How Much Does Sunroom Addition Cost in Washington, DC?
Average sunroom addition costs in Washington range from $28,320 to $38,316. Get a free, customized estimate below.
Sunroom Addition Cost Breakdown — Washington, DC
| Item | Unit | Qty | Unit Price | Total |
|---|---|---|---|---|
| Sunroom Kit & Glass Panels | sq ft | 200 | $114.75 | $22950.00 |
| Foundation & Flooring | sq ft | 200 | $16.20 | $3240.00 |
| Electrical & HVAC Tie-In | lump sum | 1 | $1620.00 | $1620.00 |
| Labor (full build) | hr | 48 | $114.75 | $5508.00 |
| Estimated Total | $33,318.00 | |||
* Prices are estimates based on Washington market rates. Actual costs may vary based on project specifics.
Estimate
Ref ID: EST-2026-QZEH
Date Issued
May 6, 2026
Client
Project Details
Site Address
Start Date
End Date
Scope of Work
Materials
| Material Specification | Units | Amount | Ext. Total | |
|---|---|---|---|---|
$ | $22,950 | |||
$ | $3,240 | |||
$ | $1,620 | |||
$ | $5,508 |
Labor
| Service Specification | Type | Hrs | Rate | Ext. Total | |
|---|---|---|---|---|---|
Craftsmanship Guarantee | $ | $600 |
Contractual Agreements & Conditions
Total
$33,918
Draft
Frequently Asked Questions — Sunroom Addition in Washington
How much does sunroom addition cost in Washington, DC?
The average cost for sunroom addition in Washington, DC ranges from $28,320 to $38,316, depending on project scope, materials, and labor rates. Washington costs are above the national average due to higher labor and material costs in the region.
How do I get a free sunroom addition estimate in Washington?
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 Washington?
Key factors include project size and complexity, material quality, labor rates in Washington (DC), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.