Sunrooms Cost in Willis, MI in 2026
Most Sunrooms projects in Willis, MI cost between $24,000 and $89,000. The typical price is $50,000.
Willis prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- Three-season versus fully conditioned four-season
- Foundation type — slab, piers or existing deck
- Glazing performance
- Whether HVAC is extended into the space
Usually included
- Foundation and framing
- Glazing and roof panels
- Electrical rough-in and finish
Usually extra
- HVAC extension
- Permits
- Interior finishes beyond basic
Unit prices in Willis, MI
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $120 |
| Mid-range | $250 |
| High-end | $445 |
Sunroom builders in Willis, MI
Businesses listed on Google near Willis, MI. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Vinyl Sash of Michigan
4.7(100 reviews)
5433 Fenton Rd G, Flint, MI 48507
Wayne Craft Inc
4.4(96 reviews)
13525 Wayne Rd, Livonia, MI 48150
Archadeck of Southeast Michigan
5.0(39 reviews)
28317 Beck Rd e3, Wixom, MI 48393
Patio Enclosures Sunrooms
4.0(71 reviews)
28421 Highland Rd Bldg 5, Romulus, MI 48174
Perras Decking and Homes
5.0(20 reviews)
8157 Talladay Rd, Whittaker, MI 48190
Sunspace West Michigan
4.7(14 reviews)
4625 Clyde Park Ave SW, Wyoming, MI 49509