Cost to Build a Deck in Michigan (2026)
A 12×16 ft deck in Michigan runs about $4,443 in pressure-treated pine and $9,459 in composite, installed — right in line with the US average. Here is what moves that number in Michigan, with a calculator priced for the state.
Pressure-treated pine
$20–$26 /sq ft
Cedar
$28–$37 /sq ft
Composite
$43–$56 /sq ft
Deck cost calculator for Michigan
Priced with Michigan labour, material and footing-depth factors. Change any input and the estimate updates.
Estimated installed cost
$8,324 – $10,878
192 sq ft · about $49.26/sq ft
- Materials
- $5,757
- Labour
- $3,701
- Footings (42 in deep)
- 3 × about $224
- Frost-depth adjustment
- +$173
Mid-range estimate for a rectangular deck attached to the house, with one beam line per 12 ft of depth and footings every 8 ft. Excludes demolition, permits and site work. For railing, stairs and a full line-item breakdown use the main deck cost calculator.
Michigan deck cost by size and material
Mid-range installed prices for a standard-height deck attached to the house, including framing, footings at the local depth and hardware. Railing and stairs are priced separately in the main deck cost calculator.
| Deck size | Pressure-treated pine | Cedar | Composite |
|---|---|---|---|
| 10 × 10 ft (100 sq ft) | $2,397 | $3,402 | $5,009 |
| 12 × 12 ft (144 sq ft) | $3,376 | $4,822 | $7,137 |
| 12 × 16 ft (192 sq ft) | $4,443 | $6,372 | $9,459 |
| 16 × 20 ft (320 sq ft) | $7,578 | $10,793 | $15,938 |
| 20 × 20 ft (400 sq ft) | $9,358 | $13,376 | $19,807 |
What drives deck prices in Michigan
Labour
Labour is the biggest regional variable. Carpentry labour in Michigan runs 2% above the national level, so a composite 12×16 that averages $9,216 nationally comes to about $9,459 here. On pressure-treated decks labour is more than half the bill, so the regional gap is widest on the cheapest material.
Climate
Cold winters with lake-effect snow and deep freeze-thaw, humid summers.
Footings and frost depth
Footings in Michigan typically go 42 inches deep. At 42 inches each 12 inch footing costs roughly $224 installed, and a 12×16 deck needs about 3 of them — a premium of $173 against the 24 inch depth national prices assume.
Which decking makes sense here
Our pick for most Michigan homes: pressure-treated pine. Pressure-treated is the value option; composite pays back sooner along the snowbelt where boards stay wet. Composite adds about $5,016 to a 12×16 deck over pressure-treated — see the full 20-year comparison in the composite vs wood calculator.
Permits and code in Michigan
The Michigan Residential Code (IRC-based) is statewide, with a 42 inch footing depth. Snow loads in the Upper Peninsula exceed the standard deck design load.
Typical deck permit fees: $100–$450. Expect a footing inspection before concrete, a framing inspection before the decking goes down and a final. Estimate your fee with the deck permit cost calculator, and read our deck permit guide for what the drawings need to show.
Best time to build a deck in Michigan
May to October.
Deck cost in Michigan cities
- Detroit — 12×16 composite about $9,459
Compare neighbouring states
Frequently asked questions
How much does it cost to build a deck in Michigan?
A typical 12×16 ft (192 sq ft) deck in Michigan costs about $4,443 installed in pressure-treated pine, $6,372 in cedar and $9,459 in composite. That is $20–$26 per square foot for pressure-treated and $43–$56 for composite — right in line with the US average.
Is a composite deck worth it in Michigan?
On a 12×16 deck composite costs about $5,016 more than pressure-treated up front. Pressure-treated is the value option; composite pays back sooner along the snowbelt where boards stay wet. Composite needs no staining, which saves a refinishing cycle every two to three years on wood.
Do I need a permit to build a deck in Michigan?
The Michigan Residential Code (IRC-based) is statewide, with a 42 inch footing depth. Snow loads in the Upper Peninsula exceed the standard deck design load. Where a permit is required, fees typically run $100–$450. Under the model residential code, a freestanding deck under 200 sq ft and no more than 30 inches above grade that does not serve an exit door is often exempt — attaching it to the house removes that exemption.
How deep do deck footings need to be in Michigan?
Typically 42 inches. At about 42 inches, each 12 inch footing costs roughly $224 installed, compared with $167 at a 24 inch depth. Confirm the exact depth with your building department before digging.
When is the best time to build a deck in Michigan?
May to October. Booking a builder outside the spring rush often gets a faster start date and a keener price.
Is Michigan expensive for deck building compared with other states?
Michigan ranks 28 of 50 from cheapest to most expensive on our index. Carpentry labour runs 2% above the national level and materials right in line with it, which puts a typical deck right in line with the US average.
Price the rest of the project
How these figures are made: national installed prices per square foot, split into materials and labour and adjusted by a Michigan labour index (reasoned from BLS state carpenter wage data), a material and freight index, and the local footing depth. They are planning estimates — get two or three itemised local quotes. Method.