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 Antonio Heights, CA
Chimney repair in San Antonio Heights usually starts with a camera inspection to find what is actually failing inside the flue, whether that is cracked clay tile, rusted flashing, or a crown that has lost its seal against foothill weather. Homes here sit on sloped lots between roughly 1,500 and 2,000 feet, where colder nights and Santa Ana wind events put real stress on masonry and venting systems. If you need chimney work in San Antonio Heights, call Mantel Chimney Sweep at (844) 821-5749 and we will tell you exactly what we found, with photos, before any repair is recommended.
Why San Antonio Heights Homes Are Different
San Antonio Heights is one of the few unincorporated foothill communities on the south slope of the San Gabriel Mountains, and that changes almost every chimney job. Nearly every home is a hillside property with its own roof pitch, wind exposure, and masonry configuration. There is no cookie-cutter sweep or repair here. Access, draft, and creosote buildup vary house to house across the winding canyon-grade streets above Upland, which means a chimney that drafts fine on one street may pull smoke back into the house on another when the wind shifts.
The housing stock is mostly mid-century to late-1900s single-family homes on sloped lots, many with masonry fireplaces and wood-burning inserts original to construction or added during the 1980s and 1990s wood-heat boom. You also see scattered custom builds with taller chimneys driven by the hillside terrain. Those older fireplaces were built for occasional use, but San Antonio Heights gets a genuine fireplace season, with colder nights than the valley floor below. That means real creosote accumulation, real flue wear, and real reasons to keep the system inspected.
The surrounding Very High Fire Hazard Severity Zone status puts chimney and flue condition front and center for insurance-minded homeowners. Long dry summers and fall Santa Ana wind events keep the area under high fire-hazard pressure. We routinely get calls from San Antonio Heights homeowners after windstorms, reporting smoke pushing back down chimneys. The Santa Ana funneling down the canyon mouths can create downdraft complaints that valley homeowners never experience.
Styles & brands we work with





Our Main San Antonio Heights Services
San Antonio Heights homeowners call us most often for two jobs: keeping the fireplace safe through burning season and clearing the dryer vent that has been quietly packing lint behind the wall. Both are fire prevention at their core.
Chimney Sweep in San Antonio Heights
A chimney sweep in San Antonio Heights is not a quick brush-through. The hillside lots and older masonry fireplaces here mean we check the full system: flue condition, spark arrestor, screen, and draft, not just the creosote you can see from the hearth. After a Santa Ana event, we pay extra attention to downdraft complaints and any sign the cap or screen took wind damage. If your fireplace has not been swept in a year or you have burned more than a cord of wood, start with a sweep and a camera check. Chimney Sweep in San Antonio Heights

Dryer Vent Cleaning in San Antonio Heights
Dryer vent cleaning in San Antonio Heights matters more than people assume. Many homes here run dryers against exterior walls on the uphill side, which often means longer vent runs, more bends, and more lint accumulation than a typical valley home. A clogged dryer vent is one of the top causes of residential fires, and in a Very High Fire Hazard Severity Zone, that risk sits next to the chimney risk. If your dryer takes longer than one cycle to dry a load, the vent is already restricted. Dryer Vent Cleaning in San Antonio Heights

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 Antonio Heights
Chimney repair in San Antonio Heights often comes down to two things: water getting in where it should not, and flue gases getting out where they should not. The older masonry fireplaces original to these foothill homes were built with clay tile liners that crack over decades of heating and cooling cycles, and the freeze-thaw stress that comes with elevation. Once a liner is cracked, the chimney is no longer safely venting. We come across cracked flue tiles, deteriorated crowns, rusted flashing, and missing caps on a regular basis up here, and we repair what we find rather than handing you a report and leaving. For a full scope of our repair work, see Chimney Repair.
Chimney Cap Installation
Signs you need it
You see rust flakes on the hearth, hear animals or birds inside the flue, or notice water dripping into the firebox after rain.
What it costs in San Antonio Heights
Chimney cap installation in San Antonio Heights typically runs $200 to $700, including the cap and mounting, depending on flue size and access.
How we do it
We measure the flue, select a stainless cap sized for it, and mount it with mechanical fasteners so wind from the canyon mouths cannot dislodge it.
Chimney Cap Replacement
Signs you need it
The cap is rusted through, missing mesh, or was blown off during a Santa Ana event and the flue is now open to rain and animals.
What it costs in San Antonio Heights
Chimney cap replacement in San Antonio Heights typically costs $250 to $750 when the old cap must be removed and a new one fitted to the existing flue.
How we do it
We remove the old cap, check the flue tile underneath for damage, and install a new stainless cap sized to the actual flue dimensions.
Chimney Liner Installation
Signs you need it
A camera inspection shows cracked clay tiles, gaps between sections, or you are switching a fireplace to a wood stove or insert that requires a properly sized liner.
What it costs in San Antonio Heights
Chimney liner installation in San Antonio Heights generally runs $2,500 to $7,000 depending on flue length, liner material, and whether it is a flex or rigid system.
How we do it
We run a DuraFlex stainless liner down the flue, insulate where needed, and connect it to the appliance with a proper top plate and cap.
Chimney Flashing Repair
Signs you need it
You see water stains on the ceiling near the chimney, damp drywall around the firebox, or rusted metal where the chimney meets the roof.
What it costs in San Antonio Heights
Chimney flashing repair in San Antonio Heights typically runs $350 to $900 depending on roof pitch and how much of the flashing must be replaced.
How we do it
We remove the old flashing, seal the chimney-to-roof junction properly, and install new flashing that holds up to hillside wind and rain exposure.
Chimney Crown Repair
Signs you need it
The concrete crown on top of the chimney is cracked, spalled, or so deteriorated that water is soaking into the masonry below.
What it costs in San Antonio Heights
Chimney crown repair in San Antonio Heights typically costs $450 to $1,500 depending on crown size and whether it needs a full rebuild or crack sealing.
How we do it
We repair or rebuild the crown with a proper overhang and seal it so water sheds off the chimney rather than soaking into brick and mortar.
What Chimney Repair Costs in San Antonio Heights
| Item | Typical range in San Antonio Heights |
|---|---|
| Chimney cap installation | $200 – $700 |
| Chimney cap replacement | $250 – $750 |
| Chimney liner installation | $2,500 – $7,000 |
| Chimney flashing repair | $350 – $900 |
| Chimney crown repair | $450 – $1,500 |
How often should a chimney in San Antonio Heights be swept?
Every year if you burn wood regularly, and before burning season if you have not used the fireplace since spring. The hillside elevation here means a longer burning season, so creosote builds up faster than in valley homes.
Do I really need a new liner, or can it wait?
If the liner is cracked, no. A cracked liner lets heat and gases reach the masonry around the flue, which is a fire risk. We show you the camera footage so you can see the crack yourself before any liner work is recommended.
Brands We Service in San Antonio Heights
We work with a curated set of professional chimney-industry brands, including DuraFlex, HeatShield, and Famco. Parts are ordered to the San Antonio Heights job site, not pulled from whatever is on a shelf, so turnaround is straightforward and the materials are right for the job. Learn more about our brands.
See the difference
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After
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AfterPricing for Chimney Company in San Antonio Heights, CA
| Service | Typical range in San Antonio Heights |
|---|---|
| Chimney sweep | $180 – $340 |
| Chimney cap installation | $200 – $700 |
| Chimney cap replacement | $250 – $750 |
| Chimney liner installation | $2,500 – $7,000 |
| Chimney flashing repair | $350 – $900 |
| Chimney crown repair | $450 – $1,500 |
| Dryer vent cleaning | $89 – $199 |
In San Antonio Heights, hillside access and roof pitch push prices toward the upper end of these ranges when we need extra ladder work or safety rigging. Long flue runs on custom builds also add to liner costs. You get a firm price before we start, and nothing changes unless we find something that genuinely changes the scope, which we show you before touching it.
Neighborhoods We Serve in San Antonio Heights
We work across San Antonio Heights, from the lower streets near 23rd and 24th up through the winding canyon-side roads where the bigger custom homes sit. Most appointments in this area can be scheduled within the week because we run crews up from the valley regularly.
- Canyon-side streets above Upland
- Lower San Antonio Heights near the city boundary
- Foothill lots along Mountain Avenue
- Custom home sites with taller chimneys on the upper slopes
- Mid-century neighborhoods off Euclid Avenue
Service Area – Cities Near San Antonio Heights
Mantel Chimney Sweep serves San Antonio Heights and the surrounding foothill and valley communities. We work regularly in Upland, CA, Claremont, CA, Rancho Cucamonga, CA, and Montclair, CA, which means we know this stretch of the 210 corridor and the foothill streets above it.
Serving San Antonio Heights, CA — Our Local Coverage Area
We’re based in the San Antonio Heights 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 Antonio Heights
We schedule San Antonio Heights jobs most weeks because we run crews through the foothill corridor regularly. A routine sweep can usually be booked within a few days. Repair jobs depend on what the camera inspection shows and how quickly materials like custom caps or liners arrive.
San Antonio Heights is unincorporated, so most chimney repairs and sweeps do not require county permits. Liner installations and structural work may, depending on scope. We will tell you plainly if a permit applies to your job before work starts.
Yes. 91784 covers San Antonio Heights, and we serve the entire area, from the lowest streets near Upland up through the hillside lots. If you are in 91784 and have a fireplace or dryer vent question, call (844) 821-5749 and we will sort it out.
If you have a fireplace, wood stove, insert, or dryer vent in San Antonio Heights and want a straight answer about its condition, call Mantel Chimney Sweep at (844) 821-5749. We will inspect, show you what we find, and give you a free estimate 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 San Antonio Heights Customers Say
"Swept it, capped it, and installed a proper damper. The downdraft smell in the summer that we'd lived with for years is gone."
— Tiana Robinson"Got a text with the technician's name and photo before he arrived. Small thing, but as a woman home alone during the day I actually really appreciated it."
— Yolanda Reyes"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."
— Beatriz Torres