Miami, FL · Updated 2026

How Much Does Room Addition Cost in Miami, FL?

Average room addition costs in Miami range from $10,873 to $14,711. Get a free, customized estimate below.

20% above national averageFree · No Signup Required

Room Addition Cost Breakdown — Miami, FL

ItemUnitQtyUnit PriceTotal
Foundationsq ft200$18.00$3600.00
Framingsq ft200$14.40$2880.00
Roofingsq ft220$9.60$2112.00
Electrical & Plumbinglump sum1$4200.00$4200.00
Estimated Total$12,792.00

* Prices are estimates based on Miami market rates. Actual costs may vary based on project specifics.

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Labor line 1

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Material line 1

Line total$3,600

Material line 2

Line total$2,880

Material line 3

Line total$2,112

Material line 4

Line total$4,200

Frequently Asked Questions — Room Addition in Miami

How much does room addition cost in Miami, FL?

The average cost for room addition in Miami, FL ranges from $10,873 to $14,711, depending on project scope, materials, and labor rates. Miami costs are above the national average due to higher labor and material costs in the region.

How do I get a free room addition estimate in Miami?

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.

What factors affect room addition costs in Miami?

Key factors include project size and complexity, material quality, labor rates in Miami (FL), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.