Decks and Porches Cost in Portsmouth, RI in 2026
Most Decks and Porches projects in Portsmouth, RI cost between $8,000 and $27,000. The typical price is $14,500.
Labour and materials in Portsmouth run about 9% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Pressure-treated pine versus composite versus hardwood
- Height off the ground and stair count
- Railing material
- Footing depth required by frost line
Usually included
- Footings, framing and decking
- Railings and stairs
- Fasteners and flashing at the ledger
Usually extra
- Permits
- Under-deck drainage
- Built-in seating or pergola
Unit prices in Portsmouth, RI
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $26 |
| Mid-range | $48 |
| High-end | $90 |
Deck builders in Portsmouth, RI
Businesses listed on Google near Portsmouth, RI. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Hart's Roofing & Construction LLC
4.9(181 reviews)
1698 E Main Rd, Portsmouth, RI 02871
Remodeling Right
5.0(45 reviews)
1650 W Main Rd, Portsmouth, RI 02871
JPS Construction & Design Inc
4.6(51 reviews)
499 E Main Rd, Middletown, RI 02842
Vanelando Construction Inc
5.0(32 reviews)
350 Brayton Rd, Tiverton, RI 02878
Coastal Construction Management
4.8(36 reviews)
2949 E Main Rd, Portsmouth, RI 02871
Cornerstone Decks & Siding
5.0(16 reviews)
5627 Post Rd Suite B, East Greenwich, RI 02818