Brooklyn brownstones and pre-war buildings

Bathroom Renovation Brooklyn
Expert Contractor

Professional bathroom renovation services throughout Brooklyn. Serving Park Slope, Williamsburg, Brooklyn Heights, DUMBO, Cobble Hill and all of Brooklyn. $12,000 - $60,000. Free estimates within 24 hours.

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

Trusted Bathroom Renovation
Throughout Brooklyn

Sani Building Corp has been providing professional bathroom renovation 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.

⭐
4.9 Star Rated · 62+ ReviewsTrusted by Brooklyn homeowners since 2015
🛡️
Fully InsuredLiability insurance & worker compensation
📋
NYC DOB PermitsExperienced with Brooklyn co-op and condo requirements
💰
Free Detailed EstimatesWritten quotes within 24 hours
Bathroom renovation Brooklyn - Sani Building Corp
What We Do

Our Bathroom Renovation
Services in Brooklyn

  • Full bathroom gut renovations
  • Custom tile & shower installation
  • Waterproofing & plumbing
  • Vanity & fixture installation
  • Heated floor systems
  • NYC Department of Buildings permits
Our Process

How We Renovate Brooklyn Bathrooms
Step by Step

01
Consultation & Estimate

On-site visit to assess your bathroom, take measurements, discuss your vision, and provide a detailed written estimate.

02
Demolition

Careful removal of old tile, fixtures, vanity, and tub. We protect surrounding areas from dust and debris.

03
Plumbing & Electrical

Update or relocate plumbing for new shower, toilet, vanity. Install GFCI outlets, ventilation, and proper lighting.

04
Waterproofing

Professional waterproof membrane on shower walls, floors, and around tub - critical for NYC bathrooms.

05
Tile Installation

Expert tile installation on floors, walls, and shower surround with precise grout work and sealing.

06
Fixtures Installation

Install vanity, faucets, toilet, shower fixtures, mirror, and all accessories with quality craftsmanship.

07
Painting & Trim

Paint walls and ceiling, install trim, baseboards, and final finishing details.

08
Final Walkthrough

We walk through every detail, complete cleanup, and deliver your beautiful new bathroom on time.

Areas We Serve

Bathroom Renovation Throughout
Brooklyn

We provide bathroom renovation 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.

Modern bathroom renovation with marble tile - Sani Building Corp
Modern bathroom renovation with marble tile
Luxury walk-in shower installation - Sani Building Corp
Luxury walk-in shower installation
Custom bathroom vanity with quartz countertop - Sani Building Corp
Custom bathroom vanity with quartz countertop
Subway tile bathroom remodel - Sani Building Corp
Subway tile bathroom remodel
Master bathroom with freestanding tub - Sani Building Corp
Master bathroom with freestanding tub
Bathroom floor tile installation detail - Sani Building Corp
Bathroom floor tile installation detail
Get Free Estimate
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

Bathroom Renovation Brooklyn
FAQs

How much does a bathroom renovation cost in Brooklyn?
Bathroom renovations in Brooklyn typically range from $12,000-$20,000 for a mid-range remodel to $30,000-$60,000+ for a high-end gut renovation. Smaller refresh projects start around $7,000. We provide free detailed estimates.
How long does a bathroom renovation take in Brooklyn?
A typical Brooklyn bathroom renovation takes 2-4 weeks. Full gut renovations can take 4-6 weeks. Timeline depends on scope, material delivery, and building requirements.
Do you handle waterproofing properly?
Absolutely. Proper waterproofing is critical. We apply professional waterproof membrane on all shower walls, floors, and around tubs before any tile installation to prevent leaks and mold for decades.
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 Bathroom Renovation?

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

Get Free Estimate 📞 Call (332) 277-0990