How Much Does it Cost to Add a Bathroom?

- On average, adding a bathroom to an existing space costs $15,000 or between $5,000 and $35,000.

*Using existing space costs 40% to 60% less on average than adding space on.

- Adding onto your home with a finished bathroom costs $20,000 to $50,000 on average.


- High end additions, like a master bath or with more space for a spa like feel, can run $75,000 to $90,000.

What type of service do you need?
Will you need to change the bathroom's floorplan?
Your project timeframe?
Are you the homeowner?

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