San Ramon Construction Company & General Contractor

Highly experienced in jobs of all types and sizes

Airtight Construction, Inc. is a premier construction company and general contractor in the San Ramon area with extensive experience in a wide range of services. We’ve become the company of choice for:

We have worked for decades with owners and managers of occupied commercial buildings, industrial manufacturing plants, and residential dwellings throughout the San Ramon area and beyond. Headquartered in Concord, California, our fully equipped and professionally staffed organization can meet any construction, renovation, or retrofit need. We can serve as a single point of contact for the most complex and time-constrained projects.

We are committed to the responsive delivery of flawless craftsmanship and the industry’s best customer service for our many San Ramon, SF Bay Area and Northern California clients. We bring proven expertise and time-tested techniques to every job. While most companies rely on subcontractors for major parts of their work, we do everything in house. This allows us to maintain tight control over quality and scheduling of the work performed. Our cleanup crews work daily to keep the job-site clean, safe, and usable at all times.


Here are just a few of the construction partners and projects whose vision we have brought to life:


Committed to the Satisfaction of Our SAN RAMON Customers

By contracting maintenance, renovations, construction or repair through ATC you will get construction experience, unmatched expertise, a reputation for quality and a single source for a full-range of services.

Our promise is to provide professional construction, retrofit and repair services quickly and with the least amount of disruption.


I want to express my greatest thanks for the excellent roofing, siding replacement, ADA hand rail, and concrete work you performed. Kaiser Permanente and PG&E were very pleased with your work. The planning and execution of the job was very evident and the workmanship cannot be matched. I have and will continue to recommend Airtight Construction.

Vern Cummings, Park Shadelands Business Park

Useful Info for San Ramon CA

San Ramon, CA is a member of Contra Costa County and is a suburban city of the San Francisco Bay Area. Located in the San Ramon Valley, it is home to the South San Ramon Creek as well as the Morgan Territory Regional Preserve. San Ramon has gone through a wide-variety of names which include Brevensville, Lynchville, and Limerick before finally selecting San Ramon as the official name. Spanish for St. Raymond, San Ramon is known for hosting several annual event which include the Art and Wind Festival on Memorial Day weekend and the Fourth of July Picnic and Fireworks Show.

One famous historic building found in San Ramon is The Glass House. Built in 1877, it was later moved to Forest Home Farms. San Ramon voters decided in 1983 to incorporate as a separate city.