Cost of adding a 2nd bathroom? We planning on buying a house and but just trying to budget. It will be a one single level house. We want to either take a small closet and covert it to a half bath, or take a corner of a room and add 2 walls and a door.
Whether you're adding a new bathroom, guest room or a greenhouse for your extended plant family, a home addition costs between $21,000 and $73,500, or an average of $46,000. Total cost: $23.5k (as of today). Cost breakdown for the bid here + a few progress pics.
The job itself is about $18,500. We've spent about $4k on fixtures separately. $1k for a double vanity from Wayfair, $800 for a fancy toilet that requires electrical (Amazon), $700 for a freestanding tub (Amazon), ~$500 on fixtures and LED mirrors (Amazon).
![How much does it cost to add a bathroom? [2024 data] - GetASitePlan](https://static.getasiteplan.com/uploads/2024/04/add-a-bathroom-cost.jpg)
Ballpark cost of adding a bathroom and kitchenette in room with concrete floors? (self.HomeImprovement) submitted 3 hours ago by bluecaret Looking into the possibility of converting a room I have in my house so it is sectioned off into part of it as a bathroom and part of it as a kitchenette. An upscale bathroom addition can cost $100,000 or more, with factors like room size, materials, and the scope of the project affecting your total price. Cost of tub and surround (ranges from $800-3000 depending on your choice) plus $2500 in labor, as it's likely 3 days work between repairing drywall and painting.
![How Much Does It Cost To Add a Bathroom? [2025 Data] - Get A Site Plan](https://static.getasiteplan.com/uploads/2024/04/cost-to-add-bathroom-in-basement.jpg)
$1500 to just install is common base price in my areas northeast and LA area of California. The cost to add a bathroom to your home falls between $7,000 and $30,000 on average in 2026. Generally, it costs less to add a bathroom to your home that fits within its existing footprint.
It will cost more to build a new bathroom addition onto your home. A bathroom remodel typically costs $6,600 to $18,000 ($70-$250 per square foot), and a high-end remodel can cost over $100,000, depending on materials and finishes. The cost of adding a bathroom in 2025 ranges from $5,000 to $75,000.
Factors include size, location, materials, and labor. See average prices and tips. The cost of adding a bathroom varies widely depending on the location, materials, and scope of the project.
On average, homeowners in the U.S. can expect to spend between $15,000 and $50,000. Smaller half-bath additions can cost around $5,000.
In contrast, luxurious full-bath additions with high-end finishes may go over $75,000.