In-Law Suite Construction

Close to the family, with a door that closes

An in-law suite works when both households can live their own lives. The parent has a bedroom, a bathroom, a sitting area and a place to make coffee or a light meal. The family has its house back at the end of the day. A door between the two lets everyone visit without walking outside, and it closes when either side wants quiet.

Where that door goes shapes the whole plan. A suite off the kitchen or a hallway makes it easy to check in and share meals. A suite at the far end of the house, joined by a short corridor or a mudroom, gives more privacy and better sound separation. We walk the house with you and talk honestly about how the family actually lives, because the right answer is different for a parent who wants company and one who values being left alone.

The suite also needs its own way in. A separate entry lets your parent come and go, receive visitors or deliveries, and get out in an emergency without going through the main house.

Size depends on the person and the lot. A suite can be a bedroom, bath and sitting room over a modest footprint, or a larger wing with a den and storage. We size it to the way your parent lives, not to a standard plan, and we look early at setbacks and septic so the footprint we draw is one the town will allow.

Planning for the next ten or fifteen years

The best time to plan for aging is before it is needed. The entry should be level or reached by a gentle graded walk, not a run of steps. Interior doors should be wide enough for a walker or a wheelchair, with lever handles. Hallways and the bathroom need turning room. None of this looks institutional when it is designed in from the start.

The bathroom gets the most attention. A curbless shower with a linear drain, a bench, a handheld shower head, a comfort-height toilet and solid blocking in the walls wherever a grab bar might be wanted later. Floor tile is chosen for grip when wet. Lighting along the route from bed to bathroom is low and comes on by itself.

Switches and outlets go where someone in a chair can reach them, and the kitchenette counter and microwave are set at heights that work seated or standing. If your parent is healthy and active now, these choices take nothing away. If their needs change, the suite does not have to be torn apart to keep up.

Floors stay level between rooms, with no thresholds to catch a walker or a toe, and the route from the parking spot to the suite door is lit and kept short. If a ramp is ever needed, the grading is planned so it can be added without rebuilding the entry.

If you think the space may one day be rented to someone outside the family, tell us now.

The kitchenette and what the town may say about it

A kitchenette usually means a sink, a small refrigerator, a microwave or a small cooktop, and enough counter and cabinet to keep a person independent. It does not need to be a full kitchen, and in many towns it should not be.

The reason is zoning. Some Massachusetts towns treat a space with its own full kitchen, its own bath and a separate entrance as a second dwelling unit, which brings a different set of rules than an addition to a single-family home. The answer varies by town, and we check your town's bylaw before the plan is fixed, so the suite is permitted as what it really is: part of your house.

If you think the space may one day be rented to someone outside the family, tell us now. That is a different project, an accessory dwelling unit, and it is planned differently from the first sketch.

Laundry is the other question families raise. A stacked washer and dryer in the suite keeps your parent independent and off the basement stairs, and it needs a drain, a dryer vent run to the outside and a floor that can handle a leak.

Septic, heat and the systems behind the walls

Adding a bedroom on a septic property brings a Title 5 design-flow review in Massachusetts, because the system is sized by the number of bedrooms. Sometimes the existing system has the capacity. Sometimes it does not, and that has to be known early, since an upgrade to the system can change both the plan and the order of work.

Heat and hot water come next. A suite can sometimes be served by extending the house's existing systems, but older parents often want their rooms warmer than the rest of the family does, so separate control is worth discussing. A new bath and kitchenette need drain lines tied back to the house, run with proper slope and venting by licensed plumbers.

Smoke and carbon monoxide alarms in the suite are interconnected with the house so an alarm on one side is heard on the other. We also talk about a doorbell or call button that rings in the main house, a small addition that matters a great deal to families.

The connecting door and wall also get attention for sound. Insulation in the shared wall and a solid door with seals let a parent who goes to bed early stay out of the evening noise in the main kitchen.

Building it while the family lives next door

Most of these projects happen while people are living in the house, and sometimes the parent has already moved in. We plan the work so the loud and dusty stages are scheduled ahead, the opening into the house is sealed off, and paths stay clear and lit. You know each week what is happening and what is coming.

You get a written scope that lists the foundation, framing, entry, accessible features, bath and kitchenette, heat, electrical and finishes, and the price is built from it. Permits go through the town's building department under 780 CMR, with Steve's unrestricted Construction Supervisor License on the structural work. Inspections typically come at footings, framing, rough plumbing and electrical, insulation and final.

Steve started this company after years of working for builders who lacked communication. On a project built for someone you love, being kept informed matters more than usual.

See the rest of our additions work, or browse the gallery for rooms we have finished.