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. Approved materials are published as Los Angeles Research Reports (LARR).
Contact the
MTL
Test Lab Engineer: Cristina Acevedo-Leija
Email: Cristina.Acevedo-Leija@lacity.org
Telephone: (213) 202-9902
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When the work is ready, request an inspection using one of three options:
- Request an inspection online using our Request For Inspection system. Requests made before 4:00 pm can be scheduled for the next business day.
- Dial 888-LA4-BUILD / (888)-524-2845 for inside Los Angeles County or (213) 482-0000 for outside Los Angeles County and choose Option 1 to request an inspection using our Automated Inspection Request System. The AIRS Sequence Chart is helpful to have when using our Automated Inspection Request System (AIRS)
- Dial 3-1-1 for inside L.A. County or (213) 473-3231 for outside L.A. County. Automated inspection requests may be made anytime (except between 2:00 am and 3:00 am). Requests made before 4:00 pm can be scheduled for the next business day. When calling for an inspection you will need to know the permit number, the site address, and type of inspection needed. To request an inspection for the next business day with one of our staff members, you must call in prior to 4:00 p.m. Automated inspection request systems will accept next day inspections prior to 4:00 p.m. We will attempt to contact you on the morning of the inspection.
For requests of four (4) or more seismic gas shut off valve inspections, please complete the Seismic Gas Shut Off Valve Inspection Request Form. To schedule fewer than four (4) seismic gas shut off valve inspections, please call 3-1-1 for inside Los Angeles County or (213) 473-3231 for outside Los Angeles County.
Deputy Inspection Notification
Deputy Inspection notification may be made by calling 3-1-1 or by completing a Deputy Fax Notification form and faxing it to (213) 482-6838 or 6839 by 3:30 pm one working day before the day of the inspection. Deputy Inspection Notification is not currently available on the Automated Inspection Request form.
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To request for inspection, please call (888) LA4Build or request for inspection online.
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To request for inspection, please call (888) LA4Build or request for inspection online.
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You can review the past and present activity on a particular property with our free online Permit and Inspection Report. It shows both Permit activity and Code Enforcement activity.
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The fire water storage tank is sized according to the sprinkler or standpipe demand, whichever is larger for the water supply duration as stated in NFPA 13 table 11.2.3.1.2
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Reports must be submitted in person at any construction services center.
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Only standard solar pv permits currently qualify for online plan check and permit service. See Information Bulletin P/GI 2014-027 for more details. You will find a copy of this bulletin here.
For all other plan review, you are required to visit one of our offices to make a submission.
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You may submit your plans at any of our three office plan check counters located at Metro, Van Nuys, and WLA Building and Safety offices.
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Our records go back to the year of 1905.
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