§ 415.20. — (Repealed (in Sec. 4) and added by Stats. 2025, Ch. 563, Sec. 5.)

(a)
In lieu of personal delivery of a copy of the summons and complaint to the person to be served as specified in Section 416.10, 416.20, 416.30, 416.40, or 416.50, a summons may be served by leaving a copy of the summons and complaint during usual office hours in the person’s office or, if no physical address is known, at the person’s usual mailing address, other than a United States Postal Service post office box, with the person who is apparently in charge thereof, and by thereafter mailing a copy of the summons and complaint by first-class mail, postage prepaid to the person to be served at the place where a copy of the summons and complaint were left. When service is effected by leaving a copy of the summons and complaint at a mailing address, it shall be left with a person at least 18 years of age, who shall be informed
of the contents thereof. Service of a summons in this manner is deemed complete on the 10th day after the mailing.
(b)
If a copy of the summons and complaint cannot with reasonable diligence be personally delivered to the person to be served, as specified in Section 416.60, 416.70, 416.80, or 416.90, a summons may be served by leaving a copy of the summons and complaint at the person’s dwelling house, usual place of abode, usual place of business, or usual mailing address other than a United States Postal Service post office box, in the presence of a competent member of the household or a person apparently in charge of their office, place of business, or usual mailing address other than a United States Postal Service post office box, at least 18 years of age, who shall be informed of the contents thereof, and by thereafter mailing a copy of the summons and of the complaint by first-class mail, postage prepaid to the person to be served at the
place where a copy of the summons and complaint were left. Service of a summons in this manner is deemed complete on the 10th day after the mailing.
(c)
Notwithstanding subdivision (b), if the only address reasonably known for the person to be served is a private mailbox obtained through a commercial mail receiving agency, service of process may be effected on the first delivery attempt by leaving a copy of the summons and complaint with the commercial mail receiving agency in the manner described in subdivision (d) of Section 17538.5 of the Business and Professions Code.
(d)
This section shall remain in effect only until January 1, 2027, and as of that date is repealed.

Legislative History

Amended by Stats. 2025, Ch. 563, Sec. 4. (AB 747) Effective January 1, 2026. Repealed as of January 1, 2027, by its own provisions. See later operative version added by Sec. 5 of Stats. 2025, Ch. 563.