Prime Chimney Sweep & Repair
32 Chimney Services. All Five Boroughs. One Call. 10 crews dispatching from Brooklyn – no subcontractors, no delays
24/7 Emergency Services
What Prime Chimney Does - and Where
When water is pouring into your firebox or your carbon monoxide detectors are blaring at 2 AM,
you cannot wait two weeks for an estimator. We bypass the standard maintenance queues to deploy
rapid-response triage units to secure your property immediately.
Sudden Smoke Backdrafts & Toxic Airflow
Post- Fire Chimney Safety & Creosote Glaze
Severe Storm Damage & Blown Flashing
Active Water Intrusion & Chimney Leaks
Built for NYC Buildings, Not Suburban Driveways
NYC chimney work is different from anywhere else in the country – and the differences matter.
Most national chimney guides assume a detached house with a single flue and roof access from the backyard. That’s not New York City.
Here’s what most homeowners don’t realize about NYC chimneys: a single chimney stack in a Brooklyn brownstone or a pre-war Manhattan building often contains two, three, or four separate chimney flues – the interior channels that move combustion gases out of the building. Each one may serve a different unit. Each may have been last inspected before the current owner moved in.
NYC buildings constructed before 1940 – pre-war building stock – were built with lime mortar and clay tile liners. They respond differently to repair than modern construction. Using the wrong mortar mix during repointing accelerates brick deterioration rather than stopping it. Using a film-forming sealant on pre-war brick traps moisture inside the masonry and causes freeze-thaw damage to compound faster. These aren’t edge cases here. They’re the baseline condition across most of Brooklyn, Queens, and upper Manhattan.
The NYC Department of Buildings (DOB) – the city agency that regulates structural chimney work, permits, and violation enforcement – adds a layer that suburban chimney work doesn’t have. We work inside that system daily.
Our crews know these buildings. We work in them every week.
When One Call Covers Everything From a Cleaning to a Crisis
One company handling 32 services means your chimney situation doesn’t fall between two vendors.
A call came in on a Saturday evening last February. A property manager in Crown Heights had a brownstone showing a ceiling stain near the fireplace – a brown ring spreading from the wall. No one had touched the chimney in years. She didn’t know if it was a roof issue or a chimney issue. She’d already had a roofer clear the flat roof as the source.
We dispatched a crew that evening. The tech accessed the rooftop and found the flashing on the party-wall side of the chimney – the side facing the adjacent building – had separated at the base. Water had been running behind it for at least one season. The crown had two hairline cracks that had opened from freeze-thaw cycling.
The tech applied a temporary flashing seal and an emergency crown coating that night. That stopped the water entry before the next rain system – which arrived Sunday morning. A full flashing reseat and crown replacement was scheduled and completed the following week.
That’s the value of one crew covering the full scope. The initial emergency stabilization, the follow-up masonry repair, and the subsequent waterproofing treatment were all handled without the property manager coordinating among the separate contractors.
No subcontracting. One number, one crew, one documented record from start to finish.A
