Chimney Cleaning Services in Park Slope, NY
Park Slope’s brownstone chimneys demand a sweep who understands party-wall construction and century-old flue systems, not a quick brush-and-go. Hearthstone Chimney Co., serving Brooklyn, NY, has worked in Park Slope since 2011, and our technicians arrive with Level-2 camera equipment, professional-grade brushes sized for narrow Victorian flues, and the patience to document what we find. A live person answers our phones at (855) 950-3861 - every hour, every day - and most cleanings are completed in a single visit with upfront pricing that matches the final invoice.
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 Park Slope Homeowners Choose Hearthstone Chimney Co. of New York City
We’ve been invited back into the same Prospect Park West and 7th Avenue brownstones year after year because we treat these buildings with the care they require. Park Slope homeowners - many of whom have owned for twenty-plus years and intend to stay - remember the contractor who showed up late, the one who left soot in the parlor, the one whose “guarantee” turned out to be a voicemail box. We’ve heard those stories in dining rooms on Carroll Street and Garfield Place, and we’ve built our business to be the answer to them.
Our 90-Day Done Right Promise is backed in writing with no arguing - if the flue isn’t drawing properly after we’ve swept it, we return and make it right. Every technician is background-checked and uniformed. Every call reaches a live person, 24 hours a day, 7 days a week - not a callback queue, not an app. Most jobs finish in one visit. And our pricing is set before we start: the number on the estimate is the number on the invoice.
We’ve earned a strong local reputation across the 11215 ZIP code and surrounding blocks. Homeowners in the North Slope near Grand Army Plaza and in the South Slope below 9th Street call us because their neighbors did. That trust is not something we take lightly.
Chimney Cleaning Services We Offer in Park Slope
Chimney Cleaning & Sweep
Our standard sweep removes creosote buildup, obstructions, and debris from the flue, smoke chamber, and firebox. In Park Slope’s multi-flue party-wall chimneys, we clean each flue separately and document the condition of every passageway with camera footage you can see. Learn more about our Chimney Cleaning & Sweep in Park Slope.

Chimney Repair
We repoint eroded mortar joints, rebuild deteriorated crowns, and address spalling brownstone - the freeze-thaw damage common to Park Slope’s exposed chimney exteriors. Every repair quote includes photos and a plain-English verdict. Learn more about our Chimney Repair in Park Slope.

Fireplace Services
As Park Slope’s brownstone renovation wave reopens fireplaces sealed during mid-century gas conversions, we inspect, restore, and certify these systems for safe solid-fuel use under NYC DOB and FDNY regulations. Learn more about our Fireplace Services in Park Slope.

Chimney Cap & Crown Installation
A proper Chimney Cap & Crown in Park Slope keeps Brooklyn’s driving rains and squirrel populations out of your flue. We fabricate and install caps using Gelco and Copperfield components, sized to the irregular dimensions of Victorian masonry. Our crowns are poured to shed water and withstand the freeze-thaw cycles that destroy lesser work.

Chimney Liner & Rebuild
When original clay tile liners have collapsed or were never installed, a Chimney Liner & Rebuild in Park Slope may be needed; we reline with Olympia Chimney stainless steel or HeatShield cerfractory systems - materials engineered for the multi-flue, high-heat demands of Park Slope’s restored fireplaces. Full rebuilds use Famco components and matching brownstone or brick to preserve street-facing aesthetics.

Neighborhoods We Serve in Park Slope
Our trucks are stationed to reach any Park Slope address within our standard response window. These are the blocks we know best:
- North Slope - Grand Army Plaza to Union Street, including the landmarked rows near Prospect Park West
- Center Slope - 7th Avenue corridor and the side streets between 5th and 8th Avenues
- South Slope - below 9th Street to the Prospect Expressway, including the mixed residential blocks near Bartel-Pritchard Square
- Windsor Terrace border - the 15th Street to Prospect Park West transition zone with shared architectural stock
Most appointments are available within 48 hours, with same-day service for urgent drafting or blockage issues.
Why Park Slope’s Climate & Housing Affect Chimney Cleaning
Park Slope’s signature late-Victorian brownstone rowhouses - the vast majority built between 1880 and 1910 - typically contain three to five stacked original masonry fireplaces per building, all sharing multi-flue party-wall chimneys. As the neighborhood’s ongoing brownstone renovation wave leads owners to reopen fireplaces that were sealed or gas-converted mid-century, these 100-plus-year-old flues frequently lack modern clay tile liners, have crumbling mortar joints, and carry altered configurations from past conversions - all of which must be resolved before use under NYC DOB and FDNY solid-fuel appliance regulations.
Brooklyn’s freeze-thaw cycles compound the problem. Temperatures cross 32°F multiple times each winter, accelerating spalling of the soft Triassic brownstone used in chimney crowns and caps, and eroding lime mortar joints faster than in more stable climates. Fireplaces see concentrated use from October through March, making late-summer inspection and cleaning essential before the heating season. A flue that drew adequately in April may be partially blocked by collapsed mortar or animal nesting by October. And because Park Slope chimneys are almost always shared party-wall structures abutting the neighbor’s flues, a collapsed flue tile or heavy creosote buildup on one side can block or contaminate an adjacent unit’s flue - a liability issue that makes per-unit disclosure and documentation especially important in the neighborhood’s co-op and condo-heavy ownership landscape.
This is not generic chimney work. It requires a sweep who understands brownstone construction, party-wall law, and the specific failure patterns of 140-year-old flue systems. We’ve developed that expertise across twelve years of working in these buildings.
Pricing for Chimney Cleaning in Park Slope
We publish our pricing because Park Slope homeowners have told us they are tired of estimates that balloon. These are the ranges for typical chimney cleaning work in the 11215 area:
| Service | Price Range |
|---|---|
| Standard chimney sweep (single flue, gas or wood) | $189 - $269 |
| Multi-flue sweep (2-3 flues, typical brownstone) | $349 - $489 |
| Level-2 camera inspection with written report | $249 - $349 |
| Combination sweep + inspection package | $399 - $549 |
| Heavy creosote removal (glazed or third-stage) | Add $150 - $280 |
| Chimney cap installation (standard size) | $385 - $675 |
Our $89 Seasonal Tune-Up covers basic inspection and light cleaning for gas fireplaces - available spring through early September. Seniors and veterans receive a permanent 5% discount. We also offer $50 off any repair over $250, and a free second opinion on any written estimate you’ve received elsewhere. The price we quote is the price you pay. Call (855) 950-3861 for an exact quote - estimates are free.
Service Area - Cities Near Park Slope
We work throughout central Brooklyn and into adjacent neighborhoods. Homeowners in Brooklyn proper, Kensington to the southeast, Brooklyn Heights to the west, and Flatbush to the east call us for the same reason Park Slope does: we show up, we document what we find, and we stand behind the work. Our technicians carry the same equipment and follow the same standards whether the job is on Prospect Park West or Ocean Parkway.
Serving Park Slope, NY - Our Local Coverage Area
We’re based in the Park Slope area and also focus on serving Kensington, NY - we 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 Park Slope
A standard single-flue sweep runs $189 to $269 in Park Slope, with multi-flue brownstone jobs typically $349 to $489. Heavy creosote or glazed buildup adds $150 to $280. We provide upfront pricing before any work begins, and seniors and veterans save 5% on every job. Call (855) 950-3861 for a free estimate matched to your specific flue configuration.
The National Fire Protection Association recommends annual inspection for all chimneys, with cleaning as needed based on use and fuel type. In Park Slope’s 3-to-5-flue party-wall chimneys, we often find that heavily used wood-burning flues need sweeping every season, while gas or seldom-used fireplaces may extend to every two years with annual inspection. Brooklyn’s freeze-thaw cycles and the age of these flue systems make the inspection non-negotiable - we have documented collapsed liners that showed no external warning signs. Call (855) 950-3861 to schedule before the October rush.
Yes, and we are experienced with the documentation co-op boards require. Park Slope’s rowhouse chimneys almost always share party-wall construction, meaning a defect in one unit’s flue can affect adjacent units. Our Level-2 camera inspection produces photos and a plain-English report for each individual flue, which satisfies most Park Slope co-op insurance and disclosure requirements. We coordinate access with neighbors when necessary and provide per-unit documentation. Call (855) 950-3861 to discuss your building’s specific needs.
Repair is usually less expensive when the damage is localized - cracked tiles in one section, minor joint gaps - and can often be addressed with HeatShield cerfractory sealant or targeted stainless steel inserts. Full replacement with an Olympia Chimney stainless liner becomes the better investment when multiple flue tiles have collapsed, the original liner is missing entirely, or the chimney services multiple restored fireplaces with heavy use. We document the full condition with camera footage and quote both options when both are viable. Our free second opinion applies if you’ve already received another estimate. Call (855) 950-3861 to review your options.
Same-day service is often available for drafting emergencies, suspected blockages, or post-storm damage - particularly in the North Slope and Center Slope where our response time is shortest. A live person answers our phones 24 hours a day, 7 days a week, and we prioritize calls involving active fireplace use or safety concerns. For non-urgent scheduling, most Park Slope appointments are available within 48 hours. Call (855) 950-3861 and we’ll tell you exactly when we can be there.
Written by the team at Hearthstone Chimney Co., serving Park Slope since 2011.
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.
- 3A background-checked tech heads outLicensed & insured, typically within 60-minute.
- 4You approve before work beginsNothing starts until you say go.
What New York City Customers Say
"Showed up fast, fixed it right the first time, and the price matched the quote. Couldn't ask for more."
- Verified local homeowner"Professional from the first call. Explained everything clearly and left the area spotless."
- Verified local homeowner"Called in the morning, problem solved by afternoon. Honest, upfront pricing - highly recommend."
- Verified local homeowner