Business Details
Your Trusted Partner for Construction Solutions
Cornerstone New York has been a trusted name in home improvement and construction for over 25 years. As a family-owned and operated business, we prioritize quality, luxury, and client satisfaction in every project. Our team, led by CEO Michael Ott, brings decades of hands-on experience in residential and commercial construction. We specialize in kitchens, bathrooms, basements, roofing, and full-scale renovations, serving Nassau, Suffolk, New York City, and surrounding areas. Our commitment to excellence is reflected in our licensed and insured operations across all five boroughs.We offer complimentary estimates and personalized service, ensuring every client feels valued. Our satisfaction guarantee underscores our dedication to delivering results that exceed expectations. With deep roots in New York, we build not just structures but lasting relationships within the community. Transparency, expertise, and attention to detail define our approach to every project. Whether it's a small repair or a major renovation, we treat every job as an opportunity to strengthen our reputation for integrity and craftsmanship.
Services
Kitchens
Bathrooms
Basements
Doors & Windows
Decking
Roofing & Siding
Sheetrock/Compound
Extensions
Dormers
Commercial Renovations
Highlights and features
- 25+ years of hands-on experience in New York construction
- Family-owned business with personalized client service
- Satisfaction guarantee on all home improvement projects
- Licensed and insured across Nassau, Suffolk, and NYC
- Complimentary estimates with on-site consultations
Services
Kitchens
We specialize in complete kitchen renovations, from layout redesigns to cabinet installations and countertop upgrades. Our team ensures functional, aesthetically pleasing spaces tailored to modern living needs. Clients benefit from our 25+ years of experience in creating durable, high-end kitchen environments.
Bathrooms
Our bathroom remodeling services include fixture upgrades, tiling, and full-space transformations. We focus on maximizing space efficiency while incorporating luxury elements. With expertise in waterproofing and code compliance, we deliver safe, stylish bathrooms that enhance home value.
Basements
We transform basements into functional living spaces, including waterproofing, framing, and finishing. Our solutions address moisture control and structural integrity while creating versatile areas for recreation, storage, or additional living quarters.
Roofing & Siding
Our roofing and siding services protect homes against New York weather. We install, repair, and replace materials with durable, energy-efficient options. Clients receive comprehensive inspections and solutions that improve curb appeal and structural longevity.
Decking
We design and build custom decks, patios, and outdoor living spaces. Using weather-resistant materials, we create extensions of indoor comfort that withstand seasonal changes. Our work emphasizes safety, aesthetics, and seamless integration with existing architecture.
People
Michael Ott
CEO & Founder
Michael Ott, a New York native with 25+ years in construction, leads Cornerstone New York's team. His hands-on approach ensures every project meets rigorous quality standards while maintaining client-focused service throughout the remodeling process.
Questions
What home improvement services do you offer?
We provide comprehensive services including kitchens, bathrooms, basements, roofing, siding, decks, and commercial renovations across Nassau, Suffolk, and NYC.
How long has your company been in business?
Cornerstone New York has served the community for over 25 years, specializing in residential and commercial construction projects.
Are you licensed and insured?
Yes, we hold active licenses in Nassau (H0455460000), Suffolk (56570-H), and New York City (2035970-DCA) with full insurance coverage.
Do you work outside New York City?
We serve Nassau, Suffolk, all five NYC boroughs, Long Beach, Island Park, and surrounding areas with on-site consultations available.
Can I get a free estimate?
Yes, we offer complimentary estimates with no-obligation consultations where our team visits your property to assess project requirements.
