Sunrooms Cost in Decatur, IL in 2026
Most Sunrooms projects in Decatur, IL cost between $26,000 and $97,000. The typical price is $54,000.
Labour and materials in Decatur run about 12% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
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 Decatur, IL
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $130 |
| Mid-range | $270 |
| High-end | $485 |
Sunroom builders in Decatur, IL
Businesses listed on Google near Decatur, IL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Promax Construction
4.8(90 reviews)
141 W Main St, Decatur, IL 62523
J J Swartz Company
4.5(64 reviews)
2120 N Oakland Ave, Decatur, IL 62526
Benmar Sunrooms
4.8(29 reviews)
2601 Chuckwagon Dr, Springfield, IL 62711
Kendall Construction Inc
4.7(28 reviews)
3350 W Marietta St, Decatur, IL 62522
Kustom Home Remodeling
5.0(17 reviews)
410 N Water St Ste D, Decatur, IL 62523
A&w construction
5.0(17 reviews)
130 N Westlawn Ave, Decatur, IL 62522