Tower 1221824 — El Grenada, CA
ConstructedFCC Antenna Structure Registration 1221824 — tower (type not specified) near El Grenada, 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 1221824 is a 18 m (60 ft) tower near El Grenada, San Mateo County, California. Its registration status is constructed, with construction recorded on Nov 10, 2000. It is registered to Crown Castle, which holds 210 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1221824 |
| Unique system identifier | 2619568 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Nov 10, 2000 |
| Registration issued | Jan 23, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 00-AWP-3743-OE |
| FAA circular | — |
| Painting / lighting spec | NONE |
| Marking / lighting code | None (1) |
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
Cannonsburg, PA · FRN 0005796594
Holds 210 FCC structure registrations — view the full portfolio →
Location
- Address
- Devil's Peak
- City
- El Grenada
- State
- California
- ZIP
- 94019
- County
- San Mateo County
- County FIPS
- 06081
- Coordinates
- 37.54308, -122.44653
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 antenna · Terminated
How tall is structure 1221824 compared with others?
At 18 m, structure 1221824 is about 18% below the 22 m average across the 330 structures registered in San Mateo County. It is about 43% below 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 24% of that figure.
The site's filed ground elevation is 548 m, which puts the top of the structure 566 m above mean sea level.
Where is structure 1221824, and what is registered around it?
The registration places the structure near El Grenada in San Mateo County, California, at coordinates 37.54308, -122.44653, with the site address filed as "Devil's Peak". 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 1221824 on Jan 23, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 6,866 in California.
Who owns antenna structure 1221824?
The FCC record lists Crown Castle of Cannonsburg, PA as the registered owner, under FCC Registration Number 0005796594. Across the registry it holds 210 structure registrations, the 107th-largest portfolio among the 7,865 owners with two or more, including 35 in California. Its most common filed structure-type code is TOWER (157 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 00-AWP-3743-OE, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".
Frequently asked questions
How tall is antenna structure 1221824?
Its registered overall height above ground is 18 m (60 ft), and 566 m (1,857 ft) above mean sea level.
Who owns tower 1221824?
The registered owner is Crown Castle, which holds 210 FCC antenna structure registrations.
Where is antenna structure 1221824?
It is located near El Grenada, San Mateo County, California at Devil's Peak (37.54308, -122.44653). Its status is constructed; it was constructed on Nov 10, 2000.
What type of structure is 1221824?
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 1221824, 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 1221824, El Grenada, San Mateo County, California”, https://towercensus.com/towers/california/el-grenada-1221824 (data as of October 13, 2026).