Accessory Dwelling Unit Floor Plans

Search dozens of build-ready ADU floor plans below. Click into any floor plan for pricing for each ADU plan. Whether you’re interested in tweaking our existing ADU blueprints or envisioning a completely custom ADU design, we’ve got you covered.

Our in-house design team is adept at tailoring plans to align seamlessly with your main residence, ensuring the exterior of the ADU blends with the property. From minor adjustments to bespoke guest house plans to stacked ADUs, we provide a spectrum of options to meet your unique needs for your ADU house plan.

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.


Other Features We can also add features to any of our plans to create something more custom for you. Contact us to let us know what you envision.

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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’re expert ADU builders 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 floorplans and their most common uses. Check out our list of the top ADU blueprints to find which plan might suit you best.

SnapADU Floor Plan 500 SQFT AARP 3D Design

What is a good size for an ADU plan?

Your guest house floorplan 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 floorplan for your needs.