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Burlingame ADU Zoning And Building Standards

Navigating the zoning and building standards for Accessory Dwelling Units (ADUs) in Burlingame can be complex. This comprehensive guide provides the essential information you need to understand the requirements and create your dream ADU in compliance with local regulations.

Our team of experienced professionals is well-versed in Burlingame’s ADU zoning and building standards. We can guide you through the process, from initial planning to final construction, ensuring that your ADU meets all legal requirements and exceeds your expectations.

Burlingame ADU Zoning and Building Standards

Property Requirements

Before starting your ADU project, it’s crucial to understand the property requirements in Burlingame. These requirements vary depending on the zoning of your lot, such as single-family, duplex, or multi-family.

Building Size

The allowed building size for your ADU is determined by the zoning of your property. Single-family, duplex, and multi-family zoned lots have different size restrictions, which we will discuss in detail below.

  • Single-Family Zoned:

Lots Single-family zoned lots in Burlingame allow for the construction of both attached and detached ADUs. The maximum size of the ADU depends on the size of your lot and the existing primary dwelling.

  • Duplex Family Zoned Lots:

Duplex family zoned lots in Burlingame have slightly different requirements for ADUs compared to single-family lots. Both attached and detached ADUs are allowed, with specific size limitations based on the existing structures.

  • Multi-Family Zoned Lots :

Multi-family zoned lots in Burlingame offer more flexibility in terms of ADU construction. Both attached and detached ADUs are permitted, with varying size restrictions.

  • Attached ADUs:

Attached ADUs on multi-family lots can be up to 50% of the primary dwelling’s living area.

  • Detached ADUs:

Detached ADUs on multi-family lots have a maximum size of 1,200 square feet.

Owner-occupancy

In Burlingame, owner-occupancy is not required for properties with ADUs. This means that both the primary dwelling and the ADU can be rented out, providing more flexibility for property owners.

Number Of Units Allowed

The number of ADUs allowed on a property in Burlingame depends on the zoning. Single-family and duplex lots are allowed one ADU, while multi-family lots may be permitted to have multiple ADUs, subject to certain conditions.

Burlingame Building Height

The maximum allowed building height for ADUs in Burlingame varies based on the zoning of the property. It’s essential to understand these limitations to ensure your ADU design complies with local regulations.

  • Single-family: Single-family zoned lots in Burlingame have a maximum building height of 28 feet for detached ADUs. Attached ADUs must comply with the height restrictions of the primary dwelling.
  • Duplex family: Duplex family zoned lots have a maximum building height of 28 feet for detached ADUs. Attached ADUs must adhere to the height limitations of the existing duplex structure.
  • Multi-family: Multi-family zoned lots in Burlingame allow for a maximum building height of 28 feet for detached ADUs. Attached ADUs must comply with the height restrictions of the primary multi-family building.

Belmont Building Size

The maximum allowed building size for ADUs in Burlingame varies depending on the zoning of the property. It’s crucial to understand these size limitations to ensure your ADU design is compliant.

  • Single-Family Freedom: Single-family zoned lots in Burlingame have the most flexibility in terms of ADU building size. Detached ADUs can be up to 1,200 square feet, while attached ADUs can be up to 50% of the primary dwelling’s living area.
  • Duplex house: Duplex family zoned lots in Burlingame have slightly more restrictive ADU building size requirements. Detached ADUs can be up to 1,000 square feet, and attached ADUs can be up to 50% of the existing duplex’s living area.
  • Multi-Family Mix: Multi-family zoned lots in Burlingame offer a mix of ADU building size options. Detached ADUs can be up to 1,200 square feet, while attached ADUs can be up to 50% of the primary multi-family dwelling’s living area.

Fire Safety Regulations

ADUs in Burlingame must comply with local fire safety regulations. This includes proper fire-resistant construction materials, smoke alarms, and carbon monoxide detectors. Adequate fire separation between the ADU and the primary dwelling is also required.

Parking

Parking requirements for ADUs in Burlingame are designed to ensure sufficient off-street parking for both the primary dwelling and the ADU. The specific parking requirements depend on the zoning and characteristics of your property.

Utility Connections

ADUs in Burlingame must have proper utility connections, including water, sewer, electricity, and gas (if applicable). In most cases, ADUs can connect to the existing utility lines of the primary dwelling, but some situations may require separate connections.

Setbacks

Setback requirements for ADUs in Burlingame ensure that the units are positioned appropriately on the property. The specific setback requirements vary based on the zoning and whether the ADU is attached or detached.

Zoning Regulations

Burlingame has specific zoning regulations that govern the construction of ADUs. These regulations vary depending on whether your property is zoned for single-family, duplex, or multi-family use.

Burlingame ADU Zoning Regulations

Single Family

Single-family zoned properties in Burlingame have the most flexibility in terms of ADU construction. Both attached and detached ADUs are allowed, with generous size allowances and relatively relaxed setback requirements.

Duplex Family

Duplex family zoned properties in Burlingame have slightly more restrictive ADU regulations compared to single-family properties. However, both attached and detached ADUs are still permitted, with specific size and setback requirements.

Multi-Family

Multi-family zoned properties in Burlingame have the most varied ADU regulations. While both attached and detached ADUs are allowed, there are specific requirements for size, setbacks, and the number of units permitted based on the characteristics of the property.

RF Zone Minimum Lot Area

In Burlingame In Burlingame RF Zone, minimum lot sizes range from spacious single-family homes (RF-20) to sprawling estate properties (RF-40), ensuring ample space for your ADU and lifestyle.

  • RF-20: Minimum lot size of 20,000 square feet, allowing for generous ADU construction.
  • RF-30: Minimum lot size of 30,000 square feet, providing even more space for your ADU.
  • RF-40: Minimum lot size of 40,000 square feet, perfect for larger ADUs and expansive properties.

Room Specifications

When designing your ADU in Burlingame, it’s important to consider the specifications for each room to ensure comfort, functionality, and compliance with local regulations.

Burlingame ADU Room Specifications

Room TypeSpecifications
Bathroom– Minimum size: 50 sq. ft.
– Ventilation required
– Water-resistant flooring
– Ground fault circuit interrupter (GFCI) outlets
– Proper plumbing and drainage
Kitchen– Minimum size: 50 sq. ft.
– Adequate counter space
– Proper ventilation
– Electrical outlets for appliances
– Fire-resistant materials near cooking surfaces
Sleeping Areas– Minimum size: 70 sq. ft.
– Egress window or door required
– Proper ventilation
– Smoke and carbon monoxide detectors
– Adequate electrical outlets
Storage– Minimum size: 50 sq. ft.
– Easily accessible
– Well-ventilated
– Pest-resistant construction
– Proper lighting and electrical outlets

Burlingame Requirements

Burlingame has specific requirements for different types of ADUs, including detached ADUs, attached ADUs, and Junior ADUs (JADUs). Understanding these requirements is crucial for a successful ADU project.

Detached ADU Burlingame: Detached ADUs in Burlingame must be separate structures from the primary dwelling. They have specific requirements for size, setbacks, and building height, which vary based on the zoning of the property.

Attached ADU Burlingame : Detached ADUs in Burlingame must be separate structures from the primary dwelling. They have specific requirements for size, setbacks, and building height, which vary based on the zoning of the property.

JADU Burlingame : Attached ADUs in Burlingame are connected to the primary dwelling, either by sharing a wall or being located within the existing structure. They must comply with the size, setback, and building height requirements for the specific zoning.

JADU Burlingame

Junior ADUs (JADUs) in Burlingame are smaller units that are contained entirely within the primary dwelling. They have specific size limitations and must include an efficiency kitchen and separate entrance.

  • Proof of income: Landlords typically require proof of income to ensure tenants can afford the rent.
  • Credit score: Many landlords set minimum credit score requirements for prospective tenants.
  • Rental history: Providing a positive rental history can help tenants secure an ADU rental.
  • Application fee: Landlords may charge an application fee to cover the cost of background and credit checks.
  • Security deposit: A security deposit is typically required to protect the landlord against damages.
  • Proof of renter’s insurance: Some landlords may require tenants to carry renter’s insurance to protect their personal belongings and provide liability coverage.
  • Pet policy: Landlords should clearly state their pet policy, including any restrictions on size, breed, or number of pets allowed.
  • Smoking policy: It’s important for landlords to establish and enforce a clear smoking policy for the ADU.

Development Standards For Burlingame

ADU Burlingame has specific development standards for ADUs based on the type of unit and the zoning of the property. These standards ensure that ADUs are built safely and in compliance with local regulations.

ADU TypesDevelopment Standards Specifications
Single-family– Maximum size: 1,200 sq. ft.
– Minimum setbacks: 4 ft. side and rear
– Maximum height: 28 ft.
– Parking requirements based on ADU size
– Owner-occupancy not required
Duplex– Maximum size: 1,000 sq. ft.
– Minimum setbacks: 4 ft. side and rear
– Maximum height: 28 ft.
– Parking requirements based on ADU size
– Owner-occupancy not required
Multi-family– Maximum size: 1,200 sq. ft. (detached), 50% of primary dwelling (attached)
– Minimum setbacks: 4 ft. side and rear
– Maximum height: 28 ft.
– Parking requirements based on ADU size
– Owner-occupancy not required
Junior ADUs (JADUs)– Maximum size: 500 sq. ft.
– Must be within primary dwelling
– Efficiency kitchen required
– Separate entrance required
– No additional parking required

Burlingame Property Designations For ADU

When planning your ADU in Burlingame, it’s crucial to consider any special property designations that may impact the construction process or require additional permits.

  • Flood zones: Properties located in designated flood zones may require additional permits and flood-resistant construction techniques.
  • Geohazard zones: If your property is located in a geohazard zone, such as an area prone to landslides or earthquakes, additional engineering and safety measures may be required.
  • Easements: It’s important to identify any easements on your property that may restrict the placement or size of your ADU.

ADU Permit Requirements And Fees

Building an ADU in Burlingame requires obtaining the necessary permits and paying the associated fees. The most common permits required for ADU construction include:

Burlingame ADU Permit Requirements and Fees

  • Building Permit: A building permit is required for all ADU construction projects in Burlingame.
  • Electrical Permit: An electrical permit is necessary for any electrical work associated with your ADU.
  • Plumbing Permit: If your ADU requires new plumbing or modifications to existing plumbing, a plumbing permit is required.
  • Other Permits: Depending on the specifics of your ADU project, additional permits may be needed, such as a mechanical permit for HVAC work or a grading permit for site work.

Design Your Dream ADU Today!

Now that you have a comprehensive understanding of Burlingame’s ADU zoning and building standards, it’s time to start designing your dream ADU. Our team of experts is here to guide you through the process, from initial concept to final construction. Contact us today to schedule a consultation and take the first step towards creating your perfect ADU in Burlingame.

FAQ’s

Yes, but specific setbacks and design considerations apply. Contact the Woodside Planning Department for detailed guidance on navigating unique lot shapes.

Some lenders offer ADU loans, but traditional home loans can also be used for ADU construction, especially if they add value to your property.

Yes! The State of California offers various ADU incentive programs, including grants for low-income homeowners and developers. Research state and local programs to see if you qualify for financial assistance.

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