
Learning Center
Building an ADU is a major investment. By taking the time to understand the process, you can save a considerable amount of money and minimize hassle.
Steps for Building an ADU
Planning and Research:
- Determine the purpose of your ADU
- Research local zoning laws and building codes
- Consult with a professional to assess feasibility
Design and Budgeting:
- Create a design that meets your needs and adheres to regulations
- Develop a budget considering materials, labor, permits, and contingencies
- Obtain design approval from local authorities
Permitting:
- Submit your design plans for approval
- Secure necessary building permits
- Ensure all permits are in place before construction begins
Site Preparation:
- Prepare the site for construction, including clearing and leveling
- Set up utilities like water, electricity, and sewage connections
- Lay the foundation according to the approved plans
Construction:
- Start with the framing and roofing
- Install plumbing, electrical, and HVAC systems
- Complete interior and exterior finishes
Inspections:
- Schedule inspections at various construction stages
- Address any issues identified during inspections
- Obtain final approval once construction is complete
Final Touches:
- Add landscaping and outdoor features
- Install fixtures, appliances, and interior decor
- Conduct a final walkthrough to ensure everything is in order
Occupancy:
- Obtain a certificate of occupancy from the local authorities
- Move in or rent out your new ADU
- Maintain the ADU regularly to ensure its longevity
Latest Articles
Learn more about ADU construction and best practices

An Overview of Accessory Dwelling Unit (ADU) Types in California
ADU stands for 'Accessory Dwelling Unit', which is a secondary housing unit on a single-family residential lot. These are increasingly...

What is the difference between a slab foundation and a crawl space foundation for an ADU?
The main differences between **slab** and **crawl space** foundations for ADUs (Accessory Dwelling Units) are related to construction...
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Phone
650.260.8866 / 650.600.1698
info@easyhouse.ai
Office
520 Minnesota Avenue, San Jose, CA 95125
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Our office is not staffed regularly. Please contact us in advance to schedule an appointment for in-person consultations or visits.