Building an ADU is a major investment and requires careful planning. As you navigate the process, it’s essential to choose the right large ADU plan that fits your needs and place it strategically on your property.

Many homeowners opt for a large ADU for its flexibility, and a three-bedroom ADU plan is an excellent option for those who need more space, whether it’s for a growing family, long-term guests, or potential renters. A three-bedroom ADU plan offers a ton versatility in terms of living arrangements and functionality.

A large ADU plan can serve as a comfortable full-time residence or an expansive guest house, making it an attractive option for larger properties. Below, are a few of our favorite large ADU plans and three-bedroom ADU plans that offer ample space, smart design, and can adapt to a variety of property sizes and layouts.

Maxable has a network full of experienced ADU designers all throughout California that can help bring your vision to life, from initial planning to final construction. Our team of experts will study your project details including budget, lot characteristics, and more to connect you to a designer that best matches your goals. Schedule a call today and connect with the perfect expert for your project!

Three-Bedroom ADU Plans

Per California law, you can build an ADU up to 1200sf. If you have the budget for a large ADU plan, you can certainly create a space as large as a standard house. With up to three bedrooms and two bathrooms as well as full-sized living spaces, you can create an amazing rental property or second home on your lot. Here’s an example of a three-bedroom ADU plan that we really like:

Large Two-story ADU Plans

When it comes to building a large ADU, it could make a lot of sense to build a two-story ADU. You get double the space on the same property area. So, if you have limited space to build, but you still want a large ADU plan, a two-story ADU is a good option. Here is one of our favorite large ADU plans: