Boston Irish Construction LLC
Verified Pro
2+ years online5.0(10)
Deck & Patio Building in Cambridge, MA
Compare 41 deck & patio building contractors near you in Cambridge and surrounding area with an average rating of 4.9/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 22, 2026
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About Deck & Patio Building in Cambridge
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 Cambridge?
- 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 Cambridge?
- 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 Cambridge?
- 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.
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