One of the most popular home improvement projects right now is building an in-law suite for your parents. We break down the reasons and steps for building an in-law apartment so you can make the right choice for both your family and in-laws.

Approximately 20% of the U.S. population lives in a multi-generational dwelling house, meaning three or more than generations share the same household. As assisted living costs continue to rise, older Americans are choosing to move in with their children and grandkids. But instead of taking the spare bedchamber upstairs, they're moving into their own private in-law suite.

What Is an In-Law Suite or Flat?

An in-constabulary apartment is a private infinite for in-laws and parents that is usually fastened to or located on the same lot every bit their grown child'south firm. Many in-police force suites are custom-congenital home additions, though converted garages, basements and stand up-alone guest houses are also common. These types of dwellings are also referred to as "mother-in-law" suites or granny apartments.

How Much Does It Cost to Build an In-Law Suite?

The cost to build an in-law suite varies by the blazon of space and how much piece of work is needed to make that space livable. Ideally, your in-law suite should include everything needed for independent living, such equally a separate bedroom, living area, bathroom and kitchen. Of course, adding all of these elements is expensive, with one financial expert putting the toll of installation somewhere between $40,000 and $125,000.

Equally steep as that may seem, the one-time cost to build an in-law suite pales in comparing to the annual cost of assisted living communities. Genworth's Cost of Care Survey reveals that in the United States, the boilerplate cost of a private room in a nursing habitation is around $105,000 annually. Semi-individual rooms weren't much cheaper, averaging out to $93,000 per year. In the long-run, the cost of an in-law suite improver is almost always less than the alternative. And money bated, being surrounded by family is ameliorate for your parent's well-being too.

Open Floor Plan Basement Apartment

5-Pace Planning Checklist for Edifice a Mother in law Suite

1. Check Your Local Building Codes

Your local building codes will decide what features you can add to an in-police force suite. If y'all're thinking of building an addition, y'all will usually exist limited to a sleeping accommodation, bathroom, minor kitchen and sitting expanse. Adding a full kitchen or separating the unit from the main home will crave separate permits or may even be banned by local zoning rules that prohibit residential areas from building rentable properties.

Other mutual requirements for in-law apartments include:

  • Full-time residence on the belongings where the suite will be built.
  • An outside entrance into the dwelling, separate from the main business firm entrance.
  • Separate water and sewer connections, though most municipalities allow 3 total plumbing connections with i sewer allow.
  • Access to off-street parking, such equally a garage or driveway.

2. Observe the Right Spot for Your In-Police Apartment

As with real estate, in-law suites are all about three things: location, location and location. Depending on what's allowed in your city, you could convert your garage, cranium, basement or even your porch into a suite. For home additions, the all-time spot to build off is an underused room on the commencement floor, ideally located nearly an existing bathroom.

Female parent-in-Police force Suite Plans

Planning out a simple and efficient design for your in-police force apartment is the best mode to proceed your loved one prophylactic, while too maintaining their independence and privacy. Providing this infinite in your home's basement is commonly the most cost-effective style to add a living space. But, depending on your parent'south historic period and abilities, having a walk-out basement or garage level apartment might be platonic to avert troubles with stairs.

For a comfortable living infinite, the three fundamental in-police suite rooms to include would be a sleeping accommodation, full bath and a total kitchen or kitchenette surface area, if possible. This will give your parent the autonomy to all the same bathe and cook on their ain accord without overlapping with your family'southward different schedules.

In-Law Suite Floorplan Blueprint

3. Separate the Suite's Utilities From Your Main Dwelling house

Separating your mother in law suite'southward utilities from the main house volition let you to switch them off if the space ever goes unoccupied for a long stretch of time. And if y'all end upwards renting the space out to another occupant down the line, y'all can easily split the bills.

4. Consider Your Parent'southward Current and Hereafter Needs

Does your new guest have any special needs, such as wheelchair accessibility or grab bars for the bath? Your in-laws probably programme on crumbling in place once they move in. Exist proactive and brand sure their new accommodations are made to age with them. This includes installing pull-out drawers, shower seats, adaptable sinks and other appropriate civilities.


Need to make your abode more accessible?

Read Adjacent: Projects for Aging at Home & Essential Home Remodeling Projects for Accessibility


5. Find a Certified Contractor

Look for a contractor who has congenital in-law apartments earlier and is a certified aging-in-place specialist. Contractors with this designation can exist immensely helpful during the building procedure, providing advice and design ideas to make your in-law suite every bit functional equally possible. The National Association of Home Builders maintains a searchable database of members who have earned their CAPS designation, allowing you lot to easily find a specialist near you.

Find More Means to Maximize Living Infinite in Your Abode

Looking for other ideas to make the infinite in your home more than livable for guests? Get started with these helpful posts:

  • How to Convert Your Basement Into an Apartment
  • What to Consider Earlier Converting Your Garage into a Room
  • The Benefits of Calculation a Bathroom to Your House