Home Addition Cost Estimator for Katy, Texas

Make informed decisions about real estate in Katy with our precise calculator tools.

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Home Addition Cost Estimator

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Sample Home Addition Cost Estimator for Katy, Texas

Estimated cost for a standard 400 square foot home addition in Katy, Texas.

Size400 sq. ft.

Cost per sq. ft.$200 - $350

Low-End Total$80,000

High-End Total$140,000

Adding 400 square feet usually ranges from $80,000 to $140,000 depending on finishes and structural requirements.

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Frequently Asked Questions

How much does it cost to add a room in Katy?

Costs depend on whether you are building a sunroom, a bedroom, or a second story. Use our Home Addition Cost Estimator to check local pricing for Katy, Texas.