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4Cs free Resource and Referral service lists family child care homes and child care centers in Castro Valley, Fremont, Hayward, Newark, San Leandro, San Lorenzo, and Union City. We give out information about these homes and centers to the thousands of families who call us each year.

Updating Your File

If you would like to update your file on our referral database, please email Darlyn Guzman at

Participate In Our Referral Program

If you would like to participate in our referral program, please email, mail or fax us a copy of your child care license. Include your telephone number so we can contact you to get information we need to create your referral profile.

New providers, send your license (copy, not original) and telephone number to:

Email: Darlyn Guzman at

4Cs Referral Department
c/o Darlyn Guzman
22351 City Center Drive
Hayward, CA 94541

Fax: (510) 582-6822 Attn: Darlyn Guzman

Additional Support

Questions? Contact us at (510) 582-2182.

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