Montessori Harbor-Mesa School
Daycare center in Costa Mesa, CA. 3025 Deodar Avenue, Costa Mesa, CA 92626
About the program
Montessori Harbor-Mesa School is a licensed daycare center in Costa Mesa, California, on the state register since 2020. It is licensed for 63 children and serves preschool ages.
Montessori Harbor-Mesa School offers preschool and elementary programs based on the Montessori method in a non-profit setting.
The program follows a Montessori approach and offers Spanish.
Tuition and capacity
Tuition: not listed. Montessori Harbor-Mesa School does not publish a fee schedule on its website. Programs in the area that publish full-time tuition have a median starting price of $1,100 a month.
Licensing and safety
Open the state record →California cites a Type A violation for an immediate risk to the health or safety of children, and a Type B violation for a record-keeping or maintenance item. The state file gives counts, dates and regulation numbers, not the inspector's notes.
Regulations cited
101223(a)(2) · 101161(a) · 101221(b)(10) · 101226(e)(3)(B) · 101226(e)(2) · 101700.3(b)(1)
Open the state record for each visit report.
What parents say
❤️ To the best preschool and all of the wonderful teachers, Thank you from the bottom of my heart for everything you have done for my child over these past two years. 🥹❤️ For two years, my child came here and never once cried when I dropped him/her off. Every morning, I brought my child to you with a peaceful heart, and every afternoon, I picked him/her up knowing that my child had been loved, cared for, and treated…
Marziya Sadikova · 5/5 on Google · 2 weeks agoMontessori Harbor Mesa is a wonderful place for children to learn and grow. The teachers are caring and patient with the children. Our daughter attended this school over 30 years ago, and now our grandson attends the school. Mrs. De Frenza, principal and owner since the school inception, creates an amazing environment at the school for the children and their families.
Melody K · 5/5 on Google · 2 years agoMontessori Harbor-Mesa School has been such a blessing for my family. My son loves his teachers and Mrs. De Frenza. His passion for school and thirst for knowledge has flourished, and witnessing his growth has been incredibly rewarding, not only academically but also in terms of his social development.
Jessica Filice · 5/5 on Google · 2 years agoFantastic environment for my 2 year old who is just starting out on his educational journey--structured and playful, I feel he is thriving in school and at home. The teachers and staff are always supportive and caring!
Erica Graziosa · 5/5 on Google · 2 years agoGetting there
3025 Deodar Avenue, Costa Mesa, CA 92626
Questions about Montessori Harbor-Mesa School
Is Montessori Harbor-Mesa School licensed?
Yes. Montessori Harbor-Mesa School holds an active Day Care Center licence from California Department of Social Services, Community Care Licensing Division (licence 304371431), with a licensed capacity of 63 children. The state record was synced in September 2026.
Has Montessori Harbor-Mesa School had any inspection violations?
California's public file shows 5 citations for Montessori Harbor-Mesa School, across 2 inspection visits. The median daycare center in the area has 1. The state record linked above has each visit report.
What ages does Montessori Harbor-Mesa School take?
Montessori Harbor-Mesa School is licensed to serve preschool ages.
How much does Montessori Harbor-Mesa School cost?
Montessori Harbor-Mesa School does not publish tuition on its website. Ask for the full fee schedule on a tour, including registration, supply and late pick-up fees.
