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Home Improvement & Construction

Building permits are required to erect, modify, remove, or repair all structures, commercial and residential, in the City of Diamond Bar.

Neighborhood Improvement

The Neighborhood Improvement Division enforces municipal codes and ordinances created to maintain the welfare of residents and business owners and community aesthetics.

Public Safety

The City of Diamond Bar's primary public safety services are provided by the County of Los Angeles and animal control services provided by the Inland Valley Humane Society.

Recreation

The Parks and Recreation Department programs, activities, and events help to strengthen the community's fabric, health and well-being, economic base, and security.

Schools

Diamond Bar schools provide strong academic programs along with safe and well-maintained campuses. The city is fortunate to be home to two award-winning, highly regarded school districts.

Utilities

View the contact information for utility companies in Diamond Bar.

Demographics