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.
Fast, Reliable Chimney Cleaning & Sweep Across Hudson
A Level 2 chimney cleaning and sweep in Hudson, MA typically runs $220-$380 and includes a camera-scan inspection of the full flue, a written price before any work starts, and a documented photo record when we’re done. We serve Hudson from our Boston office, with crews covering the historic mill neighborhoods off Central Street, the Assabet River corridor, and the post-war capes along Route 62. Call (978) 481-2900 for a written estimate you can review before booking.
We’ve been sweeping Hudson chimneys since 2009, and the pattern we see here is distinct from the newer suburbs around it. The old shoe-mill worker housing, the triple-deckers, the coal-to-oil-to-wood conversions - these aren’t generic chimney problems. They’re Hudson problems. Our Chimney Cleaning & Sweep team knows what to look for because we’ve documented it on thousands of inspections across Worcester County.
Why Level Two Chimney Leominster Is Hudson’s Preferred Chimney Cleaning & Sweep Company
Hudson homeowners find us the same way most do: they read the three-star reviews first, then call to see if we’ll name a price over the phone. We will. Every job gets a written scope, a written price, and a written warranty before any work starts - Haven Standard Clause 1, H.A.V.E.N. “Have it in writing.” No exceptions.
We’ve completed more than 38,000 chimney inspections and cleanings since 2009. Every one had a written price first and a documented record after. That archive practice became Clause 4 of the Haven Standard years before insurers or regulators asked for it.
Our crews are background-checked, uniformed, and named before they arrive. You’ll get a text when your tech is on the way, with license information displayed on every page. Live phone support runs 24 hours a day, 7 days a week - a real person, not a voicemail tree.
Dispatch and scheduling for Hudson runs through our Boston office, but the crews serving you are local to Worcester County. They know the difference between a river-corridor triple-decker and a 1970s ranch off Forest Avenue, and they know which one has the shared flue chase that nobody’s looked at in fifteen years.
Our Chimney Cleaning & Sweep Services in Hudson

Level 1 Inspection
A Level 1 inspection is a visual examination of the readily accessible portions of your chimney - the exterior, the firebox, and the flue opening. In Hudson’s newer ranch and cape neighborhoods, this is often enough for an annual check on a gas fireplace or a well-maintained oil system. But if you’ve added a wood stove, converted fuels, or notice any change in performance, we recommend stepping up to Level 2. We charge $180-$240 for a Level 1 in Hudson, and we won’t sell you more inspection than your situation warrants.

Level 2 Inspection - Camera-Scan Documentation Standard
Level 2 is our default for Hudson’s older housing stock, and it’s what most of our customers need. We run a camera the full length of the flue, inspect the smoke chamber, the liner, the damper assembly, and the exterior crown. You get the footage, the photos, and a written report. This is NFPA 211 Level 2, and it’s been Clause 4 of the Haven Standard since 2009.
In Hudson specifically, Level 2 catches what Level 1 misses: the hidden liner deterioration in a coal-to-oil-to-wood conversion, the spalling mortar in a triple-decker’s shared chase, the efflorescence bleeding through 1890s brick near the Assabet River. We find these conditions regularly. A Level 2 in Hudson runs $220-$320 depending on flue count and accessibility.

Creosote Removal
Creosote is the combustible residue that builds up when wood burns incompletely. It comes in three classes: first-degree (sooty, brushable), second-degree (shiny, hardened flakes), and third-degree (tar-like, requires chemical or mechanical removal). In Hudson, we see second-degree creosote accelerate faster than the yearly sweep schedule assumes - especially on wood stoves run hard as primary heat in older, undersized flues.
On a worker triple-decker off Central Street near the Assabet River, we swept the second-floor flue for a new wood stove and found the first-degree creosote had already gone to a glazed second-degree scale in one heating season; the 1890s brick also showed spalling mortar and efflorescence from river-corridor moisture. We swept all three shared flues, pulled and reset the damper for that unit, and capped the chase so rain off the shared masonry stopped feeding the lower flues. Creosote removal in Hudson starts at $220 for a standard sweep and runs to $450 for heavy Class III buildup requiring chemical treatment.

Soot Removal & Annual Sweep
Soot is the lighter, carbon-based powder that accumulates with normal use. An annual sweep removes it before it hardens into creosote and restores proper draft. For Hudson homeowners burning wood as primary heat - common in the older worker cottages and rural properties on the town’s edges - we often recommend sweeping every six months, not annually. The buildup is simply heavier. A standard annual sweep in Hudson is $220-$280; six-month intervals for hard-run stoves run $180-$240 per visit when bundled.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Hudson
We source materials through Haven’s buying network to keep customer prices honest: DuraFlex for stainless relining, HeatShield for cerfractory resurfacing, and Famco for caps and dampers. These aren’t upsells - they’re the parts we stock so Hudson customers don’t wait two weeks for a chase cover or a liner section. When we find deterioration on a Hudson triple-decker’s shared masonry, we can often cap, seal, or reline with materials already on the truck. That matters in January when the stove is your only heat.
Common Chimney Cleaning & Sweep Problems We See in Hudson Homes

- Sweeping only the tenant’s flue in a shared chase. In Hudson’s mill-era two-families and triple-deckers, one chimney chase often vents two or three separate flues for different units. When one tenant adds a wood stove or pellet insert, only that flue gets attention while the shared masonry, crown, and smoke chamber keep deteriorating on the other flues. We inspect and document the entire chase, not just the active flue.
- Treating a hard-run stove like a suburban fireplace. A wood stove run as primary heat in an older, undersized flue builds creosote far faster than the yearly sweep schedule assumes. Hudson’s rural properties and drafty worker cottages push stoves harder than the NFPA annual guideline contemplates. We ask about burn habits and adjust our recommendation accordingly.
- Missing a mismatched liner on a converted chimney. Hudson’s chimneys were built for coal, adapted to oil, and now often vent wood stoves or pellet inserts without proper relining. The original flue is frequently too large for the appliance, won’t hold draft, and allows creosote to condense on cool surfaces. Our camera scan finds this in minutes.
- Ignoring freeze-thaw damage near the Assabet River. Hudson’s inland location brings heavier snowfall and more pronounced freeze-thaw cycling than eastern Massachusetts suburbs. The low-lying river corridor adds localized moisture that hastens efflorescence (white mineral staining) and interior liner cracking. We document this with photos you can show your landlord or insurer.
Pricing for Chimney Cleaning & Sweep in Hudson, MA
| Service | Price Range in Hudson |
|---|---|
| Level 1 Inspection | $180-$240 |
| Level 2 Inspection with camera scan | $220-$320 |
| Standard annual sweep (soot & light creosote) | $220-$280 |
| Creosote removal (moderate to heavy buildup) | $280-$450 |
| Class III creosote (chemical treatment required) | $380-$520 |
| Multi-flue sweep (shared chase, per additional flue) | $120-$180 |
What moves you within these ranges: flue count, creosote class, accessibility (steep roof, tight chase), and whether we need to remove and reset a stove or insert for proper access. We give you the exact number in writing before any work starts - Haven Standard Clause 1. No “call for a quote.” No surprises after the tech is in your home. Free estimates are available; call (978) 481-2900.
We Also Serve Cities Near Hudson

Our crews cover Marlborough, Maynard, Clinton, and Northborough with the same camera-scan standard and written pricing. The chimney problems differ - Marlborough’s newer construction has fewer shared chases, Clinton’s riverfront properties share Hudson’s moisture issues - but the inspection standard doesn’t. If you’re near the Hudson border in any of these towns, we can quote you the same way.
Serving Hudson, MA - Our Local Coverage Area
We’re based in the Hudson 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 - Chimney Cleaning & Sweep in Hudson

The whole chase needs inspection, and usually all flues need attention. In Hudson’s mill-era two-families and triple-deckers, one chimney chase vents multiple units, and the shared masonry, crown, and smoke chamber deteriorate together regardless of which flue is active. We camera-scan every flue and document the common structure. Call (978) 481-2900 for a written quote on multi-flue service.
Every six months if you’re burning wood as primary heat, especially in an older Hudson home with an undersized or converted flue. The NFPA 211 annual guideline assumes supplemental use; hard-run stoves in drafty worker cottages or rural properties build creosote faster. We bundle six-month sweeps at reduced per-visit rates. Call (978) 481-2900 to set up a schedule.
It affects what we find and what we recommend. The white staining is efflorescence, caused by moisture drawing salts through the brick; crumbly joints are spalling from freeze-thaw cycling. Both are common in Hudson’s river-corridor housing and both accelerate liner deterioration. We document this with photos during your Level 2 inspection and tell you plainly whether work can wait or needs immediate attention. Call (978) 481-2900 for a free estimate.
Yes, usually within the first five minutes of a camera scan. We look for oversized flues, incompatible thimble locations, evidence of multiple fuel adaptations, and liner gaps or absence. Hudson’s coal-to-oil-to-wood history is written in the masonry; we’ve documented hundreds of these conversions. We’ll show you the footage and explain what it means for draft safety and creosote buildup. Call (978) 481-2900 to schedule.
First-degree creosote is black, powdery, and brushes off easily. Second-degree is shiny, hardened flakes that require rotary tools. Third-degree is thick, tar-like, and often requires chemical treatment. On a hard-run stove in an older Hudson flue, first-degree can advance to second-degree in a single season - we see this regularly - and second-degree ignites at lower temperatures than most homeowners realize. Early removal is cheaper, faster, and eliminates the chimney fire risk. Call (978) 481-2900 for an inspection and written price.
Ready to see what your flue actually looks like? Call (978) 481-2900 for a free estimate. We’ll give you a written price before any work starts, a camera-scan record of what we find, and the 365-Day Done Right Promise on everything we do. Live phone support, 24 hours a day.
Written by Corrine Halstead, Owner at Level Two Chimney Co., serving Hudson and Worcester County since 2009.





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