OUR MISSION

Simplifying Design & Permitting, So You Can Focus on What Matters Most

Whether you’re expanding your space, adding value to your property, or creating a rental income stream, we provide seamless solutions tailored to your needs. Our team of experienced building designers and engineers works with you to develop clear, code-compliant plans—backed by flat-fee pricing, fast turnarounds, and expert support at every step. From your first sketch to final submittal, we make the process feel simple, structured, and stress-free—so you can move forward with confidence.

  • California-based team of building designers and engineers with 25+ years of combined experience.

  • Expertise in delivering permit-ready plans for ADUs, additions, remodels, and custom homes.

  • Streamlined design and engineering process with flat-fee pricing—no surprises, no guesswork.

  • Trusted by property owners and builders alike for fast turnarounds, code compliance, and expert support.

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Licensed Staff

 

Our in-house Structural Engineers are fully licensed and in good standing with the State of California.

Don’t leave safety to chance — work with a team that knows the codes inside and out.

 

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Fully Insured

 

We carry General Liability, Professional Liability and Errors & Omissions insurance, so your project is protected from day one.

It’s coverage you can count on.

 

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Revisions Covered

 

We cover all revisions requested by the plan reviewer—as long as they relate to the original design scope.

No surprise fees, no runaround. We’ll get it right while keeping your budget intact.

 

CLIENTS REVIEW

What Our Clients Are Saying About Us

We don’t just talk the talk — our clients say it better than we ever could.

 

For many years I have been working with the architectural & structural engineers at QuickenPlans.  Because I have been in this business for more than 40 years I can honestly let you know that you will not find a different construction document business with as much integrity, transparency, communication, and efficiency as QuickenPlans.

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Donna K. | San Diego

Amazing service. Great Value for the price. QuickenPlans' team is knowledgable, helpful, and communicative. Use them for multiple projects, big and small.

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Dee C. | Carlsbad, CA

Very helpful in providing professional feedback. I would definitely recommend them.

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Mina K. | San Jose, CA

Contracted QuickenPlans to design a large deck for the front of our house. They were very diligent and provided exactly the the support we required.

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Henry J. | Woodside, CA

Our client received a violation notice from the city for an unpermitted addition. The guys from QuickenPlans helped us put together a set of plans for legalization and advised on how to address the city’s comments.

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Xavier S. | Redwood City, CA

I got my ADU plans done and we’re now in the permitting stage. What I really appreciate about the QuickenPlans crew is that they didn’t just stop at the drawings but they’ve been actively helping us deal with the permit side too

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Wilhelmina M. | San Mateo, CA

We’ve had QuickenPlans do plan sets for a bunch of our clients. They’ve always been dependable. One project was a real headache — a client had unpermitted work flagged by the city, violations and all. QuickenPlans put together plans and a detailed response letter that helped avoid big fines. Quick tip: if you’re buying a flipped house, always double-check if the work was permitted.

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Prangrudee C. | Los Angeles, CA

I used Quicken Plans to come up structural plans for building permit approval for family room extension project. Team was very professional from get go and delivered on time and available for questions anytime we reached out to them! I would highly recommend this for anyone considering a professional firm to work with!!

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Anil M. | Saratoga, CA

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