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LADBS - City of LA Department of Building and Safety
LADBS - City of LA Department of Building and Safety
Monday July 28, 2014
The Online Permit application will be undergoing maintenance Tuesday 07/29/2014 between 5:00pm-7:00pm (PST). We apologize for any inconvenience that this may cause and thank you for your patience.
LADBS-Mechanical Test Lab

Mechanical Test Lab (MTL)

The Mechanical Test Lab is responsible for reviewing applications for mechanical product approvals through its Research Section and Mechanical Test Lab.

Frequently Asked Questions
Recently Approved/Modified Products
Research Report (RR)
Application Package (General Approval, One-Time Approval, Renewal, Technical Modifications, Clerical Modifications)
Application for Approval As a Testing Agency
LADBS Information Bulletin (P/MC 2011-008) Plumbing and Mechanical Products Listing (Approval) Requirements
Approved Testing Agencies
Phone/e-Mail Directory
2011 Plumbing
2011 Mechanical
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