The minimum wage goes up to $13.25 per hour for those with 25 employees or more on July 1, 2018.
The Pasadena City Council determined the city minimum wage should increase to $13.25 per hour for any company employing 25 or more persons. (Part time workers are counted as if they are full time.) Those with 24 or fewer employees will be required to pay $12.00 per hour minimum wage.
The information is all available here: https://ww5.cityofpasadena.net/planning/code-compliance/minimum-wage-ordinance/
The minimum wage in the City of Los Angeles and the unincorporated areas of Los Angeles County (including Altadena and unincorporated easwt Pasadena) also rise to $13.25 per hour on July 1st.
The adopted state minimum wage law does not preempt Pasadena's minimum wage ordinance, nor the LA County or LA City minimum wage requirements.