CONTRA COSTA, COUNTY OF
Registered owner of 6 FCC antenna structures · FCC licensee ID L00001406. Every structure below links to its full registration page.
At a glance
CONTRA COSTA, COUNTY OF is the registered owner of 6 antenna structures in the FCC Antenna Structure Registration database, filed under FCC licensee ID L00001406. Its largest footprint is in California, with 6 registrations. Its tallest constructed structure is 47 m (153 ft) near Clayton, CA.
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
Portfolio
Tallest structures
| # | Structure | Height | Type |
|---|---|---|---|
| 1 | Clayton, CA · 1232070 | 47 m | Tower (type not specified) |
| 2 | Martinez, CA · 1256523 | 44 m | Tower (type not specified) |
| 3 | Orinda, CA · 1232071 | 44 m | Tower (type not specified) |
| 4 | Martinez, CA · 1013607 | 43 m | Tower (type not specified) |
| 5 | Martinez, CA · 1232054 | 37 m | Tower (type not specified) |
| 6 | Martinez, CA · 1321607 | 18 m | Lattice tower |
Footprint
States
| State | Structures |
|---|---|
| California | 6 |
Mix
Structure types
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Where does CONTRA COSTA, COUNTY OF own antenna structures?
All of CONTRA COSTA, COUNTY OF's registrations are in California. In California it holds 6, which is 0.05% of the 11,862 structures registered in the state.
How does CONTRA COSTA, COUNTY OF compare with other tower owners?
CONTRA COSTA, COUNTY OF holds 6 of the 197,833 registrations in the FCC registry. It is one of the 7,865 owners holding two or more registrations, out of 20,857 distinct owners in all.
What kinds of structures does CONTRA COSTA, COUNTY OF register?
The most common filed structure type in the portfolio is tower (code TOWER), with 5 registrations or 83.3% of the total. It also registers lattice tower (1).
The tallest constructed structure in the portfolio is registration 1232070, a tower near Clayton, CA at 47 m (153 ft). That is about 32% below the national average registered height of 69 m.
Frequently asked questions
How many towers does CONTRA COSTA, COUNTY OF own?
CONTRA COSTA, COUNTY OF holds 6 FCC antenna structure registrations, with the largest concentration in California (6). Only FCC-registrable structures are counted — shorter sites below the registration threshold don't appear.
What is the tallest structure CONTRA COSTA, COUNTY OF owns?
Its tallest registered structure is 47 m (153 ft) near Clayton, CA (registration 1232070).
Where does CONTRA COSTA, COUNTY OF own towers?
All 6 of its registrations are in California.
What kind of towers does CONTRA COSTA, COUNTY OF own?
Most of its registrations are filed as tower (type not specified) (5 of 6).
What is CONTRA COSTA, COUNTY OF's FCC licensee ID?
The FCC Antenna Structure Registration records group these structures under licensee ID L00001406.
Related pages
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “CONTRA COSTA, COUNTY OF antenna structure portfolio (FCC licensee L00001406)”, https://towercensus.com/owners/contra-costa-county-of-l00001406 (data as of October 20, 2026).