| A Child's Place | 1941 Church Street, Costa Mesa, CA 92627 | Center |
| Back Bay Montessori | 398 University Drive, Costa Mesa, CA 92627 | Preschool |
| Christ Lutheran Preschool | 760 Victoria Street, Costa Mesa, CA 92627 | Preschool |
| Coastal Children's Learning Center | 2245 Orange Avenue, Costa Mesa, CA 92627 | Preschool |
| Happy Child Pre School | 650 Hamilton Street, Costa Mesa, CA 92627 | Center |
| Int'l Christian Montessori Academy of Newport | 2591 Irvine Avenue, Costa Mesa, CA 92627 | Preschool |
| Lil' Lighthouse Preschool | 301 Magnolia Street, Costa Mesa, CA 92627 | Preschool |
| Lindbergh Child Development Center | 220 23rd Street, Costa Mesa, CA 92627 | Preschool |
| Matt Kline Headstart | 2045 Meyer Place, Costa Mesa, CA 92627 | Preschool |
| NMUSD Harper Preschool | 425 18th Street, Costa Mesa, CA 92627 | Preschool |
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| NMUSD Pomona Preschool | 2051 Pomona Avenue, Costa Mesa, CA 92627 | Preschool |
| NMUSD Rea Preschool | 661 Hamilton Avenue #27 & 28, Costa Mesa, CA 92627 | Preschool |
| NMUSD Whittier Preschool | 1800 Whittier Ave., Costa Mesa, CA 92627 | Preschool |
| NMUSD Wilson Preschool | 801 Wilson Street, Costa Mesa, CA 92627 | Preschool |
| Nobis Preschool | 190 East 15th Street, Costa Mesa, CA 92627 | Preschool |
| Page School of Costa Mesa | 657 Victoria Street, Costa Mesa, CA 92627 | Center |
| St. Joachim School | 1964 Orange, Costa Mesa, CA 92627 | Center |
| Sunshine Community Nursery School | 2131 Tustin Avenue, Costa Mesa, CA 92627 | Center |
| Waldorf School of Orange | 2350 Canyon Drive, Costa Mesa, CA 92627 | Center |
| Westcliff Early Childhood Center | 2032 Orange Avenue, Costa Mesa, CA 92627 | Center |
| Woodland CDC | 2025 Garden Lane, Costa Mesa, CA 92627 | Center |