Monopole 1317404 — Ontario, CA
ConstructedFCC Antenna Structure Registration 1317404 — monopole near Ontario, California. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1317404 is a 22 m (72 ft) monopole near Ontario, San Bernardino County, California. Its registration status is constructed, with construction recorded on Jun 7, 2021. It is registered to AT&T Mobility Spectrum LLC, which holds 1,607 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1317404 |
| Unique system identifier | 2717188 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Jun 7, 2021 |
| Registration issued | Sep 30, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2021-AWP-7716-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
Plano, TX · FRN 0014980726
Holds 1,607 FCC structure registrations — view the full portfolio →
Location
- Address
- 420 E Riverside Drive
- City
- Ontario
- State
- California
- ZIP
- 91761
- County
- San Bernardino County
- County FIPS
- 06071
- Coordinates
- 34.01875, -117.64681
Within ~40 km
Nearby structures
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How tall is structure 1317404 compared with others?
At 22 m, structure 1317404 is about 23% below the 28 m average across the 957 structures registered in San Bernardino County. It is about 32% below the California average of 32 m across 11,862 registrations. Among the 24,665 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 20 m; antennas and other appurtenances on top bring the overall height above ground to 22 m. The site's filed ground elevation is 239 m, which puts the top of the structure 261 m above mean sea level.
Where is structure 1317404, and what is registered around it?
The registration places the structure near Ontario in San Bernardino County, California, at coordinates 34.01875, -117.64681, with the site address filed as "420 E Riverside Drive". San Bernardino County has 957 FCC-registered antenna structures, the 2nd-largest count among the 58 California counties with registrations, and 580 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 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 1317404 on Sep 30, 2025. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 6,869 in California.
Who owns antenna structure 1317404?
The FCC record lists AT&T Mobility Spectrum LLC of Plano, TX as the registered owner, under FCC Registration Number 0014980726. Across the registry it holds 1,607 structure registrations, the 19th-largest portfolio among the 7,865 owners with two or more, including 433 in California. Its most common filed structure-type code is MTOWER (628 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2021-AWP-7716-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 1317404?
Its registered overall height above ground is 22 m (72 ft), and 261 m (857 ft) above mean sea level.
Who owns tower 1317404?
The registered owner is AT&T Mobility Spectrum LLC, which holds 1,607 FCC antenna structure registrations.
Where is antenna structure 1317404?
It is located near Ontario, San Bernardino County, California at 420 E Riverside Drive (34.01875, -117.64681). Its status is constructed; it was constructed on Jun 7, 2021.
What type of structure is 1317404?
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. 24,665 registrations nationwide use the same code.
How many antenna structures are registered in San Bernardino County, CA?
San Bernardino County has 957 FCC-registered antenna structures, 580 of them constructed — the 2nd-largest count among 58 counties in California.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1317404, 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 1317404, Ontario, San Bernardino County, California”, https://towercensus.com/towers/california/ontario-1317404 (data as of October 20, 2026).