Brooklyn brownstones are among the most desirable properties in New York City — and among the most complex to renovate. These 100+ year old buildings have unique structural systems, historic preservation requirements, and renovation challenges that demand a contractor with specific brownstone experience. Here is everything you need to know.
Understanding Your Brownstone
Most Brooklyn brownstones were built between 1860 and 1910. They are typically 3-4 stories, 20 feet wide, with load-bearing masonry walls (brick party walls on the sides, brownstone facade in front). Floor systems are wood joists, often undersized by modern standards. Plumbing is usually original cast iron, and electrical may still include knob-and-tube wiring in the upper floors.
Common Brownstone Renovation Projects
The most popular brownstone renovations include parlor floor kitchen/living room renovations (often involving removing the wall between the front and back rooms), garden-level conversions (creating a modern kitchen and family room below grade), bathroom additions and renovations, full-floor owner suite creation, and whole-house gut renovations that modernize every system while preserving historic character.
Structural Considerations
Brownstone renovation almost always involves structural work. Removing the bearing wall between front and back rooms requires a steel beam and proper engineering. Opening up between floors for a new staircase means cutting and reinforcing floor joists. Adding a rear extension requires new foundation work. We work with structural engineers on every brownstone project to ensure the work is safe and code-compliant.
Historic District & Landmark Regulations
Many Brooklyn brownstone neighborhoods — Park Slope, Brooklyn Heights, Fort Greene, Clinton Hill, Cobble Hill — are designated historic districts. Any visible exterior changes (windows, doors, facade work, rear extensions visible from the street) require Landmarks Preservation Commission (LPC) approval before you can get a DOB permit. Interior work generally does not require LPC review. We coordinate both LPC and DOB approvals to keep your timeline on track.
Cost Expectations
Brownstone renovation costs in Brooklyn typically range from $200-$350 per square foot for a full gut renovation. A single-floor renovation (like a parlor floor kitchen/living room) generally runs $150,000-$300,000. A full four-story gut can range from $600,000 to over $1.2 million depending on the scope and finish level. These numbers include construction but may not include architectural fees, engineering, and permit costs.
Choosing the Right Contractor
Not every contractor understands brownstones. You need a team that has experience with masonry bearing walls, pre-war floor systems, brownstone facade restoration, and the specific permitting requirements of historic districts. Ask potential contractors specifically about their brownstone experience and request references from similar projects in your neighborhood.
About Asif Contracting
Asif Contracting Corp is a licensed NYC general contractor with 25+ years of experience in residential and commercial construction across all five boroughs. We specialize in renovations, new construction, and structural alterations.
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