California Discovery Response Deadline Calculator

Enter the service date and method — get the real due date under CCP §§ 2030.260, 2031.260, and 2033.250, with service extensions and court holidays applied and a citation behind every number. Free, no login.

Not legal advice. Core CCP rules checked against Westlaw (via CoCounsel legal research) on July 24, 2026. County local rules are paraphrased summaries; individual department standing orders are NOT included. Verify every date against the operative code sections and your court’s rules before relying on it.
Discovery response deadline calculator FREE
Date shown on the proof of service

How the math works

Step 1 — 30 days. Responses to interrogatories (CCP § 2030.260), requests for production (CCP § 2031.260), and requests for admission (CCP § 2033.250) are due 30 days after service. The clock runs from the date on the proof of service.

Step 2 — service extensions. How the discovery was served changes the real due date:

Method of serviceExtensionAuthority
Electronic service+2 court daysCCP § 1010.6
Personal servicenoneCCP § 1011
Mail — within California+5 calendar daysCCP § 1013
Mail — outside California, within U.S.+10 calendar daysCCP § 1013
Mail — outside U.S.+20 calendar daysCCP § 1013
Express mail / overnight delivery+2 court daysCCP § 1013
Mail — Safe at Home confidential address (address-confidentiality program)+12 calendar daysCCP § 1013

Step 3 — the roll. If the final day lands on a weekend or judicial holiday, the deadline rolls forward to the next court day (CCP § 12a). California courts close for holidays most calendars miss — including Lincoln’s Birthday (February 12) and Native American Day (fourth Friday of September). This calculator validates against the official Judicial Council holiday calendar.

Deadline guides