At The Finished Basement, we specialize in designing and building custom basement bathrooms that enhance both functionality and comfort. Serving homeowners across the South Shore, Boston, Cape Cod, and surrounding Massachusetts communities, we create bathrooms that seamlessly integrated into your finished basement.

Whether you’re adding a half bath for guests, a full bathroom for an in-law suite, or upgrading your current space, our team brings over 25 years of experience to every project.
Fully Licensed & Insured | Free, No-Obligation Estimates | All Labor Fully Warrantied
Adding a bathroom to your basement can transform how you use the space. It may be the right time if you:
A professionally designed basement bathroom offers multiple advantages:
Reach out to schedule your free bathroom consultation.(781) 812-320
Rob will visit your home, measure the space, and discuss your bathroom needs. Together, we’ll design a layout that fits your goals and budget.
We provide a transparent, guaranteed quote with a breakdown of specifications and costs.
Once you’re ready to move forward, we’ll provide a customized proposal. Adjustments are always welcome to make sure you’re comfortable with the scope.
We schedule your project and get to work, building a bathroom that adds lasting value and convenience to your home.
When you work with us, you get a trusted partner committed to quality and customer satisfaction. Benefits include:
We offer basement bathroom design and build across Eastern Massachusetts, Boston to Cape Cod, Quincy, Braintree, Randolph, Hingham, Plymouth, Norwell, Hanover, Duxbury, Kingston, Marshfield, Pembroke, Plymouth, Cohasset, Scituate, Norwell, Weymouth, Sandwich, Mashpee, MA
Please reach us at meaderrob@yahoo.com if you cannot find an answer to your question.
Yes. We can design and install showers, tubs, or full bathrooms in basements, including options for in-law apartments and guest suites. Our team ensures all plumbing is installed correctly and meets local building codes.
Often, yes. Basement bathrooms may require upflush or ejector pump systems to handle wastewater properly. We evaluate your space during the consultation and recommend the best plumbing solution for long-term performance.
The cost depends on the size, finishes, and whether you’re adding a half bath or full bath with a shower/tub. On average, a basement bathroom ranges from $15,000–$35,000. We provide free, no-obligation estimates with transparent pricing.
Most basement bathroom projects take 3–6 weeks, depending on complexity, plumbing requirements, and finishes. We provide a clear project timeline so you’ll know exactly what to expect.
Absolutely. Adding a bathroom — especially in a finished basement — significantly boosts resale value and makes your home more attractive to buyers. It also adds daily convenience for your family and guests.
Ready to add convenience and value with a custom basement bathroom? Contact The Finished Basement today to schedule your free estimate.
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Mon - Sat 7 AM - 6 PM
The Finished Basement
48 Crescent St, Plympton, MA 02367, USA
The Finished Basement | Plympton, MA
Serving homeowners across the South Shore, Boston, Cape Cod, Plymouth County, Norfolk County & Barnstable County for over 25 years.
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