Human Resources Department
COSA CORE Volunteers Program

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Mailing Address
P.O. Box 839966
San Antonio, TX 78283-3966

Physical Address
Riverview Towers Building
111 Soledad, Suite 100
San Antonio, TX 78205

Phone
210.207.8705

Hours
Monday - Friday
7:45 a.m. - 4:30 p.m.

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COSA Volunteers logo

Through the COSA CORE Volunteers Program, City employees and their family members have the opportunity to make a positive impact on our community through volunteer service. 

Whether it is encouraging recycling at local parades, painting houses, or packing boxes at the San Antonio Food Bank, employees and their family members donate their time to improving the community throughout the year.