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Book a callAccessory Dwelling Units (ADUs) have become a popular solution for homeowners looking to add value to their properties, create additional living space, or generate rental income. In South San Francisco, the demand for ADUs continues to grow as residents seek ways to address housing shortages, provide multi-generational living options, and maximize property usage. This guide provides an in-depth look at everything you need to know about building an ADU in South San Francisco—from planning and permits to construction and final touches.
An Accessory Dwelling Unit, commonly referred to as an ADU, is a secondary housing unit located on the same property as a single-family or multi-family home. These units are fully functional living spaces with their own kitchen, bathroom, and sleeping areas. Types of ADUs include:
ADUs offer flexibility and can be used for various purposes, such as housing elderly family members, creating a home office, or renting to tenants.
South San Francisco, like much of the Bay Area, faces a housing shortage. Building an ADU is a practical way to increase housing availability while making efficient use of existing properties.
ADUs can boost your property value and provide a steady stream of rental income. According to local real estate data, properties with ADUs often sell for a premium compared to those without.
For families in South San Francisco, ADUs offer a way to keep aging parents or adult children close while maintaining privacy and independence.
ADUs typically have a smaller footprint than new home construction and often utilize existing infrastructure, making them a more sustainable housing option.
South San Francisco’s zoning laws dictate where and how ADUs can be built. Key considerations include:
Building an ADU in South San Francisco can range from $150,000 to $400,000 or more, depending on size, type, and finishes. Consider costs for:
The type of ADU you choose should align with your goals and budget. Detached ADUs offer more privacy but are more expensive, while garage conversions are cost-effective but may have space limitations.
Working with an architect experienced in South San Francisco’s ADU regulations can streamline the design process. They will ensure your plans meet local building codes and optimize the use of space.
Maximize the efficiency of your ADU by prioritizing:
Incorporate sustainable features such as:
South San Francisco requires homeowners to obtain permits before constructing an ADU. The process typically involves:
Expect to pay permit fees ranging from $1,500 to $5,000 or more, depending on the complexity of your project.
Coordinate with utility providers to ensure your ADU has access to water, electricity, and sewage. Some projects may require infrastructure upgrades.
Choose a contractor with experience building ADUs in South San Francisco. Request multiple bids and check references to ensure quality and reliability.
Building an ADU can take 6-12 months, depending on the scope of work. Regular inspections by city officials will ensure compliance with building codes.
To reduce impact on your daily life:
Before your ADU is ready for occupancy, it must pass final inspections by the city. Inspectors will verify that all work complies with approved plans and safety standards.
Create a comfortable and inviting space by:
Enhance your property’s curb appeal with:
South San Francisco has specific regulations regarding ADU rentals. For example, some ADUs may require the homeowner to live on-site.
Advertise your unit on rental platforms and emphasize features like:
Conduct thorough background checks to ensure reliable tenants.
While building an ADU can be expensive, options like home equity loans, construction loans, and local grants can help.
If your property has limited space, consider vertical construction or repurposing existing structures.
Work with experienced professionals to expedite the permitting process and address any issues promptly.
Building an ADU in South San Francisco is a rewarding investment that enhances property value, addresses housing needs, and provides versatile living options. By following this guide, homeowners can navigate the process from start to finish with confidence. Whether you’re building an ADU for family use or rental income, careful planning and execution are key to a successful project.
Not sure where to start with your ADU project?