Tier One Mechanical Inc — Plumber in Rancho Dominguez, CA

About this contractor

License type: C36
License #: LAPERMIT-019667
License status: Active
Classification: LA Commercial Permit Data
Service area: Rancho Dominguez, CA

Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.

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Check license #LAPERMIT-019667 on the California CSLB lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-12).

Frequently asked about Tier One Mechanical Inc

What does Tier One Mechanical Inc do?

Tier One Mechanical Inc is a plumber based in Rancho Dominguez, California. Their license classification is LA Commercial Permit Data.

Is Tier One Mechanical Inc licensed?

Yes. Tier One Mechanical Inc holds California CSLB license #LAPERMIT-019667 (status: Active). Verify the current status on California CSLB before hiring.

Where is Tier One Mechanical Inc located?

Tier One Mechanical Inc is based in Rancho Dominguez, CA.

How do I contact Tier One Mechanical Inc?

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How do I get a quote from Tier One Mechanical Inc?

The fastest way is to post your project on Bidroom — Tier One Mechanical Inc and up to 2 other verified plumbers in Rancho Dominguez can bid on it, and every quote includes itemized pricing + a written scope of work.

Is Tier One Mechanical Inc verified on Bidroom?

Not yet. This listing was created from public California license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.