Richmond ADU Standards
Prefab ADU in Richmond
What is an Accessory Dwelling Unit (ADU)?
An ADU is an independent residential unit located on the same lot as a primary home, providing additional living space, rental opportunities, or multi-generational housing. A prefab ADU is a permanent, factory-built backyard home that meets local zoning and building codes, making it ideal for long-term living.
Tiny homes, often confused with prefab ADUs, are small, mobile units built on wheels. While both can be ADUs, prefab ADUs are stationary and built to last, whereas tiny homes face more zoning challenges due to their mobility.
Planning to Build an ADU in Richmond?
With the implementation of ADU regulations, Richmond has seen an increase in accessory dwelling unit construction. If you’re planning to build an ADU in Richmond, LiveLarge is here to guide you through key development requirements for a smooth and successful project.
Types of ADUs:
- Detached: A new structure built separately from the primary residence.
- Attached: A new unit attached to the primary residence.
- Conversion: The transformation of existing space within a primary residence or a detached accessory structure.
- Junior Accessory Dwelling Unit (JADU): A conversion of existing space, up to 500 square feet, entirely within a single-family residence.
Zoning and Lot Size
An ADU that conforms to Section 66314 shall be deemed an accessory use or building and shall not be considered to exceed the allowable density for the lot. It shall also be classified as a residential use that aligns with the existing general plan and zoning designations for the lot. The ADU will not be factored into the application of any local ordinance, policy, or program designed to limit residential growth.
Size and Floor Area
Attached ADU:
- 0-1 Bedroom: Maximum area of 850 sq. ft.
- 2 Bedrooms: Maximum area of 1,000 sq. ft.
- Shall not exceed 50% of the primary residence’s floor area.
- 0-1 Bedroom: Maximum area of 850 sq. ft.
- 2 Bedrooms: Maximum area of 1,000 sq. ft.
Junior ADU (JADU):
- 150-500 sq. ft.
Setbacks and Height
- Attached ADU: Setbacks: 4-foot side/rear setbacks. Height: 16 ft.
- Detached ADU: Setbacks: 4-foot side/rear setbacks; 5 feet from the primary residence; front setback as per underlying zoning regulations. Height: 16 ft.
- Conversion of Existing Area: No setbacks required for the conversion of an existing living area or accessory structure, or for a structure built in the same location and to the same dimensions as an existing structure converted into an ADU.
- Junior ADU (JADU): Setbacks: 4-foot side/rear setbacks.
Parking Requirements
The minimum parking requirements for an ADU shall comply with Article 15.04.607 (Parking and Loading Standards), subject to the following provisions:
- Parking may be provided as tandem parking on an existing driveway or in a setback area.
- No additional parking is required if the ADU is located:
- Within one-half mile walking distance of public transit.
- In an architecturally or historically significant historic district.
- As part of a proposed or existing primary residence or accessory structure.
- In an area requiring on-street parking permits that are not offered to the ADU occupant.
- Within one block of a car-share pickup/drop-off location.
If a garage, carport, or covered parking structure is demolished or converted in conjunction with an ADU, the parking spaces do not need to be replaced.
Contact Information
For more details, contact the Richmond Planning Division at (510) 620-6706 or via email at planning@ci.richmond.ca.us.
Why Choose LiveLarge Prefab ADUs?
LiveLarge Prefab ADUs are designed to meet Richmond’s detached ADU regulations, offering a hassle-free way to maximize property value. With pre-approved designs and expert guidance, we ensure a smooth approval process.
Let LiveLarge be your trusted partner in your ADU journey in Richmond. With our expertise in design, construction, and pre-approved plans, we’ll help ensure your project aligns with local standards and maximizes your property’s potential. Contact us today to get started!
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