
Basement Remodeling in Dennis, MA
Mussato Building Group remodels finished basements in Dennis, MA. We are a family-owned general contractor founded in 2004, with more than 100 projects completed and a 5.0 rating from 21 Google reviews. Our base in South Yarmouth is about 3 miles away, and we work across Dennis Village, East Dennis, South Dennis, West Dennis, and Dennis Port.
- Family-owned since 2004
- Licensed + insured in MA
- 100+ projects completed
- 5.0 stars from 21 Google reviews
- BBB accredited
Remodeling a basement in Dennis
Dennis runs from bay to sound right next to Yarmouth, with five villages and the Bass River as its western border.
Near the bay, the sound, and Bass River, groundwater can sit close to the surface, and many older basements in Dennis were finished without any moisture control behind the walls. A remodel here starts by opening those walls and fixing what caused the dampness, and if the house is in a FEMA flood zone, by checking how much of the space below the base flood elevation can be finished.
Most homes in Dennis are on septic systems. That matters if the new layout adds a bedroom, because Title 5 ties septic capacity to the bedroom count.

“Mussato Building Group has been a loyal and trusted partner of ours for over ten years and one hundred projects. Their professionalism and quality of work are second to none. We look forward to working with them far into the future.”
Basement permits in Dennis
We prepare the drawings, file the applications, and schedule the inspections. Here is what a project like this usually needs:
- Building permit from the Dennis Building Department for new walls, layout, or structural work.
- Electrical and plumbing permits, pulled by licensed electricians and plumbers.
- Review by the Dennis Board of Health under Title 5 if the remodel adds a bedroom on a septic system.
- Flood-zone review if the house sits in a FEMA flood zone.
- An Old King’s Highway certificate only if a new egress window or door changes the outside of the house where it can be seen from a public way.
- Tear-out of old paneling, ceilings, and carpet
- Moisture source found and fixed first
- Insulation and vapor control on foundation walls
- New layout, framing, and drywall
- Wiring, lighting, and outlet updates
- Basement bathrooms and wet bars
- Egress windows for new bedrooms
- Flooring, trim, doors, and paint
Basement Remodeling in Dennis: FAQ
Do I need a permit to remodel a basement in Dennis?
Yes, if the remodel changes walls, wiring, or plumbing. The Dennis Building Department issues the building permit, and licensed electricians and plumbers pull their own. We coordinate all of it.
Do you remodel basements in Dennis Village and East Dennis?
Yes. We remodel finished basements all over Dennis, including Dennis Village, East Dennis, South Dennis, West Dennis, and Dennis Port. Our base in South Yarmouth is about 3 miles away.
Can you add a bedroom in a remodeled basement?
If it gets a code-compliant egress window, enough ceiling height, and septic or sewer capacity for the extra bedroom. Most homes in Dennis are on septic systems.
What do you do with the old paneling and carpet?
We take them out and haul them away. Carpet laid on concrete and paneling over bare foundation walls are usually where the moisture and the smell were hiding.
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