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 Costa Mesa, CA
Chimney repair in Costa Mesa usually comes down to two problems we see constantly: rusted dampers and cracked flue tiles in the older Eastside homes, and worn prefab components in the Westside condos. The marine air off the Pacific keeps chimneys damp for much of the year, which corrodes metal parts faster than homeowners expect. Walnut Chimney has served Costa Mesa since 2017, and our repair work starts with a camera inspection so you see exactly what we see before any work is approved. Call (855) 341-3461 when you’re ready to get answers.
Why Costa Mesa Homes Are Different
Costa Mesa’s chimney problems follow the housing stock. The Eastside, most of it 92627, is full of 1950s and 1960s ranch-style tract homes still running their original masonry fireplaces. Those flues were built with clay tile liners that crack as the house settles, and a cracked liner is a fire hazard, not a cosmetic issue. The Westside’s 1970s and 1980s condos and apartments lean heavily on prefab zero-clearance units, which have their own failure points: warped metal flue pipes and rusted chase tops.
The coastal marine layer keeps things damp. That means more rust on dampers, more spalling on masonry crowns, and more corrosion inside metal fireboxes than you’d see ten miles inland. Then the Santa Ana winds arrive, pushing debris and smoke back down flues and drying everything out just enough to turn a small crack into a real fire path. In the older Eastside cottage blocks, we routinely find original 1950s firebrick fireboxes with shallow smoke shelves and no ash dump, so a standard rotary sweep doesn’t reach everything. The damper frame often needs hand-scraping because decades of damp air have corroded it shut. If your fireplace hasn’t been opened in a few years, plan on more than a basic sweep.
Styles & brands we work with





Our Main Costa Mesa Services
Most Costa Mesa homeowners start with a chimney sweep, then add dryer vent cleaning once they realize both can be handled in the same visit. Here’s what each involves in this city.
Chimney Sweep in Costa Mesa
Because Costa Mesa fireplaces often sit dormant for months, the risk isn’t heavy creosote. It’s nests, debris, and the kind of long-neglected buildup that blocks airflow and pushes smoke back into living rooms. We clean the full system, from the firebox to the cap, and we hand-scrape rusted damper frames that a rotary brush can’t reach. Chimney Sweep in Costa Mesa is the full breakdown.

Dryer Vent Cleaning in Costa Mesa
The same coastal air that rusts your damper also packs lint into dryer vents with surprising speed, especially in the condo complexes where vent runs are longer than they should be. We treat this as a fire-safety service, not a chore. Dryer Vent Cleaning in Costa Mesa covers what we find in this city’s homes.

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 Costa Mesa
Chimney repair in Costa Mesa splits into two worlds: the masonry fireplaces in the Eastside’s 1950s and 1960s ranch homes, and the prefab units common in Westside condos. Masonry work here usually means cracked flue tiles and failing mortar, both made worse by damp marine air and the dry blast of Santa Ana winds. Prefab repairs tend to involve rusted chase tops, warped flue pipes, or a crown that has let water into the framing. We repair what we find, using the right material for the job rather than forcing a single-brand solution. That’s the full-stack approach behind our Chimney Repair work, and it’s why we stock materials from Copperfield, DuraFlex, and HeatShield.
Chimney Cap Installation
Signs you need it
Water running into the firebox during rain, birds or rodents in the flue, or a missing cap that’s letting debris clog the smoke shelf.
What it costs in Costa Mesa
Chimney cap installation in Costa Mesa typically runs $300 – $600, depending on the flue dimensions and the cap material.
How we do it
We measure the flue opening, recommend either a stainless or copper cap sized to your crown, and secure it so the next heavy marine layer doesn’t shift it.
Chimney Liner Installation
Signs you need it
Cracked flue tiles, a spalling flue you can see from the top, or smoke backing up even after a fresh sweep are the classic indicators.
What it costs in Costa Mesa
Chimney liner installation in Costa Mesa typically runs $1,200 – $5,000, depending on whether we use a rigid or flexible system like DuraFlex and the overall flue height.
How we do it
We run a camera to confirm the damage, then install a correctly sized liner system and top plate so your flue meets code and drafts properly again.
Chimney Flashing Repair
Signs you need it
Water stains on the ceiling near the chimney, rust lines where the roof meets the chimney, or damp drywall in the attic after a good rain.
What it costs in Costa Mesa
Chimney flashing repair in Costa Mesa typically runs $400 – $900, with the final number depending on how much of the old flashing must be cut out and replaced.
How we do it
We remove the failing sheet metal, re-lay the flashing in step with your roof line, and seal the junction so water can’t track along the chimney chase.
What Chimney Repair Costs in Costa Mesa
| Item | Typical range in Costa Mesa |
|---|---|
| Chimney Cap Installation | $300 – $600 |
| Chimney Flashing Repair | $400 – $900 |
| Chimney Liner Installation | $1,200 – $5,000 |
Moisture exposure, access, and the age of the original structure are the three biggest cost drivers in Costa Mesa. A simple cap replacement on a single-story Eastside ranch is not the same as flashing work on a steep Mesa-area roofline.
Can you repair a chimney in Costa Mesa without replacing the whole fireplace?
Yes, in most cases. We repair what’s actually damaged, whether that’s a section of flue liner, a rusted damper, or a cracked crown. Full rebuilds are rare and only recommended when the structure itself is failing.
Do old Eastside chimneys need a liner replacement before a fireplace can be used?
Often, yes. Many 1950s and 1960s clay tile liners in Costa Mesa have cracked past the point of safe use. We’ll show you the camera footage so the recommendation isn’t a guess.
Brands We Service in Costa Mesa
We work with professional-grade materials from HeatShield, DuraFlex, and Copperfield, so the right part is available without waiting on a distributor. That keeps most Costa Mesa repairs moving within a few days of the initial inspection. See our brands for the full list.
See the difference
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After
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AfterPricing for Chimney Company in Costa Mesa, CA
| Service | Typical range in Costa Mesa |
|---|---|
| Chimney Sweep | $180 – $340 |
| Dryer Vent Cleaning | $130 – $220 |
| Chimney Cap Installation | $300 – $600 |
| Chimney Cap Replacement | $400 – $900 |
| Chimney Liner Installation | $1,200 – $5,000 |
| Chimney Flashing Repair | $400 – $900 |
| Chimney Crown Repair | $800 – $2,500 |
Prices in Costa Mesa are pushed up by corrosion from marine air and by the age of the original flue systems, especially in Eastside homes that have never been relined. You’ll get a flat, written estimate before any repair begins, so the number we quote is the number you pay.
Neighborhoods We Serve in Costa Mesa
We work across Costa Mesa’s mix of housing stock, from the Eastside’s aging ranch homes to the newer builds on the Mesa. Most of the city is reachable within about twenty minutes for a scheduled visit, and we’re familiar with the quirks of each area’s original chimney construction.
- Eastside Costa Mesa (92627)
- Westside Costa Mesa (92626)
- Mesa Verde
- South Coast Metro
- College Park
Service Area – Cities Near Costa Mesa
Walnut Chimney also serves the surrounding coastal communities, including Newport Beach, CA, Fountain Valley, CA, Huntington Beach, CA, and San Joaquin Hills, CA. If you’re on the border or in an unincorporated pocket near the 55, call and we’ll let you know when we’re in your area.
Serving Costa Mesa, CA — Our Local Coverage Area
We’re based in the Costa Mesa 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 Costa Mesa
Most scheduled sweeps and inspections happen within the week, and we can sometimes route a repair visit sooner if a cap is missing or water is getting in. The best way to lock in a time is to call (855) 341-3461.
In some Westside condo associations, exterior work like a chase top or flashing job may require HOA approval. Interior sweeps and liner work almost never do. We can help you figure out what your board needs from a contractor.
Yes, and we’re familiar with the builder-era fireboxes that dominate that neighborhood. Expect a slower, more careful job if your damper hasn’t been opened in years, but we can usually get it moving and the flue safe in one visit.
If your fireplace has been sitting unused or you smell something strange when the wind picks up, call (855) 341-3461 for a free estimate. One visit can sort out the chimney and the dryer vent, and you’ll know exactly what you’re working with before any work starts.
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 Costa Mesa Customers Say
"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"Creosote buildup was worse than I realized. He measured it, showed me the glazing on the flue with the camera, and was honest that we were closer to a chimney fire than I wanted to hear."
— Renee Mercer"Level two inspection before we bought the house. The report was detailed enough to use as a negotiating point and he explained every photo in it."
— Justin Nguyen