Services

From additions to rooflines, the scope stays connected.

David & Goliath handles residential and commercial construction, remodeling, exterior protection, and finish work across Westbury, Long Island, New York City, and nearby counties.

Build & alter

For clients who have outgrown a home, need a commercial alteration, or want an existing structure reorganized without losing one clear project lead.

  • Residential construction
  • Commercial construction
  • Home additions
  • Decks and patios
  • Doors and windows
  • Fences

Remodel interiors

For homeowners who want rooms that work better, look cleaner, and are built with the moisture, traffic, storage, and maintenance realities of the space in mind.

  • Kitchen remodeling
  • Bathroom remodeling
  • Basement remodeling
  • Flooring
  • Painting
  • Finish work

Protect exteriors

For buildings that need exterior systems repaired, replaced, or upgraded before water, weather, and deferred maintenance create larger problems.

  • Roof repair
  • New roof construction
  • Siding
  • Gutters
  • Weatherizing
  • Insulation

Detailed capabilities.

The company works across the practical pieces of a property: moisture, weather, structure, storage, surface, lighting, access, and daily use.

Residential and commercial construction

Renovations, additions, office improvements, and building alterations from planning through completion. One project manager keeps permits, purchases, trades, and punch-list work moving in the same direction.

  • Home additions
  • Office improvements
  • Permit coordination
  • New construction
  • Residential buildings

Kitchen remodeling

Kitchen renovations built around the way the room is used: layout, cabinets, tile, lighting, fixtures, flooring, counters, and finish details.

  • Cabinet and surface updates
  • Lighting and fixtures
  • Tile and backsplash
  • Flooring
  • Budget-aware planning

Bathroom remodeling

Bathroom renovations that balance appearance with moisture resistance, ventilation, tile work, fixture selection, and durable material choices.

  • Tile and fixtures
  • Moisture-resistant materials
  • Ventilation details
  • Personalized design
  • One project manager

Basement remodeling

Basements can become offices, recreation rooms, lounges, gyms, wine cellars, home theaters, second kitchens, or organized storage zones.

  • Recreation areas
  • Home offices
  • Wet bars and lounges
  • Home theaters
  • Storage partitions

Roofing and siding

Roof repair, maintenance, replacement, siding restoration, and exterior protection using proven products and practical guidance on materials.

  • Re-roofing
  • Roof repair
  • Slate and tile
  • Cedar shakes
  • Vinyl, wood, metal, masonry, and composite siding

Gutters and drainage

Gutter installation, maintenance, inspection, and repair to move water away from foundations, seams, roof edges, and vulnerable exterior details.

  • Gutter repair
  • Gutter installation
  • Seam and corner checks
  • Gutter protectors
  • Foundation protection

Decks, patios, and outdoor living

Custom deck and patio work with options for preserved wood, cedar, PVC, composite materials, gates, bench seating, flower boxes, gazebos, and outdoor lighting.

  • Decks
  • Patios
  • Gates
  • Bench seating
  • Outdoor lighting

Flooring and painting

New surfaces in wood, tile, stone, and concrete, plus refinishing, sanding, staining, polishing, staircases, and interior or exterior painting with clean job closeout.

  • Wood, tile, stone, and concrete
  • Refinishing
  • Staircases
  • Interior painting
  • Exterior painting