Chimney Repair in Kenmore - Inspected on Camera, Then Priced in Writing

Chimney Repair in Kenmore, NY: Straight Answers on Cost, Process, and What Actually Needs Fixing

Chimney repair in Kenmore typically runs $280 – $1,900 depending on what’s actually wrong, and the work usually takes one to two visits: first a camera inspection to document the damage, then the repair itself with a written price before anything starts. Most Kenmore homeowners call us about two things: water getting in through a cracked crown or failed flashing, and flue liners that have cracked after years of wet, freeze-thaw cycling. We’re Hank Delano’s crew at Flint Chimney Sweep, and if you’re seeing rust streaks in the firebox, spalling brick, or water stains near the ceiling, call (830) 251-4560 and we’ll get a camera in there.

Call (830) 251-4560

Key Takeaways

1. 1
   Chimney flashing repair in Kenmore: $280 – $650. Crown repair: $650 – ul,200.
2. 2
   Every repair comes with a written price before work starts and a 365-Day Done Right Promise in writing.
3. 3
   We use HeatShield, DuraFlex, Gelco, and Olympia Chimney materials, matched to the job, not to margin.
4. 4
   Camera inspection and photo report are standard on every repair call in Kenmore, so you see exactly what we see.

Why Kenmore Homeowners Call Flint Chimney Sweep for Repairs

Kenmore sits on a glacial till and lake-sediment boundary along the north end of Lake Washington, and that geology plus the damp maritime climate means the freeze-thaw cycling here hits masonry harder than it does in the dry-side cities east of the lake. Freeze-thaw is exactly what it sounds like: water soaks into brick and mortar, freezes, expands, and forces the material apart from the inside. In Kenmore winters, that cycle repeats dozens of times. Chimney crowns crack, flashing lifts, mortar softens, and brick faces start to spall. We see it every week in Kenmore.

The other thing we see is this: a lot of Kenmore homes are 1950s and 1960s brick ranches along streets like 68th Ave NE and 73rd Ave NE, up near the north Kenmore shoreline and back toward Log Boom Park. Those chimneys were built well, but they’re 60 to 70 years old now, and the original clay flue liners were not designed for five decades of Pacific Northwest moisture. When a liner cracks, the smoke and heat get closer to the wood framing than they should, and the fix is usually a HeatShield resurfacing or a full flue relining with a product like DuraFlex.

What convinces homeowners to call us back is what happens before any tool comes off the truck: you get a written price, a written scope of work, and a written one-year guarantee. That’s The Garrison Standard, the same code every Garrison Partners location operates under. Since 2002, the Flint Chimney Sweep team has been part of that network, and our technicians are background-checked and uniformed. When you book, you know the price. When we arrive, you know who’s walking through the door.

Chimney Flashing Repair in Kenmore

Chimney Flashing Repair in Kenmore is the fix for the metal strips that seal the gap where the chimney meets the roofline, and in this town, it’s one of the two repairs we do most often because Kenmore’s wet winters and roof pitch angles cause flashing to lift, corrode, and separate from the masonry. The flashing is made of metal that eventually pulls away from the brick, especially after decades of temperature swings and the constant drizzle off the lake. When that seal fails, water tracks behind the flashing and soaks the smoke chamber, the firebox, and sometimes the ceiling around the chimney.

You’ll know it’s a flashing problem when you see a water stain on the ceiling near the chimney, or a rust streak running down the firebox wall after a rain. Some flashing failures only show up during a heavy wind-driven rain, which is why a homeowner might miss it for a year or more. If we open the inspection plate below the damper and find damp residue or rust, that’s usually the smoking gun. The repair itself ranges from $280 to $650 in Kenmore, depending on how much of the flashing needs replacement and whether the existing counter-flashing can be saved.

Step flashing vs. continuous flashing

On most Kenmore brick chimneys, we replace step flashing course by course, weaving each step into the mortar joint, then cover the top edge with counter-flashing cut into a reglet in the brick. On some older Kenmore homes, a previous homeowner or handyman used a single piece of continuous flashing and sealed it with caulk, which fails in about three seasons. We cut the old sealant out, remove the corroded metal, and install new flashing with proper overlap so water sheds away from the chimney, not behind it.

When flashing can wait, and when it can’t

If you see a rust stain in the firebox but no interior water damage, schedule an inspection within a few weeks. If water is actively dripping inside the firebox or staining the ceiling, book now. A failed flashing left alone through one Kenmore winter will push water deeper into the smoke chamber and the surrounding framing, and what starts as a $450 flashing job becomes a $2,000+ rebuild. The honest answer we give homeowners in Kenmore: don’t wait through a second winter on a flashing problem you already know about.

Chimney Crown Repair in Kenmore

Chimney Crown Repair in Kenmore is the fix for the concrete or mortar slab at the very top of the chimney, and the crowns on Kenmore homes take a beating because they’re fully exposed to the same freeze-thaw stress that works on the brick below. A crown’s job is to shed water away from the flue and the masonry beneath, but older crowns on 1950s and 1960s Kenmore homes were often poured too thin with no overhang, or built from basic mortar that cracks within a few seasons. Once the crown cracks, water gets into the chase and saturates the brick and the flue liner.

Crown repair in Kenmore usually falls between $650 and $1,200 depending on whether the crown needs a full tear-out and repour or just targeted patching with a flexible crown coat. We always build in a proper drip edge, which is the overhang that forces water to drip away from the brick instead of running down the face. Cheap crowns sit flush with the brick and let water run down, staining the masonry and soaking the mortar joints every time it rains. In Kenmore, that moisture then freezes, thaws, and pushes more spalling off the brick face.

We were called to a 1950s brick ranch near the north Kenmore shoreline where the homeowner saw a rust stain running down the firebox wall. Our tech found a hairline crack in the chimney crown and a spalled brick course just below the cap, water tracking behind the flashing and soaking the smoke chamber. Using HeatShield to resurface the damaged flue liner and a new crown with a proper overhang fixed the water path, and a Level 2 camera inspection confirmed the damper and firebox were still sound.

Signs the crown is failing before you see the leak

Walk outside and look at the top of the chimney from a safe distance. If the crown looks flaky, cracked, or if there’s a visible gap between the crown and the brick, water is getting in. Inside, rust on the damper, dampness in the firebox after rain, or efflorescence (white powdery mineral deposits) on the brick face are all early warnings. By the time you see a stain on the ceiling, the crown has been failing for at least a year.

Trusted Brands We Service in Kenmore

We work with HeatShield, Gelco, and Olympia Chimney products on Kenmore repairs, and we stock the common sizes and sealants here so turnaround is fast. HeatShield is what we use for flue liner resurfacing on older Kenmore chimneys where the original clay liner is cracked but the structure is otherwise sound. Gelco crowns and waterproofing products hold up well in the wet coastal climate. Olympia Chimney supplies the flashing and cap components we install on most Kenmore roofs. Using the right material for the job matters more than using the same material every time, and we spec the material by the damage we find, not by what’s easiest to source. Since 2002, the Garrison Partners network has standardized on these brands specifically because they perform in wet, freeze-thaw climates like Kenmore’s.

Common Chimney Repair Problems We See in Kenmore Homes

• Water intrusion through cracked crowns and failed flashing after wet, freeze-thaw winters. Rust streaks in the firebox and spalling brick are the early signs. By the time there’s interior water damage, the problem has usually been active for multiple seasons.
• Third-degree creosote glaze overlooked on older Kenmore homes. A brush-only sweep leaves a hard, tar-like glaze on the flue liner that actually holds heat against the masonry. On a 60-year-old clay liner, that glaze masks a real chimney fire risk, and it needs more than a brush.
• Damper and smoke chamber issues missed because only a Level 1 visual check was done. After any repair or liner change, we do a camera-assisted Level 2 inspection in Kenmore because the camera sees what a flashlight can’t: deteriorated mortar joints in the smoke chamber, a warped damper, or an obstruction partway up the flue.
• Spalling brick from decades of Kenmore lake moisture. Spalling is the face of the brick popping off in sheets or chunks, and it’s not cosmetic. Once the face is gone, the softer inner brick absorbs water faster, and the damage accelerates.

Pricing for Chimney Repair in Kenmore, NY

We Also Serve Cities Near Kenmore

Flint Chimney Sweep handles Chimney Repair across the metro, including Kenmore and the nearby areas of Brooklyn, Queens, Manhattan, and Staten Island. Scheduling and dispatch run through our New York City office, and the crews cover Kenmore locally. Same process, same written guarantee, same camera inspection.

FAQs About Chimney Repair in Kenmore

Get a Straight Answer and a Written Price for Your Kenmore Chimney

You won’t get an upsell from us, and you won’t get a vague assurance. You’ll get a camera inspectID, a photo report, a written price, and a straight answer on whether the repair is urgent or can wait. That’s how Hank Delano has run Flint Chimney Sweep since 2002, and that’s The Garrison Standard. Call (830) 251-4560 for a free estimate for chimney repair in Kenmore.

Written by Hank Delano, Owner at Flint Chimney Sweep, serving Kenmore under The Garrison Standard since 2002.