How to Build an ADU: A Step-by-Step Guide

Building an Accessory Dwelling Unit (ADU) can be a great way to add additional living space to your property and provide a source of rental income. However, the process of building an ADU can be complex and confusing for those who have never done it before. In this blog post, we will provide a step-by-step guide on how to build an ADU, including information on zoning laws, permits, and design considerations.

Step 1: Research Local Zoning Laws

The first step in building an ADU is to research local zoning laws. Each municipality has its own zoning laws that govern the construction of ADUs, including regulations on size, location, and design. Make sure you are aware of the laws and regulations in your area before you begin the building process.

Step 2: Obtain Building Permits

Once you are familiar with the local zoning laws, you can begin the process of obtaining building permits. The permit process will vary depending on the municipality, but generally, plans and specifications for the ADU will need to be submitted to the local building department for review. It is important to note that building permits are mandatory and required for ADU construction.

Step 3: Design and Plan

Once you have obtained the necessary permits, it's time to design and plan your ADU. Consider the size and layout of the unit, as well as the materials you will use. It's a good idea to consult with an architect or builder to ensure that your plans are in compliance with local laws and regulations.

Step 4: Hire a Builder

Once you have a detailed plan and design, it's time to hire a builder. Make sure to select a builder that is experienced in building ADUs, and that you are comfortable working with.

Step 5: Construction

The next step is the actual construction of the ADU. The construction process will vary depending on the size and complexity of the unit, but it's important to work closely with your builder to ensure that the project stays on schedule and within budget.

Step 6: Inspection

After the ADU is built, you will need to have it inspected by the local building department. This is to ensure that the unit meets all local building codes and regulations. Once the ADU passes inspection, you will be issued a certificate of occupancy, which is required before you can rent or occupy the unit.

In conclusion, building an ADU can be a great way to add additional living space to your property and provide a source of rental income. However, the process can be complex and confusing for those who have never done it before. By following the steps outlined in this guide, you can ensure that your ADU project is completed on time, within budget and in compliance with local laws and regulations. Remember, it is important to check with the local authorities for specific laws and regulations in your area. Because laws and regulations can change over time, it is a good idea to check for any updates before starting construction.