Apply for a building permit in the City of Diamond Bar, California online using this service.
If you are planning renovations or new construction in or around your property located in the City of Diamond Bar, chances are you will need to obtain a building permit.
Taking out a permit before commencing your construction project not only keeps you in compliance with City law, but also protects you and your investment - be it a home or a business.
You can ask any questions related to this service here. We will try to answer them soon!