Average Cost of Bathroom Addition

average cost to add bathroomTo get your instant Average Cost of a Bathroom Addition Estimate answer a few questions about your home and your plans in the space below.Once you have your instant cost estimate we can help you take the next step!
  • Learn more about addition of new bathrooms by getting a free copy of our tip sheets.
  • Receive a free onsite cost estimate from several contractors. We will help you find the best one who works in your neighborhood.
  • Compare ways to save money by picking the right way to pay for addition of new bathrooms.
Get an instant estimate to add a bathroom 


Frequently Asked Questions:

Question: Is the average cost to add a bathroom really $18,000?

Answer: Yes, nationwide for all levels of quality and different size of bathrooms the average cost is $18,000.  Your bathroom addition cost depends on the 4 key bathroom addition cost drivers: Location of your home. who does the work, the design/size of your bathroom and the materials you choose.  Labor rates can be 3 times the price in a big city versus in the lower cost areas of the US.  A larger bathroom – obviously – costs more to build than a smaller bathroom and materials play a big part in the cost of your bathroom addition.  You can choose a $30 sink faucet or a $300 faucet – you can use $1 per square foot tile or $10 per square foot tile.  Each of the decisions you make will have an impact on the cost for your bathroom addition.  The bathroom addition cost calculator on this site will help provide you a quick cost estimate based on your homes location, who will do the work and the material you choose.


Question: How much does it cost to add on master bath to house in California?
Question: What is the average cost to add a bathroom in Florida?
Question: How much does it cost to add a half bathroom in Alabama?
Question: How much does it cost to build a bathroom in basement?
Question: How much does it cost to add a bathroom upstairs?