Fast, Reliable Chimney Repair Across Westmont
Chimney repair in Westmont typically runs $280-$1,800 depending on scope, and our Chimney Repair team completes most jobs in a single visit with upfront pricing locked before we start. We answer calls with a live person 24 hours a day at (844) 803-1545, and we carry the brands Westmont’s 1940s-1960s bungalows actually need in our trucks.
Westmont sits unincorporated in LA County, which means permits and code compliance fall under LA County Fire and DPW rather than any city department. That distinction trips up plenty of contractors who work here once and never return. We’ve been navigating those channels since 1984, and we know which inspector covers the 90047 ZIP. From the small Craftsman cottages along West Century Boulevard to the post-war bungalow courts near Vermont Avenue, we’ve repointed mortar, rebuilt crowns, and replaced flashing on chimneys that have stood for 60 to 80 years. Russell Haines built this company on the principle that a repair should outlast the person who pays for it.
Why Hearthstone Chimney Co. Is Westmont’s Preferred Chimney Repair Company
Forty-two years in this region means we’ve watched Westmont’s housing stock age in real time. The 90047 ZIP is dominated by small post-war bungalows and Craftsman cottages built between the 1940s and 1960s, many now long-term rental properties with absentee owners and chronic deferred maintenance. Original brick-and-mortar chimneys on these homes are now 60-80 years old, with crumbling mortar joints, uncapped crowns, and clay flue tiles that have never been relined. We document every inspection with photos and a plain-English verdict, so owners in View Park-Windsor Hills or property managers with units near Westmont see exactly what we see.
Our technicians are background-checked and uniformed, and most repairs finish in one visit. The 90-Day Done Right Promise covers every job in writing, no arguing, no paperwork chase. If it’s not right, we come back. Calls reach a live person, not a voicemail tree, every hour of every day. That’s not a marketing line; it’s how we’ve operated since Russell Haines founded the company.
Our Chimney Repair Services in Westmont
Mortar Repointing
The lime-based mortar in a 1950s Westmont bungalow has a lifespan of roughly 60 to 75 years. When it turns to powder, water seeps behind the brick, freezes during the occasional cold snap, and blows the face off the masonry. Repointing in Westmont runs $380-$650 for a standard single-flue chimney. We grind out the failed joint to proper depth and pack new mortar matched to the original composition, not a quick surface smear.

Spalling Brick Repair
South LA’s mild Mediterranean climate limits meaningful fireplace use to a handful of nights per year, leaving chimneys idle and exposed to moisture for 11 or more months. When rain does penetrate a failed crown or deteriorated mortar, brick faces pop off in sheets. Spalling repair in Westmont typically costs $450-$900 depending on how many courses need replacement. We source matching brick when possible and always address the water source that caused the damage.

Chimney Waterproofing
A breathable silane-siloxane sealant application on a Westmont chimney runs $280-$480 and buys 10 to 15 years of protection against the slow moisture intrusion that destroys masonry in this climate. We apply it only after repairing existing damage; sealing over cracks traps water and accelerates decay. For homes near the busier corridors where exhaust particulates mix with fog, this treatment pays for itself in avoided rebuild costs.

Flashing Repair
Step flashing where a Westmont bungalow’s chimney meets the roofline is often original galvanized steel, 60-plus years old and rusted through at the bend. Replacement with copper or lead-coated copper flashing runs $320-$580. We also handle Chimney Cap & Crown in Westmont work when the flashing failure has damaged the crown below.

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.
Trusted Brands We Service in Westmont
We stock professional-grade materials from HeatShield, Gelco, and Olympia Chimney on our trucks, which means no waiting on a parts run to a warehouse in the Valley. HeatShield’s cerfractory flue resurfacing system handles the cracked clay tiles we find in Westmont’s older liners. Gelco caps and screens fit the odd-size flue openings common in post-war construction. Olympia Chimney’s stainless steel liners carry lifetime warranties when we need to reline a system that’s beyond patching. No builder-grade substitutes, no surprises on the bill.
Common Chimney Repair Problems We See in Westmont Homes
- Zero creosote, full bird nest. Westmont techs frequently open a 1950s bungalow damper to find zero creosote glaze but a complete starling or raccoon nest wedged into the clay tile liner. The hazard is structural decay and blockage from neglect, not heavy burning.
- Open crowns admitting years of rain. Original concrete chimney crowns on 90047 homes have no overhang and no drip edge. By year 40 they crack, and by year 60 they’re porous enough to wick water directly into the core.
- Failed flashing hidden by stucco. Many Westmont bungalows have stucco-to-chimney transitions that conceal rusted step flashing. Water stains on interior ceilings near the fireplace often trace to this junction, not the roof field.
- AQMD Spare the Air deferred maintenance. No-Burn advisories compress the usable season to a few December and January nights, so chimneys sit idle for years. When a cold front arrives, tenants light first fires in systems that haven’t been inspected since the 1990s.
Pricing for Chimney Repair in Westmont, CA
Here’s what chimney repair costs in the Westmont market as of 2025:
| Service | Typical Range in Westmont |
|---|---|
| Mortar repointing (standard chimney) | $380-$650 |
| Spalling brick repair (partial) | $450-$900 |
| Chimney waterproofing (sealant application) | $280-$480 |
| Flashing repair/replacement | $320-$580 |
| Partial chimney rebuild (above roofline) | $1,200-$1,800 |
| Crown rebuild or pour | $480-$850 |
Three factors move Westmont jobs toward the higher end: access difficulty on steep roofs, the need for LA County permit coordination on rebuilds, and the extent of hidden water damage behind spalled brick. We provide no-hassle upfront pricing after inspection, the number on the estimate is the number on the invoice, and we offer $50 off any repair over $250. Call (844) 803-1545 for a free estimate.
We Also Serve Cities Near Westmont
Our repair crews work daily across South LA, including Westmont neighbors in View Park-Windsor Hills, West Athens, Inglewood, and Lennox. We also provide Fireplace Services in Westmont for homeowners whose repair needs extend to the firebox, damper, or gas conversion. Same live-answer phone, same 90-Day Done Right Promise, same upfront pricing in every ZIP we cover.
Serving Westmont, CA - Our Local Coverage Area
We’re based in the Westmont 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 - Chimney Repair in Westmont
We typically schedule Westmont repairs within 24 to 48 hours, and emergency calls for active water intrusion or structural hazards receive same-day response. Call (844) 803-1545 and a live person will find the next available slot.
Yes, we work across the entire 90047 ZIP, from the bungalow courts near Vermont Avenue to the Craftsman pockets closer to West Century Boulevard, and we coordinate directly with property managers and out-of-state owners. Our Chimney Repair in Westmont service includes documentation photos for owner records.
Yes, our phones are staffed by a live person 24 hours a day, 7 days a week, including holidays, and we dispatch for genuine emergencies such as chimney fires, collapsing masonry, or active roof leaks. For non-emergency repairs, we schedule during standard hours to respect your time and ours.
Pricing is consistent across our South LA service area; Westmont’s unincorporated status does not add cost. The only variable is LA County permit fees on rebuilds, which we disclose upfront. Our $89 Seasonal Tune-Up and permanent 5% Senior and Veteran discount apply in every city we serve.
Every repair is backed by our 90-Day Done Right Promise in writing, no arguing. If the mortar, flashing, or waterproofing fails due to our workmanship within 90 days, we return and fix it at no charge. Material warranties from HeatShield, Gelco, and Olympia Chimney extend longer where applicable. Call (844) 803-1545 with any concern, we’ll be there when we say.
Ready to stop the water intrusion or rebuild that failing crown? Call Hearthstone Chimney Co. at (844) 803-1545 for a free estimate. We’ll inspect your chimney, show you photos of what we find, and give you a plain-English verdict with a price that doesn’t change. Done right, and we stand behind it.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Westmont and South LA since 1984.