CostInMyCity

Madison, WI / Deck

Deck cost in Madison, WI

$30–$60 per sq ft; average job $8,316 (range $4,340–$12,652). A 16×20 (320 sf) table is $12,800–$19,200. Pressure-treated is the low end; second-story / high-end wood / custom is the high end.

Labor for Deck in Madison, WI is indexed to the BLS construction-and-extraction occupations mean hourly wage for Madison, WI of $35.09 (May 2025), applied to the 50% labor share.

City of Madison Building Inspection Division is the issuing office. The typical permit fee recorded from City of Madison Building Inspection fees / MGO 29.09 Group IV ($11 per $1,000, min $25), retrieved 2026-09-01, is $182. Fee model: valuation.

The national typical for this job is $45. Materials stay at the national figure while labor is wage-indexed for Madison, WI.

Walking surface only. A 16 by 20 deck is 320 sqft.

Typical all-in

$15,481

Job cost plus the recorded local permit fee at this size.

Low
$10,341
Typical
$15,481
High
$20,676

Breakdown

Labor (allocated)$7,625
Materials (allocated)$7,625
Job subtotal$15,250
Permit$231
All-in typical$15,481

Labor is adjusted for construction wages in this metro. Materials stay at the national figure. This is an estimate, not a contractor quote.

Permit fee

Fee model
Based on project value
Typical fee
$231
Range
$175 – $343
Retrieved
2026-09-01
  • Building inspection (Group IV) — $132Included.
  • Plan review (SFR alteration/remodel) — $25Included.
  • Zoning review ($0.03/sf, min $25) — $25MGO 28.206 at building-permit issuance. 320 sf × $0.03 = $9.60 → $25 minimum. Included.

Typical $12,000: $132 + $25 plan review + $25 zoning = $182.00. Low $8,000: $88 + $25 + $25 = $138.00. High $19,200: 20 × $11 = $220 + $25 + $25 = $270.00. Typical-job spec 16×20 = 320 sf.

Deck on Group IV $11/$1,000 plus $25 SFR alteration plan review plus zoning min $25.

City of Madison Building Inspection fees / MGO 29.09 Group IV ($11 per $1,000, min $25)

Citations

  1. How Much Does It Cost to Build a Deck? [2026 Data] Retrieved Aug 12, 2026. Average $8,316; $4,340–$12,652; $30–$60/sf; labor $15–$35/sf.
  2. City of Madison Building Inspection fees / MGO 29.09 Group IV ($11 per $1,000, min $25) Retrieved Aug 31, 2026. Deck on Group IV $11/$1,000 plus $25 SFR alteration plan review plus zoning min $25.
  3. BLS OEWS construction wages — Madison, WI BLS OEWS construction-and-extraction mean hourly wage / national same vintage, applied to laborShare only. Not a city-specific bid survey.

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