Top ADU Permit Companies in San Diego


Building an ADU (Accessory Dwelling Unit) in San Diego is an excellent way to add value to your property, create additional living space, or generate passive income through rentals. However, navigating the San Diego ADU permit process can be overwhelming without expert help. That’s why homeowners turn to experienced professionals who specialize in ADU planning, design, and permit services. 


In addition, many ADU permit experts provide strategic advice on layout, unit size, and rental potential, helping you make the most of your investment. With their guidance, homeowners can avoid unnecessary delays and focus on bringing their vision to life.

1. Fortune ADU – Your End-to-End ADU Partner in San Diego

Why Choose Fortune ADU:

Fortune ADU is quickly becoming one of the most trusted ADU specialists in San Diego. From feasibility assessments and architectural planning to permit submission and project coordination, Fortune ADU offers a comprehensive, stress-free ADU experience.


Key Services:

  • Free initial site evaluation

  • Custom ADU design and floor plans

  • Full ADU permit support (including zoning and code compliance)

  • Coordination with city officials and engineers

  • ADU garage conversions, detached units, and JADUs

  • Affordable pricing with transparent timelines


Whether you're looking to build a backyard cottage or convert your garage into a rental unit, Fortune ADU ensures your project meets California ADU laws and San Diego zoning regulations.

2. SnapADU

SnapADU is a well-known name in the industry, offering fast-track ADU permit process and design services. Their streamlined process and clear pricing model make them a popular choice for homeowners looking for efficiency and transparency.

3. Murray Lampert Design, Build, Remodel

With decades of experience in San Diego’s construction scene, this company provides complete ADU solutions, from site planning to final inspection, with a strong emphasis on quality and compliance.

4. Coastal ADU Builders

Coastal ADU Builders specializes in coastal zone permits and offers personalized guidance throughout the ADU build process. Their team ensures every project aligns with California’s latest ADU laws and environmental standards.

FAQ

How much does it cost to get an ADU permit in San Diego?

Permit fees typically range between $1,500 to $8,000, depending on project size and property location. Companies like Fortune ADU offer full pricing transparency.

How long does it take to get an ADU permit approved in San Diego?

On average, 2 to 4 months. Hiring experts like Fortune ADU can shorten this timeline significantly with their knowledge of local approval processes.

Can Fortune ADU help with detached and garage conversion ADUs?

Yes, Fortune ADU specializes in detached ADUs, garage conversions, and even Junior ADUs (JADUs) for San Diego homeowners.

Is it mandatory to hire a permit company for ADU construction?

While not mandatory, working with a professional like Fortune ADU ensures accuracy, compliance, and faster results, saving you time and costly mistakes.

Does Fortune ADU provide design services as well?

Absolutely. Fortune ADU offers custom ADU floor plans, 3D renderings, and architectural designs tailored to your property’s unique footprint and needs.

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