Excellence at Every Level & Unmatched Value
WELCOME TO LIONSTONE MECHANICAL
The premier HVAC & Architectural Sheet Metal contractor in the Bay Area
Our team at Lionstone Mechanical has decades of experience serving the bay area and can handle any project, delivering the best service & quality in the industry, on schedule and on budget.


The only company you need for all of your HVAC and Sheet Metal projects.
We provide cost effective solutions for HVAC and Sheet Metal projects and unmatched value for all of our customers & trade partners.
Whether you have a new high rise residential building, a retrofit to an existing commercial system, design-build, BIM or need value engineering, Lionstone Mechanical Company is your best option. Always focused on quality & serving our customer, we will deliver your project on schedule and on budget
Embrace Energy Efficiency
As costs increase, Lionstone Mechanical is focused on efficiency and value for our customers
We provide systems that are the pinnacle of energy efficiency and we will always work with you to evaluate all costs involved to ensure that the systems we choose is the right system for your project. With over 100 years of combined experience, our management team will steer you in the right direction.



The right contractor makes all the difference.
Lionstone Mechanical is committed to being the best at every level — delivering exceptional quality, reliability, and unmatched value on every project.
Are you looking for the best?
There are a lot of Sheet Metal contractors. Let us show you why we are the best.
Our focus on value, efficiency, quality, customer service & on time delivery, results in an experience that others cannot match.
Please enter your email address below, and we will get back to you right away. Let us show you the difference a company that focuses on quality AND value can make for your project.

