League boundaries are determined by the officers and executive committee of Chino Hills PONY, however All Star eligibility are subject to annual approval by the PONY Southern California Southeast Region Director. Boundaries need not be identical for Chino Hills PONY Division.
Yes, anyone living in San Bernardino and Riverside Counties, including bordering LA County cities (Diamond Bar and Pomona) are eligible to play in the Chino Hills PONY Baseball program. However, eligibility for All Stars is determined by the PONY Southeast Region Director and currently residents in Chino Hills, Chino, Ontario, Pomona, Diamond Bar, and Eastvale are eligible for PONY All Stars. Residency is determined by where you live with your legal guardian.