ADU Design, Permits & Engineering in Greater Los Angeles Area And Orange County

Dynamic Quality Builders Inc. handles ADU design, permits, and engineering for new ADUs and garage conversions across California.

Call (562) 552-2934
  • Complete permit package prepared with structural drawings, Title 24 energy calculations, and MEP plans included
  • Zoning and setback review done before design begins, catching site conflicts early
  • Structural engineering coordinated with architectural plans so building department review runs smoothly
  • Covers new ADUs and 2-car garage conversions under one contractor relationship
  • Unpermitted ADUs carry no legal rental value — proper permitting protects your property's worth
  • California ADU permit approval is ministerial, meaning a complete, code-compliant submittal cannot be denied
Architectural floor plan and structural engineering drawings for a new ADU and 2-car garage conversion project managed by Dynamic Quality Builders Inc. Permit-ready document set laid out on a work surface showing site plan, framing details, and Title 24 energy compliance sheets.

Expert ADU Design, Permits & Engineering in Greater Los Angeles Area And Orange County

ADU design, permits, and engineering is where your project either gets built right or stalls before a single wall goes up. At Dynamic Quality Builders Inc., we manage the full pre-construction process for new ADUs, 2-car garage conversions, and new construction projects. That means site-specific architectural drawings, structural calculations, Title 24 energy compliance documents, and full permit package preparation for your local building department. California requires a complete permit application that includes a site plan, floor plans, structural drawings stamped by a licensed engineer, and mechanical, electrical, and plumbing plans. Missing any of these triggers correction rounds that push your project back. We coordinate each document so your submittal is complete the first time. Whether your property is on a flat lot or a more constrained site, we review zoning, setbacks, and utility capacity before drawings begin. That upfront work keeps your project moving from design through approved permit.

What's included

  • Complete permit package prepared with structural drawings, Title 24 energy calculations, and MEP plans included
  • Zoning and setback review done before design begins, catching site conflicts early
  • Structural engineering coordinated with architectural plans so building department review runs smoothly
  • Covers new ADUs and 2-car garage conversions under one contractor relationship
  • Unpermitted ADUs carry no legal rental value — proper permitting protects your property's worth
  • California ADU permit approval is ministerial, meaning a complete, code-compliant submittal cannot be denied
30+ years of local experience

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ADU Design, Permits & Engineering FAQ

Common questions about adu design, permits & engineering in Greater Los Angeles Area and Orange County.

Yes, a complete ADU permit application in California requires structural drawings stamped by a licensed engineer. These include foundation details, framing plans, and structural calculations that show your build meets California Building Code.

We prepare your site plan, floor plans, structural engineering drawings, Title 24 energy compliance documents, and mechanical, electrical, and plumbing plans. Every document needed for a complete California ADU permit package is handled by our team.

Yes, a detached 2-car garage qualifies as an ADU conversion in California when it meets building code, life-safety, and energy standards. California law also does not require replacement parking when an existing garage is converted to an ADU.

An incomplete submittal triggers correction rounds from the building department, which delays your project. We review zoning, setbacks, and utility capacity before drawings begin so your package is complete at first submission.

Yes, every garage conversion to a habitable ADU in California must meet Title 24 energy standards. That includes insulation values, window specifications, and HVAC efficiency ratings documented in your permit package.

Dynamic Quality Builders Inc. manages ADU design, structural engineering coordination, and permit package preparation as one connected process. You work with one contractor from first drawings through approved permit, covering new ADUs and garage conversions.

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What homeowners say.

5.0
19 Google reviews

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Dynamic Quality Builders exceeded every expectation with our ADU garage conversion! From the very beginning, the entire process was professional, organized, and stress-free. The quality of the workmanship is outstanding, and the attention to detail really shows in the finished project. A special thank you to Esteban, our project manager, who kept everything on schedule, communicated clearly, and made sure every detail was handled with care. Mikey, his assistant, was always helpful, responsive, and went above and beyond to make sure everything ran smoothly. I also want to recognize Juan and the rest of the construction team. Their craftsmanship, professionalism, and hard work were exceptional. They showed up on time, kept the job site clean, and treated our home with respect throughout the entire project. If you’re looking for a company to build an ADU or garage conversion, I highly recommend Dynamic Quality Builders. Their dedication to quality, customer service, and professionalism is second to none. We couldn’t be happier with the final result. Thank you to Esteban, Mikey, Juan, and the entire Dynamic Quality Builders team for an amazing job!

abraham cohen Google review · July 2026

We just had our ADU done by DQB, and the team was great from start to finish. They kept our home clean at all times, which we really appreciated, and we couldn’t be happier with the results. Everything turned out exactly as we envisioned. Highly recommended!

Mark Bloomberg Google review · August 2026

We hired DQB to convert our old two car garage into a living space for my mother. Honestly didnt think they could do much with the space but it turned out better than we expected. They managed to fit a kitchen, bathroom and bedroom without everything feeling cramped. The crew was respectful and always cleaned up at the end of the day. Really happy with the results and my mom loves having her own place.

pack stin Google review · October 2026

We used DQB for a pretty extensive renovation of our home and had a great experience with them. The biggest thing for us was communication. We always had a good idea of what was happening, what was coming next, and when people would be at the house. We changed our minds on a couple of things along the way, and they were patient with us and helped us figure out what made the most sense instead of making us feel like we were creating a problem. The house came out great, but I also really appreciated how organized the project felt. Remodeling is never completely stress-free, but this was a much smoother experience than we expected. Very happy we went with DQB and would use them again.

STFU! Google review · September 2026

Give Dynamic Quality Builders a call for prompt, professional and budget minded home improvements! Working with Dynamic Quality Builders (DQB) to bring our ADU project to life has been an incredible experience from start to finish. A special thank you to our Project Manager, Esteban, whose exceptional patience, guidance, and expertise helped us seamlessly navigate the design, planning, and construction phases into our dream reality. We were also thoroughly impressed by his brother Benny, who provided a complimentary, transparent quote to help us transform our garage into a fully functional space. Because of the outstanding craftsmanship and professionalism of the DQB team, this will undoubtedly be our next project with them. We highly recommend!

Kevin Ho Google review · August 2026

Proudly Based in Long Beach 90804, CA

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Hours

  • Monday 8:00 AM - 5:00 PM
  • Tuesday 8:00 AM - 5:00 PM
  • Wednesday 8:00 AM - 5:00 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 5:00 PM
  • Saturday Closed
  • Sunday Closed

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