Delaware Hardscape Supply
Verified Pro
15½+ years online5.0
Deck & Patio Building in Wilmington, DE
Compare 33 deck & patio building contractors near you in Wilmington and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
dehardscapesupply.com
Jannuzzio Fences & Gates
Verified Pro
5 years online5.0(199)
PW Construction LLC
Verified Pro
4+ years online5.0
Reliable Maintenance LLC
Verified Pro
~12 years online5.0(111)
F&J Builders, LLC
Verified Pro
7½+ years online4.7(52)
Other Businesses in This Area
Wilmington Deck Builders
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5.011+ years onlineProCut Builders Deck n Fence Builders Since 1997
5.0~16 years onlineRepairTo Roofing, Renovations & Repairs
5.02½+ years onlineCeccola Exteriors
4.91½+ years onlineDeck Masters, LLC
4.98+ years onlineLegion Home Services
4.95+ years onlineScots Pine Construction, LLC
4.95½+ years onlineT.I.A. Contractors & Home Improvement
4.95½+ years onlineTycos Roofing and Siding
4.910½+ years onlineBecker’s Roofing Siding & Chimney Contractors
4.813+ years onlineDiaz Construction
4.85+ years onlineFrank J. Devonshire General Contracting
4.819 years onlineJ.W. Tull Contracting Services
4.8~11 years onlineArchadeck of Delaware
4.730½+ years onlineBromwell Construction Company, LLC
4.710½+ years onlineCoverdeck Systems
4.7~27 years onlineAthenia Mason Supply @ Angerstein's Building Supply, Fireplace and Lighting Center
4.518½+ years onlineDeck & Patio Building in Nearby DE Cities
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About Deck & Patio Building in Wilmington
Deck and patio building includes design, framing, decking surface installation, railings, and stairs. Material choices range from pressure-treated lumber to composite and hardwood. A well-built deck adds usable outdoor living space and increases home value.
Typical costs: Pressure-treated wood decks run $25–$50 per square foot installed. Composite decking (Trex, TimberTech) is $40–$75 per square foot. A standard 300 sq ft deck costs $7,500–$22,000 depending on material and complexity.
Common projects include:
- New deck construction
- Deck replacement or resurfacing
- Patio and pergola building
- Railing and stair installation
- Deck repair and structural reinforcement
Deck construction almost always requires a building permit. The permit process includes structural plans, footing specifications, and a final inspection.
Frequently Asked Questions
- How much does deck & patio building cost in Wilmington?
- Budget $25–$50/sq ft for pressure-treated wood and $40–$75/sq ft for composite decking, installed. A 12×16 ft (192 sq ft) deck runs $5,000–$14,000 depending on material. Railings, stairs, and built-in features like benches add to the total.
- How do I find a reliable deck & patio building contractor in Wilmington?
- Ask about footing and framing methods — a deck that wobbles or sags wasn't built properly. Check that the contractor pulls permits and gets the required inspections. Ask for photos of recent projects, especially the underside framing.
- Do I need a permit for deck & patio building in Wilmington?
- Deck construction requires a building permit in virtually all areas. You'll need plans showing footing depth, joist spacing, ledger board attachment, and railing height. Your contractor should handle this.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Wilmington and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.