How Much Does Sunroom Addition Cost in St. Louis, MO?
Average sunroom addition costs in St. Louis range from $19,929 to $26,963. Get a free, customized estimate below.
Sunroom Addition Cost Breakdown — St. Louis, MO
| Item | Unit | Qty | Unit Price | Total |
|---|---|---|---|---|
| Sunroom Kit & Glass Panels | sq ft | 200 | $80.75 | $16150.00 |
| Foundation & Flooring | sq ft | 200 | $11.40 | $2280.00 |
| Electrical & HVAC Tie-In | lump sum | 1 | $1140.00 | $1140.00 |
| Labor (full build) | hr | 48 | $80.75 | $3876.00 |
| Estimated Total | $23,446.00 | |||
* Prices are estimates based on St. Louis market rates. Actual costs may vary based on project specifics.
Estimate
Ref ID: EST-2026-L6RH
Date Issued
May 8, 2026
Client
Project Details
Site Address
Start Date
End Date
Scope of Work
Materials
| Material Specification | Units | Amount | Ext. Total | |
|---|---|---|---|---|
$ | $16,150 | |||
$ | $2,280 | |||
$ | $1,140 | |||
$ | $3,876 |
Labor
| Service Specification | Type | Hrs | Rate | Ext. Total | |
|---|---|---|---|---|---|
Craftsmanship Guarantee | $ | $600 |
Contractual Agreements & Conditions
Total
$24,046
Draft
Frequently Asked Questions — Sunroom Addition in St. Louis
How much does sunroom addition cost in St. Louis, MO?
The average cost for sunroom addition in St. Louis, MO ranges from $19,929 to $26,963, depending on project scope, materials, and labor rates. St. Louis costs are close to the national average.
How do I get a free sunroom addition estimate in St. Louis?
Use Brixor's free online estimate generator above. Enter your project details, customize line items for your specific needs, and download a professional PDF estimate instantly. No signup or credit card required.
What factors affect sunroom addition costs in St. Louis?
Key factors include project size and complexity, material quality, labor rates in St. Louis (MO), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.