Denver, CO · Updated 2026

How Much Does Room Addition Cost in Denver, CO?

Average room addition costs in Denver range from $9,967 to $13,485. Get a free, customized estimate below.

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Room Addition Cost Breakdown — Denver, CO

ItemUnitQtyUnit PriceTotal
Foundationsq ft200$16.50$3300.00
Framingsq ft200$13.20$2640.00
Roofingsq ft220$8.80$1936.00
Electrical & Plumbinglump sum1$3850.00$3850.00
Estimated Total$11,726.00

* Prices are estimates based on Denver 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$3,300

Material line 2

Line total$2,640

Material line 3

Line total$1,936

Material line 4

Line total$3,850

Frequently Asked Questions — Room Addition in Denver

How much does room addition cost in Denver, CO?

The average cost for room addition in Denver, CO ranges from $9,967 to $13,485, depending on project scope, materials, and labor rates. Denver costs are close to the national average.

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

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 Denver?

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