• About Us
  • Services
  • Industries Served
  • Personnel
  • Portfolio 
  • Contact Us

About Us

Turnkey Building Systems Engineering and Design Services

Keystone Engineering Solutions, Inc., is headquartered in Irvine, CA, and provides premiere-level, competitively priced mechanical and plumbing engineering and design services and project management to provide multi-discipline, seamless engineering and design services throughout the building construction industry.
Keystone Engineering Solutions, Inc. also commissions mechanical and electrical systems to ensure proper operation. We also provide expert witness services for mechanical system construction defects. Established in 2003, Keystone Engineering Solutions, Inc. is active and licensed in California and Nevada.
Our specialties include cost-effective energy-saving solutions for renovations, retrofits, and new construction. Keystone Engineering Solutions, Inc.'s engineering and design services specialize in all building mechanical and plumbing systems, such as heating, ventilation, and air conditioning (HVAC), process piping, central plants, combined heat and power (CHP) plants, thermal energy storage, power generation, controls, and plumbing systems.

What We Do

Our services typically include project development, conceptual design, programming and preliminary review of systems, preparation of construction documents including specifications, construction supervision and observation, site surveys and investigations, developing reports and studies, shop drawing review, operating and life cycle cost analysis, commissioning, expert witness, energy modeling, and digital archiving and facility management document services.

Keystone Engineering Solutions, Inc.

Let us be the 'Keystone' for your project.
Contact Us
© 2025 Keystone Engineering Solutions, Inc. All Rights Reserved.

We use cookies to enable essential functionality on our website, and analyze website traffic. By clicking Accept you consent to our use of cookies. Read about how we use cookies.

Your Cookie Settings

We use cookies to enable essential functionality on our website, and analyze website traffic. Read about how we use cookies.

Cookie Categories
Essential

These cookies are strictly necessary to provide you with services available through our websites. You cannot refuse these cookies without impacting how our websites function. You can block or delete them by changing your browser settings, as described under the heading "Managing cookies" in the Privacy and Cookies Policy.

Analytics

These cookies collect information that is used in aggregate form to help us understand how our websites are being used or how effective our marketing campaigns are.