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An accessory dwelling unit, usually called an ADU, is a secondary housing unit that shares a lot with the primary home on the property. ADUs are helpful if you need extra space for family, visitors, or to generate extra income with a rental.

If you have extra room on your property and you’re interested in an accessory dwelling unit (ADU), here’s what you need to know.

ADUs are separate from the primary dwelling

ADUADUs, also known as granny flat, in-law suite, carriage house or secondary suite, can’t be bought or sold as a separate home since they are legally on the same property as the primary home. Whoever owns the house owns the ADU. These units can be:

  • Detached
  • A garage conversion
  • Above a garage or workshop
  • A basement conversion
  • Internal, where part of the primary house beside the basement has been converted
  • A “bump-out” built on to the primary residence

Understanding your options

ADUs are a great option for multi-generational living. Owners can either rent out the ADU and live in their primary home or live in the ADU and rent out the house. Some owners use it as a standalone space for hobbies or a home office.

 Adding value to your property

Like home improvements such as updating your kitchen, ADUs can be a great way to add value. However, this also means that you may see an increase in property taxes, so be sure you have the budget to handle these additional costs, including maintenance and utilities.

Things to know before you start

You will need a permit to build an ADU—especially if it’s meant to be inhabited by guests. According to Freddie Mac, it must have a bathroom, kitchenette, living area, and separate entrance. It also needs the same safety features and fire protections as the main home.

Zoning will depend on your state and local laws. If you sell your home with an ADU, meeting legal requirements will prevent the complications of an unpermitted ADU on the property.

Talk to your lender about financing

Before building an ADU, do your research and talk to your trusted lender at SmartMortgage.com, a division of Guild Mortgage. There are financing solutions for renovating your home to create an addition, some of which include:

Your lender will always walk you through your choices to ensure that they best fit your needs.

Need to finance an accessory dwelling unit?

Let’s discuss your options

The above information is for educational purposes only. All information, loan programs and interest rates are subject to change without notice. All loans subject to underwriter approval. Terms and conditions apply. Always consult an accountant or tax advisor for full eligibility requirements on tax deduction.
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