Get matched with top architects in Antioch, CA

"I would rate your engineering design experience as excellent. Your skills in creating detailed drawings, problem-solving, and delivering innovative solutions are highly impressive."

At Guillen Design & Drafting Services, we help bring your building ideas to life whether you're starting from the ground up or remodeling an existing space. We specialize in producing well-designed architectural construction documents tailored to each clients unique needs. From initial concept through the permitting process, we're here to guide you every step of the way. We also team up with the appropriate engineers and Title 24 energy consultants to ensure your plans meet all codes and requirements. Our goal is to make the design process smooth, clear, and stress-free so you can focus on your vision while we handle the details.

"Rich knows his business. He's thorough, very reasonable in pricing, and follows up until the job is complete. He's easy to work with, and responds instantly to questions. If you need building plans for permits or design, Rich will get it done."

"Very professional, on time no problem. Joy to work with such competent architect"

"I highly recommend this company. All projects are always completed on time, and communication is excellent. I’m always kept informed about what’s happening with the project and what stage it’s at. Whenever I have questions or need an update, they respond quickly and clearly. They are reliable, professional, and very easy to work with."

"Shilpa was wonderful! On-time and budget and super helpful at every step of the way!"

"Esther was amazing! We are so glad we had Esther complete our kitchen plans! She presented different options which were great. She's very professional & always accommodating. Was always willing to make any changes. She's a gem. So glad we did plans, as wasn't going to but glad we did. Thanks Esther!"

"Our kitchen remodel with McCormick Home Builders went beyond our expectations. Leoni and her team took the time to understand exactly what we wanted. The open layout design changed the way we use the space, and it’s been perfect for family gatherings. They were prompt, courteous, and genuinely invested in making sure we were happy. Really impressed!"

"Roberto Sandoval and his company have been doing our landscaping for many years. We’ve always relied on him for honest, reasonably-priced services with excellent care and attention. Absolutely recommend him highly!"

"Exceptionally competent high level professional Architect and building permit facilitator. He has my highest recommendation with no reservations. Ted Vinson, Ph.D., PE"