SoCalGas® will be working on a natural gas pipelines in the following locations: Princeton St between Exeter Ave and Bel Air Ave and Exeter Ave between Princeton St and San Bernardino St. We would like to make you aware of the potential odor of natural gas in the area. For more information, please click here.

Code Enforcement Division

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Code Enforcement staff identifies and responds to complaints relating to violations of the Montclair Municipal Code and other applicable codes. The violations are abated by the progressive application of educational interaction, owner/tenant notification, involvement, and if needed, citation. This division is managed by the Building Official.

Code Enforcement can be reached by calling (909) 625-9477.  The City also maintains a Code Enforcement hotline where messages can be left about code violations.  Callers may remain anonymous if they desire. 

The hotline number is (909) 447-3519.


Code Enforcement staffing

Monday through Friday, 6:30 a.m. to 5:30 p.m.

Saturday and Sunday, 7:00 a.m. to 5:00 p.m.

Code Enforcement Office Hours 

Monday through Thursday, 7:00 a.m. to 6:00 p.m.

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