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Check if an ADU Will Fit In Your Yard
    Not enough setback from property lines or main house.
    Not available
    Instant permitting is not yet available in Santa Clara County.
    L-350
    L-500
    L-750
    L-795
    L-1190
    Total Area : 350 sq.ft.
    FAQ
    • General ADU Information
    • ADU Regulations in California
    • Building an ADU
    • ADU Permits
    • ADU Financing
    • Design and Customization
    FAQHave Questions About Your ADU?
    General ADU Information Have Questions About Your ADU?
    General ADU Information
    What is an ADU?
    An Accessory Dwelling Unit (ADU) is a supplementary living space that exists alongside the main residence. ADUs can be integrated into the primary home, repurposed from existing areas, or built as separate structures. In California, ADUs are required to include essential living features such as sleeping, cooking, and bathroom facilities, making them fully functional and habitable homes.
    Why Are ADUs Gaining Popularity?
    Accessory Dwelling Units (ADUs) are gaining popularity for their ability to enhance property value, provide additional living space, and generate rental income through long-term leases or platforms like Airbnb. In California, recent laws have streamlined the approval process and reduced restrictions, making ADUs a cost-effective alternative to buying a new home. These incentives aim to increase housing density while maintaining neighborhood charm, making ADUs an appealing solution amid housing shortages.
    What Are the Regulations for ADUs in California?
    In California, ADUs under 800 square feet are subject to a streamlined set of standard regulations that all local jurisdictions must adhere to. Local authorities cannot impose more restrictive rules regarding the structure's height, design, lot ratios, or setbacks. These smaller ADUs can be built as close as 4 feet from property lines and can reach a height of up to 16 feet. While ADUs can be as large as 1,200 square feet, local jurisdictions regain some regulatory control for units exceeding 800 square feet, allowing them to enforce additional local regulations.
    Is Investing in an ADU a Good Choice?
    Investing in an ADU in the Bay Area is a smart choice, especially given California's soaring housing prices. Here are four key reasons to consider:
    • Increased Demand for Space: The rise in remote work has led to greater demand for additional living spaces.
    • Enhanced Property Value: Adding an ADU can significantly boost your property’s value in high-demand areas.
    • Rising Rental Prices: Rents in the Bay Area have increased by nearly 100% over the past several years, making an ADU a lucrative rental option.
    • Supportive Legislation: California has enacted laws that simplify the ADU development process, making it easier for homeowners to invest.
    LiveLarge can help you navigate this process and maximize your investment potential!
    How Can Adding an ADU Increase Property Value?
    Adding an ADU can boost your property's value in several ways:
    • Rental Income: An ADU can provide extra income, making your property more appealing.
    • More Space: It adds square footage, which attracts buyers looking for larger homes.
    • Versatility: An ADU can be used for guests, a home office, or multi-generational living, making your property more flexible.
    • Market Appeal: Properties with ADUs are often more sought after, leading to increased resale value.
    Prefab ADUs are also gaining popularity because they save time and simplify the building process, making them an attractive option for homeowners.
    Am I able to post my ADU on short term rental websites like AirBNB?
    It varies city by city, we can work with you to determine local laws and regulations around short term rentals.
    Can I lease both the main house and the ADU at the same time?
    Typically yes, but again, it depends on the city in which the main house is located.
    ADU Regulations in California Have Questions About Your ADU?
    ADU Regulations in California
    What Are the Regulations for ADUs in California?
    In California, Accessory Dwelling Units (ADUs) under 800 square feet must comply with a standardized set of regulations across all local jurisdictions. These statewide rules prevent additional restrictions on the design, height, lot coverage, and setbacks of ADUs. For example, ADUs can be built as close as 4 feet from property lines and can have a maximum height of 16 feet. Although ADUs can be up to 1,200 square feet, local jurisdictions have more flexibility to impose specific regulations once the size exceeds 800 square feet.
    What are the new laws regarding ADUs in California effective in 2024?
    • AB 68: Landlords can add two units to their existing lot, including an attached or detached ADU up to 1,200 square feet and a Junior ADU (JADU) up to 500 square feet.
    • AB 434: All cities must have a pre-approved ADU plan scheme in place by January 1, 2025. These plans will be designed by architects and available online, with potential fees for access and modifications.
    • SB 477: Consolidates state law governing ADUs and JADUs into a new Government Code Chapter and mandates public access to related reports online.
    What are the new regulations for ADUs on single-family lots?
    Single-family lots can now build an attached or detached ADU up to 1,200 square feet, along with a Junior ADU (JADU) up to 500 square feet.
    What changes apply to attached Junior ADUs (JADUs)?
    Attached JADUs no longer need to have their own bathroom, as long as one is accessible in the primary dwelling.
    What are the statewide regulations for ADUs under 800 square feet?
    ADUs under 800 square feet must follow standardized statewide regulations that prevent local jurisdictions from imposing additional restrictions on design, height, lot coverage, and setbacks.
    Can an ADU Be the Main Home or the Only Building on a Property?
    While ADUs are intended to be supplementary living spaces alongside a primary residence, they can technically serve as the main home if needed. To use an ADU as the primary residence, you must secure the appropriate permits and follow a different approval process than what is required for a standard ADU permit.
    Building an ADU Have Questions About Your ADU?
    Building an ADU
    Do I need permits to build an ADU?
    Yes, constructing an Accessory Dwelling Unit (ADU) typically requires permits from your local building department. Permit requirements can vary based on local regulations and generally include zoning approval, building permits, and possibly additional permits like historic preservation reviews or environmental clearances. Consulting with ADU specialists or architects can help clarify the specific requirements for your area.
    What are the different types of ADUs?
    Accessory Dwelling Units (ADUs) come in various forms to accommodate different needs and properties. Here are some common types:
    • Detached Cottages: Standalone structures that provide privacy and can be customized to match the primary home’s design. Ideal for larger yards.
    • Garage Conversions: Existing garages transformed into living spaces, maximizing the use of available structures without the need for new construction.
    • Basement Apartments: Utilizing existing basement space, these units often require minimal changes and can be a cost-effective solution.
    • Attached Additions: Expanding the primary residence by adding a unit directly to it, which can provide seamless integration while maintaining accessibility.
    • Junior ADUs (JADUs): Smaller units (typically up to 500 square feet) created within the existing footprint of a home, often by converting a portion of the primary living area.
    • Tiny Houses: Compact living spaces that can be mobile or stationary, offering a minimalist lifestyle. These may be suitable for smaller lots or specific zoning areas.
    The best option for your property will depend on factors such as available space, local zoning laws, and your personal preferences. Consulting with professionals can help you determine the most suitable type of ADU for your needs.
    What are the benefits of prefab ADUs?
    Prefab ADUs are becoming increasingly popular for their ease and speed of construction. LiveLarge Home specializes in prefab ADUs, which can save up to 80% of onsite construction time, often with no hidden costs. Attractive pricing starts as low as $365/sqft, making them a cost-effective solution for homeowners.
    How does LiveLarge Home ensure quality in their ADU designs?
    LiveLarge Home focuses on healthier living by maximizing daylight and ensuring energy efficiency in their designs. Their goal is to provide comfortable and sustainable living spaces that meet modern standards.
    Can I build an ADU on an empty lot?
    • Can not build an ADU before you have a city proven plan for the main house
    • We can refer you to LADC to do the main house plan + ADU location. Get income/ live there before main house get build
    I have an existing working ADU plan/ design in progress but want to work with LL, what should I do?
    • Share existing plan
    • Discuss with ADU managers on incurred design fee & permit fee & see if LLH can cover some as Credit. Case by case discussion.
    What do I need to do as a homeowner for crane work?
    • If the craning plan involves craning the unit over a property that is not yours, we will require a neighbor sign-off document from the affected neighbors.
    • Neighbor sign-off template
    • Discuss with the customer after contract & before submit permit to the city
    What to do if there is any damage to the landscape due to crane work?
    This is the responsibility of the homeowner to repair and/or work with a landscape company to remedy. As an ADU company we are experts in delivering your LiveLarge unit but we are not responsible for damage to landscaping as a result of the craning part of your project.
    Do you have a warranty?
    We provide a 10 year structural warranty as required by the state.
    • Appliances : follow appliance maintenance
    • Cabinets/ kitchen : 1 year warranty
    • Structure - 10 year bases , follow State requirement/ Same as standard structure warranty.
    • Plumbing & Electrical - 2 years
    • Doors and windows - 5 years
    Is Roof inspection required by the city inspection?
    Only the connection part needs to be inspected. Other part of the roof is already inspected in the factory
    What is the material of the roof?
    Metal Tile
    What is the slope of the roof?
    L-795 model is 3 height :12 length slope (need info on the rest)
    Lifespan for LiveLarge ADU?
    same or longer than normal stick built. Built under CRC (California Residential Code), fully approved and inspected by CA HCD (https://www.hcd.ca.gov/manufactured-and-mobilehomes)
    ADU PermitsHave Questions About Your ADU?
    ADU Permits
    What Is the First Step in Obtaining Permits for Building an ADU?
    The initial step in obtaining permits for constructing an Accessory Dwelling Unit (ADU) is to research the zoning and building codes specific to your property and jurisdiction. Contact your local city or county planning department to understand the regulations and requirements for ADU construction in your area.
    How Do I Determine If My Property Is Eligible for ADU Construction?
    To determine if your property qualifies for ADU construction, check key factors such as lot size, zoning designation, setbacks, and other local requirements. Some areas impose restrictions on ADU size, location, and occupancy. Verify your property's eligibility by consulting with your local planning department.
    What Documents Are Required for the ADU Permit Application?
    The permit application for an ADU generally requires several documents, including detailed ADU plans, site plans, property surveys, and other necessary paperwork. Collaborate with an architect, designer, or contractor to create comprehensive drawings and specifications that meet building codes and regulations.
    How Long Does the Permit Review Process Take?
    The duration of the permit review process can vary based on the workload of the building department and the complexity of your project. On average, it may take several weeks to a few months for your ADU plans to be reviewed and approved depending on your city/counties. Check out our Permit section. (Link)
    What Happens After the Permit Is Issued?
    For traditional build, usually After your ADU plans receive approval, you'll be issued the necessary permits to start foundation construction. Follow the approved plans and schedule inspections at different stages of the build, such as foundation, framing, plumbing, and electrical, to ensure compliance with building codes.
    How Do I Schedule Inspections During Construction?

    Traditional Stick Build : To schedule inspections during ADU construction, contact your local building department. Inspections are required at various stages, including foundation, framing, plumbing, electrical, and final inspection, to confirm adherence to building codes and regulations.

    Prefab with LiveLarge ADU service: we take care of everything.

    What Is the Final Step in the ADU Permit Process?
    The final step is to arrange a final inspection with the building department to confirm that your ADU complies with all applicable building codes and regulations. Once your ADU passes this inspection, you'll receive final approval, completing the permit process.
    Can I Occupy and Use the ADU After Final Inspection?

    After securing all necessary permits and passing inspections, you can legally occupy and use your ADU as planned—whether for rental income, family housing, or other purposes. Ensure you continue to follow all local regulations and requirements.

    LiveLarge Prefab ADU is built under supervision of HCD California Department of Housing and Community Development https://www.hcd.ca.gov. Each LiveLarge prefab ADU will receive an insignia from HCD supervisor and it is categorized as a real property, different from a mobile home which only belongs to personal property.

    ADU FinancingHave Questions About Your ADU?
    ADU Financing
    What Loan Options Are Available for Building an ADU?
    Several financing options are available for funding the construction of an Accessory Dwelling Unit (ADU). These include home equity loans, home equity lines of credit (HELOCs), construction loans, cash-out refinancing, and various government programs.
    How Do Home Equity Loans and HELOCs Work for ADU Financing?
    Home equity loans and HELOCs allow homeowners with significant equity in their property to borrow against it. A home equity loan provides a lump sum of money, while a HELOC offers a revolving line of credit. Both options typically feature lower interest rates and can be used to finance ADU construction.
    What Is a Construction Loan and How Does It Apply to ADUs?

    A construction loan is designed specifically for financing the construction of new buildings or renovations, including ADUs. These loans often come with variable interest rates and require a detailed construction plan. Upon completion of the ADU, the construction loan may be converted into a traditional mortgage.Stick build this works

    For prefab - heloc loan / home equity loan/cash-out refinancing

    Can I Use Cash-Out Refinancing to Fund ADU Construction?
    Yes, cash-out refinancing allows homeowners to refinance their existing mortgage and take out a larger loan amount, receiving the difference in cash. This option can provide the funds needed for ADU construction while potentially securing a lower interest rate on your mortgage.
    Are There Government Programs or Incentives for ADU Financing?
    Certain local governments offer programs or incentives for financing ADUs, such as low-interest loans, grants, or tax credits. These programs are designed to promote affordable housing and encourage the development of ADUs.
    What Is an FHA 203(k) Loan and How Does It Apply to ADU Construction?
    An FHA 203(k) loan enables homebuyers to finance both the purchase of a property and the cost of renovations, including ADU construction, with a single mortgage. This loan option is ideal for properties needing substantial repairs or improvements.
    How Do I Choose the Right Loan Option for ADU Construction?
    To select the best loan option for ADU construction, consider factors such as interest rates, repayment terms, closing costs, and eligibility requirements. Comparing multiple lenders and loan products can help you find the most suitable financing for your ADU project.
    Should I Consult a Financial Advisor or Mortgage Broker Before Choosing a Loan?
    Yes, consulting with a financial advisor or mortgage broker can provide valuable insights and personalized guidance in the loan selection process. They can help you understand your financial situation and recommend the best loan options for your ADU construction needs.
    Does LiveLarge Home have financial partners to help customers with financing?
    We have a list of preferred lenders who can help our customers with Heloc Loan and Home Equity loans.
    Do we have financing partners?
    We have a Preferred Lender List (https://drive.google.com/drive/folders/1q-yho9-b-n-kmBlF-7ZfqiBwMAEX9CYs)
    Is financing ADU different from a normal home?

    Yes

    • The loan is different from a typical home purchase loan.
    • Most clients use a HELOC or Home Equity Loan when they purchase ADUs. We can refer you to a loan originator and discuss this further if you have more questions.
    • Crosscountry mortgage
    • For serious clients reach out to Hong Hu, saying Mick sent you: (408) 781-5509
    Do I need to pay additional sales taxes on my unit or project? What sales tax can I expect?
    Sales tax is added only to the ADU unit cost, not the site work. Sales tax is unique to the city where you’re constructing the ADU. To find the sales tax associated with your city or town, please reference this link. You can also reach out to the Live Large sales team to prepare a general estimate of your project.
    How does adding an ADU in my backyard affect my proposition 13 tax benefits?
    Your current Proposition 13 protections for your main home remain intact. The existing property tax assessment on your primary residence will not change or be reassessed due to adding an ADU.
    What changes can I expect to see with my property tax bill / assessed value?
    The ADU itself will be assessed separately and added to your existing property tax bill. Typically, you will be taxed around 1.2% of the ADU's assessed market value. This new assessment is then added to your current California property tax bill.
    Design and Customization:Have Questions About Your ADU?
    Design and Customization:
    What Types of Designs Are Available for Prefab ADUs?
    LiveLarge Home prefab ADUs come with a range of design options to fit different needs and preferences. You can select from studio units, one-bedroom, two-bedroom, and even three-bedroom layouts. LiveLarge offers 2-3 elegant color choices and provides 7 thoughtfully designed floor plans to help you find the perfect match for your space.
    What are the accessibility Features
    • We offer an ADA compliance upgrade package for L-350, L-500, L-750, L-1190
    • For L-795, we are not able to offer a full ADA compliance package due to hallway width and door size, but are able to accommodate ADA shower bar / ramp.
    Can I add a window / door?

    No

    • Because it is a pre approved plan by the State. This is what allows us to move quickly through the permitting process. As such, we are not able to change the designs that have already been approved.
    • Adding approved window - need to go through title 24 requirement. We have a max out window for daylight.
    Our Advantages
    • We are using 3 layer insulation glass operable windows, max energy efficiency for ADU floor plan.
    Can I choose an exterior Painting color?
    Yes, we offer 6 free paint colors.(Picture)
    Can the unit’s interior be painted at the factory?
    Yes. Paint in the factory
    What is the additional cost for painting and what choices are available?
    No, we do not offer interior painting options yet.
    What are the interior finishes and materials?
    Yes. Paint in the factory
    What is the appearance of the wall section?
    Yes , request only.
    Does it resemble a stick-built wall?
    Yes. The same except replacing wood structure with light steel frame structure.
    Can we add gas appliances?
    Yes. The same except replacing wood structure with light steel frame structure.
    Are your ADUs compatible with solar installation, and can we work with our own solar provider?
    All of our ADUs are ‘solar ready’ meaning that installation is a breeze from your local solar provider. We also have the ability to work with your preferred installer to make installation a breeze.
    Do we have solar partners?
    Yes. We have several recommended solar partners (Partners Link/Referral Program)
    Will LiveLarge provide Roof Maintenance?
    Standard maintenance required (warranty info)
    Is the solar panel required?
    Yes, it is required for 795 & 750. Depends on whether the main house has a solar panel.
    How frequent should the roof be maintained? Any difference from stick build?
    (Need help on this)
    What's the difference between crawl space and slab foundations
    Crawl Space Foundations:
    • Structure: A crawl space foundation elevates the home off the ground, typically by 1 to 3 feet, creating a small space between the ground and the floor of the home. LLH crawl space height?
    • Access: The crawl space allows easy access to plumbing, electrical wiring, and HVAC systems, making repairs and maintenance more convenient.
    • Ventilation: Crawl spaces are often vented to prevent moisture buildup. Need to be properly sealed, so they can be prone to moisture issues, mold, and pests.
    • Insulation: They can be insulated, but care must be taken to prevent moisture from entering the space.
    • Cost: Generally more expensive than slab foundations due to the additional materials and labor required for construction.
    • Usage: Common in areas with a high water table or where the soil expands and contracts, as they help to keep the structure stable.
    Slab Foundations:
    • Structure: A slab foundation is a solid concrete pad poured directly on the ground, with the house built on top of it.
    • Access: Since there is no space beneath the home, access to plumbing and electrical systems embedded in the slab can be difficult and costly if repairs are needed.
    • Moisture Resistance: Slabs are less prone to moisture issues compared to crawl spaces, as they are solid and do not have a space where moisture can accumulate.
    • Insulation: Slab foundations can be insulated, but typically provide less natural insulation compared to a crawl space.
    • Cost: Slab foundations are generally less expensive to build than crawl spaces due to the simplicity of construction.
    • Usage: Common in warmer climates where frost heave is not a concern and where a level, stable foundation is needed.