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.
Chimney Cleaning Services in Calverton, MD
Professional chimney cleaning in Calverton, MD typically costs between $189 and $329 for a standard sweep with Level-1 inspection, and most appointments are completed in a single visit. Hearthstone Chimney Co. has served communities across the region for over 42 years, and our crews work Calverton homes regularly - from the brick colonials along Beltsville Drive to the split-levels near Calverton Boulevard. Call (301) 479-9806 to speak with a live person any hour of the day; we answer the phone ourselves.
We’ve swept chimneys in Calverton long enough to recognize the particular trouble this housing stock presents. The neighborhood’s homes were built fast in the 1960s and 1970s, and the masonry chimneys are now fifty to sixty years old - original clay tile liners, single-wythe brick construction, and in many cases a fuel conversion (wood or oil to gas) that was never properly relined. That combination produces acidic condensate inside aging flues, silently eroding liner joints while the homeowner sees no outward sign. By the time smoke backs up or a neighbor smells something odd, the damage is rarely minor. Our Chimney Cleaning & Sweep in Calverton is designed to catch this deterioration before it becomes a safety problem.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Why Calverton Homeowners Choose Hearthstone Chimney Co.
Calverton homeowners tend to stay put. They’ve owned their houses for twenty, thirty, sometimes forty years. They’ve also been burned by a contractor before - the kind who quotes low, finds “problems” mid-job, and disappears when something fails six months later. We understand that skepticism. It’s why we built our company differently.
Every inspection ends with photographs you can see yourself and a plain-English verdict. If your flue is sound, we say so. If it needs work, we show you exactly where and explain why. Nothing is recommended without camera evidence. Our Level-2 camera inspections document the condition of your flue like an engineer, but we explain what we’re seeing like a craftsman - no jargon, no scare tactics, just the facts.
Our 90-Day Done Right Promise is backed in writing with no arguing. If something isn’t right, we come back and make it right. That’s the K.E.Y.S. code we operate by: Krafted right, Every time, Your home first, Standing behind it. We’ve been answering the phone with a live person for over 42 years, 24 hours a day, 7 days a week. Not a voicemail tree. Not a callback queue. A real person, every time.
We serve homes throughout Calverton, including the established neighborhoods around Powder Mill Road and the residential areas off Rhode Island Avenue. Our technicians are background-checked, uniformed, and carry professional-grade materials from DuraFlex, HeatShield, and Olympia Chimney. Most jobs are completed in a single visit, with no-hassle upfront pricing - the number on the estimate is the number on the invoice.
Chimney Cleaning Services We Offer in Calverton
Chimney Cleaning & Sweep
Our standard sweep removes creosote buildup, bird nests, and debris from the flue using professional-grade brushes and HEPA-containment vacuums. In Calverton’s split-level homes, where chimneys often run up exterior walls and stay cold longer, we regularly find Stage 2 creosote accumulation even in fireplaces used only occasionally. Learn more about our Chimney Cleaning & Sweep in Calverton.

Chimney Repair
We rebuild deteriorated crowns, repoint mortar joints, and replace spalled brick on chimneys that Calverton’s freeze-thaw cycles have damaged over decades. Our repairs use professional-grade materials from Gelco and Copperfield, matched to your existing masonry. Learn more about our Chimney Repair in Calverton.

Fireplace Services
We service gas inserts, wood-burning units, and fireplace systems that have been adapted from original construction, ensuring proper draft and safe operation. In Calverton’s converted systems, we often find improper flue sizing that creates dangerous carbon monoxide exposure risk. Learn more about our Fireplace Services in Calverton.

Chimney Cap & Crown Installation
A proper cap and sound crown keep water out of your flue and protect the chimney structure from Calverton’s repeated freeze-thaw damage. We install caps from Famco and custom-fabricated solutions, with crowns repaired or poured using professional-grade refractory materials.

Chimney Liner & Rebuild
When clay tile liners have cracked, shifted, or been eroded by acidic condensate from gas conversions, we install stainless steel liners from DuraFlex or apply HeatShield cerfractory resurfacing where appropriate. Full rebuilds are undertaken only when inspection confirms structural failure beyond repair.

Neighborhoods We Serve in Calverton
Our crews work throughout Calverton and the surrounding area, with scheduling coordinated from our Washington, DC office. Typical response time for Calverton appointments is within a few business days, with seasonal priority given to pre-winter inspections.
- Beltsville Drive area brick colonials
- Calverton Boulevard corridor split-levels
- Powder Mill Road established neighborhoods
- Rhode Island Avenue residential sections
- Route 29 nearby communities
Why Calverton’s Climate & Housing Affect Chimney Cleaning
Calverton sits in a tricky mid-Atlantic pocket. Winter temperatures don’t stay consistently cold - they oscillate across the freezing mark dozens of times each season. Every crossing drives moisture deeper into masonry cracks, then freezes it, expanding and fracturing crowns and mortar joints. Summer humidity follows, pushing more water into those same fissures before the cycle repeats. Year over year, this compounds damage that a homeowner might never see from the ground.
The housing stock amplifies the problem. Calverton’s prevalent split-level designs often place the chimney chase on an exterior wall or at the home’s corner, not through a warmer interior space. Those flues stay cold longer, which means slower draft and faster creosote accumulation in wood-burning fireplaces. We’ve found Stage 2 creosote in Calverton fireplaces used only three or four times a year - buildup that surprises homeowners who assumed infrequent use meant no risk. The original clay tile liners in these 1960s-1970s chimneys were never designed for the acidic condensate produced by modern gas appliances, and many conversions were done without proper relining. The result is eroded mortar joints, spalled tile segments, and flues that test dangerously below proper capacity.
This is why a visual-only inspection isn’t sufficient for most Calverton chimneys. Our Level-2 camera inspection runs the full flue length, documenting every joint, every crack, every area of glazed creosote. You see the photos. We explain what they mean. Then you decide what to do, with no pressure and no surprises on the bill.
Pricing for Chimney Cleaning in Calverton
We believe in upfront pricing. The number we quote is the number on the invoice.
| Service | Typical Range |
|---|---|
| Standard chimney sweep with Level-1 inspection | $189 - $329 |
| Level-2 camera inspection (includes photos & report) | $249 - $389 |
| Chimney sweep + Level-2 inspection bundle | $349 - $499 |
| Creosote removal (Stage 2 or glazed) | $399 - $649 |
| Chimney cap installation (standard) | $289 - $549 |
| Crown repair or rebuild | $489 - $1,249 |
| Stainless steel liner installation (DuraFlex) | $2,800 - $4,500 |
Our current standing offers include $50 off any repair over $250, a free second opinion on any written estimate, an $89 seasonal tune-up special, and a permanent 5% senior and veteran discount. Call (301) 479-9806 for an exact quote - estimates are free, and we don’t book work until you’ve seen the camera evidence and approved the scope.
Service Area - Cities Near Calverton
We serve homeowners throughout Prince George’s County and the surrounding region. Our crews regularly work in Silver Spring, Clinton, Chillum, and College Park, with the same live-answer phone service and written guarantee wherever we go.
Serving Calverton, MD - Our Local Coverage Area
We’re based in the Calverton 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 Cleaning in Calverton
A standard chimney sweep with Level-1 inspection in Calverton typically runs $189 to $329, depending on accessibility and the amount of creosote buildup. Level-2 camera inspections, which we recommend for most Calverton homes given the age of the housing stock, range from $249 to $389. Call (301) 479-9806 for a free estimate - we’ll ask a few questions about your chimney and give you a firm number before we book.
The National Fire Protection Association recommends annual inspection for all chimneys, with sweeping as needed based on use and fuel type. In Calverton specifically, we advise annual inspection for every homeowner due to the freeze-thaw damage and the high incidence of unlined gas conversions in 1960s-1970s housing. Even fireplaces used only occasionally can accumulate dangerous creosote when the flue runs cold, as exterior-wall chimneys in split-level homes typically do. Call (301) 479-9806 to schedule before burning season.
We never recommend liner replacement without camera evidence you can see for yourself. In Calverton, we frequently find clay tile liners that are cracked, shifted, or eroded by acidic condensate from gas conversions - damage that creates carbon monoxide risk and cannot be safely patched. But we also find liners with minor spalling that can be monitored annually. The camera doesn’t lie, and neither do we. If work can safely wait, we’ll tell you. Call (301) 479-9806 and we’ll show you exactly what we found.
Skipped maintenance leads to two predictable outcomes in Calverton homes: creosote-ignited chimney fires, which can reach 2,000 degrees and crack liners or damage surrounding structure, and carbon monoxide infiltration from blocked or deteriorated flues. The acidic condensate from unlined gas conversions also continues eroding mortar joints silently, often until a draft failure or leak announces the problem. Neither outcome is rare in fifty-year-old chimneys. The cost of prevention is modest; the cost of remediation is not. Call (301) 479-9806 for a free estimate.
Calverton’s housing was built in a narrow window - mostly 1960s and 1970s - with original clay tile liners now past their fifty-year service life. Many were converted from wood or oil to gas without proper relining, creating a fuel mismatch that produces corrosive condensate. The split-level designs common here place chimneys on exterior walls, so flues stay cold, draft poorly, and accumulate creosote faster. Combined with the region’s destructive freeze-thaw cycles, these factors make Calverton chimneys among the more vulnerable in the metro area. Our inspections are designed specifically to catch the problems this housing stock produces. Call (301) 479-9806 to schedule.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Calverton and local communities for over 42 years.
What happens when you call
- 1A real person answersNo phone trees - talk to a local chimney cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Calverton Customers Say
"Level two inspection before we bought the house. The report was detailed enough to use as a negotiating point and he walked me through every photo in it."
- Carmen Delgado"Drop cloths everywhere, a HEPA vac running the whole time, and not a speck of soot on the carpet. I had been dreading the mess for nothing."
- Danielle Norris"The cap keeps the birds out now, which after two springs of scratching noises above the bedroom is worth every penny."
- Nisha Gupta





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