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 Los Alamitos, CA
Chimney repair in Los Alamitos usually means working on a 1950s or 1960s ranch home whose original masonry fireplace was built for occasional ambiance, not the nightly winter fires people expect from it today. Walnut Chimney has served Los Alamitos since 2017, and the pattern we see over and over is cracked crowns, spalled clay flue tiles, and dampers rusted open from decades of marine air. We handle the full stack: sweeping, repair, and dryer vent cleaning, so one call to (855) 341-3461 covers the entire fireplace and vent system.
Why Los Alamitos Homes Are Different
Los Alamitos sits close enough to the coast that the air carries moisture, but inland enough that summers stay dry and hot. That combination does specific things to chimneys. Masonry crowns, the concrete slab that seals the top of the chimney, expand and contract through years of dry heat and damp mornings. Cracks form, then widen. Once a crown cracks, water gets behind the brick and into the flue, and that is when clay tiles start spalling: thin flakes of clay begin breaking off the inside of the flue and falling into the firebox.
The postwar housing stock here makes this predictable. Homes in the 90720 and 90721 zip codes were mostly built between the early 1950s and late 1970s, and many still have their original brick-and-mortar chimneys. The fireplaces were sized for short, cozy fires on cool evenings. They were not built for the kind of dense, hot burning a modern wood stove or an ambitious fireplace owner produces. When we inspect a Los Alamitos fireplace that has been used hard for decades, we typically find the flue interior worn well past what a basic sweep can address.
Santa Ana wind events add another layer. A missing chimney cap or a cracked crown during a Santa Ana means wind-driven debris gets pushed straight down the flue. Birds and squirrels follow. We have opened dampers in Los Alamitos and found abandoned nests, leaves packed a foot deep, and enough dry material to fuel a chimney fire the moment a match got lit. The homeowner swears the fireplace was never used. It does not matter. The wind used it for them.
Styles & brands we work with





Our Main Los Alamitos Services
Most Los Alamitos homeowners call us for one of two reasons: the chimney has not been swept in years, or the dryer vent is packed with lint and the dryer is taking two cycles to dry a load. Both are fire hazards, and both live under one roof, which is why we handle them together.
Chimney Sweep in Los Alamitos
A proper sweep in Los Alamitos means more than brushing soot. It is an inspection of the entire flue, from the firebox to the cap, with documentation the homeowner can keep. That matters a lot here because many cleanings are driven by escrow inspections, pre-sale certifications, and annual maintenance rather than active creosote buildup. We check the crown, the damper, the flue tiles, and the cap on every visit. If the fireplace has been retrofitted with a gas insert, we verify the liner and venting are correct for gas. For the full local detail, see our Chimney Sweep in Los Alamitos page.

Dryer Vent Cleaning in Los Alamitos
Dryer vents in older Los Alamitos homes are often long, narrow, and routed through attics or along exterior walls. Lint accumulates, airflow drops, and the dryer works harder while the vent gets hotter. The NFPA lists dryers as a leading cause of home fires, and a packed vent is the usual reason. We treat dryer vent cleaning as a core safety service, not an add-on, and we can do it on the same visit as a chimney sweep. For specifics on how we clean vents in Los Alamitos homes, see our Dryer Vent Cleaning in Los Alamitos 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 Los Alamitos
Chimney repair in Los Alamitos is driven by two forces: the age of the housing stock and the mild climate that lets small problems sit unnoticed for years. A cracked chimney crown or a missing cap does not announce itself. Water seeps in slowly, clay tiles spall quietly, and by the time a homeowner notices rust streaks on the firebox or water staining on the ceiling near the chimney, the repair has moved from a cap replacement to a flue resurfacing. That is why we always inspect before we recommend, and why we never sell a repair without showing the homeowner the camera evidence. Walnut Chimney brings repair-grade materials and skills to every Los Alamitos job, from HeatShield resurfacing to DuraFlex liner installation. Learn more about our full repair scope on our Chimney Repair hub page.
Chimney Cap Installation
Signs you need it
You see birds, squirrels, or debris entering your chimney, or water and rust staining around the firebox after rain.
What it costs in Los Alamitos
Chimney cap installation in Los Alamitos typically runs from $250 to $650 depending on the cap size, material, and flue configuration.
How we do it
We measure the flue opening, select a cap sized for the flue and the local wildlife pressure, and secure it in place with mechanical fasteners rather than friction fit alone.
Chimney Cap Replacement
Signs you need it
Your existing cap is rusted through, bent from wind, or missing entirely, leaving the flue open to rain, animals, and Santa Ana debris.
What it costs in Los Alamitos
Chimney cap replacement in Los Alamitos generally falls between $200 and $600, including removal of the old cap and installation of the new one.
How we do it
We remove the failed cap, inspect the flue opening for hidden damage, and install a new cap matched to the flue dimensions and the home’s exposure to coastal air and wind.
Chimney Liner Installation
Signs you need it
Your clay flue tiles are spalling, cracked, or missing, or you have converted from an open fireplace to a gas insert that requires a properly sized liner.
What it costs in Los Alamitos
Chimney liner installation in Los Alamitos typically costs from $1,800 to $4,500, with the price driven by flue length, liner material, and whether a custom cap is needed.
How we do it
We run a camera through the flue to confirm the condition, measure precisely, and install a DuraFlex stainless liner system matched to the appliance and the flue dimensions.
Chimney Flashing Repair
Signs you need it
Water stains appear on the ceiling or walls near the chimney, or you see cracked or lifted flashing around the roofline where the chimney penetrates.
What it costs in Los Alamitos
Chimney flashing repair in Los Alamitos usually falls between $450 and $1,100, depending on whether we can patch the existing flashing or need to cut in new step flashing.
How we do it
We inspect the flashing and the surrounding roof penetration, then either seal and repair the existing flashing or remove and replace it with new step flashing and sealant rated for Southern California exposure.
Chimney Crown Repair
Signs you need it
The concrete crown on top of your chimney is cracked, pitted, or eroded, allowing water to seep into the masonry and the flue.
What it costs in Los Alamitos
Chimney crown repair in Los Alamitos typically runs from $550 to $1,400, depending on the amount of crown left and whether a full recast is needed.
How we do it
We clean and evaluate the existing crown, repair minor cracking with a flexible sealant, or recast the crown with a proper overhang and drip edge to shed water away from the chimney.
What Chimney Repair Costs in Los Alamitos
| Item | Typical range in Los Alamitos |
|---|---|
| Chimney cap installation | $250 – $650 |
| Chimney cap replacement | $200 – $600 |
| Chimney crown repair | $550 – $1,400 |
How long does chimney repair take in Los Alamitos?
Most cap and crown repairs are done in a single visit of two to four hours. Liner installation typically takes one full day. We schedule around weather, not against it, and we never rush a crown repair that needs cure time.
Do I really need a new liner, or can I wait?
If the camera shows spalled or missing flue tiles, the liner is the only thing keeping heat and gases inside the flue. Waiting means the masonry absorbs more heat and more moisture, and the repair gets more expensive. If the liner is intact, we tell you that plainly and nothing gets sold.
Brands We Service in Los Alamitos
We stock and install chimney components from Olympia Chimney, Famco, and Copperfield, and we keep DuraFlex liner systems on hand for relining jobs. That means we do not have to guess at parts or wait on a supply house for common Los Alamitos repairs. See our brands for the full material list.
See the difference
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AfterPricing for Chimney Company in Los Alamitos, CA
| Service | Typical range in Los Alamitos |
|---|---|
| Chimney sweep (inspection-driven) | $175 – $300 |
| Chimney cap installation | $250 – $650 |
| Chimney cap replacement | $200 – $600 |
| Chimney crown repair | $550 – $1,400 |
| Chimney flashing repair | $450 – $1,100 |
| Chimney liner installation | $1,800 – $4,500 |
| Dryer vent cleaning | $125 – $250 |
What pushes a Los Alamitos chimney repair toward the top of a range is usually access: steep roof pitches, second-story chimneys, and flues that have been neglected long enough to need a full recast or a complete liner. We quote a flat price before we start, so there is no hourly meter running while we work.
Neighborhoods We Serve in Los Alamitos
We work throughout Los Alamitos, from the Old Town core out to the Rossmoor-adjacent streets where the lots are larger and the chimneys a little more custom. Most neighborhoods we serve are within a ten to fifteen minute drive of our routes through northwest Orange County.
- Old Town Los Alamitos
- Apartment and condo communities near Katella Avenue
- Ranch homes along the Rossmoor border
- Neighborhoods north of Cerritos Avenue
- Homes near Los Alamitos Boulevard
Service Area – Cities Near Los Alamitos
Walnut Chimney serves Los Alamitos and the surrounding communities in northwest Orange County and southeast Los Angeles County. If you are in a nearby city, we likely cover you as well. We regularly work in Rossmoor, CA, Hawaiian Gardens, CA, Cypress, CA, and La Palma, CA. Call us and we will confirm whether your address falls inside our service routes.
Serving Los Alamitos, CA — Our Local Coverage Area
We’re based in the Los Alamitos 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 Los Alamitos
Most Los Alamitos appointments can be scheduled within a few days, and we batch our routes through northwest Orange County to keep drive time down. Escrow inspections get priority when a closing date is involved. Call (855) 341-3461 and we will give you a real date, not a vague window.
Most chimney sweeps, cap replacements, and crown repairs do not require a permit in Los Alamitos. Liner installations and structural repairs sometimes do, depending on the scope. We will tell you plainly if your job needs a permit and what the process looks like before any work starts.
Yes. We built our company around handling chimney and dryer vent safety together, and same-day combined appointments are standard for Los Alamitos homes. It saves a second trip and a second service charge. Call us and we will schedule both at once.
If your Los Alamitos chimney or dryer vent needs attention, call Walnut Chimney at (855) 341-3461 for a free estimate. We serve all of Los Alamitos, including the 90720 and 90721 zip codes, and we will walk you through exactly what we find and exactly what it costs before any work begins.
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 Los Alamitos Customers Say
"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"Cap keeps the birds out now, which after two springs of scratching noises is worth every penny."
— Miguel Torres