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 Aliso Viejo, CA
Chimney repair in Aliso Viejo is usually about factory-built metal fireboxes and gas inserts that have gone uninspected for a decade, not about crumbling brick. Most homes here were built after 1980, which means the fireplaces were never engineered for heavy wood burning, and the real work is replacing failed caps, repairing flashing at the stucco transition, and restoring liners that have quietly deteriorated. Ontario Chimney has served Aliso Viejo since 2014, and we handle the full repair scope, from sweep to structural fix, so you deal with one company from inspection through completion. Call (833) 467-7685 for a free estimate.
Why Aliso Viejo Homes Are Different
Aliso Viejo is a master-planned community where nearly every home was built after 1980, so chimney cleaning here is rarely about clearing decades of creosote from old masonry. It’s about servicing factory-built metal fireboxes and gas inserts that most owners treat as decorative and never inspect. A typical Aliso Viejo sweep is less “chimney sweep” and more “inspection and compliance check” for fireplace systems that were never designed for heavy wood burning. The Mediterranean and Spanish-style tract homes and attached townhomes in ZIP codes 92656 and 92698 share a common profile: wood-framed construction, stucco exteriors, and prefabricated chimney chases that often run through shared walls in attached clusters.
The mild coastal Southern California climate means no freeze-thaw stress on masonry, but it also means unused flues sit idle for months and become habitats. We see dry-rot at the chase tops, squirrel and bird nesting in uncapped flues, and bee colonies inside enclosures that were never sealed properly. Soot from occasional ambiance fires builds up differently than heavy creosote from regular burning, and the real risk in Aliso Viejo is that a homeowner assumes a gas insert needs no maintenance at all. It does. Every fire, even a gas log set, produces combustion gases that leave deposits, and any flue serving a fireplace needs an annual look.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Our Main Aliso Viejo Services
Most Aliso Viejo homeowners call us for two reasons: they want the fireplace system inspected and cleaned before they use it, or they want the dryer vent cleared as a standalone fire-safety measure. Both are handled by the same trained technicians.
Chimney Sweep in Aliso Viejo
In Aliso Viejo, a sweep is less about removing creosote and more about verifying that a factory-built system is still intact. We remove the logs or grate, vacuum the firebox, brush the flue, and inspect the cap, chase cover, and visible liner. In attached townhome clusters off Aliso Creek Road, we regularly find identical builder-grade caps failing at the same age, with nesting birds repeating the same pattern unit after unit. If you want the full breakdown of what a sweep includes and what it costs here, see our Chimney Sweep in Aliso Viejo page.

Dryer Vent Cleaning in Aliso Viejo
Dryer vents are a leading cause of house fires, and cleaning them is maintenance, not optional. In Aliso Viejo, laundry rooms are often interior spaces with longer vent runs to the exterior, which means more surface area for lint accumulation. The NFPA attributes thousands of home fires annually to dryer vent failure, and the fix is straightforward: we brush the full run, clear the termination, and confirm airflow. This is a core service for us, not an upsell. Details are on our Dryer Vent Cleaning in Aliso Viejo page.

Chimney Repair in Aliso Viejo

Chimney repair in Aliso Viejo most often means replacing a rusted chase cover, repairing a leaking flashing seam where the chimney meets the stucco, or relining a factory-built flue. Homes built in the 1980s and 1990s are hitting the age where original components fail, and because so many units share identical construction, one neighborhood will see the same failure pattern across dozens of houses. We handle everything from cap replacement to full Chimney Repair, and we’ll tell you what we found, show you the evidence, and give you options.
Chimney Cap Installation
Signs you need it
You see rust flakes on the roof near the chimney, water staining inside the firebox, or birds entering the flue.
What it costs in Aliso Viejo
Chimney cap installation in Aliso Viejo typically runs $150 – $250 for the cap plus $50 – $100 for install labor, depending on access.
How we do it
We measure the flue opening, select a Famco or Gelco cap sized for the termination, and mechanically fasten it to the flue tile or chase top, then verify the draw.
Chimney Cap Replacement
Signs you need it
The existing cap is rusted through, mesh is torn and allowing pests, or the cap has blown off entirely and is missing.
What it costs in Aliso Viejo
Replacing a failed cap in Aliso Viejo costs about $150 – $250 for the part and $50 – $100 for labor, the same range as a new install since the old unit is simply removed and discarded.
How we do it
We remove the damaged cap, inspect the flue opening for corrosion, and install a properly sized replacement from brands like Famco or Gelco, then check that the spark arrestor mesh is intact.
Chimney Liner Installation
Signs you need it
A camera inspection shows cracked flue tiles, gaps between sections, or missing mortar joints, or the liner is a flexible aluminum type never rated for wood burning.
What it costs in Aliso Viejo
Chimney liner installation in Aliso Viejo ranges $1,800 – $2,500 for materials plus $300 – $600 for professional installation, using a DuraFlex stainless system.
How we do it
We size the liner to the appliance and flue dimensions, run a DuraFlex flexible stainless liner through the chase, insulate where required, and connect it to the termination cap.
Chimney Flashing Repair
Signs you need it
You see water staining on the ceiling near the fireplace, damp drywall around the chimney chase, or cracked sealant at the roof-to-chimney junction.
What it costs in Aliso Viejo
Flashing repair in Aliso Viejo costs $250 – $850 depending on whether we’re resealing a seam or replacing damaged flashing and counter-flashing.
How we do it
We remove old sealant, inspect the flashing and counter-flashing for corrosion, replace damaged metal, and re-seal the transition using professional-grade materials.
Chimney Crown Repair
Signs you need it
The concrete crown at the top of the chase is cracked, spalled, or pulling away from the flue, letting water run down into the chase interior.
What it costs in Aliso Viejo
Crown repair in Aliso Viejo runs $450 – $850 for crack sealing and resurfacing, with full crown replacement ranging $1,000 – $1,500 when the concrete is structurally failed.
How we do it
We clean the existing crown, fill cracks with a flexible sealant, and apply a resurfacing compound that sheds water away from the flue and chase walls.
What Chimney Repair Costs in Aliso Viejo
| Item | Typical range in Aliso Viejo |
|---|---|
| Chimney cap installation | $150 – $250 (part) + $50 – $100 (labor) |
| Chimney cap replacement | $150 – $250 (part) + $50 – $100 (labor) |
| Chimney liner installation | $1,800 – $2,500 (materials) + $300 – $600 (installation) |
| Chimney flashing repair | $250 – $850 |
| Chimney crown repair | $450 – $850 (resurfacing) / $1,000 – $1,500 (replacement) |
Is a cracked chimney crown really urgent in Aliso Viejo?
Yes, because even a hairline crack lets water into the chase, and here that means dry-rot in the wood framing behind the stucco. The crack will not heal, and the repair gets more expensive the longer it waits. Call (833) 467-7685 and we’ll assess it before it spreads further.
Do Aliso Viejo townhomes need different chimney repair than single-family homes?
Often yes. Attached units may share a chimney chase, which means one neighbor’s water leak can affect the adjoining unit. We check the shared chase condition and flag issues early, which is cheaper than repairing two walls and one chase. Call (833) 467-7685 for an exact quote, estimates are free.
Brands We Service in Aliso Viejo
We work with a curated set of professional-grade brands, including DuraFlex, HeatShield, Famco, Gelco, Olympia Chimney, and Copperfield. Parts are stocked for the common Aliso Viejo chase configurations, which means most cap and damper replacements are completed same-visit. See our brands for the full line.
See the difference
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AfterPricing for Chimney Company in Aliso Viejo, CA
| Service | Typical range in Aliso Viejo |
|---|---|
| Chimney sweep | $180 – $340 |
| Dryer vent cleaning | $150 – $250 |
| Chimney cap installation | $150 – $250 (part) + $50 – $100 (labor) |
| Chimney cap replacement | $150 – $250 (part) + $50 – $100 (labor) |
| Chimney liner installation | $1,800 – $2,500 (materials) + $300 – $600 (installation) |
| Chimney flashing repair | $250 – $850 |
| Chimney crown repair | $450 – $850 (resurfacing) |
| Chimney crown replacement | $1,000 – $1,500 |
What pushes prices up in Aliso Viejo is mainly access: second-story chase tops, steep roof pitches on Mediterranean-style homes, and shared chases in attached units that require more careful sealing. Every job is quoted at a flat price and agreed before we book, so there is no surprise line item on the invoice.
Neighborhoods We Serve in Aliso Viejo
We cover the full Aliso Viejo area, including both ZIP codes 92656 and 92698, from the townhome clusters near Aliso Creek Road to the single-family tracts east of Aliso Viejo Parkway. Response time is typically one to three business days depending on the season.
- Glenwood
- Westridge
- Pacific Ridge
- Aliso Villas
- Seaview
Service Area – Cities Near Aliso Viejo
We serve Aliso Viejo and the surrounding South Orange County communities, including Laguna Woods, CA, San Joaquin Hills, CA, Laguna Hills, CA, and Irvine, CA. Same travel-day scheduling is available when our calendar aligns, and estimates are always free.
Serving Aliso Viejo, CA - Our Local Coverage Area
We’re based in the Aliso Viejo 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 Aliso Viejo
Most Aliso Viejo appointments are scheduled within one to three business days. During the late fall and early winter, we book further out, which is why scheduling before the burning season starts is the smart move. Call (833) 467-7685 and we’ll find the next open slot that works for you.
Some attached townhome HOAs require advance notice or have rules about exterior alterations like cap changes, and we’re familiar with the typical Aliso Viejo HOA expectations. If your association has a form, we can provide the service description and scope so you can get approval without delay.
One company from inspection to repair. We sweep, inspect, and if the inspection turns up a cracked cap or a liner problem, we quote the repair and do the work ourselves. You never get handed a camera report and told to find a contractor.
If your fireplace or dryer vent is due for a look, call Ontario Chimney at (833) 467-7685. We’ll tell you what we found, show you the evidence, and give you options. Serving Aliso Viejo since 2014. home
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 Aliso Viejo 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