How much does a deck cost in Madison, WI?
Wood or composite deck with railings and stairs. Priced against Wisconsin material costs, a typical DIY deck in Madison runs about $3,208 in materials, right at the national average. These are estimates only, not a quote — enter your real dimensions in the free calculator for a shopping list matched to your build.
Estimates only — not a quote.
Madison cost breakdown
| Estimate | Low | Typical | High |
|---|---|---|---|
| Madison (DIY materials) | $2,727 | $3,208 | $4,331 |
| National average | $2,727 | $3,208 | $4,331 |
Priced from the Wisconsin material index — currently even with the national average. Based on a common-size deck; enter your own dimensions for an exact number.
DIY materials estimate: $3,208. A contractor in the Madison market (materials plus about 82 labor hours at ~$57/hr) estimates to $7,622–$10,221. Estimated DIY savings: $5,454 (63%).
A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 48 in frost depth.
Outside city limits, Dane County is typically the permitting authority.
Get your exact Madison price
Enter your dimensions for a materials list and cost estimate matched to your build.
Frequently asked questions
How much does a deck cost in Madison, WI?
Materials typically run $2,727–$4,331 for a common-size project using Madison-area pricing. That is an estimate, not a quote — our free calculator prices your exact dimensions.
Is it cheaper to DIY or hire a contractor in Madison?
DIY materials estimate to about $3,208. A local contractor estimates to $7,622–$10,221 at the Madison-area labor rate of roughly $57/hr, so DIY could save an estimated $5,454 (63%).
Do I need a permit for a deck in Madison?
A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 48 in frost depth. Dane County and the City of Madison rules can be stricter than the state baseline — run the free permit lookup for your ZIP before buying materials.
Why is Madison deck pricing different from the national average?
We apply a regional material cost index for the Madison market, which currently sits at the national average. Labor is indexed separately at about $57/hr for the contractor comparison.
Other projects in Madison
Deck cost in nearby cities
Looking at the whole state? Deck cost in Wisconsin.