Tower 1231809 — San Bruno, CA
ConstructedFCC Antenna Structure Registration 1231809 — tower (type not specified) near San Bruno, 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 1231809 is a 20 m (65 ft) tower near San Bruno, San Mateo County, California. Its registration status is constructed, with construction recorded on Sep 25, 2002. It is registered to County of San Mateo, which holds 2 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1231809 |
| Unique system identifier | 2629798 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Sep 25, 2002 |
| Registration issued | Jan 15, 2002 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 01-AWP-4440-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
Redwood City, CA · FRN 0001539840
Holds 2 FCC structure registrations — view the full portfolio →
Location
- Address
- 2 miles west of Highway 35 on Sneath Lane
- City
- San Bruno
- State
- California
- ZIP
- 94066
- County
- San Mateo County
- County FIPS
- 06081
- Coordinates
- 37.60881, -122.45747
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 1231809 compared with others?
At 20 m, structure 1231809 is about 11% below the 22 m average across the 330 structures registered in San Mateo County. It is about 39% below the California average of 32 m across 11,862 registrations. Among the 75,198 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is about 26% of that figure.
The supporting structure itself measures 12 m; antennas and other appurtenances on top bring the overall height above ground to 20 m. The site's filed ground elevation is 381 m, which puts the top of the structure 401 m above mean sea level.
Where is structure 1231809, and what is registered around it?
The registration places the structure near San Bruno in San Mateo County, California, at coordinates 37.60881, -122.45747, with the site address filed as "2 miles west of Highway 35 on Sneath Lane". 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 11,862 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 1231809 on Jan 15, 2002. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 6,869 in California.
Who owns antenna structure 1231809?
The FCC record lists County of San Mateo of Redwood City, CA as the registered owner, under FCC Registration Number 0001539840. Across the registry it holds 2 structure registrations, including 2 in California. Its most common filed structure-type code is TOWER (2 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 01-AWP-4440-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 1231809?
Its registered overall height above ground is 20 m (65 ft), and 401 m (1,315 ft) above mean sea level.
Who owns tower 1231809?
The registered owner is County of San Mateo, which holds 2 FCC antenna structure registrations.
Where is antenna structure 1231809?
It is located near San Bruno, San Mateo County, California at 2 miles west of Highway 35 on Sneath Lane (37.60881, -122.45747). Its status is constructed; it was constructed on Sep 25, 2002.
What type of structure is 1231809?
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. 75,198 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 1231809, weekly bulk file.
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, “Antenna structure 1231809, San Bruno, San Mateo County, California”, https://towercensus.com/towers/california/san-bruno-1231809 (data as of October 20, 2026).