ADU Builder San Jose
Accessory Dwelling Units (ADUs) are secondary residential units located on the same property as a primary residence
ADU Builder San Jose
Building an ADU (Accessory Dwelling Unit) in San Jose has become an increasingly attractive option for homeowners looking to expand their property’s functionality and value. As housing costs rise and space becomes a premium, ADUs provide a practical and versatile solution, offering benefits ranging from additional income to accommodating extended family.
Why Choose an ADU in San Jose?
San Jose’s ADU-friendly policies and streamlined permitting processes make it easier than ever to start an ADU project. The city has embraced ADUs as a solution to help alleviate housing shortages while supporting property owners in maximizing their property’s potential.
High Demand for Housing: San Jose has a growing need for affordable housing, and ADUs provide an effective way to add livable space without requiring new land development.
Adaptable Space Options: Whether for rental, a guest suite, or a home office, an ADU offers unmatched flexibility in usage, making it ideal for San Jose’s diverse community needs.
Income Potential : With a high demand for rentals, ADUs can serve as a steady income source for homeowners. Many San Jose residents rent out ADUs for short-term or long-term stays, contributing to financial stability.
Design and Zoning Requirements
The City of San Jose has established specific guidelines for ADU construction to ensure they integrate well into existing neighborhoods. Key regulations include:
01
Size Limitations
Detached ADUs are typically capped at 1,200 square feet, while attached ADUs have specific percentage limitations relative to the main house’s size.
02
Setbacks and Height Restrictions
ADUs must adhere to setback requirements, usually 4-5 feet from the rear and side property lines, and have height restrictions to minimize impact on neighboring properties.
03
Parking Requirements
Generally, ADUs require one additional parking space unless the property is near public transit or within specific designated areas.
San Jose ADU Policies and Support
San Jose’s local government has actively worked to encourage ADU development by implementing policies that simplify the building process:
Permit Streamlining:
San Jose has worked to simplify ADU permits, with programs to reduce wait times and make approval faster.
Pre-Approved ADU Plans
To help homeowners avoid the lengthy design approval process, San Jose offers pre-approved ADU plans. These plans meet local regulations and help streamline construction.
Incentives and Fee Waivers
The city occasionally offers fee waivers or reduced permitting fees, making ADU projects more affordable.
What Sets Us Apart from Competitors
Choosing 9Builders for your Accessory Dwelling Unit (ADU) project in the Bay Area offers several advantages:
01
Comprehensive Expertise:
End-to-End Services: 9Builders manages every aspect of ADU projects, from initial design and permitting to construction and final inspection, ensuring a seamless experience for clients.
Regulatory Knowledge: The team is well-versed in local zoning laws and building codes, facilitating smooth navigation through the permitting process.
02
Customized Design Solutions:
Tailored Designs: 9Builders collaborates closely with homeowners to create ADUs that align with their specific needs and aesthetic preferences.
Space Optimization: Designs focus on maximizing functionality within compact spaces, ensuring comfort and efficiency.
03
Quality Craftsmanship:
Skilled Professionals: The construction team comprises experienced craftsmen dedicated to delivering high-quality workmanship.
Premium Materials: 9Builders uses top-grade materials to ensure the durability and longevity of ADU structures.
04
Transparent Communication:
Client Engagement: Maintaining open and honest communication throughout the project, keeping clients informed and involved at every stage.
Clear Timelines: Providing realistic timelines and adhering to them, ensuring projects are completed as scheduled.
05
Sustainable Practices:
Eco-Friendly Options: Offering sustainable building materials and energy-efficient solutions to promote environmental responsibility.
Resource Efficiency: Designs incorporate features that reduce energy consumption and environmental impact.
Benefits of Building an ADU in San Jose
San Jose’s ADUs offer a host of advantages, making them an ideal investment for homeowners:
Boost in Property Value
An ADU not only increases livable space but also adds to the resale value of the property.
Flexibility for Life Changes
ADUs can accommodate various needs, from an independent space for family members to an office, studio, or fitness area.
Sustainable Design Options
Many ADUs in San Jose feature eco-friendly designs, with energy-efficient materials, solar panels, and sustainable landscaping, aligning with San Jose’s green initiatives.
Process
The ADU (Accessory Dwelling Unit) construction process
01
Planning and Design
Initial Consultation: Begin by discussing your vision, needs, and budget with an ADU designer or contractor.
Site Assessment: A site visit helps determine the ideal location and layout for the ADU, considering factors like setbacks, utilities, and access.
Custom Design: Create a design plan that aligns with your aesthetic preferences and functional requirements, ensuring it meets local zoning regulations.
Budgeting and Financing: Develop a budget for the project, considering costs for permits, materials, labor, and additional fees. Explore financing options if needed.
02
Permitting and Approvals
Zoning and Building Codes: Check local zoning regulations, building codes, and specific ADU requirements. Cities often have restrictions on size, height, and setbacks.
Permit Application: Submit your design plans for review, along with necessary applications for building permits. Working with an experienced contractor can help streamline this process.
Pre-Approved Plans (Optional): Some cities offer pre-approved ADU plans, which can speed up the permitting process and reduce costs.
03
Site Preparation
Clearing the Area: Clear the designated area of any existing structures, debris, or landscaping.
Utility Connections: Plan and prepare for utility hookups, including water, sewage, and electricity, which may require coordination with local service providers.
Foundation Work: Lay the foundation according to the design, typically either slab-on-grade or raised, depending on the location and soil conditions.
04
Framing and Construction
Framing: Construct the frame of the ADU, establishing the walls, roof, and structure. This stage shapes the layout of the unit.
Roofing and Siding: Install the roof and exterior siding, ensuring the ADU is weatherproof and aesthetically cohesive with the main residence.
Window and Door Installation: Add windows and doors to enhance natural light, ventilation, and security.
05
Interior Finishing
Insulation and Drywall: Insulate the unit for energy efficiency, then add drywall to interior walls and ceilings.
Plumbing and Electrical: Install plumbing, electrical systems, and HVAC, ensuring compliance with local codes.
Flooring and Paint: Lay flooring materials, paint walls, and apply finishes that meet your style preferences.
Fixture Installation: Add kitchen cabinets, countertops, bathroom fixtures, and lighting to complete the interior.
06
Final Inspections
Code Compliance Inspections: Schedule inspections to ensure all work adheres to building codes and zoning requirements.
Utility and Safety Checks: Verify that utilities are safely and properly connected, and test systems like plumbing, electricity, and HVAC.
07
Landscaping and Exterior Touches
Landscaping: Complete any exterior landscaping, such as adding pathways, planting greenery, or creating a patio area.
Fencing or Privacy Features: Install any additional fencing or privacy features, especially if the ADU is close to neighboring properties.
08
Final Walkthrough and Handover
Client Walkthrough: Conduct a final walkthrough with the builder to ensure all details are completed to your satisfaction.
Project Closeout: Address any final adjustments or touch-ups, and review maintenance needs, warranties, and recommendations with your contractor.
09
Move-In Ready
Once all stages are complete, the ADU is ready for occupancy. You can move in, rent it out, or use it as intended for guests, family, or workspace.
San José ADU Guide
ADU FAQs for San José
Everything You Need to Know About Accessory Dwelling Units (ADUs) in San José
Eligibility and Property Requirements
Lot Qualification: The ADU Universal Checklist helps determine if your property qualifies for an ADU, considering factors like setbacks, height, and fire requirements. City of San Jose
Zoning: ADUs are allowed in various residential zones, including single-family (R-1), two-unit residential (R-2), multi-family residential (RM), and planned development (PD) districts that permit single-family use.
Design and Construction
Size Limits: For lots up to 9,000 sq ft, a detached ADU can be up to 1,000 sq ft. For larger lots, the maximum size increases to 1,200 sq ft. Attached ADUs are limited to 800 sq ft or 50% of the primary residence’s size, whichever is greater.
Setbacks: Detached ADUs must be at least 45 feet from the front property line and 6 feet from the primary residence. Side and rear setbacks are typically 4 feet.
Height Restrictions: Single-story ADUs can have a maximum height of 18 feet, while two-story units can go up to 24 feet.
Permitting and Costs
Permit Process: The City of San José offers an ADU Service to guide homeowners through the permitting process, including plan reviews and necessary inspections.
City of San Jose
Fees: Permit fees vary based on the size of the ADU. Additional fees may include school fees (waived for units under 750 sq ft) and parkland impact fees.
City of San Jose
Utilities and Addressing
Utilities: ADUs can share utilities with the main residence or have separate connections. Coordination with service providers like PG&E is necessary.
City of San Jose
Address Assignment: Each ADU is required to have its own address, assigned during the building permit process.
City of San Jose
Rental and Occupancy
Rental Terms: ADUs can be rented to anyone, adhering to fair housing laws. The minimum rental term is 30 days, including platforms like Airbnb.
City of San Jose
Owner Occupancy: Through 2025, owner occupancy requirements do not apply to new ADUs, allowing both the ADU and primary residence to be rented out.
San José ADU Gallery
Inspiring ADU Designs: San José Gallery
Contact Us
Here’s how you can contact us for any questions or concerns.
408-647-6476
contact@9builders.com
Send Us a Message
Send us a message for any questions or just say hi!