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 Repair Across Hudson
Chimney repair in Hudson usually falls into two buckets: work that can wait until spring, and work that shouldn’t. A cracked flue tile on a furnace chimney is the second kind. Most repairs we handle in Hudson run between $300 and $2,400 depending on what’s actually wrong, and we’ll show you camera footage before recommending anything. Call (781) 390-9211 and Wendell or his crew will give you a straight answer on what needs doing and what doesn’t.
We’ve worked Hudson’s older neighborhoods long enough to know what’s behind the brick. The town’s shoe-manufacturing era left a lot of beautiful, hardworking homes with chimneys built before modern liners existed. That matters when something fails. It matters when you convert from oil to gas and suddenly smell something musty near the chimney. We know where to look because we’ve looked there before.
Why Top Hat Chimney Is Hudson’s Preferred Chimney Repair Company
Wendell Pike started Top Hat Chimney in 1999 and has been inside more Hudson chimneys than he can count. He puts his name on every job, publishes his license number, and backs the work with a 90-Day Done Right Promise in writing. If something’s not right, one call brings him back. No argument, no runaround.
Hudson homeowners tell us the same story again and again: a national outfit quoted one price on the phone, sent a stranger to the door, then changed the number. We do the opposite. The price you hear before we start is the price on the invoice. And the person who answers the phone at 2 a.m. may well be Wendell himself. That’s not a talking point. That’s how the business runs.
Our local reputation in Hudson is built on showing up when we say we will and telling people the truth even when it means saying, “This can wait.” Not every cracked crown is an emergency. But a spalling clay liner on a gas flue is. If you’re in Hudson and want a Chimney Repair company that will show you the evidence before quoting a dollar figure, you’ve found it.
Our Chimney Repair Services in Hudson
Every repair we do in Hudson starts the same way: we look, we document, then we talk. No recommendations without camera footage. No scare tactics. Here’s what we handle most often in this town.
Mortar Repointing
Hudson’s older brick chimneys take a beating from Worcester County freeze-thaw cycles. Water works into hairline cracks in the mortar, freezes, expands, and slowly turns solid joints to powder. On homes near downtown Hudson, particularly the two-family worker housing built between 1880 and 1930, we regularly see mortar joints that are more sand than cement by the time we get there. Repointing pulls out the bad mortar and packs in fresh, properly matched mix. In Hudson, repointing a typical single-story chimney runs $600 to $1,800 depending on access and how much needs doing.

Spalling Brick Repair
Spalling is what happens when brick faces pop off, usually because water got in and froze. Hudson’s annual snowfall, which typically exceeds 50 inches, makes this a repeat problem. We see it most on the north-facing sides of chimneys and anywhere a Chimney Cap & Crown - Hudson has failed. A few spalled bricks can sometimes be replaced individually for $400 to $900. When a whole section has let go, we’re usually talking about rebuilding that portion instead.

Chimney Waterproofing
Brick is not waterproof. Left alone, it soaks up rain and snow like a sponge, and Hudson gets plenty of both. We apply breathable masonry sealers that block water from getting in while still letting the brick dry out. For most Hudson chimneys, waterproofing runs $350 to $700. It’s one of the few preventive repairs we recommend almost universally on older homes here because the freeze-thaw cycle punishes wet masonry so hard.

Flashing Repair
Flashing is the metal where chimney meets roof, and it fails more often than people realize. On Hudson’s older capes and ranches, it’s common to find flashing that was never done right to begin with, or that’s been patched with roofing tar one too many times. A proper flashing repair, with new metal cut and stepped correctly, typically runs $450 to $1,200 in Hudson. More if roof work is needed to access it. This is one repair we tell people not to put off because a flashing leak doesn’t announce itself until the ceiling stains or the wall starts to smell.

What happens when you call
- 1
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.
Trusted Brands We Service in Hudson
We install and service liners and components from brands we trust because we’ve seen them hold up in New England conditions: Olympia Chimney, Famco, and DuraFlex. When a Hudson chimney needs a Chimney Liner & Rebuild - Hudson, we keep the most common parts in our truck inventory so we’re not waiting on a supply house while your furnace is shut down. We’d rather have the right part on hand the first time than make you schedule a second visit.
Common Chimney Repair Problems We See in Hudson Homes
- Condensation damage after oil-to-gas conversion. Hudson’s older homes were built with flues sized for oil burners. Gas exhaust runs cooler and wetter. That moisture condenses inside the flue and eats clay tile from the inside out. It’s invisible from the outside until it’s serious. A Level 2 camera inspection is the only way to catch it.
- Shared flue confusion in multi-flue stacks. Many homes near Main Street and the surrounding downtown streets have two or three flues sharing one exterior chimney. When one appliance changes, everything changes. Cross-flue leaks are a real carbon monoxide risk and must be traced individually.
- Freeze-thaw spalling on exterior brick. Inland Worcester County gets hard sustained freezes followed by thaws. Water gets in, freezes, expands, and brick faces pop. We see this every winter in Hudson. Once it starts, it accelerates.
- Crown failures from ice and snow load. Hudson regularly sees over 50 inches of snow a year. That weight sits on the chimney crown all winter. Cracks in the crown let water straight down into the stack. Crown repair or replacement is one of the most common jobs we do here.
Pricing for Chimney Repair in Hudson, MA
Here’s what Hudson homeowners can expect to pay for common repairs, based on the work we’ve done in this market:
- Mortar repointing: $600 to $1,800
- Spalling brick repair (isolated): $400 to $900
- Chimney waterproofing: $350 to $700
- Flashing repair: $450 to $1,200
- Partial chimney rebuild (above roofline): $1,800 to $4,500
- Liner resurfacing (HeatShield): $1,200 to $3,000 depending on flue size and condition
- Full clay tile or stainless liner replacement: $2,000 to $5,500
What moves the number is access, roof height, and what’s actually damaged. We always scope the job, show you the footage, and give you a written quote before any work starts. Estimates are free. And we never push a repair the camera doesn’t show. Call (781) 390-9211 for an exact quote.
We Also Serve Cities Near Hudson
Our crews work throughout the area around Hudson, including Maynard, Sudbury, Southborough, and Framingham. If you’re just over the town line, Chimney Repair in Hudson service coverage usually extends to you as well. Call and we’ll tell you straight whether we’re in your area this week.
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 Repair in Hudson
Because chimneys break in the off-season too, and Hudson’s weather does the breaking. Water sits on your crown through spring and fall, freeze-thaw cycles work the mortar, and animals nest when the chimney’s quiet. An annual inspection catches the small stuff before it becomes a rebuild. It costs a fraction of what a major repair does. Call (781) 390-9211 to schedule Chimney Cleaning & Sweep in Hudson and an inspection; we’ll give you a straight answer on what’s there and what isn’t.
No, not as it stands. An unlined or clay-tile-lined chimney from 1900 is oversized for a high-efficiency gas boiler, and modern gas exhaust condenses inside old masonry. The draft never gets hot enough to carry the moisture out, so it pools and soaks into the brick and tile. You may be able to install a properly sized liner, and that’s a conversation we have constantly in Hudson because so many homes here are converting under Massachusetts efficiency incentives. Get a Level 2 inspection first. Call (781) 390-9211 and we’ll camera the flue and tell you what’s needed before the gas company signs off.
Each flue must be individually traced, documented, and confirmed as properly separated along the entire height of the stack. That’s Massachusetts fuel-gas code, and it’s non-negotiable. The flue has to be structurally sound and correctly sized for the insert’s exhaust temperature. We’ve done this on enough Hudson two-families to know the traps. In one off Main Street, our crew traced three flues in one stack, found tile spalling inside from condensation, and had to resurface before the gas company would sign off. That’s the kind of hidden work a visual inspection will miss. Call (781) 390-9211 for a Level 2 inspection with full documentation.
Every cord of wood, and at minimum twice a season. If you’re heating a Hudson home primarily with wood, you’re burning far more than the average recreational user, and creosote builds faster on Vermont Casting and Jotul stoves run low and slow overnight. Rural properties around Hudson that rely on wood as primary heat load up creosote at a rate that surprises people. A mid-season sweep is cheap insurance against a chimney fire. Call (781) 390-9211 and we’ll fit you into the schedule.
Look for condensation damage you can’t see on the surface. The flue was sized for oil, and gas exhaust is cooler and wetter. That moisture condenses, soaks into old mortar and tile, and works its way out as efflorescence, musty smells, or water stains inside the house. On a two-family off Main Street, we traced exactly that: a homeowner switched to gas, noticed a smell, and our camera found the clay tile liner spalling from inside. The fix was a HeatShield resurfacing liner and crown rebuild, and the gas company needed documentation of flue separation before they’d connect. Don’t wait until the line is run. Get the inspection now. Call (781) 390-9211 for a free estimate and we’ll start with the camera.
Call Top Hat Chimney for Chimney Repair in Hudson, MA
You’ve got a chimney that’s been standing through Hudson winters for a century or more. It deserves a straight look from someone who knows what he’s looking at. Wendell Pike and his crew will show you exactly what’s there, tell you what needs doing and what can wait, and put the price in writing before a single tool comes off the truck. Every job is backed by the 90-Day Done Right Promise.
Call (781) 390-9211 for a free estimate on chimney repair in Hudson. Talk to a live person, get a straight answer, and keep your chimney working the way it should.
Written by Wendell Pike, Owner at Top Hat Chimney, serving Hudson since 1999.





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