Brooklyn brownstones and pre-war buildings

Renovation Contractor Brooklyn
Expert Contractor

Professional renovation contractor services throughout Brooklyn. Serving Park Slope, Williamsburg, Brooklyn Heights, DUMBO, Cobble Hill and all of Brooklyn. Project-based pricing. Free estimates within 24 hours.

Get Free Estimate 📞 Call (332) 277-0990
Renovation Contractor Brooklyn

Trusted Renovation Contractor
Throughout Brooklyn

Sani Building Corp has been providing professional renovation contractor services to Brooklyn homeowners for over 10 years. Our work spans the full range of brownstones, co-ops, condos, and townhouses, where we preserve classic brownstone character while modernizing functionality.

From the historic streets of Park Slope to modern developments in Williamsburg, we understand what makes Brooklyn homes unique. Our team handles every detail with care - 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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NYC DOB PermitsExperienced with Brooklyn co-op and condo requirements
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Free Detailed EstimatesWritten quotes within 24 hours
Renovation contractor Brooklyn - Sani Building Corp
What We Do

Our Renovation
Services in Brooklyn

  • Full-service renovations
  • Bathroom & kitchen remodels
  • Painting, flooring & carpentry
  • Water damage restoration
  • Co-op & condo experience
  • NYC permits & insurance
Our Process

How We Renovate Brooklyn Properties
Step by Step

01
Free Consultation

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

02
Detailed Estimate

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

03
Project Planning

Schedule the project, order materials, handle permits, and coordinate the work.

04
Demolition & Prep

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

05
Trades & Construction

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

06
Finishes Installation

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

07
Quality Inspection

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

08
Final Walkthrough

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

Areas We Serve

Renovation Contractor Throughout
Brooklyn

We provide renovation contractor services to homeowners in every Brooklyn neighborhood, including:

Park Slope · Williamsburg · Brooklyn Heights · DUMBO · Cobble Hill · Carroll Gardens · Bay Ridge · Crown Heights · Bushwick · Fort Greene · Boerum Hill · Greenpoint · Bensonhurst · Sheepshead Bay
Brooklyn Portfolio

Recent Projects in
Brooklyn

Browse a selection of our recent work. Quality craftsmanship and attention to detail in every project.

Full home renovation project - Sani Building Corp
Full home renovation project
Kitchen renovation in progress - Sani Building Corp
Kitchen renovation in progress
Bathroom renovation final result - Sani Building Corp
Bathroom renovation final result
Modern home interior renovation - Sani Building Corp
Modern home interior renovation
Open concept living space renovation - Sani Building Corp
Open concept living space renovation
NYC renovation contractor work - Sani Building Corp
NYC renovation contractor work
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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."

S
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."

M
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."

J
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."

D
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."

A
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."

C
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.

Ready to Start Your
Brooklyn Renovation?

Get a free, detailed estimate within 24 hours. No obligations, no hidden fees.

Get Free Estimate 📞 Call (332) 277-0990