How Much Does It Cost to Add a Bathroom? (2026)
How Much Does It Cost to Add a Bathroom? Adding a bathroom costs $5,000 to $150,000, with most homeowners paying $10,000 to $35,000 for a straightforward half or full bath. A powder room converted from a closet runs $5,000-$25,000. A full bath addition runs $20,000-$50,000+. A primary suite addition with a new bedroom and bath…