Certified, insured professionals who eliminate hidden chimney risks in Dunkirk homes. Schedule your sweep before winter sets in.
Comprehensive chimney sweep for Dunkirk homes and businesses.
Removes creosote and soot from wood-burning fireplaces and stoves.
Learn more →Fixes cracks, leaks, or blockages that need immediate attention.
Learn more →We hold ourselves to the highest standards so you can hire with total confidence.
Dunkirk’s humidity and older homes create the perfect storm for chimney problems. Creosote hardens faster here, and many chimneys weren’t built to modern safety standards. We don’t just clean, we inspect for hidden dangers like cracked liners or improper clearances that could let carbon monoxide into your living room. Other sweeps might rush you out the door. We take our time because your family’s safety isn’t a checkbox.
Carbon monoxide is silent and deadly, but it’s preventable. Our Dunkirk techs carry handheld detectors to test for leaks during every service call. We seal gaps, repair rusted caps, and check for blocked flues, common issues in Dunkirk’s older neighborhoods. Many homeowners don’t realize their chimney could be leaking gas until it’s too late. We make sure yours isn’t one of them.
Maryland’s chimney laws exist for a reason: to keep your home safe. If you’re selling, buying, or renting in Dunkirk, an inspection is required by law. We’ll document every issue, from minor soot buildup to major structural flaws, so you know exactly what needs fixing. Skipping this step could void your insurance or fail a home inspection. We’ll even help you understand which repairs are urgent and which can wait.
A chimney fire can destroy your home in minutes. In Dunkirk, where many homes have older fireplaces, creosote buildup is a ticking time bomb. Our sweeps remove flammable deposits before they ignite, but we also check for draft issues that waste fuel and create dangerous backdrafts. The upfront cost of a sweep is nothing compared to the price of a hospital visit, or a total loss. We’d rather you call us than the fire department.

Dunkirk, Maryland’s chimneys face hidden dangers most homeowners never see. Creosote buildup, cracked flues, and blocked vents turn fireplaces into silent fire hazards, often without warning. At Jonathan and Nicholas Chimney Co, we don’t just clean chimneys; we inspect them for the risks that could turn a cozy evening into a disaster. Our team of certified sweeps knows the local climate’s toll on masonry and the subtle signs of carbon monoxide leaks that other services miss. When you call us, you’re not just getting a sweep, you’re getting a safety check that could save your home and your family.
"We’ve had our chimney swept twice now, and both times the crew found issues we’d never noticed, like a small crack in the liner that could’ve let carbon monoxide in. They sealed it on the spot and didn’t charge extra. That’s the kind of service you can trust. Our fireplace runs cleaner, and we sleep better knowing our chimney’s safe."
"After our last sweep, the tech explained how Dunkirk’s humidity makes creosote build up faster than in drier towns. He gave us tips to slow it down, like burning hotter fires less often. We’ve had zero problems since, and the fireplace drafts better. No runaround, no upsells, just good, honest work. That’s why we’ll keep calling them."
"Our chimney’s over 100 years old, and we were nervous about using it after a storm damaged the cap. Jonathan and Nicholas fixed it in a few hours, no fuss. They even checked for hidden rust in the flue and said it was fine for now. We’d rather pay them a little now than deal with a chimney fire later. They’re the only chimney people we’ll ever use."
"We’d had our chimney swept before, but no one ever tested for carbon monoxide. These guys did, and found a small leak. They sealed it right away. Karen was terrified after that, but they walked us through how to monitor it and when to call them back. Now we’re confident. That’s the kind of service that makes you feel like you’re in good hands."
"Our chimney’s part of the house’s original construction, and we wanted to make sure it was safe before winter. They found a few spots where the mortar was crumbling and reinforced them. Now we can use the fireplace without worrying. They didn’t try to sell us a reline or anything, just fixed what needed fixing. That’s the kind of team you want handling your chimney’s risks."
"We’d never had a chimney inspection before, and honestly, we didn’t know what to expect. They came out, checked everything, and said our chimney was in good shape, but warned us to watch for soot in the fireplace. They gave us a free tip sheet on how to burn wood safely. That’s the kind of extra care that makes you want to call them every year."
Expert local advice for Dunkirk homeowners.
Dunkirk homeowners don’t have time to wait. We answer phones within hours and schedule same-day service when possible. No long hold times, no vague estimates. You’ll talk to one of us, no call centers. We’ll arrive with the right tools, a safety checklist, and zero upsell pressure. Your first question answered, your concerns addressed. That’s how we’ve earned trust in this town.
Other sweeps might jump straight to brushing. We start by checking your chimney’s structure, draft, and carbon monoxide levels. If we find cracks, rust, or blockages, we’ll tell you, no matter how small the job. This isn’t just about cleaning; it’s about catching problems before they become disasters. We’ll even take photos to show you exactly what we’re fixing.
You’ll get a written report after every service, with photos and a clear priority list. If we find something serious, we’ll explain it in plain terms, no industry jargon. You’ll know exactly what’s wrong, what needs fixing now, and what can wait. No hidden fees, no high-pressure sales. Just the work you need, when you need it, at a fair price.
Our job isn’t done until your chimney is clean, inspected, and sealed properly. We’ll test the draft to ensure it’s pulling correctly, check for soot in your home, and make sure no sparks can escape. Before we leave, you’ll know your fireplace is safe to use. And if we miss something? Call us back, we’ll fix it, no questions asked. That’s our guarantee.
Proudly serving Dunkirk and these nearby communities.
Dunkirk’s historic homes often have flues made from clay tiles that crack over time, creating gaps where sparks can escape. If your chimney is over 20 years old or you’ve noticed soot stains on the ceiling or walls, it’s a red flag. We recommend an annual inspection before fire season starts, especially if you use your fireplace regularly. Our crew checks for hidden creosote buildup in hard-to-reach spots that other sweeps might miss. A quick inspection could prevent a fire that starts while you’re asleep.
Absolutely. A blocked or damaged flue is the most common cause of CO leaks from fireplaces, and Dunkirk’s older homes often have flues that weren’t built to modern standards. If your detector alarms after lighting a fire, we’ll test for proper draft flow and check for obstructions. Even a small crack or missing cap can let CO back into your home. We’ve seen cases where homeowners thought their issue was the stove, turns out, it was a rusted damper or deteriorated mortar. A sweep and inspection can clear this up fast.
Maryland’s law is clear: any home with a fireplace or wood stove must have a professional inspection within one year of the sale. This isn’t just a formality, it’s a safety check for the new owners. We’ll inspect the chimney structure, flue lining, and connection points for damage or code violations. If we find issues like missing caps or improper clearances, we’ll document them so you can address them before listing. Dunkirk’s real estate market moves fast, and a clean inspection report can speed up your sale.
If you burn wood regularly, we recommend sweeping at least twice a year, once before the heating season and again after. Dunkirk’s damp winters can accelerate creosote buildup, especially if your chimney isn’t getting proper airflow. The type of wood matters too: softwoods like pine create more creosote than seasoned hardwoods. We’ve seen chimneys go from clean to dangerous in just six months if the homeowner switches to unseasoned wood. A quick sweep now can prevent a costly fire later.
That’s likely calcium carbonate from the mortar breaking down, a sign your chimney needs attention. While it’s not immediately dangerous, it indicates moisture is seeping into the masonry, which can weaken the structure over time. Dunkirk’s humid summers and freeze-thaw cycles make this worse. We’ll repoint the mortar and seal any cracks to prevent further damage. Ignoring it could lead to larger cracks, which are a fire hazard. A small repair now saves you from a full chimney rebuild down the road.
You can use it right away, as long as the sweep found no major issues. If we discover problems like a blocked flue or damaged liner, we’ll let you know before you light another fire. Dunkirk’s chimneys often have hidden creosote in the upper flue, so we’ll vacuum that out thoroughly. Our rule is simple: if the chimney passes inspection, it’s safe to use. We’ve had homeowners call us the same day for a sweep and then enjoy their fireplace that night, no waiting required.
Most chimney fires start from neglected creosote buildup or a blocked flue. Your neighbor likely didn’t realize how quickly creosote can ignite, especially in Dunkirk’s dry winter air. We recommend installing a chimney cap to keep debris and animals out, and using a chimney guard to reduce creosote buildup. Even a small spark can turn into a fire if the flue isn’t clean. Our crew will show you how to check for soot stains on the ceiling, which are an early warning sign. Prevention is easier, and cheaper, than cleanup.
Maryland law requires landlords to ensure chimneys are safe for tenants, but many renters assume responsibility to avoid disputes. If you’re using the fireplace, it’s wise to get an annual inspection, especially if the landlord hasn’t maintained it recently. We’ve seen cases where renters paid for a sweep to avoid a fire hazard claim. Document everything in writing, and if the landlord refuses to act, contact your local housing authority. A safe chimney is a non-negotiable, don’t let a landlord’s oversight put your family at risk.
Fast response, upfront pricing, and workmanship guaranteed. Get your free estimate today.