Decks and Porches Cost in Firth, ID in 2026
Most Decks and Porches projects in Firth, ID cost between $7,000 and $24,000. The typical price is $13,000.
Labour and materials in Firth run about 8% below 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 Firth, ID
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $24 |
| Mid-range | $43 |
| High-end | $81 |
Deck builders in Firth, ID
Businesses listed on Google near Firth, ID. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Elevated Deck and Fence
4.9(57 reviews)
2145 Grizzly Wy, Idaho Falls, ID 83402
DeckPro LLC
5.0(47 reviews)
4704 Lake Lorene Dr, Rexburg, ID 83440
Goldn Rule Construction
4.7(25 reviews)
2222 N Bramble Ln, Idaho Falls, ID 83402
NP Builders, LLC
5.0(5 reviews)
691 E 600 N, Firth, ID 83236
Sharp Exteriors, LLC
5.0(5 reviews)
582 Bradford Ln, Idaho Falls, ID 83404
UnCommon Builders, LLC
5.0(1 reviews)
1054 N 575 E, Firth, ID 83236