Protecting Seattle’s classic brickwork and chimneys from creosote, water damage, and structural wear—since 1982

Comprehensive chimney sweep for Seattle homes and businesses.
Deep-cleaning for older chimneys to remove hazardous buildup and restore draft efficiency.
Custom-fit liners for older chimneys to prevent heat transfer and water intrusion.
Expert brick and mortar restoration to stop leaks and structural decay.
Seattle’s damp climate demands durable protection against moisture damage.
Pinpointing hidden issues before they become costly emergencies.
Fast, reliable fixes for sudden leaks, collapses, or storm damage in Seattle.
We hold ourselves to the highest standards so you can hire with total confidence.
We’re not just chimney sweeps—we’re masonry specialists who understand how Seattle’s damp, windy climate ages older homes. Our team has repaired chimneys in historic neighborhoods like Fremont and Wallingford, where original brickwork demands expert care. Unlike generic sweep services, we focus on root causes: cracked liners, eroded mortar, and water intrusion that other companies overlook. With free estimates and transparent pricing, you’ll never get upsold on unnecessary work. Our 5-year workmanship warranty and 20-year liner warranty prove we stand behind our craftsmanship.
Andrew C. Chimney Company meets all Washington state licensing requirements for chimney sweeps, with liability insurance and workers’ compensation coverage. Our Seattle bond ensures you’re protected if any issues arise during or after service. We’re also members of the Chimney Safety Institute of America (CSIA), so you know we follow industry best practices—not shortcuts. Before we start work, we’ll provide proof of insurance and licensing upon request, so you can hire with confidence.
Seattle’s heating season is short, and a clogged chimney or cracked liner can’t wait. We offer same-day appointments for emergencies, including storm damage, sudden draft failures, or post-inspection repairs. Our crews are on call 7 days a week, and we prioritize Seattle homeowners to minimize downtime. Whether it’s a weekend leak or a weekday inspection, we’ll have a licensed technician at your door within hours—no waiting weeks for an appointment.
Many chimney companies in Seattle push unnecessary repairs or upsell services you don’t need. We provide clear, itemized estimates with no surprises. If we find minor issues during a sweep, we’ll explain them and offer repair options—but we won’t pressure you. Our diagnostic reports include photos and measurements, so you can see the problem (and the solution) for yourself. Free estimates for all services, with no obligation to proceed.

Andrew C. Chimney Company specializes in restoring and maintaining the original brickwork and masonry of Seattle’s historic homes built before 1950. Our crew treats every flue like a museum piece—identifying cracked terra-cotta liners, eroded mortar joints, and hidden spalling that newer crews often miss. We don’t just sweep; we diagnose the quirks of old brick, from century-old common-bond patterns to the way Puget Sound moisture has settled into the mortar over decades.
"After years of ignoring my 1910 brick chimney, I finally called Andrew C. Chimney Company. They found a cracked liner and eroded mortar that was letting water into my attic. The team repaired it in a day, and now my fireplace drafts perfectly—no more cold drafts or musty smells. Their attention to detail with the historic brickwork was impressive."
"I had a chimney leak that no one else could figure out. Andrew’s team used thermal imaging and found a hidden crack in the flue tile. They installed a stainless steel liner and waterproofed the chimney cap. Fixed in one visit—no mess, no upsells. Highly recommend for Seattle homeowners with older homes."
"My fireplace was smoking into the house, and I thought it was just creosote buildup. Turns out, my chimney cap was missing, and birds had nested inside. Andrew’s crew cleaned it out, installed a custom cap, and now my fireplace works like new. Fast, professional, and fair pricing."
"I bought a 1925 Seattle home with a chimney that was leaning. Andrew’s team stabilized it, repointed the mortar, and installed a new crown. They even matched the brick color to the original. The chimney looks brand new, and I have peace of mind knowing it’s safe."
"After a windstorm, my chimney cap was destroyed, and rain was pouring into my flue. Andrew’s emergency team came the same day, replaced the cap, and waterproofed the chimney. No drama, no delays—just solid work. Their same-day service saved me from major water damage."
"I was skeptical about paying for a chimney inspection, but Andrew’s team found a deteriorating damper that was causing carbon monoxide to leak into my home. They fixed it the same day, and now I sleep better knowing my chimney is safe. Their diagnostic tools are top-notch."
Expert local advice for Seattle homeowners.
Is your Seattle brick chimney showing cracks, stains, or smells? Don’t wait for a fire or collapse—learn the 6 local warning signs that mean you need a chimney sweep today.
Read more →Seattle’s damp climate and older masonry homes demand specialized chimney care. Spot these 7 warning signs and choose a local expert who understands historic brickwork and liners.
Read more →Curious about chimney sweep cost Seattle prices? Learn what factors influence your bill for maintaining historic masonry chimneys in our unique Pacific Northwest climate.
Read more →Call (206) 596-0774 or book online for a same-day or next-day appointment. We’ll confirm your address, chimney type, and any specific concerns (e.g., leaks, draft issues, or storm damage). For older homes, let us know if you have historic brickwork or custom flues—we’ll bring the right tools.
Our technician arrives with a 4K camera, moisture meter, and thermal imager to inspect your chimney’s interior and exterior. We check for creosote buildup, cracked liners, eroded mortar, and water damage—focusing on issues Seattle’s climate exacerbates. You’ll get real-time updates and a clear explanation of what we find.
If repairs are required, we provide a detailed estimate with photos, measurements, and prioritized recommendations. For historic chimneys, we’ll match materials to your home’s era. You’ll know the exact cost upfront, with no hidden fees. Approve the work, and we’ll schedule it at your convenience.
We complete the work with precision—whether it’s sweeping, liner installation, or masonry repairs—and leave your chimney cleaner, safer, and more efficient. You’ll receive a post-service report with before/after photos, warranty details, and maintenance tips tailored to Seattle’s weather.
Proudly serving Seattle and these nearby communities.
The smell is hydrogen sulfide gas seeping through cracked mortar joints that have absorbed months of Puget Sound moisture. When the barometric pressure drops during a Pineapple Express, the saturated brick releases trapped gases into your living room. We seal the joints with a breathable, vapor-permeable mortar and install a new stainless-steel liner to stop the odor at the source.
Terra-cotta liners can last decades, but Seattle’s damp climate accelerates erosion. If your liner shows vertical cracks wider than a credit card or the flue walls are less than ⅜-inch thick, it’s no longer safe. We pressure-test the flue, measure wall thickness, and replace it with a double-wall stainless-steel liner sized for your Rumford firebox.
Soft bricks are a sign of moisture saturation and freeze-thaw damage common in Seattle’s damp winters. The mortar joints likely failed first, letting water into the brick. We diagnose the extent with a borescope, remove damaged bricks, and repoint with a high-lime mortar that matches the original 1920s mix.
Wind off Elliott Bay creates positive pressure at the chimney top, forcing smoke back down the flue. Older Seattle homes often have undersized flues or crowns that cracked under decades of salt-laden air. We install a wind-resistant cap and extend the flue to clear the roof’s turbulence zone.
A crown cracked wider than a dime or missing chunks entirely can’t be repaired—it must be rebuilt. Seattle’s freeze-thaw cycles will turn a small crack into a full crown failure within two winters. We rebuild the crown with a Portland cement mix reinforced with fiber mesh and slope it away from the flue for proper drainage.
A Level 1 inspection is a visual check from the attic and roofline; it’s what you need for routine maintenance. A Level 2 inspection includes a camera scan of the entire flue and is required after any chimney fire, major renovation, or if you’re selling the home in Seattle’s competitive market. We provide a full video report you can share with your realtor.
The leak is likely coming from behind the brick, not the roof. Seattle’s older chimneys often have missing or deteriorated flashing, or the crown has eroded enough to let water run down the flue. We remove the crown, install new flashing, and seal the top with a silicone-based crown sealer that resists UV and salt air.
White efflorescence means water is evaporating through the bricks, leaving behind mineral deposits. It’s a warning sign, not an immediate hazard, but it indicates the mortar joints are failing. We repoint the joints with a low-moisture mortar and apply a breathable sealer to stop further efflorescence and protect your bricks from Seattle’s damp winters.
Fast response, upfront pricing, and workmanship guaranteed. Get your free estimate today.