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

Skip to main content

Tuesday June 30, 2015

In observance of our country’s Independence Day, there will be no Saturday inspections available July 4th 2015. We apologize for any inconvenience this may cause.

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
LADBS Logo Image
© Copyright 2010 City of Los Angeles. All rights reserved.