How Much Does Sunroom Addition Cost in Madison, WI?
Madison pricing is near the national average. Updated for 2026.
Based on local labor rates, varied climate conditions, and Madison's diversified economy.See our methodology
Sunroom Addition Pricing in Madison, WI
Madison offers near-average pricing for sunroom addition, making it a reasonable market for this service. The local diversified economy supports a balanced labor pool, and the city's 260K population base ensures you can find multiple qualified providers to compare quotes.
Local climate plays a direct role in sunroom addition costs here. Harsh winters and hot summers mean year-round service needs; freeze-thaw cycles affect foundations.
Market-specific factors matter in Madison: moderate cost of living keeps contractor rates affordable.
Madison has moderate permitting requirements. Depending on the scope of your sunroom addition project, you may need local permits. A licensed contractor will handle the permitting process as part of the job in most cases.
Madison vs National Average
What Affects Sunroom Addition Cost in Madison?
Type
Screen room/porch enclosure: $5,000-$12,000. Three-season: $10,000-$25,000. Four-season (insulated): $20,000-$50,000+
Size
Small (100 sq ft): $10,000-$20,000. Average (200 sq ft): $18,000-$35,000. Large (300+ sq ft): $30,000-$60,000
Foundation
Existing patio: $0-$2,000 prep. New concrete slab: $3,000-$6,000. Pier/post: $2,000-$5,000
Madison Market Conditions
moderate cost of living keeps contractor rates affordable
Local Climate Impact
harsh winters and hot summers mean year-round service needs; freeze-thaw cycles affect foundations
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Tips to Save on Sunroom Addition in Madison
- 1.Three-season sunrooms cost 40-60% less than four-season ($8,000-$20,000 vs $20,000-$50,000)
- 2.Prefab sunroom kits ($5,000-$15,000 for materials) save significantly over custom-built
- 3.Build on an existing concrete patio to save $3,000-$8,000 on foundation
- 4.If in a warm climate, a three-season room may be perfectly adequate
📈 Sunroom Addition in Madison Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $20,810 | — |
| 2021 | $21,684 | +4.2% |
| 2022 | $23,093 | +6.5% |
| 2023 | $23,740 | +2.8% |
| 2024 | $24,500 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Sunroom Addition in Madison
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Frequently Asked Questions
Does a sunroom add value to a home?
Yes, but the ROI varies. A well-built four-season sunroom returns about 50-75% of its cost. Three-season rooms return slightly less. The value depends heavily on climate — sunrooms are more valued in northern and temperate climates where they extend outdoor enjoyment.
Do I need a permit for a sunroom?
Almost always yes — a sunroom is a structural addition to your home that must meet building codes. Permits typically cost $500-$2,000 and require structural, electrical, and sometimes HVAC inspections.
Why does sunroom addition cost different in Madison than other cities?
Madison's costs reflect local labor rates driven by the diversified economy, varied climate conditions that affect materials and scheduling, and moderate permitting requirements. The balanced labor market also influences competitive pricing.
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