Pacoima is bordered by the Los Angeles districts of Mission Hills on the west, Arleta on the south, Sun Valley on the southeast, Lake View Terrace on the northeast, and by the city of San Fernando on the north.
The Los Angeles Police Department operates the Foothill Community Police Station in Pacoima. The Los Angeles Fire Department operates Fire Station 98 in Pacoima. The Los Angeles County Fire Department operates a department facility in Pacoima that houses, among others the Forestry Division, Air and Heavy Equipment and Transportation operations.
The major transportation routes across and through the area are San Fernando Road, Van Nuys Boulevard, and Laurel Canyon Boulevard. California State Route 118 (Ronald Reagan) runs through it, and the community is bordered by the I-5 (Golden State).