Section 23142 Of Article 2. Boundaries Of The Several Counties From California Government Code >> Division 1. >> Title 3. >> Chapter 2. >> Article 2.

. The boundaries of Santa Barbara County are as follows: Beginning at the southwestern corner of Ventura; thence northerly, on the westerly line of Ventura to the point of intersection with the southern line of T. 10 N., San Bernardino base; said point being on the southern boundary of Kern and being the common corner of Santa Barbara and Ventura; thence west on said township line, to the Santa Maria River; thence down said river to a point in the Pacific Ocean opposite the mouth of said river, forming the northwest corner; thence southeasterly, by the ocean shore, to the place of beginning; including the islands of Santa Barbara, San Miguel, Santa Rosa, and Santa Cruz.