Renovation Contractor Brooklyn

Trusted Renovation Contractor
Throughout Brooklyn

For over 10 years, Sani Building Corp has been one of the most trusted general contractors and renovation contractors in Brooklyn. As full-service bathroom renovation contractors, kitchen remodel contractors and home renovation contractors, we work across brownstones, pre-war co-ops, condos and townhouses — preserving classic Brooklyn character while modernizing every space.

From the historic streets of Park Slope to the converted lofts of Williamsburg and DUMBO, we know what makes Brooklyn homes unique. Whether you searched "general contractor Brooklyn," "contractors in Brooklyn" or "home renovation contractors near me," our team handles every detail in-house — from initial design consultation to final cleanup.

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4.9 Star Rated · 62+ ReviewsTrusted by Brooklyn homeowners since 2015

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Fully InsuredLiability insurance & worker compensation

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Co-op & Condo ApprovedExperienced with Brooklyn co-op and condo board requirements and alteration agreements

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Free Detailed EstimatesWritten quotes within 24 hours

Renovation contractor Brooklyn - Sani Building Corp

What We Do

Brooklyn Renovation & Remodeling
Services for Homes & Businesses

As one of Brooklyn's full-service renovation and remodeling contractors, we cover everything from a single bathroom remodel to a whole-home renovation, basement finishing or a home addition — for both homeowners and commercial spaces.

Bathroom Remodeling

As experienced bathroom remodel contractors in Brooklyn, we handle complete bathroom renovations — walk-in showers, soaking tubs, vanities, custom tile and waterproofing. If you've searched for bathroom renovation contractors near me or a bath renovation near me, we deliver lasting, on-budget results.

Kitchen Remodeling

Trusted kitchen remodel contractors for Brooklyn homes, apartments and lofts. From cabinet installation and countertops to full kitchen renovations, we're the contractor for kitchen remodel projects of every size — and one of the kitchen renovation contractors Brooklyn homeowners recommend.

Home Renovation & Remodeling

Full-service home renovation contractors and home remodelers serving all of Brooklyn. We take on whole-apartment and whole-home renovations, gut renovations and house renovation projects — the home renovation contractors near me that Brooklyn families trust from demo to final finish.

Basement Finishing & Remodeling

Brooklyn basement finishing contractors for cellars, garden levels and below-grade spaces. We waterproof, frame, insulate and finish basements into living areas, home offices and rec rooms — basement renovation contractors who turn unused space into real square footage.

Home Additions & Extensions

Looking for home addition contractors in Brooklyn? As a home addition contractor we build rear extensions, dormers, floor additions and bump-outs that match your home's character while adding usable space and long-term value.

Painting, Flooring & Carpentry

The finishing trades that complete a Brooklyn renovation: interior and exterior painting, hardwood and tile flooring, plus custom carpentry, trim and millwork installed with precision throughout your home.

Water Damage Restoration

Fast, reliable restoration contractors near me for Brooklyn water damage — leak repair, mold remediation, drywall replacement and full restoration after floods, leaks or burst pipes, getting your home back to normal quickly.

Commercial Renovation

Beyond homes, we renovate Brooklyn restaurants, retail stores and offices — commercial bathrooms, build-outs and storefront upgrades — scheduled to minimize downtime and keep your business running.

Co-op & Condo Renovation

Renovating a Brooklyn co-op or condo? We work within building rules and alteration agreements, coordinate board approvals, and carry the insurance most Brooklyn buildings require — a remodeling contractor near me that managing agents approve.

Our Process

How We Renovate Brooklyn Properties
Step by Step

Free Consultation

On-site visit to discuss your project, take measurements, and understand your goals and budget.

Detailed Estimate

Receive a clear written estimate within 24 hours with itemized labor and materials costs.

Project Planning

Schedule the project, order materials, coordinate building and board approvals, and stage the work.

Demolition & Prep

Careful demolition of existing materials. Protect surrounding areas. Dispose of debris responsibly.

Trades & Construction

Plumbing, electrical, structural, framing, drywall - all trades coordinated in-house.

Finishes Installation

Tile, flooring, paint, cabinets, trim, and all final finishes installed with precision.

Quality Inspection

Multi-stage quality checks throughout the project to ensure excellence at every step.

Final Walkthrough

Complete walkthrough together, full cleanup, and warranty documentation handover.

Customer Reviews

What Brooklyn Clients Say
About Our Work

★★★★★

"Sani Building Corp completely renovated our Park Slope brownstone bathroom. They maintained the original character while bringing modern functionality. Stunning subway tile work and the heated floors are amazing."

Sarah K.

Park Slope, Brooklyn

★★★★★

"Full kitchen renovation in our Williamsburg loft. Custom cabinets, marble countertops, professional appliances. They finished on time and the result is gorgeous. Best contractor in Brooklyn."

Michael T.

Williamsburg, Brooklyn

★★★★★

"Painted our entire Brooklyn Heights brownstone - 3 floors of intricate trim, crown moldings, and walls. The skim coating made the walls look brand new. Worth every penny."

Jennifer L.

Brooklyn Heights, Brooklyn

★★★★★

"Full home renovation in our Cobble Hill brownstone. Kitchen, two bathrooms, refinished original floors, and custom millwork throughout. Sani managed every detail professionally."

David R.

Cobble Hill, Brooklyn

★★★★★

"Modern kitchen renovation in our DUMBO condo. They worked around our building rules and finished on schedule. The quartz waterfall island is the centerpiece."

Amanda S.

DUMBO, Brooklyn

★★★★★

"Two-bathroom renovation in our Bay Ridge home. Master bath has a beautiful walk-in shower, and the kids bath got a fresh modern design. Excellent quality work."

Christopher M.

Bay Ridge, Brooklyn

Common Questions

Renovation Contractor Brooklyn
FAQs

How much does renovation cost in Brooklyn?

Renovation costs in Brooklyn vary widely. Single-room renovations from $8,000, full apartment renovations $40,000-$150,000+, whole-home renovations $80,000-$400,000+. We provide free detailed estimates.

How long does a renovation take in Brooklyn?

Project timelines in Brooklyn vary: single room 1-3 weeks, full apartment 8-16 weeks, whole home 3-9 months. We provide accurate timelines after consultation.

What services do you offer?

We are a full-service renovation contractor offering bathroom renovation, kitchen renovation, painting, flooring, carpentry, water damage restoration, and complete home renovations.

Do you serve all of Brooklyn?

Yes - we serve all neighborhoods throughout Brooklyn. Our team regularly works in Park Slope, Williamsburg, Brooklyn Heights, DUMBO, Cobble Hill, and surrounding areas.

Are you fully insured in Brooklyn?

Yes. Sani Building Corp is fully insured to perform renovation work in Brooklyn with comprehensive liability insurance and worker compensation. We provide certificates on request.

Do you work with Brooklyn co-ops and condos?

Yes. We regularly work in Brooklyn co-ops and condos. We are familiar with alteration agreements, building rules, and insurance requirements. We handle all required paperwork.

How much does a bathroom remodel cost in Brooklyn?

Most Brooklyn bathroom remodels range from about $12,000 to $35,000+ depending on size, fixtures and tile. As upfront bathroom remodel contractors, we give you a free, itemized written estimate before any work begins.

Do you do kitchen remodels near me in Brooklyn?

Yes. As kitchen remodel contractors serving every Brooklyn neighborhood, we handle cabinets, countertops, flooring and full kitchen renovations. Search "kitchen remodel near me" and book a free estimate with our team.

Do you finish and remodel basements in Brooklyn?

Yes. We are experienced basement finishing and basement renovation contractors. We waterproof, frame, insulate and finish Brooklyn basements into living space, home offices and rec rooms.

Do you build home additions in Brooklyn?

Yes. As home addition contractors we build rear extensions, dormers and floor additions that add square footage while matching your home's existing character and meeting building requirements.

Renovation & General Contractor in Brooklyn
Bathroom, Kitchen & Home Remodeling

Trusted Renovation Contractor
Throughout Brooklyn