Tower 1251816 — Half Moon Bay, CA
ConstructedFCC Antenna Structure Registration 1251816 — tower (type not specified) near Half Moon Bay, California. Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole.
At a glance
FCC Antenna Structure Registration 1251816 is a 7 m (23 ft) tower near Half Moon Bay, San Mateo County, California. Its registration status is constructed, with construction recorded on Jul 12, 2006. It is registered to SAN MATEO COUNTY, which holds 41 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1251816 |
| Unique system identifier | 2650980 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Jul 12, 2006 |
| Registration issued | Jan 26, 2006 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2005-AWP-540-NRA |
| FAA circular | 70/7460-1K |
| Painting / lighting spec | 4, 5, 12 |
| Marking / lighting code | FAA Style A (9) |
The painting/lighting specification is copied as filed: the FAA marking and lighting chapters and paragraphs cited in the ASR record. The marking/lighting code is decoded using the FCC registration form's code list.
Registered owner
San Carlos, CA · FRN 0006156368
Holds 41 FCC structure registrations — view the full portfolio →
Location
- Address
- HALF MOON BAY AIRPORT
- City
- Half Moon Bay
- State
- California
- ZIP
- 94019
- County
- San Mateo County
- County FIPS
- 06081
- Coordinates
- 37.51372, -122.49975
Within ~40 km
Nearby structures
Lattice tower · Constructed
Building with antenna · Constructed
Building with antenna · Granted (not yet constructed)
Building with antenna · Terminated
Building with antenna · Terminated
Building with pipe · Constructed
How tall is structure 1251816 compared with others?
At 7 m, structure 1251816 is about 32% of the 22 m average across the 330 structures registered in San Mateo County. It is about 22% of the California average of 32 m across 11,860 registrations. Among the 75,247 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is about 9% of that figure.
The site's filed ground elevation is 12 m, which puts the top of the structure 19 m above mean sea level.
Where is structure 1251816, and what is registered around it?
The registration places the structure near Half Moon Bay in San Mateo County, California, at coordinates 37.51372, -122.49975, with the site address filed as "HALF MOON BAY AIRPORT". San Mateo County has 330 FCC-registered antenna structures, the 11th-largest count among the 58 California counties with registrations, and 153 of them are marked constructed. California as a whole has 11,860 registrations, the 2nd-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is San Francisco, CA · 1001289, a lattice tower at 298 m (constructed).
What does the status "Constructed" mean?
Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1251816 on Jan 26, 2006. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 6,866 in California.
Who owns antenna structure 1251816?
The FCC record lists SAN MATEO COUNTY of San Carlos, CA as the registered owner, under FCC Registration Number 0006156368. Across the registry it holds 41 structure registrations, the 408th-largest portfolio among the 7,865 owners with two or more, including 9 in California. Its most common filed structure-type code is TOWER (40 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2005-AWP-540-NRA and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 9, is listed on the FCC registration form as "FAA Style A". The painting and lighting specification on file cites FAA chapters 4, 5, 12.
Frequently asked questions
How tall is antenna structure 1251816?
Its registered overall height above ground is 7 m (23 ft), and 19 m (63 ft) above mean sea level.
Who owns tower 1251816?
The registered owner is SAN MATEO COUNTY, which holds 41 FCC antenna structure registrations.
Where is antenna structure 1251816?
It is located near Half Moon Bay, San Mateo County, California at HALF MOON BAY AIRPORT (37.51372, -122.49975). Its status is constructed; it was constructed on Jul 12, 2006.
What type of structure is 1251816?
It is filed with the FCC under structure-type code TOWER, which decodes to "Tower (type not specified)". Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole. 75,247 registrations nationwide use the same code.
How many antenna structures are registered in San Mateo County, CA?
San Mateo County has 330 FCC-registered antenna structures, 153 of them constructed — the 11th-largest count among 58 counties in California.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1251816, weekly bulk file.
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 13, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structure 1251816, Half Moon Bay, San Mateo County, California”, https://towercensus.com/towers/california/half-moon-bay-1251816 (data as of October 13, 2026).