Build & alter
Residential and commercial construction, additions, doors, windows, decks, patios, fences, and building alterations.
- Residential construction
- Commercial construction
- Home additions
- Decks and patios
- Doors and windows
Westbury, Long Island, New York City, and the Hudson Valley
Rooms, roofs, and repairs done right.
Westbury general contractor for remodeling, construction, roofing, siding, gutters, and exterior work.
Westbury, NYResidential and commercial work with one accountable project lead.
One contractor for the parts that touch.
Additions, roofs, kitchens, bathrooms, siding, gutters, and basements all affect surrounding work. The service structure keeps the first conversation simple.
Remodel interiors
Kitchen, bathroom, basement, flooring, painting, and finish work planned around daily use and long-term durability.
- Kitchen remodeling
- Bathroom remodeling
- Basement remodeling
- Flooring
- Painting
Protect exteriors
Roofing, siding, gutters, insulation, weatherizing, soffit, fascia, and exterior repairs that protect the building envelope.
- Roof repair
- New roof construction
- Siding
- Gutters
- Weatherizing
Real job photos, sorted by the work.
Bathroom, construction, kitchen, lighting, living room, paver, and plumbing photos from the company's public project gallery.
Bathroom
Bathroom finish work
Kitchen
Interior renovation sequence
Construction
Construction and exterior work
"David and Goliath Corp is the most reliable contractor I have ever worked with. Fritz and the crew take time to listen, explain the process, provide accurate billing breakdowns, and do excellent work at fair prices."
Vel P.
Built around a clear contract.
Scope, payment schedule, timing, materials, permits, and responsibilities should be clear before the first delivery or demolition.
- Walk the site and define the scope
- Price the work with clear milestones
- Coordinate trades, permits, and materials
- Finish cleanly and review the punch list
Local enough to be reachable.
Public profiles list work across Westbury, Long Island, New York City, the Hudson Valley, and the core downstate counties.
Helpful reads before you hire.
Contract basics, renovation planning, water heaters, and general contractor guidance from the news archive.
Ready to price the work?
Start with the address, project type, timing, and a few photos if you have them.