Nassau County · Long Island · NY

Renovation Contractor
in Nassau County

Luxury Renovations for Nassau County Homes

From Garden City to Great Neck, Sani Building Corp delivers full-scale bathroom and home renovations and kitchen cabinet installation across Nassau County. Built around your home.

10+
Years Serving Nassau County
★ 4.9
Google Rated
100%
Fully Insured
24h
Response Time
5 ★
Star Service
Nassau County Towns We Serve
Garden City Great Neck Manhasset Roslyn Hempstead Long Beach
✓Estimate within 24 hoursPROHome Depot Pro
How it worksThree steps to your new space
  1. 1
    Tell us or send photosTwo minutes, from your phone
  2. 2
    Get a clear written estimateScope, timeline and price, itemized
  3. 3
    Our own team, start to finishOn schedule, clean every day
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Dark stone bathroom with an oval lit mirror, floating vanity and built-in tub - Sani Building Corp, renovation contractor serving Nassau County
Recent Nassau County Project
Your Nassau County Contractor

Trusted by Nassau County Homeowners Since 2015

Nassau County homes are different — Tudor estates in Garden City, mid-century moderns in Great Neck, waterfront properties on the North Shore, and beach houses in Long Beach. Nassau homeowners expect a higher standard of craftsmanship and a contractor who treats their home like their own.

Sani Building Corp brings 10+ years of NYC and Long Island renovation experience to Nassau County. We handle town permits, navigate village-specific code requirements, work with luxury finishes, and respect the architectural heritage that makes communities like Garden City, Manhasset, and Roslyn special. From a kitchen cabinet installation in Mineola to a full home transformation in Great Neck, we deliver the craftsmanship Nassau families expect.

01Town Permit Specialists
02Luxury Finish Experience
03Additions & Second Stories
04Estimates Within 24 Hours Across Nassau
Nassau County · Built with Pride• Garden City · Great Neck · Manhasset• Luxury Craftsmanship. Long Island Roots.• Sani Building Corp · NYC & Long Island• Nassau County · Built with Pride• Garden City · Great Neck · Manhasset• Luxury Craftsmanship. Long Island Roots.• Sani Building Corp · NYC & Long Island•
Services in Nassau County

Renovation Services for Nassau County Homes

Full-service renovation across Nassau County — from quick bathroom refreshes to full home remodels.

Bathroom with an octagon lit mirror, stacked washer and dryer and patterned floor - Sani Building Corp, renovation contractor serving Nassau County
Why Nassau County Homeowners Choose Us

Local Expertise. County-Wide Reach.

We treat every Nassau County home like our own — from quick refreshes to full luxury renovations.

Reply Within 24 Hours
Free estimates across Nassau County within 24 hours.
4.9★ Google Rated
68 Google reviews from satisfied NYC & Long Island homeowners.
Transparent Pricing
Detailed written estimates. No surprise fees. No upcharges.
Fully Insured
Full liability insurance & workers' comp for every Nassau County project.
Common Nassau County Questions

Renovation Questions from Nassau County Homeowners

Do you handle town permits for Nassau County renovations?
Yes. We manage all required town and village permits across Nassau County — plumbing, electrical, structural, and building permits — for renovations throughout the county. All work meets local code.
Do you work on luxury homes in Garden City, Manhasset, and Great Neck?
Absolutely. These are some of our primary Long Island markets. We specialize in high-end renovations, kitchen and bathroom remodels with luxury finishes, and full-home transformations that match the neighborhood standard.
How long does a typical Nassau County renovation take?
Full bathroom renovations take 3–5 weeks; kitchens 5–8 weeks. Full-home remodels and major additions vary based on scope — typically 3–6 months. We provide a detailed timeline at quote.
Do you do additions and second-story builds?
Yes — we handle additions, dormers, second-story builds, and full home expansions throughout Nassau County, including all required engineering, permits, and inspections.
What Nassau County towns do you serve?
All of Nassau County — Garden City, Great Neck, Manhasset, Roslyn, Hempstead, Long Beach, Mineola, Port Washington, Hewlett, Lawrence, Plainview, Syosset, and surrounding communities.
Can I see real Nassau County renovation projects?
Yes — view our portfolio of completed bathroom renovations and kitchen cabinet installations across NYC and Long Island. We can also arrange in-person walkthroughs of completed Nassau projects with permission from past clients.
Get Started Today

Ready to Transform
Your Nassau County Home?

Get a free estimate from Long Island's most trusted renovation contractor. We serve all of Nassau County plus all 5 NYC boroughs with transparent pricing and a reply within 24 hours.

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Reply within 24 hours
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Contact Us 332-277-0990Call us now Free EstimateReply within 24 hours
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