Deck Construction & Repair Westchester County
Custom Wood Decks • Composite Decking • Railings • Pergolas • Outdoor Living Spaces
Licensed & Insured • Expert Craftsmanship • Quality Materials • On-Time Completion
Your Premier Deck Construction Partner in Westchester County
GCMM Home Improvement specializes in designing and building exceptional outdoor living spaces throughout Westchester County. From intimate backyard retreats to expansive multi-level entertainment decks, we deliver custom solutions that enhance your home’s value and your quality of life.
Whether you’re envisioning a beautiful new deck, need repairs on an existing structure, or want to upgrade to low-maintenance composite materials, our experienced team handles every aspect of your project—from design consultation and material selection to permits, construction, and final inspection.
Complete Deck Construction & Repair Services
Design • Build • Repair • Restore
Custom Deck Design & Construction
Ground-level, raised, and multi-level decks tailored to your property. Complete structural planning, material selection, and professional installation. We create functional outdoor spaces that complement your home’s architecture and maximize your yard’s potential.
Composite & PVC Decking
Low-maintenance, durable decking from industry-leading brands like Trex, TimberTech, and Azek. Fade-resistant colors, splinter-free surfaces, and minimal upkeep. Perfect for busy homeowners who want lasting beauty without yearly staining.
Natural Wood Decks
Pressure-treated pine, cedar, redwood, and exotic hardwoods like Ipe and Cumaru. Traditional wood decking offers natural beauty, strength, and value. We provide proper sealing and finishing recommendations for long-term durability.
Deck Repair & Restoration
Structural repairs, board replacement, railing upgrades, and refinishing. We fix loose connections, rotted lumber, damaged railings, and failing fasteners. Includes power washing, sanding, staining, and sealing to restore weathered decks.
Railings & Balusters
Code-compliant railings in wood, composite, aluminum, glass, and cable systems. Custom designs for safety without sacrificing views. We match existing aesthetics or create dramatic upgrades with modern materials.
Pergolas & Shade Structures
Attached and freestanding pergolas, covered decks, and custom shade solutions. Western red cedar and composite options with integrated lighting and fan support. Transform your deck into a year-round outdoor living space.
Deck Stairs & Pathways
Safe, code-compliant deck stairs with proper rise and tread dimensions. Matching or contrasting materials, integrated lighting, and seamless connections to patios, walkways, and landscaping.
Built-In Features
Custom benches, planters, storage boxes, and drink rails built directly into your deck structure. Maximizes space and functionality while maintaining clean, integrated aesthetics.
Deck Lighting & Electrical
Low-voltage LED deck lighting for posts, stairs, and railings. Coordinated electrical for outlets, ceiling fans, and entertainment systems. Licensed electrician partnerships for code-compliant installations.
Our Deck Construction Process
Transparent steps from concept to completion
Site Consultation
We visit your property to assess site conditions, discuss your vision, take measurements, and review budget. We’ll identify any grading, access, or structural considerations.
Design & Material Selection
Custom deck design with layout options, material recommendations, and color samples. We present realistic project scope and discuss features like built-ins, lighting, and railings.
Detailed Proposal
Line-item estimate covering materials, labor, permits, and any site prep. Clear pricing with no hidden fees. We answer all questions before you commit.
Permits & Scheduling
We handle permit applications, engineering (if required), and approval process. Once approved, we schedule your project with a firm start date and timeline.
Professional Construction
Site protection, precise framing, proper flashing and drainage, quality decking installation, and code-compliant railings. Daily updates and progress photos throughout construction.
Inspection & Final Walkthrough
Municipal inspection coordination, detailed final walkthrough, punch-list completion, and site cleanup. We provide maintenance guidance and warranty information.
Recent Deck Projects
Custom outdoor living spaces across Westchester County
Serving All of Westchester County
Professional deck construction and repair services throughout Westchester County including Scarsdale, White Plains, Rye, Yonkers, New Rochelle, Larchmont, Mamaroneck, and all surrounding communities
What Homeowners Say
Decks built with craftsmanship and care
“GCMM built us a beautiful composite deck that replaced our old rotting wood structure. The crew was professional, clean, and the quality is outstanding. Our new deck has become our favorite space in the home.”
“From design to final inspection, the whole process was smooth and transparent. They handled all the permits and kept us informed every step of the way. The deck is perfect for entertaining and looks incredible.”
“We needed deck repairs before selling our home. GCMM assessed the issues, replaced damaged boards, rebuilt the stairs, and refinished everything. It looked brand new and helped us close the sale.”
Deck Construction FAQs
Common questions about building and maintaining decks