How Much Does It Cost to Add a Bathroom? (2023 Guide)

Cost To Add A Bathroom Addition. How Much Does It Cost to Add a Bathroom? (2023 Guide) The cost to add a bathroom is $5,000 to $25,000 to convert an existing space Converting space from a room such as a basement, attic, or bedroom into an extra bathroom may cost anywhere from $9,000-$50,000.Adding extra square footage to your home for a bathroom will cost a lot more, with costs ranging from $37,000.

A new bathroom addition costs $20,000 to $75,000 due to the extra construction costs Location: The ease of access to existing plumbing and electrical lines is a major cost driver

This Is How Much It Costs to Add a Bathroom

"Cost ranges for a bathroom addition in a new space are from $18,000 up to $70,000," Graham says Converting existing space is generally less expensive than building a new addition Bathroom additions cost $400 to $550 per square foot

How Much Does It Cost To Add A Bathroom In 2025? Forbes Home. Adding a full-size basement bathroom costs $10,000 to $25,000, while adding a half bath costs $3,000 to $10,000 with standard features. "Cost ranges for a bathroom addition in a new space are from $18,000 up to $70,000," Graham says

This Is How Much It Costs to Add a Bathroom. Converting existing space is generally less expensive than building a new addition Bathroom additions cost $400 to $550 per square foot