How Much Does Room Addition Cost in Baltimore, MD?
Average room addition costs in Baltimore range from $9,967 to $13,485. Get a free, customized estimate below.
Room Addition Cost Breakdown — Baltimore, MD
| Item | Unit | Qty | Unit Price | Total |
|---|---|---|---|---|
| Foundation | sq ft | 200 | $16.50 | $3300.00 |
| Framing | sq ft | 200 | $13.20 | $2640.00 |
| Roofing | sq ft | 220 | $8.80 | $1936.00 |
| Electrical & Plumbing | lump sum | 1 | $3850.00 | $3850.00 |
| Estimated Total | $11,726.00 | |||
* Prices are estimates based on Baltimore market rates. Actual costs may vary based on project specifics.
Estimate
Ref ID: EST-2026-157Y
Date Issued
May 6, 2026
Client
Project Details
Site Address
Start Date
End Date
Scope of Work
Materials
| Material Specification | Units | Amount | Ext. Total | |
|---|---|---|---|---|
$ | $3,300 | |||
$ | $2,640 | |||
$ | $1,936 | |||
$ | $3,850 |
Labor
| Service Specification | Type | Hrs | Rate | Ext. Total | |
|---|---|---|---|---|---|
Craftsmanship Guarantee | $ | $600 |
Contractual Agreements & Conditions
Total
$12,326
Draft
Frequently Asked Questions — Room Addition in Baltimore
How much does room addition cost in Baltimore, MD?
The average cost for room addition in Baltimore, MD ranges from $9,967 to $13,485, depending on project scope, materials, and labor rates. Baltimore costs are close to the national average.
How do I get a free room addition estimate in Baltimore?
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 room addition costs in Baltimore?
Key factors include project size and complexity, material quality, labor rates in Baltimore (MD), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.