Nassau County Home Improvement
Home Improvement & Remodeling Services in Nassau County
Whether you are looking to boost your home’s curb appeal with a new roof or expand your living space with a custom home extension, Daniel R O’Brien Contracting LLC is Nassau County’s trusted partner for high-quality craftsmanship. Since 1986, we have served the Long Island community with a commitment to integrity, evidenced by our perfect A+ rating and zero-complaint record with the Better Business Bureau (BBB) throughout our 40-year history.
Exterior Home Improvements in Nassau County
Your home’s exterior is its first line of defense and its primary source of curb appeal. We provide expert installation and repair services using premium materials.
From emergency leak repairs to full architectural shingle installations, we are premier roofing contractors in Nassau County.
Special Offer: Take $500 off any new roof installation.
Industry-Leading Protection: We provide a 50-year limited warranty and a 10-year workmanship guarantee on every new roof.
Update your home’s look and energy efficiency with our professional siding services.
We specialize in durable vinyl, classic cedar shake, and premium fiber cement siding to suit any Nassau County neighborhood’s aesthetic.
Reduce your utility bills with high-performance window replacements.
We install industry-leading brands like Andersen and Pella, ensuring a perfect seal and beautiful finish for every room.
Transform your backyard into an oasis.
We design and build custom decks using traditional wood or low-maintenance composite materials, complete with secure, stylish railing systems.
Interior Remodeling & Structural Additions
Looking to modernize your interior or add more square footage? Our team handles everything from design to final trim.
The kitchen is the heart of your home. We offer fully custom kitchen renovations, including layout redesigns, custom cabinetry, and high-end finishes tailored to your lifestyle.
Upgrade your daily routine with a custom bathroom remodel. From walk-in showers to spa-like master baths, we focus on both functionality and elegance.
Need more room? We specialize in shell dormers and full home extensions. Whether you have your own architectural drawings or need us to obtain them, we manage the process from the ground up.
Unlock the potential of your lower level. We create functional basement spaces, including home theaters, extra bedrooms with proper egress, and stylish family dens.
Why Choose Daniel R O’Brien Contracting?
For four decades, we have operated under the same license, the same phone number, and the same unwavering standards of quality. When you hire us for your Nassau County home improvement project, you benefit from:
- Decades of Local Expertise: Serving Long Island since 1986.
- Fully Licensed & Insured: Comprehensive coverage in both Nassau and Suffolk Counties.
- Exclusive Discounts: 5% discount is available for Seniors, Veterans, and New Customers.
- Proven Reliability: A “One Call Does It All” approach with a history of zero complaints.
Service Areas in Nassau County
We proudly serve homeowners throughout Nassau County, including:
- Hempstead & Garden City
- Oyster Bay & Syosset
- North Hempstead & Manhasset
- Massapequa, Rockville Centre, and Great Neck
- Mineola, Levittown, and beyond.
Ready to start your project?
Call us today at 631-981-2587 or fill out our online form to schedule your free, no-obligation consultation.