Eagle Rock is a neighborhood of Northeast Los Angeles, abutting the San Rafael Hills in Los Angeles County, California. The community is named after Eagle Rock, a large boulder whose shadow resembles an eagle. Eagle Rock was once part of the Rancho San Rafael under Spanish and Mexican governorship. In 1911, Eagle Rock was incorporated as a cit…Eagle Rock is a neighborhood of Northeast Los Angeles, abutting the San Rafael Hills in Los Angeles County, California. The community is named after Eagle Rock, a large boulder whose shadow resembles an eagle. Eagle Rock was once part of the Rancho San Rafael under Spanish and Mexican governorship. In 1911, Eagle Rock was incorporated as a city, and in 1923 it was annexed by Los Angeles.