Fast replies, 7 days a week: support@myhomefloorplans.com Call Today - 7 Days a Week: 1-800-642-8078
My Home Floor Plans My Home Floor Plans
0

ADU house Plans (450-800 sq. ft.) – Smart, Compact Living with Big Possibilities

Explore Affordable ADU Floor Plans Perfect for Backyard Units, Guest Suites, or Rentals

Find Your Dream house

Bedrooms
  • 0
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6+
Bathrooms
  • 2
  • 2.5
  • 3
  • 3.5
  • 4
  • 4.5
  • 5+
Floors
  • 1
  • 2
  • 3
  • 4+
Htd. Sq. Ft.
Width (Ft.)
Depth (Ft.)
Loading...

Plan Price
Architectural Style
# of Garage Bays
Bed and Bath
Ceiling Features
Structure Type
Garage Features
Indoor
Kitchen Features
Outdoor
Exterior Material
Size/Unique
Loading...
"ADU5 portable GPS tracking device"

ADU House Plans – Smart, Stylish, and Perfect for Compact Living

If you’re looking for a smart way to expand your living space, generate rental income, or create a private guest suite, our collection of ADU house plans is the perfect place to start. Also known as Accessory Dwelling Units, these compact designs are ideal for backyard cottages, in-law suites, guest houses, or tiny rental properties. Every one of our ADU house plans comes with editable CAD files, printable PDFs, and an unlimited-build license, giving you total control and maximum flexibility.

Read More

Found 2,712 House Plans!

  • Front view of a Traditional Ranch home with horizontal siding, brick foundation skirting, gable roof, and welcoming covered porch

    Plan 14-1580 – Aster Orchard Farmhouse | Traditional Ranch – 5-Bed, 2-Bath, 1,459 SF – House plan details
  • Front elevation of a Modern Farmhouse style home with white board and batten siding, gabled rooflines, covered porch, and two-car garage

    Plan 19-1771 – Aster Orchard Lodge | Modern Farmhouse – 4-Bed, 3-Bath, 2,835 SF – House plan details
  • Front elevation of a New American modern traditional house featuring brick, stone, and horizontal siding

    Plan 14-1517 – Aster Orchard Residence | New American – 4-Bed, 3.5-Bath, 3,298 SF – House plan details
  • Front elevation of a New American style two-story home with white lap siding, stone accents, black shutters, and an attached two-car garage

    Plan 12-2711 – Aster Orchard Villa | New American – 4-Bed, 3.5-Bath, 2,078 SF – House plan details
  • Front exterior of a New American Modern Farmhouse style home featuring board and batten siding, stone accents, gabled rooflines, and a welcoming covered entry

    Plan 12-1078 – Aster Orchard Hall | New American – 4-Bed, 3.5-Bath, 2,606 SF – House plan details
  • Front exterior of a Traditional New American style home with horizontal siding, stone accents, covered porch, and two-car garage

    Plan 12-2784 – Aster Orchard Haven | Traditional New American – 4-Bed, 3.5-Bath, 3,375 SF – House plan details
  • Front view of a Modern Farmhouse and Southern Farmhouse style home featuring board and batten siding, horizontal lap siding, and brick foundation accents

    Plan 12-2442 – Aster Orchard Place | New American – 4-Bed, 5.5-Bath, 5,643 SF – House plan details
  • Craftsman house plan with front porch, gable roof, and stone accents surrounded by pine trees

    Plan 13-1582 – Aster Orchard Chalet | Craftsman – 4-Bed, 3-Bath, 2,572 SF – House plan details
  • Front view of a Rustic Craftsman Lodge style home featuring wood siding, stone accents, shake roofing, and a covered porch entry

    Plan 13-2043 – Aster Lane Manor | Craftsman – 3-Bed, 2-Bath, 2,440 SF – House plan details
  • Front elevation of a Craftsman Traditional style two-story house featuring lap siding, shingle gables, stone accents, and a welcoming covered entry with tapered columns.

    Plan 17-1173 – Aster Lane Estate | Craftsman – 3-Bed, 2.5-Bath, 3,400 SF – House plan details
  • Front elevation of a New American Modern Farmhouse style home featuring stone accents, shingle gables, lap siding, and an inviting covered porch

    Plan 15-1941 – Aster Lane Retreat | New American – 4-Bed, 4-Bath, 2,930 SF – House plan details
  • Front view of a Modern Farmhouse style home with white board and batten siding, brick porch piers, black metal porch roof, and gable dormers

    Plan 13-1824 – Aster Lane Cottage | Modern Farmhouse – 3-Bed, 3-Bath, 2,906 SF – House plan details
  • Front elevation of a Traditional Ranch style home featuring horizontal siding, shake gable accents, stone base detailing, and a two-car garage

    Plan 10-1074 – Aster Lane House | Traditional Ranch – 3-Bed, 2-Bath, 1,959 SF – House plan details
  • Front elevation of a Southern Farmhouse style home with horizontal siding, standing seam metal roof, symmetrical windows, and a covered front porch

    Plan 12-1041 – Aster Lane Homestead | Southern Farmhouse – 6-Bed, 4.5-Bath, 3,956 SF – House plan details
  • Front exterior view of a New American Modern Traditional style home with white lap siding, stone accents, black shutters, and an attached garage

    Plan 10-1389 – Aster Lane Farmhouse | New American – 4-Bed, 4.5-Bath, 3,112 SF – House plan details

at Is an ADU?

ADU stands for Accessory Dwelling Unit. It’s a smaller, self-contained residential structure that sits on the same lot as a primary home. Our ADU house plans are designed to meet a variety of uses, including:

  • Backyard rental units
  • Multigenerational housing
  • Guest cottages or studios
  • Home offices with living space
  • Vacation or short-term rental units

Why Choose Our ADU House Plans?

  • Every Plan Includes CAD + PDF Files – Customize and build with ease.
  • Unlimited Build License – Use your ADU plan multiple times, anywhere you want.
  • Structural Engineering Included – All plans are engineered and code-compliant.
  • Free Foundation Changes – Choose slab, crawlspace, or basement at no extra charge.
  • Plans Built After 2008 – Modern layouts designed to reflect today’s zoning and space efficiency.

Who Are ADU House Plans Perfect For?

ADU house plans are ideal for:

  • Property owners in urban areas where land is limited
  • Homeowners wanting a flexible guest suite or rental opportunity
  • Families needing private space for elderly parents or grown children
  • Contractors and developers building multiple ADUs across lots

Common Features in Our ADU Designs

Our ADU house plans may be small in square footage, but they’re big on livability. Typical features include:

  • Open floor plans with combined living and dining areas
  • Efficient kitchens with full appliance layouts
  • 1–2 bedrooms with closet space
  • Full bathrooms
  • Separate entrances for privacy
  • Loft or attic storage options

Build Anywhere With Confidence

Our ADU house plans are designed with flexibility and code compliance in mind. Whether you’re building in California, Texas, Oregon, or beyond—our plans are crafted with local building practices and energy efficiency in mind. And with full CAD files and engineering support, your builder can make adjustments for your exact site or city requirements.

Explore Related Small Living Designs

What’s Included in Every ADU House Plan Package

  • CAD files for editing
  • PDF files for printing
  • Floor plans with dimensions
  • Elevations and cross-sections
  • Roof framing and structural layouts
  • Electrical layout
  • Foundation plan (customizable for free)
  • Preview all plan sheets here

Frequently Paired Features

Learn More About ADU Development

Ready to Build Smarter?

Our ADU house plans offer unbeatable flexibility and affordability. Whether you're adding an income-producing rental or designing a backyard guest home, we give you everything you need—engineered drawings, editable CAD files, and the freedom to build on your terms. No hidden fees, just great designs you can trust.

Explore ADU House Plans Now →

Frequently Asked Questions

 

What does ADU stand for?
ADU stands for Accessory Dwelling Unit—a smaller home that shares a lot with a main residence.

Can I build multiple ADUs from one plan?

Yes! Our ADU house plans come with an unlimited-build license.

Are ADU house plans legal in my area?

ADU legality depends on local zoning laws, but our plans can be modified to meet most codes.

Do your plans include engineering?

Yes! All ADU house plans include structural engineering.

Can I customize the foundation or roof of my ADU plan?

Absolutely. We offer free foundation changes and affordable layout edits.