A granny flat, or a secondary dwelling or accessory dwelling unit (ADU), is a small, self-contained living space attached to or located on the same property as a single-family home. According to the best San Jose ADU builder in Northern California, a granny flat is more than the name suggests. It typically includes a living area, kitchenette, bathroom, and sleeping quarters. It is designed to be a separate living space for a relative, an elderly parent, or for rental purposes.

Granny flats are typically smaller and less expensive than a standalone homes, and they offer a flexible and convenient housing option for families, elderly parents, and renters. They can also be a way for property owners to generate additional income by renting out the space.

There are several good reasons to contact a San Jose ADU builder to build a granny flat for you, including:

Extra income

Renting out a granny flat can provide an additional source of income for the property owner. This can help offset homeownership costs and provide a financial cushion in case of emergencies or unexpected expenses.

Aging in place

A granny flat can provide a convenient and comfortable living space for an elderly parent or relative who needs assistance with daily tasks. This can allow families to keep their loved ones close while providing them with independence and privacy.

Housing for adult children

A granny flat can provide a place for adult children to live while saving money or transitioning to independence. This can help families maintain close relationships and support each other while allowing privacy and autonomy.

Increased property value

Adding a granny flat can increase the value of a property, particularly in areas with high demand for rental properties. This can provide a financial benefit to the property owner if they decide to sell the property in the future. Remember, you need the best San Jose ADU builder to construct a granny flat that adds value to your property.

Reduced living costs

Living in a granny flat allows tenants to enjoy reduced living costs compared to renting a separate apartment or home. This can make it an attractive option for those seeking affordable housing.

Increased energy efficiency

Granny flats are often designed to be energy-efficient, which can help to reduce utility costs for both the property owner and the tenant.

Increased privacy

A granny flat can provide a separate living space for families looking for increased privacy. This can be particularly beneficial for families with multiple generations living under one roof.

Increased living space

Many homeowners build ADUs to increase their living space. A granny flat can provide additional living space for families outgrowing their homes. This is possible without needing to move to a larger home.


Building a granny flat can be challenging, but proper planning and finding the best ADU builder is the secret. By providing a comfortable, convenient, and affordable living space, a granny flat can help to improve the quality of life and provide a secure financial future for those who choose to build one.

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