San Mateo County, California (CA) Scanner Frequencies and Radio Frequency Reference

San Mateo County, California

Last Updated: October 12, 2025, 16:18 pm UTC

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Entity	Entity Type
San Mateo County Trunked Systems (22)	Trunked
San Mateo County Amateur Radio	Amateur Radio
San Mateo County	Category
Cities	Category
Midpeninsula Regional Open Space District (MROSD)	Category
Education	Category
Hospitals	Category
Transit	Category
Airports	Aircraft / Airport
Attractions	Attraction
Businesses	Business Group
Federal	Federal
Utilities	Utility

Frequencies

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San Mateo County

Sheriff

San Mateo County P25 Regional Communications System
Project 25 Phase I

Sheriff

Fire

CAL FIRE - CZU 1700 / Felton ECC

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
153.890	WQND954	RM	114.8 PL	SMCFD Control 1A	South Dispatch	FMN	Fire Dispatch
154.370	WQND954	RM	114.8 PL	SMCFD Command 11	South Command	FMN	Fire-Tac
154.040		M	118.8 PL	SMCFD Tac 15	South Tactical	FMN	Fire-Tac
154.010		M	110.9 PL	SMCFD Tac 16	South Tactical	FMN	Fire-Tac
155.400		M	141.3 PL	SMCFD Tac 17	South Tactical	FMN	Fire-Tac
153.785	WQGU325	RM	156.7 PL	SMCFD Control 2	Central Dispatch	FMN	Fire Dispatch
153.950	WQGU325	RM	114.8 PL	SMCFD Command 21	Central Command	FMN	Fire-Tac
154.145		M	118.8 PL	SMCFD Tac 25	Central Tactical	FMN	Fire-Tac
153.830		M	110.9 PL	SMCFD Tac 26	Central Tactical	FMN	Fire-Tac
155.745		M	162.2 PL	SMCFD Tac 27	Central Tactical	FMN	Fire-Tac
154.100	WQGS319	RM	114.8 PL	SMCFD Control 3	North Dispatch	FMN	Fire Dispatch
151.085	WQGS319	RM	123.0 PL	SMCFD Command 31	North Command	FMN	Fire-Tac
154.010		M	118.8 PL	SMCFD Tac 35	North Tactical	FMN	Fire-Tac
154.040		M	162.2 PL	SMCFD Tac 36	North Tactical	FMN	Fire-Tac
155.400		M	107.2 PL	SMCFD Tac 37	North Tactical	FMN	Fire-Tac
154.340	WQHJ488	RM	114.8 PL	SMCFD Control 1B	Coast Dispatch (Half Moon Bay)	FMN	Fire Dispatch
154.145	WQHJ488	RM	114.8 PL	SMCFD Control 1C	Coast Dispatch (Pigeon Point)	FMN	Fire Dispatch
154.235	WQND954	RM	114.8 PL	SMCFD Control 1D	Coast Dispatch (La Honda)	FMN	Fire Dispatch
151.085	WQHJ488	RM	114.8 PL	SMCFD Control 1E	Coast Dispatch (Pescadero)	FMN	Fire Dispatch
155.895	WQHJ488	RM	114.8 PL	SMCFD Command 41	Coast Command	FMN	Fire-Tac
153.830		M	141.3 PL	SMCFD Tac 45	Coast Tactical	FMN	Fire-Tac
154.445		M	146.2 PL	SMCFD Tac 46	Coast Tactical	FMN	Fire-Tac
155.745		M	123.0 PL	SMCFD Tac 47	Coast Tactical	FMN	Fire-Tac
151.475		RM	167.9 PL	SMCFD Command 51	County Command	FMN	Fire-Tac
155.325		BM		SMCFD MDT	MDT Countywide	Telm	Data

EMS

San Mateo County P25 Regional Communications System
Project 25 Phase I

EMS Dispatch and Medic-Hospital Talkgroups

Countywide Law Enforcement Mutual Aid

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
488.8875	WIG277	RM	114.8 PL	SMC Green	Green - Countywide	FM	Law Tac
488.8625	WIG276	RM	114.8 PL	SMC Tac 1 North	Tac 1 - North	FM	Law Tac
488.7125	WIG279	RM	114.8 PL	SMC Tac 2 Cent	Tac 2 - Central	FM	Law Tac
488.5375	WIG281	RM	114.8 PL	SMC Tac 3 South	Tac 3 - South	FM	Law Tac
460.025		M	114.8 PL	SMC Car-to-Car	Car-to-Car (CALAW4)	FMN	Law Tac

Cities

Atherton

Fire - San Mateo County Fire (South Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
489.0875	KIA892	RM	162.2 PL	Atherton PD	Police Dispatch	FM	Law Dispatch

Belmont

Fire - San Mateo County Fire (South Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
488.4875	WII969	RM	162.2 PL	Belmont PD1	Police Dispatch	FM	Law Dispatch
483.0875	WII969	RM	162.2 PL	Belmont PD2	Police Secondary	FM	Law Tac

Brisbane

Fire - San Mateo County Fire (North Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
482.500	WII970	RM	123.0 PL	Brisbane PD	Police Dispatch (simulcast with San Mateo PD1)	FMN	Law Dispatch
490.875	WQCP497	RM		Brisbane PW	Public Works	FM	Public Works

Broadmoor

Police - primarily dispatched on Daly City PD1

Fire - San Mateo County Fire (North Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
482.5625	WIJ914	RM	114.8 PL	Broadmoor PD1	Police Dispatch	FM	Law Dispatch
488.4875		RM	114.8 PL	Broadmoor PD2	Police Secondary	FM	Law Tac

Burlingame

Fire - San Mateo County Fire (Central Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
489.0875	WIK265	RM	114.8 PL	Burlingame PD1	Police Dispatch	FMN	Law Dispatch
489.5625	WPLS285	RM	114.8 PL	Burlingame PD2	Police Secondary	FMN	Law Tac
151.115	WNQM897	BM	100.0 PL	Burlingame PW	Public Works	FMN	Public Works

Colma

Fire - San Mateo County Fire (North Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
490.9125	WIM441	RM	167.9 PL	Colma PD	Police Dispatch	FMN	Law Dispatch

Daly City

Fire - San Mateo County Fire (North Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
488.9375	WIJ213	RM	162.2 PL	Daly City PD1	Police Dispatch	FM	Law Dispatch
489.6125	WIJ213	RM	162.2 PL	Daly City PD2	Police Secondary	FM	Law Tac
156.135	KNEC877	RM	114.8 PL	Daly City PW	Public Works	FMN	Public Works
453.550	WNUT423	RM	118.8 PL	Daly City W/S	Water and Sanitation	FM	Public Works

East Palo Alto

Fire - San Mateo County Fire (South Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
488.3875	WIG280	RM	114.8 PL	E Palo Alto PD	Police Dispatch	FM	Law Dispatch

Foster City

Fire - San Mateo County Fire (Central Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
488.6125	WIK320	RM	162.2 PL	Foster City PD1	Police Dispatch	FM	Law Dispatch
488.9375		RM	114.8 PL	Foster City PD2	Police Secondary	FM	Law Tac

Half Moon Bay

Fire - San Mateo County Fire (Coast Dispatch)

San Mateo County P25 Regional Communications System
Project 25 Phase I

Police - San Mateo County Sheriff

Hillsborough

Fire - San Mateo County Fire (Central Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
484.8625	WIM373	RM	114.8 PL	Hillsboro PD S	Police South Repeater	FM	Law Dispatch
488.3375	WIM373	RM	114.8 PL	Hillsboro PD N	Police North Repeater	FM	Law Dispatch
156.225	WPGA290	RM	115 DPL	Hillsborough PW	Public Works	FMN	Public Works

Menlo Park

Fire - San Mateo County Fire (South Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
488.3375	WIJ254	RM	162.2 PL	Menlo Park PD	Police Dispatch	FM	Law Dispatch

Millbrae

Fire - San Mateo County Fire (Central Dispatch)

San Mateo County P25 Regional Communications System
Project 25 Phase I

Police - San Mateo County Sheriff

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
156.105	WNQN266	BM	173.8 PL	Millbrae PW	Public Works	FMN	Public Works

Pacifica

Fire - San Mateo County Fire (North Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
488.7375	WIK372	RM	162.2 PL	Pacifica PD	Police Dispatch (simulcast with SSF PD from 0400-1600 hours)	FM	Law Dispatch

Portola Valley

Fire - San Mateo County Fire (South Dispatch)

San Mateo County P25 Regional Communications System
Project 25 Phase I

Police - San Mateo County Sheriff

Redwood City

Fire - San Mateo County Fire (South Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
483.4125	WII974	RM	186.2 PL	Redwood City PD1	Police Dispatch	FM	Law Dispatch
488.7875	WII974	RM	162.2 PL	Redwood City PD2	Police Secondary	FM	Law Tac
484.4875	WII974	RM	114.8 PL	Redwood City PD3	Police Tactical	FM	Law Tac

San Bruno

Fire - San Mateo County Fire (North Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
490.5375	WIM449	RM	167.9 PL	San Bruno PD1	Police Dispatch	FMN	Law Dispatch
488.7875	WII975	M	114.8 PL	San Bruno PD2	Police Car-to-Car	FMN	Law Tac
159.885	KNNG320	BM	162.2 PL	San Bruno PW	Public Works	FMN	Public Works

San Carlos

Fire - San Mateo County Fire (South Dispatch)

San Mateo County P25 Regional Communications System
Project 25 Phase I

Police - San Mateo County Sheriff

San Mateo

Fire - San Mateo County Fire (Central Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
488.3125	KIA900	RM	114.8 PL	San Mateo PD1	Police Dispatch (simulcast with Brisbane PD)	FM	Law Dispatch
482.9875	KIA900	RM	114.8 PL	San Mateo PD2	Police Secondary	FM	Law Tac
482.9125	KIA900	M	114.8 PL	San Mateo PD3	Police Car-to-Car	FM	Law Tac
153.920	KMK564	RM	114.8 PL	San Mateo PW	Public Works	FMN	Public Works

South San Francisco

Fire - San Mateo County Fire (North Dispatch)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
488.4625	WII972	RM	114.8 PL	S San Fran PD1	Police Dispatch (simulcast with Pacifica PD from 0400-1600 hours)	FM	Law Dispatch
490.5875	WIM762	RM	114.8 PL	S San Fran PD2	Police Secondary	FM	Law Tac
489.3375	WPKA816	RM	114.8 PL	S San Fran PD3	Police Tactical	FM	Law Tac
859.9375	WNEE794	RM	114.8 PL	S San Fran PW1	Public Works 1	FM	Public Works
857.2125	WPED554	RM	114.8 PL	S San Fran PW2	Public Works 2	FM	Public Works

Woodside

Fire - San Mateo County Fire (South Dispatch)

San Mateo County P25 Regional Communications System
Project 25 Phase I

Police - San Mateo County Sheriff

Midpeninsula Regional Open Space District (MROSD)

Parks and Recreation

See MROSD - Santa Clara County.

Education

Millbrae School District

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
464.6625	WPQB934	RM	131.8 PL	Taylor MS	Taylor Middle	FM	Schools

San Mateo County Community College District

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
464.375	KNEB804	RM	100.0 PL	SMCCD 1	Public Safety	FMN	Law Dispatch

San Mateo Union High School District

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
456.350	WNYH609	M	210.7 PL	Aragon HS	Aragon High - Operations	FM	Schools
466.9875	WNYH609	M	205 DPL	Mills HS	Mills High - Security	FM	Schools
467.1375	WNYH609	M	205 DPL	Capuchino HS	Capuchino High - Security	FM	Schools
469.850	WNYH609	M		SMHS Ops/Sec	San Mateo High School - Operations/Security	FMN	Security

Sequoia Union High School District

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
461.3375	WPQD871	M		SUHSD General	General Use	FMN	Schools
466.3375	WPQD871	M		SUHSD Secondary	Secondary Use	FMN	Schools

South San Francisco Unified School District (SSFUSD)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
464.700	WPXD675	RM	432 DPL	SSFUSD Ops	District Operations	FM	Schools
462.2375	WPUE258	RM	114 DPL	Westboro MS	Westborough Middle	FM	Schools
462.3375	WPUE258	RM	94.8 PL	Parkway MS	Parkway Heights Middle	FM	Schools
462.9375	WPUE258	RM	94.8 PL	Alta Loma MS	Alta Loma Middle - Security	FM	Schools
464.0375	WPUE258	RM	146.2 PL	El Camino HS	El Camino High - Security	FM	Schools
464.2375	WPUE258	RM	146.2 PL	SSF HS	South San Francisco High - Security	FM	Schools

Hospitals

Kaiser Daly City

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
451.325	WQDS825	RM	743 DPL	KDC Security	Security	FM	Security
451.400	WQDS825	RM	251 DPL	KDC Engineering	Engineering	FM	Business
451.775	WQDS825	RM	432 DPL	KDC ES	Enviromental Services Buildings Ops	FM	Business
452.275	WQDS825	RM	732 DPL	KDC Courier	Courier Services	FM	Business

Kaiser South San Francisco/San Bruno

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
464.875	WNIN793	RM	023 DPL	KSSF/SB Sec	Security	FM	Security
461.800	WQDS825		612 DPL	KSSF Courier	Courier Services	FM	Business
462.300	WPPZ537	RM	464 DPL	KSSF Engineering	Engineering	FM	Business
464.525		RM	516 DPL	KSSF ES	Enviromental Services Buildings Ops	FM	Business

Palo Alto Medical Foundation

San Mateo County Medical Center "CHOPE"

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
453.550	WNPI545	RM	123.0 PL	CHOPE Sec	Security	FM	Security
453.725	WPGY268	RM	114.8 PL	CHOPE Ops	Facility Operations	FM	Business

Transit

Bay Area Rapid Transit

CalTrain (Peninsula Corridor Joint Powers Board)

CALTRAIN

San Mateo County Transit District (SamTrans)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
483.1875	KYC941	RM	151.4 PL	Bus Ops N	Bus Operations North	FM	Transportation
483.2375	KYC941	RM	023 DPL	Bus Ops S	Bus Operations South	FM	Transportation
483.2625	KYC941	RM	151.4 PL	RediWheels	Redi-Wheels (Paratransit)	FM	Transportation
483.2875	KYC941	RM	CSQ	Bus Data	Bus Data	FM	Transportation