California laws on breastfeeding address a woman’s right to breastfeed in public and an employer’s responsibility to provide reasonable accommodations for employees who need to express breastmilk at work.

California Breastfeeding Coalition
California Breastfeeding Laws and Regulations

National Conference of State Legislatures (NCSL) Breastfeeding Laws

AB-2386 – Employment and housing discrimination: sex: breastfeeding (2011-2012) California Legislative Information

Congressional Research Service Summary of State Breastfeeding Laws and Related Issues (2009)