How Much Does Room Addition Cost in Phoenix, AZ?
Average room addition costs in Phoenix range from $8,880 to $12,014. Get a free, customized estimate below.
Room Addition Cost Breakdown — Phoenix, AZ
| Item | Unit | Qty | Unit Price | Total |
|---|---|---|---|---|
| Foundation | sq ft | 200 | $14.70 | $2940.00 |
| Framing | sq ft | 200 | $11.76 | $2352.00 |
| Roofing | sq ft | 220 | $7.84 | $1724.80 |
| Electrical & Plumbing | lump sum | 1 | $3430.00 | $3430.00 |
| Estimated Total | $10,446.80 | |||
* Prices are estimates based on Phoenix market rates. Actual costs may vary based on project specifics.
Estimate
Ref ID: EST-2026-4U80
Date Issued
May 6, 2026
Client
Project Details
Site Address
Start Date
End Date
Scope of Work
Materials
| Material Specification | Units | Amount | Ext. Total | |
|---|---|---|---|---|
$ | $2,940 | |||
$ | $2,352 | |||
$ | $1,724.8 | |||
$ | $3,430 |
Labor
| Service Specification | Type | Hrs | Rate | Ext. Total | |
|---|---|---|---|---|---|
Craftsmanship Guarantee | $ | $600 |
Contractual Agreements & Conditions
Total
$11,046.8
Draft
Frequently Asked Questions — Room Addition in Phoenix
How much does room addition cost in Phoenix, AZ?
The average cost for room addition in Phoenix, AZ ranges from $8,880 to $12,014, depending on project scope, materials, and labor rates. Phoenix costs are close to the national average.
How do I get a free room addition estimate in Phoenix?
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 Phoenix?
Key factors include project size and complexity, material quality, labor rates in Phoenix (AZ), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.