Johnson Chimney Co’s safety-first chimney sweeps prevent hazards, ensure code compliance, and keep your fireplace burning clean in Lakewood, CO
Comprehensive chimney sweep for Lakewood homes and businesses.
Deep-cleaning to remove hazardous creosote and soot buildup that causes chimney fires and carbon-monoxide leaks in Lakewood homes.
Thorough Level 1–3 inspections to meet Lakewood’s fire safety codes and identify structural or operational risks before they become emergencies.
Proactive testing to detect deadly carbon monoxide leaks before they threaten your family’s safety.
Expert fixes for cracked flues, crumbling mortar, and damaged chimney crowns to restore safety and efficiency.
Installing durable chimney caps and applying waterproof sealants to block rain, pests, and debris year-round.
Comprehensive pre-season safety checks to ensure your fireplace or wood stove is ready for winter use.
We hold ourselves to the highest standards so you can hire with total confidence.
Lakewood’s high altitude and dry climate accelerate creosote buildup in chimneys, while freeze-thaw cycles in spring and fall weaken masonry. Older homes—common in neighborhoods like Belmar or Green Mountain—often have unlined flues or deteriorating mortar, increasing fire and CO risks. Our sweeps are trained to spot these local hazards before they become emergencies.
Lakewood enforces strict fire safety codes for chimneys, including annual inspections for wood-burning fireplaces. Non-compliance can void insurance claims or fail home inspections. We document every inspection and repair to ensure your chimney meets or exceeds local requirements, giving you one less thing to worry about during a sale or insurance renewal.
Lakewood’s energy-efficient homes trap CO from cracked flues or blocked chimneys, creating a deadly buildup. Our technicians use digital detectors to measure ambient CO levels and check draft performance, ensuring all appliances vent safely. This isn’t just a service—it’s a lifesaving precaution.
A single chimney fire can destroy a Lakewood home, costing $30,000+ in repairs. Regular sweeps and inspections cost a fraction of that and often qualify you for home insurance discounts. Think of it as a small price for peace of mind—and a warm, safe fireplace all winter.

At Johnson Chimney Co, we don’t just clean chimneys—we protect Lakewood homes from silent, deadly threats. Every year, creosote buildup in flues ignites over 25,000 house fires nationwide, and carbon monoxide leaks from cracked liners poison families without warning. As a licensed, insured chimney sweep serving Lakewood and the surrounding Front Range communities, we combine rigorous fire-safety standards with meticulous craftsmanship to ensure your chimney operates as a controlled flame barrier, not a ticking time bomb. Our team doesn’t cut corners because we’ve seen what happens when others do—charred roofs and hospital bills that could’ve been prevented with a $200 inspection.
"After a chimney sweep last winter, I felt confident using my fireplace again. The technician spotted a small crack in the flue I’d missed and fixed it before it became a hazard. Fast, professional, and thorough—highly recommend for Lakewood homes!"
"I called Johnson Chimney Co after a raccoon got stuck in my chimney. They removed the animal, cleaned the flue, and installed a cap—all in one visit. No mess, no stress, and my insurance premium dropped thanks to their documentation."
"My carbon monoxide detector went off randomly last fall. Johnson’s team tested my chimney and found a blocked flue causing the leak. They fixed it the same day and explained everything in detail. Saved my family from a silent danger—I’ll never skip an inspection again."
"I’ve used Johnson Chimney Co for 3 years now. Their sweeps are meticulous, and they always catch issues before they become expensive problems. The free safety report is a game-changer for Lakewood homeowners who want to stay ahead of winter hazards."
"As a realtor, I recommend Johnson Chimney Co to every Lakewood homeowner I work with. Their inspections are thorough, and their reports are clear and professional—perfect for closing documents or insurance claims. Five stars all around."
"I was skeptical about spending money on a chimney sweep until I saw the creosote buildup they removed. My fireplace runs cleaner and safer now, and the technician even showed me how to maintain it between visits. Worth every penny."
Expert local advice for Lakewood homeowners.
Spotting cracks, leaning, or smoke smells in your Lakewood chimney? Learn the 7 unmistakable signs it needs repair or masonry restoration before winter hits.
Read more →Learn why Lakewood homeowners must prioritize chimney inspections for safety, code compliance, and fire prevention—especially with Colorado’s wild winters.
Read more →Learn why Lakewood homeowners need annual chimney sweeping, how to spot dangerous creosote buildup, and what to expect during your service with a local CSIA-certified team.
Read more →Call (720) 712-9472 or book online for same-day or next-day appointments. We’ll confirm your address in Lakewood and ask about your fireplace type to prepare the right tools.
Our technician arrives on time, fully licensed and insured, and performs a free visual inspection. We’ll explain any issues we find and provide a transparent estimate—no hidden fees or upsells. You’ll know exactly what’s included before we start.
Using HEPA vacuums and industry-grade brushes, we remove every trace of creosote and debris. If we spot damage, we’ll repair it on the spot or schedule follow-up work with your approval. All repairs come with a 1-year warranty.
We’ll show you before-and-after photos, explain our findings, and leave you with a detailed safety report. You’ll get a copy via email and a sticker with our contact info for future reference—because your chimney’s safety shouldn’t be a mystery.
Proudly serving Lakewood and these nearby communities.
Even unused chimneys deteriorate. Birds, squirrels, and debris can block your flue, while moisture from Lakewood’s humid winters accelerates rust in your damper and liner cracks. A Level 1 inspection now could reveal hidden damage before your first fire of the season, preventing a dangerous draft or carbon monoxide leak when you finally relight the hearth.
That smoky odor comes from creosote residue clinging to your flue walls, which absorbs moisture and releases volatile organic compounds as temperatures rise. Lakewood’s dry air intensifies the smell, but a thorough sweep removes the buildup, leaving your home smelling fresh—not like a campground.
Seasoned oak still produces creosote, though less than pine or wet wood. Lakewood’s altitude (5,280 feet) means fires burn hotter and faster, creating more rapid creosote accumulation. The CSIA recommends annual sweeps regardless of wood type to prevent hidden buildup in your flue’s bends.
A Level 2 includes a video scan of your entire flue, from smoke chamber to chimney cap, to spot cracks, gaps, or obstructions invisible to the naked eye. In Lakewood, where older homes often have offset flues or deteriorating crowns, this deeper inspection is critical for safety and insurance compliance.
A cracked chimney crown or deteriorated mortar joints around the flue allow water to seep in, pooling behind your liner and freezing in Lakewood’s winter nights. This expands cracks further, leading to structural damage. We seal these gaps with waterproof masonry treatments that last 5–10 years.
Brushing alone won’t address cracked tiles, missing mortar, or a deteriorating crown—common issues in Lakewood’s 1970s-era homes. A full sweep removes creosote, but a complete safety check requires inspecting the liner’s integrity, which only a Level 2 video inspection can confirm.
Gas inserts require a Class A liner rated for high heat and corrosion resistance. Many Lakewood homes built before the 1990s have unlined masonry chimneys, which can crack under gas appliance heat. We test liner condition and install UL-listed stainless steel liners if needed.
You can relight your fire immediately after a professional sweep, but we recommend waiting 24 hours for any residual moisture from cleaning to evaporate. In Lakewood’s dry climate, this prevents temporary odors or minor soot residue from lingering in your living room.
Fast response, upfront pricing, and workmanship guaranteed. Get your free estimate today.