In Illinois, most deck build projects cost between $3,000 and $15,000 per job, with a typical price near $8,000. Local labour, permits and materials move the final price, so treat the range below as a planning guide.
Typical deck build cost
$3,000 – $15,000
per job · typical $8,000
A general planning range, not a quotation.
Deck build cost breakdown
- Pressure-treated wood$2,500 – $7,000typical $5,000
- Composite decking$6,000 – $15,000typical $10,000
- PVC decking$8,000 – $20,000typical $14,000
At a glance
- Typical range$3,000 – $15,000
- Unitper job
- Cities covered50
What Decks and Patios costs
Cost includes materials (pressure-treated wood, composite, or PVC) and labor for a 12x16 deck. Composite costs more but requires less maintenance. Includes footings and railing.
By city in Illinois
- Addison
- Alton
- Arlington Heights
- Belleville
- Berwyn
- Bolingbrook
- Buffalo Grove
- Calumet City
- Carbondale
- Carol Stream
- Carpentersville
- Champaign
- Chicago
- Cicero
- Crystal Lake
- DeKalb
- Decatur
- Des Plaines
- Downers Grove
- Elgin
- Elmhurst
- Evanston
- Glenview
- Hanover Park
- Hoffman Estates
- Joliet
- Kankakee
- Lombard
- Moline
- Mount Prospect
- Naperville
- Normal
- Oak Lawn
- Oak Park
- Orland Park
- Palatine
- Park Ridge
- Peoria
- Rock Island
- Rockford
- Romeoville
- Round Lake Beach
- Schaumburg
- Skokie
- Springfield
- Streamwood
- Tinley Park
- Urbana
- Waukegan
- Wheaton
Frequently asked questions
How much per square foot?
Wood: $15–$30. Composite: $30–$50. PVC: $40–$60. Includes labor.
What adds to the cost?
Multiple levels, built-in seating, stairs, and lighting. Permits and foundation work also add.
Can I build a deck myself?
Yes, if you have carpentry skills. A DIY wood deck can cost half of a pro build.