Monopole 1278114 — Altadena, CA
ConstructedFCC Antenna Structure Registration 1278114 — monopole near Altadena, California. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1278114 is a 22 m (73 ft) monopole near Altadena, Los Angeles County, California. Its registration status is constructed, with construction recorded on Mar 10, 2011. It is registered to SBA Monarch Towers I, LLC, which holds 1,078 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1278114 |
| Unique system identifier | 2677542 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Mar 10, 2011 |
| Registration issued | Sep 28, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2026-AWP-14837-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
Boca Raton, FL · FRN 0021672423
Holds 1,078 FCC structure registrations — view the full portfolio →
Location
- Address
- 1456 E. Mendocino St. (CA40791-T)
- City
- Altadena
- State
- California
- ZIP
- 91001
- County
- Los Angeles County
- County FIPS
- 06037
- Coordinates
- 34.18544, -118.11897
Within ~40 km
Nearby structures
Building · Terminated
Guyed tower · Constructed
Guyed tower · Constructed
Building with tower · Terminated
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
How tall is structure 1278114 compared with others?
At 22 m, structure 1278114 is about 20% below the 28 m average across the 2,132 structures registered in Los Angeles County. It is about 31% below the California average of 32 m across 11,860 registrations. Among the 24,638 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about half of that figure.
The supporting structure itself measures 19 m; antennas and other appurtenances on top bring the overall height above ground to 22 m. The site's filed ground elevation is 384 m, which puts the top of the structure 406 m above mean sea level.
Where is structure 1278114, and what is registered around it?
The registration places the structure near Altadena in Los Angeles County, California, at coordinates 34.18544, -118.11897, with the site address filed as "1456 E. Mendocino St. (CA40791-T)". Los Angeles County has 2,132 FCC-registered antenna structures, the largest count among the 58 California counties with registrations, and 1,296 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 Claremont, CA · 1012733, a building at 431 m (terminated).
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 1278114 on Sep 28, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 6,866 in California.
Who owns antenna structure 1278114?
The FCC record lists SBA Monarch Towers I, LLC of Boca Raton, FL as the registered owner, under FCC Registration Number 0021672423. Across the registry it holds 1,078 structure registrations, the 25th-largest portfolio among the 7,865 owners with two or more, including 156 in California. Its most common filed structure-type code is TOWER (429 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2026-AWP-14837-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 1278114?
Its registered overall height above ground is 22 m (73 ft), and 406 m (1,332 ft) above mean sea level.
Who owns tower 1278114?
The registered owner is SBA Monarch Towers I, LLC, which holds 1,078 FCC antenna structure registrations.
Where is antenna structure 1278114?
It is located near Altadena, Los Angeles County, California at 1456 E. Mendocino St. (CA40791-T) (34.18544, -118.11897). Its status is constructed; it was constructed on Mar 10, 2011.
What type of structure is 1278114?
It is filed with the FCC under structure-type code MTOWER, which decodes to "Monopole". Single-shaft steel pole, the standard modern cell-site structure. 24,638 registrations nationwide use the same code.
How many antenna structures are registered in Los Angeles County, CA?
Los Angeles County has 2,132 FCC-registered antenna structures, 1,296 of them constructed — the largest count among 58 counties in California.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1278114, 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 1278114, Altadena, Los Angeles County, California”, https://towercensus.com/towers/california/altadena-1278114 (data as of October 13, 2026).