The City of Signal Hill is a unique enclave city located in Los Angeles County, California. The City of Signal Hill is a safe, clean, diverse, and welcoming community with an entrepreneurial spirit and small-town charm. Signal Hill has a community-first approach, with an emphasis on providing excellent customer service to residents, businesses, and visitors. It offers a dedicated Police Department, award-winning schools, attractive housing for all income levels, beautiful parks and trail systems, and stunning views. Most famous for the discovery of oil in 1921, and commonly known as an "oil town," the City is now a diverse community with a bright future.