Decks and Porches Cost in Great Falls, MT in 2026
Most Decks and Porches projects in Great Falls, MT cost between $7,500 and $25,000. The typical price is $13,000.
Labour and materials in Great Falls run about 3% 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 Great Falls, MT
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $24 |
| Mid-range | $44 |
| High-end | $83 |
Deck builders in Great Falls, MT
Businesses listed on Google near Great Falls, MT. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
SAGE Decks
4.9(78 reviews)
996 US-93, Victor, MT 59875
Paradise Fencing and Construction, Inc
4.3(31 reviews)
6121 2nd Ave N, Great Falls, MT 59405
VanSetten-Walker Construction Company
5.0(1 reviews)
821 1st Ave NW, Great Falls, MT 59404
Better Fence & Deck
No rating yet
1625 18th Ave SW, Great Falls, MT 59404
Total Construction LLC
3.8(4 reviews)
1304 13th Ave S, Great Falls, MT 59405