Short answer. For police matters that are not an emergency in San Mateo, California, call the San Mateo Police Department non-emergency line at (650) 522-7700 1. If a life, a person or property is in danger right now, call 911 2.
Who to call in San Mateo
| Situation | Number | Source |
|---|---|---|
| Emergency: police, fire, ambulance | 911 | 2 |
| Police, non-emergency (San Mateo Police Department) | (650) 522-7700 | 1 |
| Report a crime online | Official online reporting | 1 |
| Mental health or suicide crisis | 988 (call, text or chat) | 3 |
| Poisoning | 1-800-222-1222 | 4 |
What does the San Mateo Police Department say?
"Non-Emergency: (650) 522-7700" 1
Who answers the call?
In San Mateo, police calls that are not emergencies go to the San Mateo Police Department 1.
Other cities
Non-emergency numbers in California: Los Angeles, San Diego, San Jose, San Francisco, Fresno, Sacramento, Long Beach, Oakland. Outside city limits and on highways: California Highway Patrol (CHP). All cities: Police non-emergency numbers by city. Every national number: Emergency numbers in the United States.
Frequently asked questions
What is the non-emergency number for police in San Mateo?
(650) 522-7700, the San Mateo Police Department non-emergency line 1.
Is (650) 522-7700 the same as 911?
No. 911 is for emergencies 2; (650) 522-7700 is the San Mateo Police Department line for matters that are not urgent 1.
Can I report a crime online in San Mateo?
Yes, for some non-urgent incidents: the San Mateo Police Department has an official online reporting page 1.
Sources · 4
- City of San Mateo · Contact Us | San Mateo, CA - Official Website checked 2026-11-09
- Federal Communications Commission · Text to 911: What You Need to Know checked 2026-10-20
- 988 Suicide & Crisis Lifeline · 988 Suicide & Crisis Lifeline checked 2026-11-05
- MedlinePlus, U.S. National Library of Medicine · Poison control center - emergency number checked 2026-11-05