Sunrooms Cost in Saint Peters, MO in 2026
Most Sunrooms projects in Saint Peters, MO cost between $24,000 and $89,000. The typical price is $49,000.
Saint Peters 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 Saint Peters, MO
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $120 |
| Mid-range | $245 |
| High-end | $445 |
Sunroom builders in Saint Peters, MO
Businesses listed on Google near Saint Peters, MO. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Patriot Builds Sunrooms
4.6(294 reviews)
811 S Kirkwood Rd, Kirkwood, MO 63122
Jacob Sunrooms, Exteriors & Baths
4.8(110 reviews)
1707 Gilsinn Ln, Fenton, MO 63026
Home Comfort Exteriors
4.9(68 reviews)
7839 Mexico Rd, St Peters, MO 63376
Affordable Exteriors
4.9(40 reviews)
450 Weiss Rd, St Peters, MO 63376
Highland Decks & Construction LLC
4.9(24 reviews)
67 Susan Dr, St Charles, MO 63301
Patio Enclosures Sunrooms
3.5(32 reviews)
11997 Borman Dr, St. Louis, MO 63146