Why do people build ADUs?

The most common reason why people build ADU is for long term family housing for aging parents. Other common reasons include:

● More affordable housing for adult children
● Downsizing and aging in place while still keeping their main home
● Long term guest or family accommodations
● Increased property value
● Passive income from rental property

SCCCI ADU FAQs Page

What does ADU stand for?

ADU stands for Accessory Dwelling Units. They’re also known as:

● Granny flats
● Secondary units
● In-law units
● Backyard cottages
● Extensions
● Backyard homes
● And more!

Can I build an ADU on my property?

Determining whether you can build an ADU on your property varies by city or county building and planning jurisdiction. In some cases, it can even vary by neighborhood. To learn about the city rules, feel free to reach out to us. We can help determine whether your area allows for ADUs or not.

How much does an ADU cost?

There’s a lot to consider when budgeting for an ADU. Depending on the structure and features of your ADU, your pricing will change. Each project is unique and has a unique set of costs. Feel free to give our team a call with all the details you wish your ADU to have so that we can provide you with a rough estimate. Give us a call at (800) 413-3333 or click here.

Why does a garage conversion cost so much if the structure is already there?

The majority of garages do not meet the structural and energy requirements that are needed for a habitual space. They require quite a bit of rework in order for them to be livable. Slabs will need to be broken down to install plumbing, water, electrical, gas, and sewer. Hot to mention that you will need a new foundation.

Are there different types of ADUs?

Yes, Accessory Dwelling Units can be built in three main configurations:

AADU (Attached Dwelling Unit) – Build a new ADU attached to and accessible from your existing home.
DADU (Detached Dwelling Unit) – Build a new ADU in your backyard separate from your existing home.
JADU (Junior Dwelling Unit) – Build a new ADU within the walls of your existing home.

Utilities are usually connected to your ADU by connecting the water, gas, and electrical from your main house and using the same meter.

How is an ADU project different from home remodeling, home renovation, or home additions?

The primary difference with an ADU home improvement project is that this space provides a fully independent home for renters, aging parents, or family. To be officially considered an “Accessory Dwelling Unit, the new space must have a separate entrance from the main house. It has to include provisions for:

● Living
● Sleeping
● Eating
● Cooking
● Sanitation

What are the differences between home renovation, home remodeling, and home addition?

Home renovation – Usually refers to upgrading an older home with new replacement parts, fixtures, finishes, etc. but avoiding major structural changes by keeping its existing layout.
Home remodeling – includes much of the same work as a home renovation although can typically include changes to an existing home’s configuration or layout by adding, moving, moving, or knocking down walls.
Home addition – is when new square footage is built to expand an existing home’s layout beyond the boundary of exterior walls/roofs.

Why are ADUs growing in popularity?

Thousands of ADUs are being constructed across California because they’re a great way to address the housing crisis and generate passive income for the homeowner. Moreover, ADUs cost less than any other form of housing and make for an efficient, environmentally friendly use of existing land.