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July 6, 2024
How Long Does It Take to Build an ADU?
Building an Accessory Dwelling Unit (ADU) on your property is a significant project that can enhance your living space, provide rental income, or offer a cozy home for family members. While the excitement of adding an ADU is palpable, one of the most common questions homeowners have is, "How long will it take to build?" At Dorothy Homes, we're here to provide clarity on the ADU construction timeline, ensuring you know what to expect from start to finish.

The ADU Construction Timeline Explained

Preliminary Planning and Design

Before construction can begin, the planning and design phase involves creating the blueprint for your ADU. This stage is crucial for setting the foundation of your project, involving architects and possibly other specialists to ensure the design meets local codes and your personal needs.

Permitting Process

Obtaining the necessary permits is a critical step that can vary greatly in duration, depending on your locality's requirements and the complexity of your ADU project. It's wise to account for this period in your overall timeline.

Construction Phases

Once you've cleared the preliminary steps, the actual construction begins. The duration of this phase depends on several factors, including the type of ADU, the complexity of the design, and the efficiency of your contractor and their team.

Garage Conversions

Typically quicker to complete, garage ADU projects can range from 3 to 4 months. This type of ADU involves transforming an existing structure, which can sometimes simplify the process.

Standalone Units

These projects are more involved, requiring the construction of a completely new structure on your property. Depending on the complexity and size, building a standalone ADU can take anywhere from 8 months to a year and a half.

Factors Affecting the Building Timeline

Site Accessibility

The ease with which construction equipment and materials can be brought to your property plays a significant role in the timeline. Challenges such as limited access for heavy machinery, lack of parking for workers, or difficulty in material delivery can extend the construction period.

Contractor Efficiency

The experience and efficiency of your contractor and their subcontractors are crucial. A skilled team will navigate the complexities of construction more smoothly, potentially speeding up the process.

Project Complexity

The more complex your ADU design, the longer the construction will likely take. Custom features, high-end finishes, and unique architectural elements require additional time and attention to detail.

Ensuring a Smooth Construction Process

To mitigate delays and ensure a smooth construction process, consider the following tips:

Hire Experienced Professionals

Working with a reputable contractor and a skilled architect familiar with ADU projects can significantly impact the efficiency of your build.

Plan for Contingencies

Always factor in extra time for unforeseen delays or challenges that may arise during construction.

Stay Engaged

Regular communication with your construction team will help you stay informed of the project's progress and any potential delays.

Setting Realistic Expectations

Building an ADU is a rewarding venture, but it requires patience and careful planning. Understanding the factors that influence the construction timeline will help you set realistic expectations and prepare adequately for the journey ahead. With Dorothy Homes by your side, you can navigate this process with confidence, knowing that your ADU project is in capable hands.
If you're ready to embark on the ADU building process and want us to help you connect with a contractor, contact us today. Let's bring your dream ADU to life.
What the heck is a pre-built room? Basically, it’s a pre-planned, pre-assembled room, complete with walls, floors, surfaces, plumbing and electrical. We pre-build it in our factory. We load it onto our truck. We roll it into your space. And all you have to do is hook it up.
“There is no place like home.”
—Dorothy Gale
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