Get In Touch

You can get in touch with us through our main phone number, checking out our office, or sending us a message through the website. Know what you are looking for? Get in touch with one of our team members directly by using the directory below.

Contact Us By Phone

You can call us at 909-629-8000.

You can also send us a fax at 909-629-8001.

Our Office

Our mailing address is located at 324 S. Diamond Bar Blvd. PMB 275, Diamond Bar, CA 91765

Our physical office address is located at 1054 E Third St. Pomona CA, 91766

contact our team directly

Main Office

Jose Carvajal


Jose Carvajal is President of CTT and oversees all daily operations. He has 20+ years of construction experience, and in his free time enjoys racing.

Jackie Carvajal

Treasurer, Hiring Ma

Jackie Carvajal is the Treasurer and Hiring Manager at CTT. She is responsible for overseeing labor compliance, payroll, job-site safety, and employee training. She has 21+ years in HR and Business Operations. In her free time, she loves cycling, hiking, and spending time with her friends.

Dan Butler

Accountant Manager

Dan Butler is the Accountant and Office Manager at CTT. He is responsible for overseeing contracts, accounts payable and receivable, and maintaining office operations. When he isn't in the office, he loves bowling and spending time with his dog.

Richard Ramos

Project Manager

Richard Ramos is the Project Manager at CTT, and is responsible for overseeing public works projects - including coordinating with City Inspectors, Project Managers, and field employees. When he isn't managing, he likes spending time with his kids and going to Disneyland.

Estimating and Labor Compliance

Rebecca Carvajal

Project Coordinator - Estimator

Rebecca Carvajal is a Project Coordinator and Estimating Team Member at CTT. She handles day-to-day estimating and scheduling for various construction projects. During her free time, she enjoys traveling, as well as going to see live music performances.

Joel Carvajal

Estimating Assistant

Joel Carvajal is an estimating assistant at CTT and helps create the estimates that are given for construction projects at CTT. When he is not in the office, he enjoys fishing and riding motorcycles.

Diego Carrill

Project Assistant

Diego Carrill is a Project Assistant at CTT and spends time helping with the management and coordination of construction projects. He is a current student at California Polytechnic State University, and attends classes and spends time with his family when he is not working.

Justin Druckenniller

Labor Compliance Officer

Justin Druckenniller is a Labor Compliance Officer at CTT, and oversees every-day safety and labor standards. When he is not in the office, Justin loves traveling, playing Mario Kart with his girlfriend, and playing with his cat and dog.

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