Accessory Dwelling Unit Floor Plans

Search dozens of build-ready ADU floor plans below, or view 1 bedroom2 bedroom3 bedroom4 bedroom, and two-story guest house plans. Click into any floor plan for pricing for that unit.

You can also modify any of these ADU house plans or go for a custom design. We can easily modify our ADU blueprints to suit your needs, and we will typically match the exterior of the ADU to your main home. You can also work with our in-house design team to design a custom guest house plan or try configuring your own floor plan using our interactive 3D floor plan tool.

Search ADU Floor Plans

Size of unit
Min/max sqft size
0 sq. ft.
1200 sq. ft.
Number of bedrooms
Number of baths

Vertical Build Price Cost for unit & finishes. Your project will also require plans, permits, & sitework. Contact us for a free consult & property-specific estimate.

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Need a custom ADU floor plan?

You may want to customize an accessory dwelling unit floor plan to suit your property, or to add multiple units by attaching or stacking them. We can do any and all of that! Contact us to discuss modifying any of our accessory dwelling unit plans for your unique project. Our in-house drafting team will be happy to work on your custom ADU project.

Top ADU Floor Plans

We have narrowed down the top five accessory dwelling unit plans and their most common uses. Check out our list of the top ADU floor plans to find which plan might suit you best.

Floor Plans 3BR 2BA 1000 SF 36x31 L SHAPE ADU 3D View

Make it your own.

Try customizing your own large 1200 sqft L-Shape ADU floor plan using our interactive 3D floor plan tool. You can configure the guest house room layout, plus add options like porches and kitchen expansions. Also see how finishes look with realistic renderings.


What is a good size for an ADU plan?

Your guest house floor plan size will be influenced by your end goals for the unit, as well as cost. Larger units are cheaper on a per square foot basis, though there are size thresholds that will trigger additional fees for accessory dwelling unit plans. Read more about picking a good size ADU floor plan for your needs.