FCC.reportPublic regulatory filings
FCC Registration Number

FRN 0001540145

Contra Costa County

CORES registration

Entity name
Contra Costa County
Entity type
State or Local Agency , County
Registration date
2000-06-24
FCC source updated
2018-02-25
Contact organization
Department of Information Technology
Contact position
TELECOMMUNICATIONS DIVISION
Contact name
Mr Randy Demerse
Contact address
30 Douglas Drive, Martinez, CA 94553, United States
Contact email
[email protected]
CORES status
available
Last checked
2026-08-02 06:48:24

Connected companies

CompanyRelationshipSourceConfidence
CONTRA COSTA, COUNTY OFownerASR100.0%
CONTRA COSTA, COUNTY OFregistrantCORES100.0%
CONTRA COSTA, COUNTY OFlicenseeULS100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(925) 313-1200CONTRA COSTA, COUNTY OF ownerASR100.0%
(925) 313-1200CONTRA COSTA, COUNTY OF LULS100.0%
(925) 957-7701Mr Randy Demerse TELECOMMUNICATIONS DIVISIONCORES100.0%

ULS licenses

Grant dateCall signServiceStatusLicensee
2026-04-02WQFB326GEACONTRA COSTA, COUNTY OF
2025-11-19WQED554PWACONTRA COSTA, COUNTY OF
2025-11-19WQEB986PWACONTRA COSTA, COUNTY OF
2025-11-19WQED553PWACONTRA COSTA, COUNTY OF
2025-11-19WQEB990PWACONTRA COSTA, COUNTY OF
2025-11-19WQED552PWACONTRA COSTA, COUNTY OF
2025-11-19WQEB983PWACONTRA COSTA, COUNTY OF
2025-11-19WQED555PWACONTRA COSTA, COUNTY OF
2025-11-19WQEB988PWACONTRA COSTA, COUNTY OF
2025-11-19WQED551PWACONTRA COSTA, COUNTY OF
2025-09-23KBV2AFACONTRA COSTA, COUNTY OF
2025-09-03WQDY506PWACONTRA COSTA, COUNTY OF
2025-09-03WQDY508PWACONTRA COSTA, COUNTY OF
2025-09-03WQDY507PWACONTRA COSTA, COUNTY OF
2025-09-03WQDY505PWACONTRA COSTA, COUNTY OF
2025-07-22WPIR557PWACONTRA COSTA, COUNTY OF
2025-07-02WPRH384PWACONTRA COSTA, COUNTY OF
2025-06-10WSIR335MWAContra Costa, County of
2025-05-06WQM478IGACONTRA COSTA, COUNTY OF
2025-05-06WNSS746PWACONTRA COSTA, COUNTY OF
2025-05-06WQWC527MWAContra Costa, County of
2025-05-06WQWC526MWACONTRA COSTA, COUNTY of
2025-04-24WSIA564MWAContra Costa County
2025-04-02WIK592PWACONTRA COSTA, COUNTY OF
2025-04-02WPHG665PWACONTRA COSTA, COUNTY OF
2025-03-04KMK522PWACONTRA COSTA, COUNTY OF
2025-03-04KTS610PWACONTRA COSTA, COUNTY OF
2025-02-21KH3205AAACONTRA COSTA, COUNTY OF
2025-02-13WNCP387PWACONTRA COSTA, COUNTY OF
2025-02-04KV2192PWACONTRA COSTA, COUNTY OF
2025-02-04WSZ655PWACONTRA COSTA, COUNTY OF
2025-02-04KMB591PWACONTRA COSTA, COUNTY OF
2025-02-04WQCQ513MWACONTRA COSTA, COUNTY OF
2025-02-04WSY471PWACONTRA COSTA, COUNTY OF
2025-02-04KMA463PWACONTRA COSTA, COUNTY OF
2024-12-24WNCA815PWACONTRA COSTA, COUNTY OF
2024-12-24WQCJ800GEACONTRA COSTA, COUNTY OF
2024-12-11WIK382PWACONTRA COSTA, COUNTY OF
2024-11-05WPPV535PWACONTRA COSTA, COUNTY OF
2024-10-03WQBV233PAACONTRA COSTA, COUNTY OF
2024-10-02KF4115PWACONTRA COSTA, COUNTY OF
2024-09-17KQY684PWACONTRA COSTA, COUNTY OF
2024-09-06WRU892PWACONTRA COSTA, COUNTY OF
2024-09-06KMA499PWACONTRA COSTA, COUNTY OF
2024-08-27WNJS512PWACONTRA COSTA, COUNTY OF
2024-08-06WNQQ717PWACONTRA COSTA, COUNTY OF
2024-08-02WQUV792IGACONTRA COSTA, COUNTY OF
2024-07-31KNS654PWACONTRA COSTA, COUNTY OF
2024-07-31WNAS446PWACONTRA COSTA, COUNTY OF
2024-07-31KZD404PWACONTRA COSTA, COUNTY OF
2024-07-31WBL502PWACONTRA COSTA, COUNTY OF
2024-07-31WBL498PWACONTRA COSTA, COUNTY OF
2024-07-31KZD407PWACONTRA COSTA, COUNTY OF
2024-07-31KZD409PWACONTRA COSTA, COUNTY OF
2024-07-31KWX591PWACONTRA COSTA, COUNTY OF
2024-07-30WBL501PWACONTRA COSTA, COUNTY OF
2024-07-30WBL503PWACONTRA COSTA, COUNTY OF
2024-07-30WBL500PWACONTRA COSTA, COUNTY OF
2024-07-30WBL497PWACONTRA COSTA, COUNTY OF
2024-07-30KWX593PWACONTRA COSTA, COUNTY OF
2024-07-30KWX594PWACONTRA COSTA, COUNTY OF
2024-07-30WBL504PWACONTRA COSTA, COUNTY OF
2024-07-30WAL252PWACONTRA COSTA, COUNTY OF
2024-07-30KBF739PWACONTRA COSTA, COUNTY OF
2024-07-30KWX592PWACONTRA COSTA, COUNTY OF
2024-07-30KBF741PWACONTRA COSTA, COUNTY OF
2024-07-30WBL506PWACONTRA COSTA, COUNTY OF
2024-07-30KZD406PWACONTRA COSTA, COUNTY OF
2024-07-30KZD408PWACONTRA COSTA, COUNTY OF
2024-07-30WQUV539IGACONTRA COSTA, COUNTY OF
2024-07-30WAL254PWACONTRA COSTA, COUNTY OF
2024-07-30WAL251PWACONTRA COSTA, COUNTY OF
2024-07-30KZD403PWACONTRA COSTA, COUNTY OF
2024-07-09WNNK470IGAContra Costa, County of
2024-07-09KWO574PWACONTRA COSTA, COUNTY OF
2024-07-09KM6567PWACONTRA COSTA, COUNTY OF
2024-07-09WQBD248GEACONTRA COSTA, COUNTY OF
2024-06-05WNQE218PWACONTRA COSTA, COUNTY OF
2024-06-03WSDE271MWAContra Costa County
2024-05-29WSDC804MWAContra Costa County
2024-05-22WSDA595MWAContra Costa County
2024-05-22WSDA596MWCContra Costa County
2024-05-21KZD411PWACONTRA COSTA, COUNTY OF
2024-05-21WBL505PWACONTRA COSTA, COUNTY OF
2024-05-03WO6421SAACONTRA COSTA, COUNTY OF
2024-04-03WPNU981PWACONTRA COSTA, COUNTY OF
2024-03-26KWO573PWACONTRA COSTA, COUNTY OF
2024-03-26WQAK409GEACONTRA COSTA, COUNTY OF
2024-03-26WNPM681PWACONTRA COSTA, COUNTY OF
2024-03-26WPNT643GEACONTRA COSTA, COUNTY OF
2024-03-05WNPL783PWACONTRA COSTA, COUNTY OF
2024-03-05KDU876PWACONTRA COSTA, COUNTY OF
2024-01-05KMB592PWACONTRA COSTA, COUNTY OF
2024-01-05KWJ288PWACONTRA COSTA, COUNTY OF
2024-01-05KMA470PWACONTRA COSTA, COUNTY OF
2024-01-05KJC967PWACONTRA COSTA, COUNTY OF
2023-11-03KDN478PWACONTRA COSTA, COUNTY OF
2023-11-03WPMV687PWACONTRA COSTA, COUNTY OF
2023-10-06WNLC273IGAContra Costa, County of
2023-09-07KUX587IGAContra Costa, County of

Antenna Structure Registrations

IssuedRegistrationRegistrantStatus
2022-01-101321607Contra Costa CountyNT
2012-06-221256523CONTRA COSTA, COUNTY OFAU
2012-06-221013607CONTRA COSTA, COUNTY OFAU
2012-06-221232054CONTRA COSTA, COUNTY OFAU
2012-06-221232070CONTRA COSTA, COUNTY OFAU
2012-06-221232071CONTRA COSTA, COUNTY OFAU

Source provenance

SystemRecordRecorded nameRaw FRNObserved
ASR6462aa1fd41b6434bea09ab09f49ff6652514fb5d2d28eb996c12e361caaebefCONTRA COSTA, COUNTY OF00015401452026-08-05 23:18:31
ULS02ae4eea5d49f5eeefd31445544cc5dee677e7bbb4d7bf11c24d5d574e52db73CONTRA COSTA, COUNTY OF00015401452026-08-05 05:18:30
ASR48667c212171bf817cafa39315ade4b04a78b772b5beb2fe57cac79577a8b357CONTRA COSTA, COUNTY OF00015401452026-08-04 15:48:24
ULS020665198344167d2d09826be919ade8166aba40b3265175383216a05cd81134CONTRA COSTA, COUNTY OF00015401452026-08-04 07:18:28
ULS01e023387460844ab0faa2b38fee7850197f0c276dcbc8aecb784a7f93ce5be2CONTRA COSTA, COUNTY OF00015401452026-08-04 00:48:25
ULS015055371661631cd9d0b623ce959ba1451561163b55f914d3d178e8e2985e01CONTRA COSTA, COUNTY OF00015401452026-08-03 02:48:26
CORES0001540145Contra Costa County00015401452026-08-02 06:48:24
ULS01068c4d1ff3a635ad0022e29e28b1b66db7fd2b19695597c5877938de0f1293CONTRA COSTA, COUNTY OF00015401452026-08-02 06:48:21
ULS00578b8d47831a0df21ffd3a8d91055d323213a640419c9a8bf9eebc506b8255CONTRA COSTA, COUNTY OF00015401452026-08-01 06:18:13
ASR0837024b8c2316fc4a2b1173b99929332fc78d250f15beb5e6453086efab8e11CONTRA COSTA, COUNTY OF00015401452026-08-01 02:48:11
ULS0027eba022264f3f97fa0de85122d7a96e9f616b88949f8043b321a7231eb844CONTRA COSTA, COUNTY OF00015401452026-07-31 22:18:10

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