Do ADUs Increase Property Value? What You Need To Know

An illustration of an ADU for sale

This article does not constitute financial advice, we recommend consulting a professional for your specific situation.

Accessory Dwelling Units (ADUs) are gaining popularity. But do they really increase property value?

This is a question many homeowners and potential buyers are asking as they look to maximize the utility and value of their properties.

Studies have shown that ADUs can increase property value by up to 35% in some cases, and this article will dive into the specifics of why this is the case.

What Are ADUs?

ADUs are secondary housing units on a single-family lot, either attached or detached. They can be a basement apartment, a backyard cottage, or even a garage conversion

People use them for rental income, housing family members, or creating a private space for guests. This flexibility makes them an attractive option for homeowners looking to expand their living space without moving to a new home.

Property Value Impact

ADUs can increase property value. Studies have shown properties with ADUs see a value increase of up to 35%. 

This boost is due to the added living space and rental income potential. 

Moreover, the additional unit can make a property stand out in the real estate market, appealing to a broader range of buyers who are looking for flexible living arrangements.

Rental Income Potential

Probably the main benefit purely from a financial point of view is the rental income if an ADU is being rented out. 

Rental income is appealing to potential buyers from an investment point of view, making properties with ADUs more attractive. Rental income helps to offset the risk involved with purchasing the property, and can be a key decision maker for property investors.

Flexibility and Appeal

ADUs offer flexibility.

Homeowners can use them as rental units, guest houses, or private living spaces for families. This versatility increases a property’s appeal. Buyers see ADUs as a way to meet changing needs over time.

For instance, an ADU can serve as a home office, a living space for aging parents, or even a studio for hobbies and crafts. This adaptability makes properties with ADUs more desirable.

Real-Life Examples

In California, ADUs have become a popular solution for housing shortages, and comparable houses with ADUs tend to sell for higher prices than those without.

This isn’t a guaranteed thing, but it’s a trend that is only getting more popular with the introduction of new ADU laws.

Legal and Zoning Considerations

Local laws and zoning regulations impact the value ADUs add. In areas with favorable ADU regulations, property values tend to rise more. It’s essential to check local laws before building an ADU. Some areas have restrictions that can affect the potential value increase. 

For example, some municipalities may have limitations on the size of the ADU, parking requirements, or occupancy rules. Consulting with local planning authorities can provide clarity and ensure compliance with all regulations.

Cost vs. Value

Building an ADU costs money, like a lot.

The average cost ranges from $20,000 to $150,000, depending on the size and type.

Obviously this is a major thing to factor in when looking at potential overall property value increases – if you’re spending more to construct the ADU than the potential rise in property value, you may need to double-check whether the project is feasible.

Maintenance and Management

Owning an ADU comes with responsibilities. Regular maintenance and management are crucial to ensure the unit remains in good condition and continues to add value to the property. 

This includes routine inspections, repairs, and tenant management if the ADU is rented out. Properly maintained ADUs can continue to enhance property value over the long term.

FAQs

Do ADUs increase property value?

ADUs can increase property value by providing additional living space and rental income potential.

How much value does an ADU add?

ADUs can increase house prices by up to 35% on average, but there are exceptions to this rule.

What factors influence the value increase?

Factors include local zoning laws, rental demand, and the cost of building the ADU.

Are ADUs worth the investment?

In many cases, ADUs are worth the investment, but it does vary on a case by case basis. 

They can offer a good return on investment, as long as you’ve got your numbers right. ADUs used for rental income tend to make a more worthwhile investment, while custom ADUs can be great for specific buyers who are looking for a lifestyle change.

What are the ongoing costs associated with an ADU?

Ongoing costs can include maintenance, utilities, property taxes, and management fees if rented out.

Wrapping It Up

ADUs can be very beneficial for property value in many cases; it’s just important to factor in the full cost of construction.

They offer additional living space, rental income potential, and flexibility, making properties more attractive to buyers both from an investment point of view, but also from a lifestyle perspective as well.

While building an ADU requires an upfront investment, the potential value increase often justifies the cost. Always check local zoning laws and regulations to ensure your ADU project is feasible and beneficial.

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