Licensed & Insured
A CA Lic # 1038631 commercial contractor headquartered in Livermore, CA — fully licensed and insured for the work Bay Area facilities require.


Commercial HVAC · Process Piping · Bay Area
T3 Mechanical is a CA Lic # 1038631 commercial mechanical contractor serving the SF Bay Area from Livermore, CA. Since 2018, we've delivered HVAC, process piping, cleanroom, and design-build installations for semiconductor, medical, and industrial clients.
Trusted by Bay Area builders, biotechs, and semiconductor leaders




















Why T3 Mechanical
Semiconductor fabs, medical centers, biotech cleanrooms, and high-spec tenant improvements — we install, retrofit, and service mechanical systems where precision and uptime aren't negotiable.
A CA Lic # 1038631 commercial contractor headquartered in Livermore, CA — fully licensed and insured for the work Bay Area facilities require.
Deep experience in semiconductor, medical, and cleanroom environments — plus high-spec tenant improvements — where standards aren't optional.
One Livermore HQ, full Bay Area reach. We dispatch from Livermore across Alameda, Contra Costa, Santa Clara, and San Mateo counties.
Selected Work
Rooftop units, process piping, cleanroom buildouts, crane lifts — a sample of recent commercial mechanical projects across the Bay Area.




FAQ
Tell us about your facility, timeline, and scope. We'll get back with a precise bid — typically within two business days.