California was sold in 1973 returning to  the name Zodiac and, in the late 1970s, the private Vessel Zodiac Corporation was formed to operate and maintain her. She was professionally restored, and her rig, which had been altered during her time as a pilot boat, was returned to its original configuration.
In 1973, California was sold back to the name Zodiac, and in the late 1970s, the private company Zodiac Corporation took over her operation and maintenance. She underwent professional restoration, and her original rig, which had been altered during her time as a pilot boat, was returned to its original configuration.