Decks and Porches Cost in Algonquin, IL in 2026
Most Decks and Porches projects in Algonquin, IL cost between $8,000 and $28,000. The typical price is $14,500.
Labour and materials in Algonquin run about 12% 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 Algonquin, IL
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $27 |
| Mid-range | $49 |
| High-end | $92 |
Deck builders in Algonquin, IL
Businesses listed on Google near Algonquin, IL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Platinum Decking
4.9(141 reviews)
26090 Twin Pond Rd, Lake Barrington, IL 60010
Royal Deck
5.0(115 reviews)
1204 E Central Rd Unit 4, Arlington Heights, IL 60005
Decked Out Builders LLC
4.8(72 reviews)
118 Barrington Commons Ct Ste 207, Barrington, IL 60010
TL Decks
4.9(55 reviews)
135 Erick St Unit P, Crystal Lake, IL 60014
Deck Masters by INFINITY PRO
5.0(19 reviews)
348 Bayberry Dr, Algonquin, IL 60102
Sierra Porch & Deck Builders
5.0(19 reviews)
430 W Northwest Hwy, Barrington, IL 60010