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 San Marcos, CA
Chimney repair in San Marcos usually means one of two things: a cap that let wind and rain in, or a flue liner that has quietly reached the end of its life inside a 1970s tract home or an older hillside custom build. We handle both, plus crown repair, flashing, and full liner replacement when the camera says it is time. Most San Marcos chimneys sit idle from April through November, which gives creosote, nests, and moisture plenty of time to do damage nobody sees until the first fire of winter. If you are in 92069, 92078, 92079, or 92096, call (833) 589-8164 and we will start with a straight answer about what is actually wrong.
Why San Marcos Homes Are Different
San Marcos sits far enough inland that the marine layer burns off early, and the Santa Ana winds that push through in fall are dry, hot, and unforgiving. Chimneys here do not stay damp like coastal flues do, but they do collect airborne debris, leaf litter, and the kind of creosote glaze that forms during occasional winter use and then bakes hard through summer. In the canyon-adjacent hillside neighborhoods, we routinely remove twigs, bird nests, and rodent nests from caps and flues after wind events, and more homeowners ask us about spark arrestors and cap screens as wildfire season approaches than as fireplace season does.
The housing stock matters even more. San Marcos mixes 1970s to 1990s tract subdivisions and hillside custom homes, much of it in 92069 and 92078, with newer master-planned development. The older homes commonly have original fireplaces and flues that have never been documented or inspected. A masonry chimney from 1985 with a clay tile liner and a rusting cap is a different job than a factory-built unit from 2015. We plan for both.
Styles & brands we work with





Our Main San Marcos Services
Most San Marcos homeowners first call us for one of two jobs, and they are the two systems in your house that quietly create fire risk: the chimney and the dryer vent.
Chimney Sweep in San Marcos
A sweep here is rarely just about soot. After a dry summer and a few Santa Ana events, caps fill with leaves and twigs, and critters can get in through damaged screens. We clean the full flue, inspect the liner and cap, and let you know if anything needs repair. In San Marcos, this regularly doubles as a pre-red-flag-season safety check, especially in canyon-edge neighborhoods where a stray spark is a serious concern. See our full page on Chimney Sweep in San Marcos for pricing and what we check.

Dryer Vent Cleaning in San Marcos
Dryer vents clog with lint even when the lint trap is cleaned every load, and newer San Marcos homes often route vents through roofs or long exterior walls. That makes the system harder to see and easier to ignore. We document airflow before and after, clean the full run, and treat this as a fire-prevention service, not an add-on. If your clothes take longer than 40 minutes to dry, the vent is almost certainly restricted. Details are on our Dryer Vent Cleaning in San Marcos 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 San Marcos
Chimney repair is the work we do most, because San Marcos is full of chimneys from the 1980s and 1990s that have never had a professional look past the fireplace itself. We regularly find cracked crowns, rusted caps, failed flashing, and clay liners with gaps that let heat reach combustible framing. A Santa Ana wind can turn a small flashing leak into a ruined ceiling in one season. We carry repair components on the truck, so when we find damage we can usually fix it the same day rather than handing you off to a second contractor. That is the whole point of having a repair-capable sweep: if we find it, we can fix it. The full scope of our repair work lives on our Chimney Repair page.
Chimney Cap Installation
Signs you need it
You hear rain dripping into the fireplace, find leaves or twigs in the firebox, or smell a stale, damp odor coming from the chimney even when it is warm outside.
What it costs in San Marcos
New cap installation in San Marcos typically runs $225 – $385 depending on flue size and whether the crown needs minor prep work first.
How we do it
We measure the flue, select a stainless or copper cap sized to fit, secure it to the crown, and seal the mounting points so water and debris cannot find a route in.
Chimney Cap Replacement
Signs you need it
The existing cap is rusted through, bent from wind or falling branches, or the mesh screen is torn and birds or rodents have gotten in.
What it costs in San Marcos
Replacing a damaged cap in San Marcos generally costs $280 – $440, including removal of the old cap and proper fitment of the new one.
How we do it
We remove the old cap without damaging the crown, clean the mounting area, install a properly sized replacement, and check the spark arrestor screen so the new cap does not introduce fresh airflow problems.
Chimney Liner Installation
Signs you need it
A level 2 camera inspection shows cracked clay tiles, gaps between liner sections, or spalling, or the flue is unlined and heat has begun to transfer into surrounding framing.
What it costs in San Marcos
Full liner replacement in San Marcos typically lands between $2,200 and $4,000 depending on length, diameter, and access, with resurfacing through a system like HeatShield often running less when the existing liner is structurally intact.
How we do it
We run a camera through the flue, document the damage, then install a flexible DuraFlex liner sized to the appliance and the flue, insulating where local code and chimney geometry require it.
Chimney Flashing Repair
Signs you need it
You see water staining on the ceiling near the fireplace, damp drywall in the chase, or rust marks on the exterior where the chimney meets the roofline.
What it costs in San Marcos
Flashing repair in San Marcos typically runs from $350 to $800, depending on how much of the roofline needs to come out and whether the old flashing was installed without proper layering.
How we do it
We remove the old flashing, inspect the underlayment, install step and counter flashing in the correct order, and seal with a roof-rated sealant that stands up to San Marcos heat and Santa Ana winds.
Chimney Crown Repair
Signs you need it
The concrete crown has visible cracks, chips, or standing water pooling on top, or you see efflorescence streaking down the chimney exterior.
What it costs in San Marcos
Crown repair here generally costs $400 – $850, with full crown replacement pushing toward $1,000 when the original crown was poured too thin or without proper expansion joints.
How we do it
We clean and prep the crown, fill cracks with a flexible sealant, and apply a bond-breaking membrane and water-resistant crown coat so water cannot keep working its way into the masonry.
What Chimney Repair Costs in San Marcos
| Item | Typical range in San Marcos |
|---|---|
| Chimney cap installation | $225 – $385 |
| Chimney cap replacement | $280 – $440 |
| Chimney flashing repair | $350 – $800 |
| Chimney crown repair | $400 – $850 |
| Chimney liner installation (full reline) | $2,200 – $4,000 |
Can you repair a chimney liner without replacing the whole thing?
Often, yes. If the existing liner is still structurally sound but has cracked tiles or gaps, HeatShield resurfacing can restore the flue surface and seal it without a full tear-out. We recommend full replacement when the liner has collapsed, shifted, or separated badly enough that resurfacing would not hold.
How long does chimney repair take in San Marcos?
Most cap, crown, and flashing jobs are finished in a single visit, typically two to four hours. A full liner replacement usually takes a full day, sometimes two if access is tight or the chase needs masonry work first. We confirm the timeline after the camera inspection.
Brands We Service in San Marcos
We stock and install the same professional-grade components serious chimney contractors specify nationwide. That includes Olympia Chimney caps and dampers, Famco roof vents and caps, Copperfield components, and DuraFlex liner systems. Having them on hand means a discovered problem in San Marcos does not automatically mean a second appointment. See our brands for more on what we carry and why it matters.
See the difference
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After
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AfterPricing for Chimney Company in San Marcos, CA
| Service | Typical range in San Marcos |
|---|---|
| Chimney sweep (standard, accessible flue) | $199 – $349 |
| Level 2 video inspection | $250 – $450 |
| Chimney cap installation | $225 – $385 |
| Chimney cap replacement | $280 – $440 |
| Chimney flashing repair | $350 – $800 |
| Chimney crown repair | $400 – $850 |
| Chimney liner installation (full reline) | $2,200 – $4,000 |
| Dryer vent cleaning | $150 – $300 |
Prices in San Marcos tend to move up when a chimney is on a steep hillside roof, when caps or crowns need masonry prep beyond the repair itself, or when an older flue requires multiple short sections of liner. We give a fixed price before any work starts and never add surprise charges after discovery, so you are not quoted one figure and billed another.
Neighborhoods We Serve in San Marcos
We cover the full city, from the older tract neighborhoods in 92069 and the hillside homes in 92078 to the newer developments in 92079 and the outlying areas of 92096. Most areas are reachable within one to two business days for non-emergency repairs.
- San Elijo Hills
- Discovery Hills
- Santa Fe Hills
- Richland
- Creekside
Service Area – Cities Near San Marcos
Beyond San Marcos itself, we regularly work in the surrounding North County communities, including Lake San Marcos, CA, Hidden Meadows, CA, and down 78 through Escondido, CA and Vista, CA. If you are just outside the city line, call us and we will confirm coverage.
Serving San Marcos, CA — Our Local Coverage Area
We’re based in the San Marcos 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 San Marcos
Most cap, crown, and flashing repairs do not require a permit. Full liner replacement or structural changes to the chimney can require one, and we handle the paperwork when local code calls for it. We will tell you before starting whether your job is permit-free or needs filing.
For most jobs we can schedule within one to two business days. During red-flag season and the first cold snap of fall, the calendar fills fast, so call earlier in the week if you can. We are based out of Carlsbad and work San Marcos regularly, not as an occasional detour.
Some newer master-planned communities have design standards for exterior components like caps and chase covers. We are familiar with what most local HOAs ask for and can match the finish and profile to what the board expects, so you are not fighting the approval process after we leave.
If you need chimney repair, a first-time inspection, or a dryer vent that is long overdue for cleaning, call Supreme Chimney Sweep at (833) 589-8164. We serve San Marcos with a free estimate and a straight answer, every time.
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 San Marcos Customers Say
"Drop cloths everywhere, HEPA vac, and not a speck of soot on the carpet. I'd been dreading the mess for nothing."
— Greg Norris"Honest people. That's getting rare."
— Ramon Flores"Older house, weird setup, previous owner did some creative things. He didn't sigh or roll his eyes, he just figured it out. Took him a while but he got there."
— Norma Delgado