Deck & patio builders in Smithtown
Long Island Deck Co. serves Smithtown — a central Suffolk town with suburban homes, large backyards, and active permit culture. Smithtown's 1960s-1980s ranches and colonials — particularly along Route 25, Landing Avenue, and the Nesconset Highway corridor — are ideal candidates for 12×16 to 16×20 pressure-treated or composite decks. Town of Smithtown Building Department at 99 West Main Street handles all deck permits; most applications are approved within 4-6 weeks. Composite decking (Trex, TimberTech, Azek) is the most popular choice here for its low maintenance profile — Smithtown homeowners tend to have large lots with established tree cover and want decks that hold up to leaf debris and moisture without annual staining. Price anchors: 400 sq ft pressure-treated deck $8,000-$13,000 installed; 400 sq ft composite deck $14,000-$22,000 installed. Pool decks with travertine or concrete pavers are common in the Nesconset and Kings Park sections where in-ground pools are prevalent.. Custom decks, patios, pool decks, and outdoor kitchens. Permits handled.
Free estimate in Smithtown
We visit your property — no travel fee in Suffolk County.
Why Smithtown homeowners choose Long Island Deck Co.
Smithtown is one of the most active communities for outdoor living projects in Suffolk County.A central Suffolk town with suburban homes, large backyards, and active permit culture. Smithtown's 1960s-1980s ranches and colonials — particularly along Route 25, Landing Avenue, and the Nesconset Highway corridor — are ideal candidates for 12×16 to 16×20 pressure-treated or composite decks. Town of Smithtown Building Department at 99 West Main Street handles all deck permits; most applications are approved within 4-6 weeks. Composite decking (Trex, TimberTech, Azek) is the most popular choice here for its low maintenance profile — Smithtown homeowners tend to have large lots with established tree cover and want decks that hold up to leaf debris and moisture without annual staining. Price anchors: 400 sq ft pressure-treated deck $8,000-$13,000 installed; 400 sq ft composite deck $14,000-$22,000 installed. Pool decks with travertine or concrete pavers are common in the Nesconset and Kings Park sections where in-ground pools are prevalent. — making it an ideal location for composite decks, paver patios, and pool decks that extend your living space into the backyard. We have completed dozens of projects in Smithtown and the surrounding Suffolk County communities, and we handle all local permit requirements and inspection processes.
Our most popular services in Smithtown include Trex Transcend and TimberTech composite decks (25-year fade and stain warranty, zero annual maintenance), EP Henry and Cambridge paver patios, travertine and composite pool decks, and full deck-plus-patio combination projects. Every project includes permit handling — we file with the applicable Suffolk County municipality, attend all inspections, and hand you the signed close-out.
Deck & Patio Cost in Smithtown
A 300-400 sq ft composite deck in Smithtown typically runs $14,000-$22,000 installed, including footings, framing, decking, railings, and permits. Pressure-treated decks start around $8,000-$13,000 at the same size. Paver patios run $8,500-$13,000 for a 12x16 installation. Pool decks in travertine or concrete pavers run $18-$28/sqft. We provide free on-site estimates with a fixed written quote.
Quick Facts
- Suffolk County licensed & insured
- Trex Pro Platinum certified
- 1650+ projects completed
- 4.9-star Google rating
- 5-year workmanship warranty
Decks, patios, pool decks & outdoor kitchens
Composite Decks
Trex Pro Platinum, TimberTech, and Azek composite decks in Smithtown. Suffolk permits handled.
Learn moreDeck Repair
Board replacement, resurfacing, railing repair, and rot repair in Smithtown. Free inspection.
Learn moreDeck & patio FAQs for Smithtown
Yes — Long Island Deck Co. is a licensed deck builder serving all of Smithtown including Kings Park, Nesconset, Hauppauge, and St. James. We build composite decks (Trex, TimberTech, Azek), pressure-treated decks, and paver patios throughout Town of Smithtown. Every job includes permit filing with the Town of Smithtown Building Department at 99 West Main Street.
A 400 sq ft pressure-treated deck in Smithtown runs $8,000-$13,000 installed with permit. A composite deck at the same size runs $14,000-$22,000. TimberTech and Trex Transcend are our most-installed composite lines in Smithtown. We provide a fixed written quote after a free on-site visit — no travel fee anywhere in Smithtown Town.
Yes — all permanent decks in Smithtown require a building permit from the Town of Smithtown Building Department at 99 West Main Street. We file the full permit application, handle inspection scheduling, and deliver the certificate of occupancy. Typical turnaround is 4-6 weeks. We track status and update you weekly.
Smithtown's 1960s-80s ranches and colonials with established backyard tree cover tend to do well with composite decking — it resists moisture and leaf debris without annual maintenance. TimberTech Landmark and Trex Transcend are our top picks for Smithtown installs. Pressure-treated is the budget choice and still a solid option for homeowners prioritizing upfront cost.
Yes — pool decks are common in the Nesconset and Kings Park sections of Smithtown. We build travertine, concrete paver, and composite pool decks. All pool deck work includes a separate Town of Smithtown Building Department review for the pool enclosure. We handle the full permit cycle from application to certificate of occupancy.
Ready to build in Smithtown?
Free on-site estimate. Permits handled. No travel fee in Suffolk County.
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