Accessory dwelling units (ADUs) are a great opportunity to add value to a home. An accessory dwelling unit is simply “having a second small dwelling on the same grounds (or attached to) your regular single-family house.” This could be anything from a small house in the backyard to a basement apartment. For homeowners, adding an ADU not only creates the opportunity for rental income, but according to Renofi, an ADU increases property value by 30%.
Before you break ground on an ADU, you must understand the permitting landscape. This guide is your essential roadmap to ADU permitting.
What do I need to know before building an ADU?
Zoning is the most important layer. ADU regulations are rooted in local zoning ordinances. What’s allowed in one neighborhood will not apply in another. Many jurisdictions have minimum lot sizes for ADUs. There are also setback requirements that determine how far the ADU must be from the property lines and primary dwelling. Regulations also dictate the maximum square footage or the ratio of the ADU’s floor area to the lot size. These are some of the key zoning aspects to be aware of. Be sure to check with your local jurisdiction for the full scope of ordinances.
What are key considerations for building codes when it comes to ADUs?
Once zoning allows an ADU, it must adhere to local building codes. Key considerations include: fire safety, accessibility, sprinkler systems, and energy efficiency. Staying up to date on the latest building code amendments is necessary for avoiding costly rework.
How do I check for utility connections when building an ADU?
Take into consideration how the ADU will connect to essential utitlities like water, sewer, and electricity. Infrastructure+ from Hubexo tracks over 170,000 infrastructure projects including sewage, water, electricity, and road in the planning to development stages. Book a demo here.
Regulations may dictate whether the ADU requires its own utility meter or can share with the primary dwellings. Some jurisdictions charge a fee for new utility connections. Be aware that some existing utility infrastructure may not have the capacity to handle an additional dwelling unit, so prior research is important.
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How do I navigate the permitting process when building an ADU?
The actual permitting process can vary in terms of complexity and duration. Research the specific documents, plans, and surveys required; how long the review process takes and which departments are involved; The number of inspections needed at different stages of construction. Prepare for potential delays due to understaffing and unforeseen issues.
By understanding theses key aspects of ADUs, you will be able to identify promising opportunities and build more efficiently.
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