4.1 
19 *The Angi rating for Structural Engineering companies in Knightsen, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.
*The HomeAdvisor rating for Structural Engineering companies in Knightsen, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.
Last update on July 19, 2025
Serving Knightsen, CA and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
"I would rate your engineering design experience as excellent. Your skills in creating detailed drawings, problem-solving, and delivering innovative solutions are highly impressive."
+35
Serving Knightsen, CA and surrounding areas
Approved
In business since 1998
Free estimates
Emergency services offered
"Christopher was very helpful, he guide me through all the process of making a plan for the city. He was very patient with me through the project. Overall I was very satisfied with the project."
+10
Serving Knightsen, CA and surrounding areas
Approved
In business since 1996
Free estimates
Credit card accepted
"Dr. Nassar is awesome. Delivered as promised engineering plans for my home."
Serving Knightsen, CA and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
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.
Serving Knightsen, CA and surrounding areas
Approved
In business since 1999
Free estimates
Customers say: True professional
"Very well. We have had GLB design several houses / projects for us through the years."
+2
Serving Knightsen, CA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Evolution Drafting did a great job modifying my existing plans and updating for Arizona codes and took care of the structural engineering as well."
+23
Serving Knightsen, CA and surrounding areas
Approved
In business since 2012
Customers say: Quick response
"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!"
Serving Knightsen, CA and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
We have a single mission: Complete Customer Satisfaction! We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience.\nYou will find us to be competitively priced with close attention to the details.\nOur reputation is based on service, safety, and quality, regardless of how large or small the job.\nWe look forward to building a lasting relationship and guarantee your satisfaction!\n
Serving Knightsen, CA and surrounding areas
Approved
In business since 2025
Free estimates
Small jobs welcome
"Adam provided a permit plan for a bathroom remodel in a short time for a reasonable price. He is knowledgeable and gives good advice. We are very happy with the product."
Serving Knightsen, CA and surrounding areas
Approved
In business since 1991
Free estimates
Customers say: Quick response
"Professional. Good communication. Reasonable fee. A+"
+70
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