Efe and his team are incredibly efficient, knowledgeable and personable. They worked really well…read morewith our contractor and architect as well.

I am a licensed contractor-builder and Efe and the team at 4x have been great to work with. I…read morehighly recommend thier engineering services.

I hired them for an ADU project. What I loved about them is that they stuck to the timelines and…read moremade sure my queries/concerns were addressed in timely manner.

Eric and the entire team are the best -- professional, extremely communicative, and an absolute…read morepleasure to work with. They went above and beyond at every step, proactively coordinating with our GC and even coming onsite to walk through details together. We couldn't have asked for a better experience and would highly recommend them to anyone planning a remodeling project.

Excellent service. Requested a structural evaluation for some cracks across areas of drywall at my…read moreresidential home. The onsite engineer walked my partner through the damage and inspected the foundation. Provided a thorough report with recommendations for structural improvements. Competitive rates. I appreciate their quality, service and price.

I bought a new, old home and wanted the foundation and floors evaluated…read more Fast response time. They provided a quote ($600) in no time, offered to send out a sample report and asked for the address of the house. When I probed them with what the evaluation involved (such as mapping floor levelness) and whether they were independent without financial ties to contractors, I learned they don't map floor levelness. They didn't answer the bulk of my questions, and they ended stating they don't have the bandwidth to take on my project.

We had an excellent experience working with Ryan on a full gut renovation, which was a complex…read moreproject from start to finish. He was incredibly knowledgeable and hands-on, especially when it came to navigating city requirements, securing permits, and coordinating inspections, which made a potentially stressful process feel very manageable. Communication was clear, timelines were well managed, and the quality of work was top-notch. Ryan was proactive in flagging issues early and thoughtful about solutions, and the final result exceeded our expectations. I would highly recommend him for any major renovation or construction project.

Ryan is gem of a person.. day/night/sick.. he will always be there to help/assist you in any type…read moreof problem and always on top of the latest knowledge of city laws and insights and is extremely resourceful selflessly..

I want to express our gratitude for Zenith Engineers Inc. prompt, professional, and outstanding…read moreservice throughout our remodeling project. From the very beginning, we were impressed with Senthil, Ryan and other members of Zenith team's level of professionalism, prompt response, architectural knowledge and effective communication.This level of service was seamless through our entire engagement with Zenith Engineers Inc., from obtaining the building permit to successfully passing all necessary inspections by the SF Building Department. No one questions their architectural work because they are so good at what they do. We had some initial concerns after reading negative reviews, but as the project progressed, it became clear that those comments were based on personal grievances, rather than valid concerns. The team at Zenith Engineers Inc. has a high level of professional ethics and integrity. Zenith's management team had explained to us early on in the project, the strict adherence to code and compliance was paramount throughout the project. If Zenith compromises to satisfy unsatisfied clients, the building will end up being non-compliant and more importantly unsafe. We truly appreciate Zenith's commitment to quality and integrity, even if it means earning a few negative reviews along the way, which seem rather unfair to them as they are simply doing their job. I am extremely satisfied with the professional and excellent work the team at Zenith Engineers Inc. provided us and will hire them in a heartbeat for all our future structural and/or seismic engineering needs. Thank you Senthil, Ryan and the Zenith engineering team for your professionalism and support. It was our best decision to work with you and experience such high standard of professionalism, work ethic, and integrity.

After having used Zenith for multiple projects in the last few years, looks like it's finally time…read moreto look for someone else for the next one. We started using Zenith because of its responsiveness and effectiveness when it came to structural design. With them as part of our team, we were able to keep up with the City submittal and response timelines we had set. Fast forward to today, and we can't get a hold of anyone. When we do, it's always an excuse for why they didn't respond, without a resolution. We sent them the last City comments 30 days ago and have yet to get anything viable to re-submit back to the city. Given that this is a 30-unit hotel project, going with a different firm now will mean a complete re-design of the project; an absolutely painful exercise that will set us back months. Zenith knows that. So it's absolutely shameful for them to act in a way that would even suggest that our only choice is to get the entire project re-designed by another firm just to have it keep moving forward. So much for "we respond to emails within 30 minutes and always answer phone calls" as outlined on one of their online profile. Knowing how we were treated on this round of City comments and the fact that the entire company seems complacent about what they try to embody in their rhetoric, I would stay away for any future project.

Andrew was quick and easy to work with. He made a Saturday appointment and was very prompt. Would…read moredefinitely recommend

Andrew was great to work with for our lot line survey. I highly recommend consulting with him for…read moreyour surveying needs.

After our modular home manufacturer unexpectedly canceled our order, we felt lost and unsure of how…read moreto move forward with building a new second unit on our property. That's when we met Doug -- and everything changed. Our project wasn't simple. The permit required us not only to build a brand-new house but also to renovate and legalize the existing old house. Doug stepped in, redesigned the new unit beautifully, and reimagined the old house so the two complemented each other perfectly. The construction of the new home went incredibly smoothly. Doug's professionalism, craftsmanship, and attention to detail were evident every step of the way. The quality of his work truly exceeded our expectations. The renovation of the old house turned out to be much more complex than expected, but Doug handled every challenge with steady leadership and creativity. He brought the right people together, found thoughtful solutions, and kept the project moving forward steadily through each difficulty. His dedication and calm problem-solving turned a demanding process into a truly rewarding experience. The whole process took nearly five years -- but in the end, we have two beautiful homes that feel cohesive, warm, and full of life. Doug's commitment, honesty, and heart carried us through. We're deeply grateful for his expertise and friendship throughout this journey. If you're looking for someone who truly cares about your home as much as you do, Doug and his team are the ones to call. We can't recommend them enough. Please feel free to contact me if you want the reference. My phone: 408-800-6698. Michael

Douglas Fernandez of Fernandez Design and Builders in San Jose remodeled my entire home in 2007 and…read moredid such an excellent job; my home now is so beautiful and unique & a great fit for my way of life. The good news is that he was so fair and honest; he really watched costs which is so unusual, and in the end, I could be so much more innovative and creative and do so much more than I could have been with any another contracting firm; even more importantly, we had such a good time working together (even the demolition which I dreaded was a piece of cake because of Doug). I left throughout the remodel on many business trips, & there was so much progress and usually a surprising new touch Doug added every time I returned home. Since then, Doug has been there for me on many other occasions. The good news is that Doug is happy with and enjoys smaller remodeling jobs as well. Last year my outside deck came away from its stucco wall & needed a complete retrofit, including adding more structural columns to further support the deck. He loves a good challenge and coming up with great creative and exciting solutions that are brilliant, yet not expensive. Doug's cell is 510-377-9711. Do not hesitate to contact me for further information; my cell is 650-804-8894. Best wishes, Kaaren Powers

I will recommend the service of QuickenPlans , they are professional what they do , really on time…read more, is exactly what I was looking for , efficient service, thanks QuickenPlans Best. Ernesto

I had a consultation for my room addition project with Quickenplans recently- they were recommended…read moreby my neighbour who did his addition with them. Those guys really know their stuff, very detailed and have a lot of experience with design and permitting in SF Bay. We're still deciding on the project but if we move forward we would go with them.