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What are the requirements to build ADU in Hawaiian Gardens?
Building an ADU in Hawaiian Gardens allows you to increase your living space and add additional living areas to your property, facilitating hosting family members, generating passive income, or enhancing potential resale value. For a successful project, it's essential to understand Hawaiian Gardens' local regulations and thoroughly evaluate the financial aspects of construction. This guide provides comprehensive insights into Hawaiian Gardens' ADU regulations and key financial considerations, assisting you in planning and executing your project effectively.
ADU regulations for properties with a single-family home
How many ADUs can you build in Hawaiian Gardens?
In Hawaiian Gardens, only one ADU can be built on a lot with a proposed or existing single-family dwelling, whether it is an attached or a detached ADU from the primary building.
How large can an attached ADU be in Hawaiian Gardens?
Attached ADUs can be up to 50 percent of the primary dwelling's floor area. The maximum size for studio or one-bedroom units is 850 square feet, while units with two or more bedrooms can reach up to 1,000 square feet.
How large can a detached ADU be in Hawaiian Gardens?
Detached ADUs can also vary in size, with studios or one-bedroom units allowed up to 850 square feet, and units with two or more bedrooms allowed to extend to 1,000 square feet.
Can I build a 2-story ADU in Hawaiian Gardens?
Yes, in Hawaiian Gardens, you can construct a 2-story ADU.
Is there a minimum size for an ADU?
No, there isn't a minimum size requirement for ADUs in Hawaiian Gardens. However, to create livable spaces, the Building Code will require a minimum size for each room type.
Can I convert the existing space to an ADU?
Yes, converting existing space into an ADU is allowed in Hawaiian Gardens. This can include expanding an existing accessory structure by up to 150 square feet to provide separate entry and exit for the ADU.
What is the maximum height for an ADU?
The maximum height allowed for a detached ADU on a property with a single-family house in Hawaiian Gardens is 18 feet, with the option of an additional 2 feet if necessary to match the roof pitch of the primary dwelling. Attached ADUs should not be over of 25 feet in height or the limit specified by the zoning regulations for the primary dwelling.
ADU regulations for properties with a multi-family building
How many ADUs does Hawaiian Gardens allow for multifamily properties?
Multifamily properties in Hawaiian Gardens can have at least one ADU conversion within an existing building or up to 25% of the total units. Additionally, a maximum of two detached ADUs are allowed.
How large can an attached ADU for a multifamily building be in Hawaiian Gardens?
Attached ADUs in multifamily buildings can occupy up to 50 percent of the primary dwelling's floor area. The maximum size for studio or one-bedroom units is 850 square feet, while units with two or more bedrooms can be as large as 1,000 square feet.
How large can a detached ADU for a multifamily building be in Hawaiian Gardens?
Detached ADUs within multifamily buildings have the same size limits: studios or one-bedroom units can be up to 850 square feet, and units with two or more bedrooms can reach a maximum of 1,000 square feet.
Can I stack detached ADUs on top of each other?
Currently, Hawaiian Gardens does not have guidelines regarding stacking detached ADUs vertically.
Can I attach two ADUs to each other?
Attaching two ADUs is not allowed in Hawaiian Gardens. ADUs should only be attached to the primary building.
Can I convert the existing space to an ADU?
Yes, existing space can be converted into an ADU in Hawaiian Gardens. In multifamily buildings, the existing space should not be used as livable space to qualify for conversion into an ADU.
What is the maximum height for an ADU on a property with a multi-family building
The maximum height for an ADU on a property with a multifamily building in Hawaiian Gardens varies. Detached ADUs can reach up to 18 feet if the lot is within half a mile of a major transit stop or corridor, with an additional 2 feet allowed to match the primary dwelling's roof pitch. However, if the multifamily building exceeds one story, detached ADUs cannot exceed 18 feet. Attached ADUs should comply with a maximum height of 25 feet or the height limit set by the underlying zoning for the primary dwelling.
What ADU types are allowed to build in Hawaiian Gardens?
Hawaiian Gardens provides a variety of options for constructing ADUs:
(1) Detached ADU: A standalone structure, completely separate from the primary residence.
(2) Attached ADU: An extension that is physically connected to the existing home.
(3) Converted ADU: Converting underutilized spaces like garages, sheds, or storage areas into livable units with essential features such as a kitchen and bathroom.
You can either build a new unit or repurpose an existing structure. Converting spaces such as garages or sheds can often help avoid certain restrictions, such as setback and height limits, and may even allow for small expansions. However, renovating older buildings may bring unforeseen challenges that could raise costs.
ADU setbacks from the property lines and other buildings
What are the required setbacks for an ADU in Hawaiian Gardens?
In Hawaiian Gardens, ADUs need a 20-foot setback from the front yard and 4-foot setbacks from the sides and rear. There are no specific guidelines for corner or through lots.
What is the minimum distance the ADU must have from the existing structures?
While it's common for ADUs to be at least 6 feet away from existing buildings in many areas, Hawaiian Gardens does not specify a minimum distance requirement from existing structures.
Are setbacks required when converting existing structures into ADU?
No, setbacks are not required when converting existing structures into ADUs in Hawaiian Gardens.
Can I build an ADU in the front yard of my house in Hawaiian Gardens?
Yes, you can build an ADU in the front yard of your property, but only if there is no other space available to accommodate a minimum 800 sqft unit. You will still need to comply with zoning setback requirements, including a 20-foot front yard setback.
Design requirements for ADU
How many bedrooms can an ADU have?
In Hawaiian Gardens, an ADU can have a minimum of one bedroom, unlike a studio unit.
Does an ADU need to have a kitchen?
Yes, an ADU in Hawaiian Gardens requires a complete kitchen for cooking, unlike JADUs, which may feature efficiency kitchens.
Does an ADU require independent utility meters?
When building an ADU alongside a new single-family home in Hawaiian Gardens, there’s a requirement to set up an independent utility connection between the ADU and the utility provider.
What is the minimum ceiling height?
In Hawaiian Gardens, habitable spaces such as ADUs should comply with the California Building Code's specification of a minimum ceiling height of 7 feet.
Find out the maximum ADU size for your property here
The parking requirements for ADU
What is the parking requirement for an ADU in Hawaiian Gardens?
In Hawaiian Gardens, the parking requirement for an ADU is one off-street parking space per unit. Exceptions include situations where the ADU is near public transit, located in a historic area, part of the main residence, or if on-street parking permits are unavailable to ADU occupants. Parking is also waived if a car share vehicle stop is within one block of the ADU.
Where can I have a parking space on my property?
Parking for an ADU in Hawaiian Gardens can be positioned in setback areas or set up as tandem parking. Moreover, if a garage, carport, or covered parking structure is removed to make room for an ADU or converted into one, replacing those spaces is not required.
How to get permits for your ADU
How long does it take to get an ADU permit in Hawaiian Gardens?
In Hawaiian Gardens, getting an ADU permit generally takes about 3.5 to 4 months. Once your permit drawings are ready, you or your architect need to submit them for a Plan Check. It's a good idea to arrange a pre-plan check meeting with a planner to ensure your application is complete before submitting it.
After submission and payment of fees, the city has 60 calendar days to determine if your application is complete. If there's no response within this timeframe, the permit is automatically approved. If corrections are needed, your designer must make the adjustments and resubmit the plans. The application must demonstrate compliance with ADU requirements, as missing information alone will not lead to denial. The plan check fee for ADU projects in Hawaiian Gardens is about $180.
Does Hawaiian Gardens require in-person submission of plans for an ADU?
Yes, Hawaiian Gardens requires in-person submission of plans for an ADU. You can submit your plans to the Community Development Department, as not all applications are available online.
Does Hawaiian Gardens require coastal development permits?
No, Hawaiian Gardens does not require coastal development permits.
When do you need a licensed professional to design an ADU in Hawaiian Gardens?
Consider consulting a licensed professional like an architect or engineer for ADU design in Hawaiian Gardens, particularly if unconventional construction methods are being planned.
Cost, financing and market value of ADUs
How much does it cost to build an ADU in Hawaiian Gardens?
Constructing an ADU in Hawaiian Gardens typically costs around $380 per square foot, including expenses for permits, architectural design, and engineering services. For example, building a 900-square-foot ADU would generally cost about $390,000, covering both soft and hard costs.
Is it profitable to build an ADU in Hawaiian Gardens?
To assess the financial viability of building an ADU in Hawaiian Gardens, it's essential to compare construction costs with local real estate market values. For instance, a 900-square-foot ADU could be valued at approximately $400,000. Given the construction cost of $390,000, this suggests a potential return on investment of around 5%.
Additionally, profitability considerations may include potential rental income or the benefits of housing family members on the same property.
Can you sell an ADU in Hawaiian Gardens?
AB 1033 allows local agencies in California to establish guidelines for selling ADUs and primary homes as condominiums while maintaining current ADU development standards.
In Hawaiian Gardens, the sale of an ADU should follow local regulations. An ADU can be sold if it was constructed by a qualified nonprofit, if a recorded tenancy in common agreement exists, or if the city permits the separate sale of both the ADU and the primary home as condominiums.
Are ADUs rent-controlled in Hawaiian Gardens?
No, ADUs in Hawaiian Gardens are not subject to rent control regulations. Landlords can annually increase rents under AB 1482, although this law applies exclusively to structures aged 15 years or more.
How do I get money to build an ADU in Hawaiian Gardens?
Explore funding options like the CalHFA ADU Grant Program, which offers grants of up to $40,000 for ADU construction in Hawaiian Gardens. These grants cover various expenses including architectural plans, permits, and site preparation, supporting the state's affordable housing projects.
Find out how much value an ADU could add to your property.
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