When I lived in So Cal 98-08 these courses had just been built from the building boom and were considered the best public courses in LA.
Aliso Viejo CC, 27 holes condensed to 18 holes (2001)
Empire Lakes, Rancho Cucamonga
Lost Canyons (36 holes), Simi Valley
Robinson Ranch, Santa Clarita
Cascades, Sylmar (2013)