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 Bonita, CA
Chimney repair in Bonita is not the same job it is in the coastal suburbs to the west. The homes here sit on larger lots, many of them custom builds from the mid-20th century with masonry open-hearth fireplaces that have seen decades of use, often converted to gas logs without the flue work to match. Ontario Chimney has served Bonita since 2014, and the repair calls we get most often come down to one recurring theme: a chimney that works fine until someone actually looks inside it. If you need a chimney company that understands Bonita’s estate homes, canyon-edge properties, and the fire-safety realities of an inland South Bay location, call us at (833) 467-7685.
Why Bonita Homes Are Different
Bonita’s housing stock runs old and custom. Drive through the neighborhoods off Bonita Road or along the Sweetwater River corridor and you’ll see ranch-style homes from the 1950s and 1960s sitting next to newer estate builds, all spread across generous lots with long driveways. That matters for chimney work. Older masonry chimneys in Bonita were built without modern liner standards, and many of them have never been relined. When homeowners in those homes convert an open hearth to gas logs, the original clay tile flue stays in place, unlined and uncapped. That is a genuine safety gap, and it is one we find on inspections all the time in the 91902 and 91908 ZIP codes.
The climate is the other piece. Bonita gets hot, dry summers and Santa Ana wind events that push wildfire risk up fast. A chimney with creosote buildup or a missing spark arrestor is not just inefficient, it is a fire hazard in a community where ember defense matters. We see fireplaces used intensely for short bursts during the mild winters, which means creosote forms quickly on flue walls and then sits through months of dry heat. Sweeping and repair work here is as much about fire-safety compliance as it is about heating performance.
The semi-rural layout changes logistics too. Multi-chimney properties are common, and some homes have both a fireplace and a freestanding wood stove on separate flues. Our techs plan for long driveways and properties where the second chimney is not visible from the street. A sweep or repair job in Bonita is rarely a quick in-and-out. It is a property inspection disguised as a maintenance call, and that is how we treat it.
Styles & brands we work with





Our Main Bonita Services
Bonita homeowners call us for two services more than any other: chimney sweeping for fire-safety and creosote removal, and dryer vent cleaning as a standalone fire-prevention job. Here is what each one involves in Bonita specifically.
Chimney Sweep in Bonita
A chimney sweep in Bonita is not just about winter warmth. It is about removing creosote from flues that burn wood during short, intense fires and then sit idle through long dry spells. We also check spark arrestors and ember screens ahead of Santa Ana wind season, because a working screen is the difference between a contained fire and an ember problem. Homes on canyon-adjacent lots need this check more than most. For the full breakdown of our sweep process, pricing, and what we inspect, see our Chimney Sweep in Bonita page.

Dryer Vent Cleaning in Bonita
Dryer vents fill with lint faster in Bonita than most homeowners expect, partly because of the fine dust that settles in the air during dry months and partly because longer vent runs on larger homes trap more debris. We clean dryer vents as a standalone fire-safety service, not as an add-on. The National Fire Protection Association points to dryer vents as a leading cause of home fires, and cleaning them is maintenance, not optional. For pricing and scheduling details, see our Dryer Vent Cleaning in Bonita 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 Bonita

Chimney repair in Bonita frequently comes down to a chimney that was built for one kind of fire and is now being used for another, or one that has never been touched since the house went up. When we inspect a 60-year-old masonry chimney in Bonita, the most common findings are cracked clay tile flue liners, crowns that have crumbled inward from heat cycling, and missing or badly fitted caps that let rain and embers into the flue. The dry summer heat and Santa Ana winds accelerate every one of these problems. Our full Chimney Repair service covers the job from inspection to final reline or rebuild, so you deal with one company the whole way through.
Chimney Cap Installation
Signs you need it
Rain water pooling inside the firebox or visible rust staining on the damper assembly means the chimney has no cap or the existing cap is not doing its job.
What it costs in Bonita
Chimney cap installation in Bonita typically runs $185 – $385, depending on flue size and whether we need to fabricate a custom bracket for an older masonry chimney.
How we do it
We measure the flue opening, select a stainless steel cap with a mesh spark arrestor, secure it to the flue tile or crown, and verify the draft with a quick smoke test.
Chimney Cap Replacement
Signs you need it
A cap that has rusted through, lost its mesh screen, or blown off in a Santa Ana wind event needs replacement before the next fire.
What it costs in Bonita
Chimney cap replacement in Bonita runs $185 – $385, with the higher end covering larger flues or caps that require masonry anchor work on deteriorated crowns.
How we do it
We remove the old cap, clean the flue rim, check the crown for damage underneath, and install a new stainless steel cap sized to the exact flue dimensions.
Chimney Liner Installation
Signs you need it
Cracked or missing clay tile sections on a camera inspection, smoke odors in the house, or a converted gas appliance venting into an unlined flue all call for a new liner.
What it costs in Bonita
Chimney liner installation in Bonita typically runs $2,500 – $5,000, with DuraFlex stainless steel systems used for offset flues that rigid liners cannot navigate.
How we do it
We run a camera inspection, map the flue path, lower a correctly sized DuraFlex liner from the crown, connect it at the appliance or firebox, and insulate as needed.
Chimney Flashing Repair
Signs you need it
Water staining on the ceiling near the chimney or visible gaps between the flashing and the roof line mean the flashing has failed.
What it costs in Bonita
Chimney flashing repair in Bonita runs $350 – $750, depending on how much of the roofline needs to be reworked and whether existing flashing can be salvaged.
How we do it
We cut back the old flashing, install new step and counter flashing, seal the seams with professional-grade mastic, and confirm the seal with a water test.
Chimney Crown Repair
Signs you need it
A crown with visible cracks, spalling concrete, or standing water on top is letting moisture into the chimney structure and needs repair or rebuild.
What it costs in Bonita
Chimney crown repair in Bonita typically runs $500 – $1,200, with the upper range covering full crown rebuilds with form work and proper overhang.
How we do it
We remove the deteriorated crown material, re-form the crown with a proper drip edge overhang, pour and finish with a weather-resistant mix, and seal the top.
What Chimney Repair Costs in Bonita
| Item | Typical range in Bonita |
|---|---|
| Chimney cap installation | $185 – $385 |
| Chimney cap replacement | $185 – $385 |
| Chimney flashing repair | $350 – $750 |
| Chimney crown repair | $500 – $1,200 |
| Chimney liner installation | $2,500 – $5,000 |
Do I really need a new liner, or is this something I can put off?
If the camera inspection shows cracked tiles or missing sections, the liner is already failing, and putting it off means combustion gases and heat reaching the masonry directly. We will show you the footage before recommending anything, and we will tell you plainly when a liner can wait. Call (833) 467-7685 if the liner has never been inspected on your Bonita home.
What if my chimney was converted to gas logs and the flue was never relined?
That is among the most common safety gaps we find in Bonita’s older estate homes, and it means the flue is not matched to the appliance venting requirements. We will run a camera, document what is there, and give you options before any work starts. Call (833) 467-7685 to book an inspection.
Brands We Service in Bonita
We work with professional-grade materials on every Bonita repair, not hardware-store substitutes. Our crews install DuraFlex stainless steel liner systems for relining work, use HeatShield ceramic resurfacing when a full tear-out is avoidable, and source caps and dampers from Copperfield and Gelco. Typical turnaround on stocked parts for Bonita jobs is under a week. See our brands for the full range.
See the difference
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AfterPricing for Chimney Company in Bonita, CA
| Service | Typical range in Bonita |
|---|---|
| Chimney sweep | $170 – $300 |
| Chimney inspection (Level 1) | $150 – $275 |
| Chimney inspection (Level 2, camera) | $250 – $450 |
| Chimney cap installation | $185 – $385 |
| Chimney cap replacement | $185 – $385 |
| Chimney flashing repair | $350 – $750 |
| Chimney crown repair | $500 – $1,200 |
| Chimney liner installation | $2,500 – $5,000 |
| Dryer vent cleaning | $130 – $240 |
Two things push chimney repair prices up in Bonita more than anywhere else in the South Bay. The first is multi-chimney properties, which are common on the estate lots and horse properties, and the second is roof access on steep or canyon-edge lots where equipment time runs longer. We give you a flat price before any work starts, and nothing gets recommended without camera evidence you can see yourself.
Neighborhoods We Serve in Bonita
Bonita’s low-density layout means we are routing across the whole 91902 and 91908 area rather than working pocket to pocket. Most of our Bonita calls come from the following neighborhoods, and we typically reach anywhere in the area within a day or two of booking, depending on the season.
- Bonita Highlands
- Bonita Woods
- Bonita Verde
- Sweetwater River corridor
- Canyon-side lots east of Bonita Road
Service Area – Cities Near Bonita
We run the same crews and the same camera-first inspection standard across the surrounding South Bay communities. If you are in Chula Vista, CA, National City, CA, La Presa, CA, or Lemon Grove, CA, we handle the same chimney, venting, and dryer-exhaust work with the same pricing structure. Scheduling runs city by city, so call (833) 467-7685 to confirm the next available window for your area.
Serving Bonita, CA — Our Local Coverage Area
We’re based in the Bonita 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 Bonita
Most Bonita repairs are scheduled within a few days to a week, depending on the season. Early fall, before Santa Ana wind season, is our busiest booking window in the 91902 and 91908 ZIP codes, so call (833) 467-7685 earlier if you can. Emergency cap or flashing work after a wind event gets priority scheduling.
Routine sweeping and cap or flashing repairs do not require permits in Bonita. Full liner installation or structural rebuilds may fall under county permit requirements depending on scope, and some Bonita neighborhood associations have exterior appearance rules that affect cap choices. We can tell you what applies to your property when we inspect it.
Yes, and multi-chimney properties are common in Bonita. We quote per flue, but scheduling both in one visit keeps the trip charge down and gets the whole property done in a single morning. If you are buying or managing a Bonita home with more than one fireplace or stove flue, call (833) 467-7685 and we will plan the visit around all of them.
If your Bonita chimney needs a sweep, a repair, or a full inspection before fire season, call Ontario Chimney at (833) 467-7685 for a free estimate. We serve the entire Bonita area, from the canyon-edge estates to the ranch homes off Bonita Road, and we will show you exactly what we find before any work is recommended.
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 Bonita 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."
— Eric Tran"Swept it, capped it, and installed a proper damper. The downdraft smell in the summer that we'd lived with for years is gone."
— David Park"Drop cloths everywhere, HEPA vac, and not a speck of soot on the carpet. I'd been dreading the mess for nothing."
— Bethany Padgett