Section 837.
Cal. Penal Code - PEN § 837.
in effectA private person may arrest another:
1.
For a public offense committed or attempted in his presence.
2.
When the person arrested has committed a felony, although not in his presence.
3.
When a felony has been in fact committed, and he has reasonable cause for believing the person arrested to have committed it.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026