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LADBS - City of LA Department of Building and Safety
LADBS - City of LA Department of Building and Safety

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Wednesday November 25, 2015

Department of Building and Safety will be closed on Thursday and Friday, November 26 and 27, 2015 in observance of Thanksgiving Holiday. Thank you for doing business in the City of Los Angeles.

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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