Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Before
After
Before
After
Before
AfterFast, Reliable Chimney Sweep Across Lexington
A chimney sweep in Lexington, MA typically runs $189 – $289 for a standard open fireplace with one flue, and we book by the flue count, not by the hour. You’ll know the exact number before we come out, because every job gets a written price agreed before booking. Lexington’s housing stock is mostly pre-1950s Colonials and Capes with original masonry chimneys, which means what we pull out of a flue here is rarely just simple soot. It’s often glazed creosote built up over years, spalled mortar from freeze-thaw cycles, or a flue that was sized for a coal stove a century ago and never relined. Call (830) 251-4560 and we’ll give you a straight answer on what your chimney likely needs and what it will cost.
Key Takeaways:
- A standard sweep in Lexington runs $189 – $289 per flue; a Level 2 camera inspection runs $149 – $249.
- Pre-1950s masonry chimneys here often hide glazed creosote above the smoke chamber where a brush passes but doesn’t scrape.
- Every job gets a written price before work starts, backed by our 365-Day Done Right Promise.
- A live person answers the phone 24/7. No voicemail trees, no “we’ll call you back Monday.”
Why Flint Chimney Sweep Is Lexington’s Preferred Chimney Sweep Company
Lexington homeowners don’t tend to tolerate vague answers at the door. We’ve worked enough chimneys here, from Meriam Street up through the neighborhoods off Woburn Street, to know what a 1920s flue tells you versus a 1980s one. That local familiarity means we don’t show up and guess. Hank Delano runs our crews under The Garrison Standard, the same operating code every Garrison Partners location follows: written scope, written price, and a guaranteed result before a single tool comes off the truck.
We’ve been part of the Garrison Partners family since 2002, and every repair we make on a Lexington fireplace or chimney carries our 365-Day Done Right Promise in writing. If a covered repair fails within a full year from the service date, we return and make it right at no charge. No argument, no re-inspection fee. Our technicians are background-checked and uniformed, so when you open the door you know exactly who’s walking in. And when you call (830) 251-4560, a live person picks up, day or night.
Chimney Cleaning in Lexington
Chimney Cleaning in Lexington means removing accumulated creosote, soot, and any debris blocking the flue, but in our older housing stock it also means checking what the brush didn’t reach. A standard sweep on a two-story Colonial near the Lexington Battle Green or up along Marrett Road runs $189 – $289 depending on flue count and whether we’re dealing with a masonry flue or a factory-built pipe. The sweep itself is routine. What we pay close attention to here is what’s above the smoke chamber, because that’s where glazed second-degree creosote hides.
Creosote Removal
Creosote in a Lexington fireplace typically builds as first-degree or second-degree deposits. Second-degree is the one that matters most; it’s a hard, shiny glaze that a rotary brush alone often can’t remove. We note its depth and location on the photo report we send you afterward.
Soot Removal
Soot is the finer, fluffier byproduct that coats the firebox and smoke chamber walls even after one season of fires. We vacuum it out fully and run the camera to confirm the flue is clear before we call the job done. You’ll see the before and after in the photo report.
Fireplace Cleaning in Lexington
Fireplace Cleaning in Lexington usually runs $189 – $289 and includes the full firebox vacuum-out, the damper check, the smoke chamber brush-down, and a visual check of the crown and mortar from the roof when safe to access. We often find dampers in pre-1950s Lexington homes that are warped or rusted enough that they no longer seal, which pulls heated air up the flue all winter long. It’s a small repair that pays for itself inside two heating seasons.
Annual Sweep
An annual sweep is the single most cost-effective maintenance you can do on a working fireplace in Lexington. It clears the fuel source for a chimney fire and gives us eyes on the flue liner before a small spall becomes a reline. For a home that burns heavily from November to March, once a year is right. For a few fires a season, every other year is a reasonable interval, as long as a Level 1 inspection happens annually.
Fireplace Cleaning for Older Masonry Fireboxes
Older Lexington fireboxes were built for coal or early oil, not modern wood-burning at high temperature. The mortar joints are often softer and the firebrick has spalled from decades of thermal cycling. We’re gentle with them and we tell you plainly if what you’re seeing is cosmetic or structural. A camera photo report makes that call honest.
Trusted Brands We Service in Lexington
We work with professional-grade chimney materials, specified by the job rather than by margin. That means you’ll see us install or service parts from Olympia Chimney, Famco, and DuraFlex on Lexington chimneys. We stock common damper assemblies, caps, and stainless liner components suited to the pre-1950s masonry flues we see most often in town, which shortens your wait between diagnosis and repair. You can verify every brand we quote, and the written estimate names each one before you approve the work.
Common Chimney Sweep Problems We See in Lexington Homes
- Glazed creosote above the smoke chamber. Lexington’s older masonry flues run hot and often cool unevenly, which bakes creosote into a hard glaze in the upper flue. A brush passes over it; a camera finds it.
- Unlined or under-sized flues in pre-1950s chimneys. Many Lexington Colonials and Capes still have flues sized for a coal stove. When the heating plant was swapped, the flue often didn’t get relined to match, and that’s a real safety issue, not just an efficiency one.
- Warped damper plates that no longer seal. Over a heating season, an open damper plate is the equivalent of leaving a small window cracked in a Lexington winter. The fix is a top-sealing damper and a stainless cap, and we quote it the same day as the sweep.
- Spalled crown and mortar from freeze-thaw cycles. Lexington winters cycle wet snow and hard freezes, and original crowns on our older chimneys take the brunt. Small spalls become crown rebuilds if ignored, so we photograph the crown from the roof and tell you honestly when it can wait until spring.
Pricing for Chimney Sweep in Lexington, MA
A standard chimney sweep in Lexington costs $189 – $289 for a single-flue open fireplace with a masonry chimney. If you have two flues, which is common when a Lexington Colonial has both a fireplace and an oil burner venting through the same stack, expect $289 – $449 for both cleaned on the same visit. A Level 2 camera inspection, which we recommend on any pre-1950s chimney that hasn’t been inspected in years, runs $149 – $249 and includes the photo report. The number never moves once it’s on paper. Call (830) 251-4560 for an exact quote, and there’s no charge for the estimate.
We Also Serve Cities Near Lexington
Flint Chimney Sweep covers Lexington and the surrounding towns, including Woburn, Winchester, Burlington, and Arlington. If you’re just over the town line, call us and we’ll set the same written-price, same-guarantee visit. Our Chimney Sweep team runs on The Garrison Standard across the whole metro, and our Chimney Sweep in Lexington coverage includes every neighborhood in the 02420 and 02421 zip codes.
Serving Lexington, MA - Our Local Coverage Area
We’re based in the Lexington area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Chimney Sweep in Lexington
Start with a Level 2 camera inspection, because a pre-1950s masonry chimney in Lexington with no sweep history almost always has hidden findings: spalled mortar, a liner gap, or glazed creosote above the smoke chamber. The inspection runs $149 – $249 and includes a photo report, so you’ll see exactly what we saw. From there we’ll quote the sweep and any necessary repair in writing. Call (830) 251-4560 and we’ll walk you through what to expect before we arrive.
If your Lexington chimney is original masonry from before 1950, yes, an annual Level 1 inspection is worth it even with light use. The freeze-thaw cycle here works on the crown and mortar joints from the outside regardless of how often you burn inside. A few fires a year may also mean more incomplete combustion, which can deposit sticky first-degree creosote that a single sweep removes easily but an ignored liner absorbs. For light use, a full sweep every other year with an annual inspection is a reasonable schedule.
Yes, and you’ll have it in writing before you book. A single-flue sweep in Lexington runs $189 – $289; a dual-flue sweep runs $289 – $449; a Level 2 camera inspection runs $149 – $249. When we arrive, the number on your estimate is the number on your invoice. Our written-price policy is part of The Garrison Standard and applies to every call, no exceptions. Call (830) 251-4560 and you’ll hear the exact figure for your flue count before we schedule anything.
First-degree creosote is a light soot you can brush away with a standard sweep. Third-degree is a dense, tar-like glaze that typically requires rotary chains or a chemical treatment, and it’s the one most likely to fuel a chimney fire. What matters in Lexington is that many older flues hide second-degree glaze above the smoke chamber, where a standard brush doesn’t reach and a visual check from the firebox can’t see. The camera inspection finds it, and the photo report shows you exactly where it sits.
Yes, but proportionately, not as a scare tactic. A Lexington chimney that hasn’t been swept in years with an unlined flue and glazed creosote is a real chimney fire risk, and a blocked or under-sized flue can push carbon monoxide back into a tight older house. The fix is disciplined: an annual sweep, a camera inspection on older chimneys, and a reline when the liner is gone. You don’t need to panic, and you don’t need to overspend. You need someone who will show you the condition on a photo report and tell you straight what must be done now and what can wait.
Written by Hank Delano, Owner at Flint Chimney Sweep, serving Lexington since 2002.