We seek to be trusted partners to our clients, using open communication and close collaboration to make the building process a team effort. Satisfied customers are the greatest testament to our capabilities, performance, and character. 


Here are testimonials from a few of our clients. Please contact us for additional references. 


"The transformation of our 100 year old, 9-story Historical Landmark building, in downtown San Francisco was a mammoth effort that was handled with professionalism and heart. ...Despite the unforeseen challenges associated with working in a 100 year old building, Cahill successful managed every obstacle and completed the project on time. Simply put, Cahill’s dedication and attention to detail ensured the success of our project. Not only did Cahill meet all of the labor compliance and workforce goals, they also successfully employed veterans to perform portions of the work. ...we were very impressed with Cahill’s work. We would be happy to work with Cahill again."

Leon Winston, Chief Operating Officer - Swords to Plowshares

"I have worked with contractors the past 22 years as an officer, (I remodel & build every where I go!), and you have been the most professional and efficient team I have yet to encounter. You are one company that I would use again, which is rarely the case!  Thank you."

Major George M. Rocheleau - Salvation Army, SF Kroc Center

"This project was a complicated historic rehabilitation combined with a four-story new construction addition.  Cahill provided us with an excellent construction team; their staff was experienced, professional, enthusiastic and responsive [...] We cannot say enough about the high level of service and construction quality provided by Cahill."

Marisa L. Sigala, Senior Project Manager - Transamerica Senior Living

"I have had the pleasure of working with Cahill for the last five years as we constructed three new buildings ...The quality of work was oustanding and their attention to detail was impressive. They were truly professional in the execution of all aspects of these projects ...Any issue that arose was dealt with immediately and effectively. ...I could not be happier with the work that Cahill Contractors did for us, and it is with great pleasure that I recommend them."

Mathew Heersche, Head of School - San Domenico School

“I wanted to thank you and your team for doing a great job with our recently completed Mobility Garden in Los Gatos. I know it was not easy working adjacent to an occupied OSHPD facility. However, your onsite team did a tremendous job in keeping the project on track, while allowing us to maintain our ongoing operations. The staff and patients really appreciate their new space. Thanks again for your teams efforts, and we look forward to working with Cahill in the future.”

Matt Fardig, Facilities Development & Real Estate - El Camino Hospital

“We met with the Bayview Hill Neighborhood Association last night to talk about [Bayview Hill Gardens] transitioning from construction to operations. The neighbors raved about you. They said this was one of the best construction sites they have seen and you have minimized impact on them. ...We appreciate [Cahill’s] effort and how you and your team have given the building’s  construction a great face to the project and made the neighbors very happy.”

Michael Simmons - Michael Simmons Property Development Inc.

"The entire Cahill staff – from top management on down – were deeply committed to the success of our project. They were very effective problem solvers, and always ready and able to step in should a problem or emergency arise. They always stood by their work and the work of their subs."

Nate Levine, Executive Director - Jewish Community Center of San Francisco

“I have nothing but the best to say about your crew, top to bottom.They delivered more than just a building; service was the real product. Every problem or compliant was met with concern and a “can-do” attitude. And every commitment was honored.”

Ned Topham - Cal Jones Development Inc.

"We are delighted to have such a dramatically and beautifully rebuilt campus emerging before our eyes. [...]  The quality of workmanship is outstanding, the attention to detail superb and the overall impact on our School's environment exhilarating. [...] Major kudos to you and the entire Cahill team for all you have done for our School.  We have been so fortunate to work with you these past 16 years."

Paul D. Chapman, Head of School - Head Royce School

"We are making good use of the building and appreciate your efforts on our behalf. ...The project was a new relationship with a tight time frame and budget. Cahill became a partner for success and will be on every future bid list in which I participate.”

Ralph O'Rear, Vice President, Facilities & Planning - Buck Institute for Research on Aging

"I want to express my gratitude and admiration for the excellent job Cahill did building our new office and education building as well as landscaping of our property ...All this was accomplished with impressive craftsmanship. ...The Cahill staff and management were always sensitive to our needs as a church. This project was our second with Cahill in the past six years. If we do further work in the future we will not hesitate to call upon Cahill. I would highly recommend Cahill to any church or faith community that is considering contractors for a project."

Rev. Chris Rankin-Williams, Rector - St. John’s Episcopal Church

"The effort and detail that your estimating staff put forth was extraordinary and amazingly accurate …Cahill’s direction to and control of the design team as it relates to cost, ease of construction and schedule were right on …The staffing and follow through by the project team was beyond expectations and produced a superior project in record time."

Rod MacDonald - KDF Communities

"The project was completed ahead of schedule and Cahill returned a significant amount in savings to the College under their GMP contract. Saint Mary's College is very pleased with Cahill's professional handling of issues, their attention to details and their concern for safety displayed throughout the construction of this project."

Ron Tapper - Ron Tapper Consulting

"The project to upgrade and renovate the 245 units in the 7 buildings on the site, while residents were occupying the facility, was a mammoth effort that was handled with professionalism and heart. ...I recommend Cahill Contractors, Inc. to those considering building and looking for a trustable partner to work with, especially projects requiring a high level of sophistication and care."

Will Tsukamoto, President - Japanese American Religious Federation Housing

"I wish to take this opportunity to thank you for the oustanding work done by your construction company [...] I am impressed, I am grateful, I am most thankful for not only the outstanding work, the best of crews, the finest of leaders, but perhaps, most of all, the quality of the total experience."

William G. Isetta, Principal - Marin Catholic High School


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