John Zak was born and raised in Mill Valley and attended Tamalpais High School. John has been a reliable local plumber for 35 years.

He was raised with the core values of honesty, reliability, and community involvement. Zak Plumbing is a long time supporter of Kiddo and the Tam High Foundation. His hobbies include, golf, motorcyle riding, and creating copper sculputers. Below is a glimpse of John's artwork.