The short answer
Yes, ClearStack Chimney Service works throughout Sunset Park, Brooklyn (11220 and 11232), about two miles from our Dyker Heights office. We handle chimney sweeping, inspections, repairs, liners, waterproofing, and dryer vent and air duct cleaning for rowhouses, brownstones, apartment buildings and detached homes.
Sunset Park sits about two miles north of our office in Dyker Heights, so ClearStack Chimney Service crews work regularly in ZIP codes 11220 and 11232. The neighborhood's rowhouses, brownstones, pre-war apartment buildings and detached homes have chimneys of very different ages and uses, from decorative fireplaces to flues that still vent a working boiler. Our certified technicians sweep, inspect, reline and repair them, and we also clean dryer vents and air ducts.
Chimney Care for Sunset Park Homes and Buildings
Many Sunset Park chimneys were built of brick for coal or oil heat and have been through several changes since. A rowhouse often shares walls with neighbors on both sides, so a cracked flue or open mortar joint can affect more than one home. Pre-war apartment buildings usually run a tall masonry chimney for the boiler, and that flue works hard all winter.
The NFPA 211 standard calls for chimneys, fireplaces and vents to be inspected once a year. A Level 1 inspection fits when nothing has changed. A Level 2 inspection is called for when you add a new appliance, switch fuels or sell the home. A Level 3 inspection is for hidden hazards that can only be reached by opening part of the chimney or building.

What Brooklyn Weather Does to a Chimney
Brooklyn winters bring repeated freeze-thaw cycles. Water that soaks into brick and mortar expands when it freezes, and over a few seasons it loosens joints, cracks crowns and flakes the face off bricks. Nor'easters drive rain sideways into chimneys that stand exposed above flat rowhouse roofs, and humid summers can draw out the smell of old soot.
New York City's heat season runs from October 1 through May 31, when building owners must keep apartments heated to the city's minimum temperatures. A blocked or deteriorating boiler flue in midwinter is hard to deal with, so we suggest booking inspections and repairs in late summer or early fall, before the heat comes on. Watch for these signs:
- White staining or crumbling mortar on the chimney's brick
- Water stains on ceilings or walls near the chimney
- A rusted, loose or missing chimney cap
- A fireplace damper that sticks or won't close
- Strong odors from the fireplace on humid days
Oil-to-Gas Conversions and Chimney Liners
When a New York City building converts its boiler from oil to gas, the chimney has to be evaluated as part of the work. A new liner is often needed, because gas exhaust produces acidic condensate that can corrode a masonry flue. We inspect the flue, install a properly sized liner when one is needed, and can coordinate timing with your heating contractor so the conversion isn't held up.
Time for your annual chimney check?
Dryer Vent and Air Duct Cleaning
According to the U.S. Fire Administration, failure to clean is the leading factor contributing to clothes dryer fires in homes. In rowhouses and apartments, dryer vents often run a long way to a rear wall or the roof, and lint collects in the bends. If loads take longer to dry or the laundry area feels unusually hot, have the vent checked.
For air ducts, we follow the EPA's guidance: cleaning makes sense when there is substantial visible mold growth, signs of vermin, or excessive dust and debris. The EPA notes that duct cleaning has not been shown to prevent health problems, so we'll tell you plainly whether your system needs it. The agency also suggests researching the process before responding to very cheap advertised offers and being careful with chemical treatments, so ask us to explain any treatment before it's used.
Services Available in 11220 and 11232
Every service we offer is available in Sunset Park, and in nearby Borough Park, Dyker Heights, Kensington, Bay Ridge and Ditmas Park.
- Chimney sweep and chimney inspection
- Chimney repair and chimney rebuilding
- Chimney liner installation
- Chimney cap and chase cover installation
- Chimney waterproofing
- Fireplace and damper repair
- Dryer vent cleaning
- Air duct cleaning
ZIP codes we serve
- 11220
- 11232
Services in Sunset Park
- Chimney Sweep in Sunset Park
- Chimney Inspection in Sunset Park
- Chimney Repair in Sunset Park
- Air Duct Cleaning in Sunset Park
- Chimney Liner Installation in Sunset Park

