House Plans with Mother-in-Law Suites So You'll Never Miss a Mama-Daughter Movie Night

Deep River Farmhouse House Plan
Photo: Southern Living House Plans

Multigenerational living is one trend to come out of 2020 that we'll gladly be taking along with us. As we look for more ways to keep the family together, we've realized that a custom build might be just the ticket. We've gathered a collection of mother-in-law suite house plans that don't sacrifice a thing when it comes to form, function, or style. If you're looking for more house plan ideas geared toward multigenerational living, peruse our collection. But, if you want to know a few of our favorites, take a gander through these Southern Living house plans with a mother-in-law suite to find a new place to call home.

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Bellewood Cottage

Bellewood Cottage House Plan
Southern Living House Plans

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A carriage house just off the main living space is ready for a custom build out. In the main home you'll find three bedrooms and two and a half bedrooms, all on one floor.

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Colonial Chase

Colonial Chase House Plan
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This six-bedroom, six-bath home isn't short on space. A guest suite above the garage with its own kitchen, living room, and bath make it a complete private home, but with the benefit of being just a stone's throw from the rest of the family in the main home.

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Deep River Farmhouse

Deep River Farmhouse House Plan
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Dual main suites make this a suitable plan for families who want everyone under one roof, but with a little more personal space than a traditional guest room would allow. The plan features four bedrooms and three-and-a-half baths within the 3,559-square-foot dwelling. A raised garage slab allows for a step-free entry into the home.

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Bayou Bend

Bayou Bend House Plan
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Our 2010 Georgia Idea House is a commanding, coastal-inspired looker with room for the whole family thanks to a studio apartment over the garage. It features a kitchen, bath, and private entry staircase.

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Summertime Lowcountry C + Apartment

Summertime Lowcountry C Apartment House Plan
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An alternate plan for the Summertime Lowcountry, the apartment elevation features a suite with kitchen, living room, dining area, and bath above the garage. It eliminates the third garage bay in order to allow for private entry stairs and storage.

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Oakland Hall

Oakland Hall House Plan
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This stately house plan was inspired by a historical Nashville home. It features four fireplaces, a three-story foyer, and four covered porches. While the existing plan features a total of 6,265 heated square feet, you can add the Bluebird Cottage Plan 2026 to the property to complete the estate and add a designated space to accommodate guests or family members.

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