Bathroom Renovation & Remodeling NYC

Bathroom Remodel & Renovation Contractors in NYC

Trusted bathroom remodel & renovation contractors for homes and businesses across NYC — Manhattan, Brooklyn, Queens, the Bronx, Staten Island & Long Island. Full bathroom remodeling, walk-in shower installation, custom vanities, premium tile & waterproofing — from small bathroom remodels to full gut renovations. Free cost estimate.

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Free Design Consult

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Fully Insured

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All 5 Boroughs

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10+ Years Experience

Bathroom renovation with Sani Building Corp

What it is

A complete bathroom remodel by our own team: demolition, waterproofing, tile, vanity, plumbing fixtures, lighting, painting and final clean-up.

Best for

Outdated layouts, worn-out bathrooms, small NYC bathrooms that need more storage and light, and full gut renovations.

How long

Usually 2–4 weeks; a full gut renovation 4–6 weeks. You get the schedule in writing.

Price

A fixed, itemized written price based on size, materials and how much of the layout changes. Free estimate within 24 hours.

Faster options

Wall panels over existing tile in 1–3 days, or a bathtub to walk-in shower conversion without a full remodel.

Where

All five NYC boroughs — Brooklyn, Manhattan, Queens, the Bronx and Staten Island — plus Long Island and Nassau County.

Guarantee

Fully insured, 3-year workmanship warranty, insurance certificate (COI) for your building on request.

Questions? Call (332) 277-0990 or send photos for a free estimate.

A Smooth, Transparent Process

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Consultation

We discuss your vision, budget & timeline.

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Design & Plan

We create a design & material selection plan.

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Demo & Prep

Safe demolition & site preparation.

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Waterproofing

Professional waterproofing installation.

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Tile Installation

Expert tile work with attention to every detail.

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Final Walkthrough

We inspect everything together & ensure perfection.

Bathroom remodeling & renovation · New York City & Long Island

Bathroom Remodeling & Renovation Near You

One Sani Building Corp crew in every borough. Pick your area, see our bathroom work there, and get a free estimate.

4.9 · 68 Google reviewsFully insuredFree estimate within 24 hours

Bathroom with a glass shower, brushed-gold fixtures, a round mirror and a dark green vanity - Sani Building Corp

Marble-look tile shower with built-in shelves and gold fixtures behind a glass door - Sani Building Corp

Hexagon mosaic tile being set on a shower floor around the drain - Sani Building Corp

Free estimate within 24 hours

Brooklyn

Brownstones, pre-war apartments and row houses: gut renovations, walk-in showers, tub-to-shower conversions, tile and waterproofing.

Fully insured
Brownstones & pre-war
Walk-in showers

Serving Park Slope, Williamsburg, Brooklyn Heights, DUMBO, Cobble Hill

Get my free estimate (332) 277-0990

Bathroom remodeling & renovation in Brooklyn →

Glass walk-in shower with a floral feature wall, a lit niche and a marble vessel sink - Sani Building Corp

Walk-in shower with a floral tile wall, a glass panel and a wall-hung toilet - Sani Building Corp

Bathroom with a long vanity, lit shelves, a heated towel rail and a wall-hung toilet - Sani Building Corp

Manhattan

Co-ops and condos: we work within your building's rules and provide the certificate of insurance.

Fully insured
Co-ops & condos
Building rules handled

Serving Upper East Side, Upper West Side, Tribeca, SoHo, Chelsea

Get my free estimate (332) 277-0990

Bathroom remodeling & renovation in Manhattan →

Bathroom with green vertical tile, a backlit mirror and a washer under the counter - Sani Building Corp

Patterned gray and white floor tile around a wall-hung toilet - Sani Building Corp

Black-frame glass shower, floral tile wall and navy vanity with a marble sink - Sani Building Corp

Queens

Houses, co-ops and condos: tile showers, tub replacements, walk-in showers, vanities and toilets.

Fully insured
Homes, co-ops & condos
Custom tile

Serving Astoria, Long Island City, Jackson Heights, Forest Hills, Sunnyside

Get my free estimate (332) 277-0990

Bathroom remodeling & renovation in Queens →

Green tile shower with black fixtures, a lit niche and a floral tile wall - Sani Building Corp

Red cement board on the shower walls, with a niche and a bench framed in - Sani Building Corp

New patterned floor tile in a bathroom near completion - Sani Building Corp

The Bronx

Two- and three-family homes and apartments, planned so the household keeps one working bathroom where possible.

Fully insured
Two & three-family homes
Waterproofing

Serving Riverdale, Pelham Bay, Throgs Neck, Morris Park, Parkchester

Get my free estimate (332) 277-0990

Bathroom remodeling & renovation in the Bronx →

Patterned floor tile going down over an orange underlayment membrane - Sani Building Corp

Hexagon mosaic floor tile being set around a shower drain - Sani Building Corp

Heated floors available

Staten Island

Family homes from St. George to Tottenville: full remodels, heated floors, walk-in showers and tile.

Fully insured
Full remodels
Heated floors

Serving St. George to Tottenville

Get my free estimate (332) 277-0990

Bathroom remodeling & renovation on Staten Island →

Large marble-look floor tile being leveled during installation - Sani Building Corp

Long Island

Nassau County homes: family and master bathrooms, walk-in showers, tile and vanities.

Fully insured
Homes & family bathrooms
Walk-in showers

Serving Garden City, Great Neck, Manhasset, Roslyn, Hempstead

Get my free estimate (332) 277-0990

Bathroom remodeling & renovation on Long Island →

What our customers say

★★★★★

“Zura and his team were INCREDIBLE. They did a phenominal job with all of their work: rust removal and painting our gate and fire escape, sanding and…”

Roshni Patel · Google review

★★★★★

“Zura and the Sani Building Corp team were fantastic to work with during our apartment renovation in NYC. They completely redid our kitchen tiles…”

John Greenough · Google review

★★★★★

“Zura and the team are exceptional! They bring a rare combination of skill, dedication, and creativity to every aspect of home building and…”

Maxwell Zetlin · Google review

★★★★★

“Great experience with Sani Building Corp. Very professional team and high-quality interior and exterior renovation work. They also helped us with…”

Екатерине Асанидзе · Google review

Quotes are from our Google reviews.

Tell us about your bathroom

A few details and we’ll get back to you within 24 hours with a free, no-obligation estimate.

Commercial Bathroom & Restroom Renovation in NYC

Beyond homes, Sani Building Corp renovates commercial bathrooms and restrooms across New York City — built for heavy daily use, accessibility and fast turnaround so your business stays open. From a single restroom refresh to a full multi-stall build-out, we deliver durable, code-conscious results with minimal downtime.

Frequently Asked Questions

How long does a bathroom renovation take?+

A typical NYC bathroom renovation takes 2–4 weeks from demo to completion, and a full gut remodel 4–6 weeks. Your timeline depends on the scope, material delivery and building scheduling.

How much does it cost to renovate a bathroom in NYC?+

Bathroom renovation cost in NYC depends on the size of the bathroom, the materials you choose, and how much of the layout changes. We give you a clear, itemized estimate up front so there are no surprises. Call (332) 277-0990 for a free cost estimate.

Do you renovate commercial bathrooms for restaurants, retail & offices?+

Yes. Alongside homeowners, we renovate commercial bathrooms and restrooms for restaurants, retail stores and offices across NYC — with durable finishes and scheduling that keeps your business running.

Do you provide design services?+

Yes — we offer free design consultations. Our team helps you plan layouts, choose materials, fixtures and finishes, and visualize your space before any work begins.

Do you work with co-op and condo buildings?+

Yes — we regularly remodel bathrooms in NYC co-ops and condos. We work within building rules and alteration agreements, coordinate board approvals, and carry the insurance most buildings require.

How much does a bathroom remodel cost in NYC?+

A bathroom remodel in NYC is priced by size, fixtures and tile — from light refreshes to full gut remodels. As upfront bathroom remodel contractors, we give you a free, itemized cost estimate before any work begins.

How much does a small bathroom remodel cost?+

A small bathroom remodel is priced by finishes and whether the layout changes. Small bathrooms are one of our most popular projects — we maximize storage, light and the feel of space.

Do you install walk-in showers and do shower remodels?+

Yes. Walk-in shower installation and shower remodels are a core service — curbless and low-threshold showers, custom tile, glass enclosures, niches and full waterproofing for homes and businesses across NYC.

Are you bathroom remodelers and contractors near me?+

Yes — Sani Building Corp works as bathroom remodelers and contractors across all five NYC boroughs plus Long Island, so there's a crew near you. Call (332) 277-0990 for a free on-site estimate at your home or business.

What areas do you serve?+

We serve all 5 NYC boroughs — Brooklyn, Manhattan, Queens, Bronx and Staten Island — plus Long Island, Nassau County & Suffolk County.

Bathroom Remodel & Renovation Contractors in NYC

Bathroom renovation with Sani Building Corp

Choose your bathroom service

Real Transformations

Complete Bathroom Remodeling, Done Right

A Smooth, Transparent Process

Real Bathrooms. Real Results.