smell in the summer that we'd lived with for years is gone."
— Beatriz Vargas"Thorough sweep and a clear report. He was running late from the job before and arrived near the end of the window, though he did call to warn me."
— Luis Garcia