Contractor SearchCheng'S Mechanical Contractor
HVAC license-record listing for Castro Valley, California. License status, source record, and direct contact paths on one profile.
Cheng'S Mechanical Contractor
Cheng'S Mechanical Contractor: public hvac listing in Castro Valley, CA. License 1036153 read active on 2026-10-19.
Public listing path: /contractors/hvac/ca/castro-valley/chengs-mechanical-contractor/
Reach Cheng'S Mechanical Contractor
(415) 806-3856Calling is the fastest way to reach this business.
The form below stores a request for operator follow-up; it is not a verified direct inbox for this business and delivery is not guaranteed.
What can change here?
Claim requests and correction requests are reviewed before the public profile changes. That keeps the listing public while avoiding instant, unverified edits.
Other hvac profiles in Castro Valley.
Getting two or three bids is the single best protection against a bad hire. These profiles come from the same public-record sources.