Chimney Sweep in Boston - Flat-Price Sweep, Findings in Writing

Fast, Reliable Chimney Sweep Across Boston

A chimney sweep in Boston typically costs $189 – $309, and our crews work throughout the city’s older housing stock five days a week, with inspection add-ons quoted before we start. We know the triple-deckers of Dorchester and the brownstones of the South End because we sweep them every week, and our technicians arrive with cameras, brushes sized for century-old flues, and a written price in hand before any work begins. If you live in Boston and haven’t had your flue looked at in a few years, call (336) 863-3889 and we’ll schedule a sweep or inspection at a time that works for you.

Call (336) 863-3889

Why Alcott Chimney Sweep Is Boston’s Preferred Chimney Sweep Company

Boston homeowners call us because the buildings here demand more than a standard sweep. A Back Bay brownstone with an 1890s flue, a South Boston triple-decker with three units on one chase, a Beacon Hill fireplace that hasn’t been fired since before the last remodel, each one needs a technician who’s seen enough of Boston’s housing stock to know what he’s looking at before he even sets up the ladder. Our Boston customers tell us the same thing Ruben Castellano built this company on: they want to know who’s coming to the door and what they’ll pay before the work starts. So we send every customer the technician’s name and photo ahead of the visit, and that technician carries a photo ID badge and shows it at the door. No exceptions, whether it’s the first sweep or the tenth.

Alcott Chimney Sweep has been part of the Threshold Group family since 2002, and every technician passes a background check and identity verification under the Threshold Standard before ever setting foot on a customer’s property. That’s not an add-on. It’s how we operate, in Boston and everywhere else we work. We answer our phones with a live person around the clock, because a smoky flue at 11 p.m. in a South Boston rental doesn’t wait for business hours.

Chimney Cleaning in Boston

Chimney cleaning in Boston means removing creosote, the tar-like, flammable buildup that forms when wood burns incompletely, plus soot and any debris that’s found its way into the flue, from leaves to bird nests to chunks of spalled brick. In Boston’s pre-1940 housing stock, a cleaning usually costs $189 – $309 depending on flue length, access from the roof, and how heavily built up the creosote is. If you’re burning wood regularly in a triple-decker or a brownstone fireplace, once a year is right. If the fireplace sees occasional use, every two years may be enough, but an annual inspection is still worth it given what these old flues hide.

What the sweep actually covers

We brush the full flue length, vacuum out the firebox and smoke chamber, and document the condition of the flue walls from top to bottom. For Boston chimneys with multiple flues in one chase, each flue gets brushed and inspected separately. If we uncover anything concerning, we show you camera footage before recommending any follow-up work.

When cleaning isn’t enough

Sometimes the brush pulls out more than soot. Glazed, shiny creosote, known in the trade as third-degree creosote, won’t come off with a standard wire brush. It requires chemical treatment or mechanical removal, and in a Boston chimney that’s already struggling with draft, it should be addressed before the next fire.

Fireplace Cleaning in Boston

Fireplace cleaning in Boston goes hand-in-hand with the flue, but it’s a separate task and one we always include when we’re on site for a sweep. We remove ash, vacuum the firebox, inspect the damper for warping or rust, and check the hearth and surround for cracks. In Boston’s older homes, where fireplaces were often retrofitted for gas logs or sealed off entirely, this inspection matters as much as the sweep itself. A fireplace cleaning runs $149 – $269 depending on how much buildup has accumulated and how accessible the damper and smoke shelf are.

Gas log fireplaces in older Boston homes

Converting a century-old wood-burning fireplace to gas is common in Boston, but the firebox still collects dust, pet hair, and debris that can smell when the logs heat up. We clean the burner, check the log set placement, and ensure the damper is properly clamped or removed per Massachusetts code. If the flue was never lined for gas, that’s the conversation we’ll have with you, camera in hand.

Stone and brick firebox care

Boston’s brownstone fireplaces often have original stone or brick fireboxes that have absorbed decades of heat and moisture. We check for cracked firebrick, loose mortar joints, and rusted dampers, and we’ll let you know if what we’re seeing is cosmetic or structural. Nothing gets recommended without photo evidence you can review.

Trusted Brands We Service in Boston

We install and service the products chimney professionals actually specify: DuraFlex liner systems, HeatShield resurfacing material, Gelco chimney caps and chase covers, and Olympia Chimney components. When a Boston triple-decker needs a liner replacement or a brownstone chase needs a new cap, we use these trade-grade materials, not box-store substitutes, and we keep common components stocked for faster turnaround on Boston jobs. If you’re repointing a Back Bay chimney or relining a Dorchester flue, you’ll know exactly what’s going in before we order it.

Common Chimney Sweep Problems We See in Boston Homes

• Multi-flue chases treated as one chimney. A Dorchester triple-decker often has three or four flues in one masonry stack. Sweeping only the one connected to the fireplace and assuming the others are fine is how problems hide. Each flue in a shared chase gets its own cleaning and its own camera inspection.
• 1880s – 1920s flues never designed for modern appliances. Many Boston brownstones in the South End and Back Bay still vent gas furnaces or water heaters into unlined rubble-stone flues. Those flues were built for coal smoke, not the acidic condensate a modern gas appliance produces. Without a correctly sized liner, the flue deteriorates and carbon monoxide becomes a risk.
• Freeze-thaw damage accelerated by Boston’s winters. Boston averages about 43 inches of snow a year and sees dozens of freeze-thaw cycles each winter. Water gets into mortar joints, freezes, expands, and slowly breaks the chimney apart. By spring, brick faces start spalling and flue tiles crack. A sweep that includes an exterior look catches this before a chunk of brick falls.
• Third-degree creosote in the bottom flue of triple-deckers. In a shared chase, the first-floor flue runs the longest and stays the coolest. It collects the most moisture and creosote, while the third-floor flue stays drier and cleaner. A technician who checks only the upper flue can tell you the whole chase is fine and be wrong about the one that matters most.

Pricing for Chimney Sweep in Boston, MA

We Also Serve Cities Near Boston

Our Boston crews regularly work in the surrounding communities, including Somerville with its own share of triple-deckers, Cambridge and its pre-war row houses, Chelsea and Everett where century-old chimneys face harsh winters and salt air. If you’re in one of these cities, schedule a Chimney Sweep with us and we’ll bring the same pricing and identity-verified service to your door.

FAQs About Chimney Sweep in Boston