San Jose 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 Jose 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 Jose 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 Jose area, 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 Jose Customers

Airtight Construction, Inc. provides unmatched expertise in a full range of construction services for San Jose companies and homeowners. We stand behind our work and offer one of the best guarantees in the business. Our promise is to provide professional construction, retrofit, and repair services quickly, efficiently, and with the least amount of disruption.

By contracting maintenance, renovations, construction services 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


San Jose, CA is the largest city in Northern California and the recognized cultural, political and economic heart of Silicon Valley. The population in 2018 was estimated to be in excess of 1 million, and the city is the third most populous in California and the 10th most populous in the entire US. Physically located in the heart of Santa Clara Valley, San Jose is one of the most affluent cities in the country.

Covering an area of almost 180 square miles, the city sits on the shore of San Francisco Bay. The county seat of Santa Clara County, San Jose started out as the first Mission City built by the Spanish. A truly global city blessed with a moderate Mediterranean climate great for both business and agriculture. Known for the wealth of the tech industry, residents have the 3rd highest GDP in the world, falling only behind a city in Switzerland and a city in Norway.

The city boasts not only the highest number of millionaire and billionaires, but also the most expensive housing market in the US, and 5th highest housing market in the world. San Jose attracts the best high tech employees in the world, and angel investors help finance the constant stream of innovations San Jose is famous for. The world class museums, restaurants and shopping centers draw visitors from around the world.


Need a San Jose Construction Company? Contact ATC for a prompt free quote.