Penal Code section 1533

Upon a showing of good cause, the magistrate may, in his or her discretion, insert a direction in a search warrant that it may be served at any time of the day or night. In the absence of such a direction, the warrant shall be served only between the hours of 7 a.m. and 10 p.m.
When establishing “good cause” under this section, the magistrate shall consider the safety of the peace officers serving the warrant and the safety of the public as a valid basis for nighttime endorsements.

Source: Section 1533, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PEN§ionNum=1533.­ (updated Jan. 1, 1986; accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 1533's source at ca​.gov