San Jose ADU Checklist
The San Jose ADU checklist is an invaluable resource for homeowners and building professionals looking to construct additional dwelling units (ADUs) in San Jose, California. This comprehensive guide outlines the various steps necessary to create a safe and well-constructed ADU.
From obtaining the proper permits to adhering to local building codes and regulations, the San Jose ADU checklist provides a detailed overview of the entire process.
Essential Elements of San Jose ADU Checklist
Minimum Sizing Requirements
| Detached ADU |
Minimum 500 square feet |
| Attached ADU |
Minimum 400 square feet |
| Junior ADU |
Minimum 200 square feet |
Maximum Sizing Requirements
- Detached ADU – No maximum sq. ft.
- Attached ADU – Maximum 800 sq. ft.
- Junior ADU – Maximum 400 sq. ft.
Access Requirements
- Detached ADU – Must have own entry
- Attached ADU – Must have a separate entrance
- Junior ADU – Must share an entrance with main home
Parking Requirements
- One off-street parking space for each ADU
- Exception for Junior ADU – No parking required
Height Requirements
- Detached ADU – Maximum 25 feet
- Attached ADU – Maximum 25 feet
- Junior ADU – Maximum 15 feet
Setback Requirements
- Detached ADU – Minimum 4 feet from side/rear property line
- Attached ADU – Minimum 3 feet from side/rear property line
- Junior ADU – Minimum 2 feet from side/rear property line
Design Requirements
- All ADUs must meet Design Review Board standards
- All ADUs must have a pitched roof
- All ADUs must have a minimum 7:12 roof pitch
Construction Requirements
- Building permits are required for all additions and new construction.
- Design specifications must comply with local building codes and zoning ordinances.
- Plans must include all the necessary information, including floor plans, elevations, and other pertinent information.
Utility Requirements
- All utilities must be installed prior to occupancy, including water, gas, and electricity.
- Proper ventilation and HVAC systems must be installed.
- Plumbing must comply with local codes, and all fixtures must be in working order.
Safety Requirements
- Smoke detectors must be installed in all bedrooms and common areas.
- Carbon monoxide detectors must be installed in all bedrooms and common areas.
- Fire extinguishers must be installed in all bedrooms and common areas.
- All windows must be equipped with window guards.
Occupancy Requirements
- Units must have a minimum of two exits.
- All occupants must be registered with the local government.
- A maximum of two persons can occupy a single bedroom.
- All occupants must be provided with a private living space.
Inspection Requirements
- All units must be inspected before occupancy, including the exterior and interior of the unit.
- An inspection must be conducted after occupancy to ensure compliance with all safety and occupancy requirements.
- A qualified inspector must conduct all inspections.
- All repairs and improvements must be completed prior to occupancy.
Research Local Regulations
- It is essential to research local regulations before constructing an ADU.
- This includes researching the local building codes and zoning regulations to ensure the ADU can be built without violating any laws.
Obtain Building Permits
- The next step in the San Jose ADU checklist is to obtain the necessary building permits.
- This includes filing the necessary paperwork with the local government and obtaining the proper permits for the work.
Submit Plans and Applications
- Once the permits are obtained, the next step in the San Jose ADU checklist is to submit the plans and applications for the project.
- This includes submitting the necessary paperwork to the local government and providing the documentation to prove that the ADU meets all local requirements.
Install Utilities
- The next step in the San Jose ADU checklist is to install the necessary utilities for the ADU.
- This includes connecting the ADU to the local power, water, and sewer systems.
Comply with Zoning Requirements
- Another critical step in the San Jose ADU checklist is ensuring the project complies with the local zoning requirements.
- This includes checking with the local government to ensure the ADU complies with the local requirements.
Faq
Most single-family properties located within San Jose city limits are allowed to build an ADU. With your permission, we can conduct an assessment of the property and tell you more details.
You are spared from having to allocate parking space if your home lies within half a mile of the public transit stop.
ADUs can be leased to tenants, but only for a longer duration. You can only lease this space for more than a month.
Yes, you are allowed to draw utilities for the attached ADU from the main building.
