Integrity. It’s what we’re built on.
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Pre-Construction
We partner with each client during the design phase to leverage solutions and skills in order to deliver a successful project. These services include but are not limited to; pre-construction estimates, lead times for materials, subcontractor selection, value engineering, permitting, and code approvals.

Furniture, Fixtures, and Equipment
We’ve specialized in the Hospitality Industry for over thirty years. Our team is equipped to manage all aspects of FF&E from manufacture to final destination and placement in order to meet your project goals. We are experienced and well trained in every aspect of tracking, managing and installing FF&E into guestrooms and public spaces.
Client Testimonials
I represent the ownership group for Carmel Valley Ranch Resort & Spa. Since 2018, I have successfully hired Mario Franco and 4 Diamond Construction (“4DC”) in a general contracting capacity for $10mm+ in guest-facing, interior renovation work at this asset.
In my experience, 4DC, and Mr. Franco in particular, possess a unique skill set which combines strong attention to detail, high finish quality, accurate scheduling, and the ability to navigate the challenges inherent to working in an operating hotel environment.
“Everyone in the company has been extremely responsive to our needs as owners.”
“Their performance to date continues to live up to the high standards we set for our subcontractors.”
“We have had the pleasure of working with the 4 Diamond Group on several hospitality projects.”
“I think that your hands on approach is what made the job so smooth.”
“4 Diamond Construction recently completed a project at my house and the result was exceptional! From the day my project started, I knew I had chosen the right company. The builders were there every morning and worked the entire day. They were courteous, professional, and knew exactly what they were doing. They wasted no time in getting the job done. Their work ethic is amazing and second to none! The results of my project were outstanding! They went way over and beyond my expectations to make sure the job was done correctly and to my satisfaction. Any future customer would be lucky and blessed to have this company do a project for them. They are the best and finest construction company I have ever dealt with.
Sincerely and with the greatest respect,
Sharon S.
(A Very Satisfied Customer)”