Monopole 1256501 — Ontario, CA
ConstructedFCC Antenna Structure Registration 1256501 — monopole near Ontario, California. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1256501 is a 26 m (84 ft) monopole near Ontario, San Bernardino County, California. Its registration status is constructed, with construction recorded on Aug 5, 2022. It is registered to CCATT LLC, which holds 5,007 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1256501 |
| Unique system identifier | 2655667 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Aug 5, 2022 |
| Registration issued | Jan 8, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2021-AWP-14504-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
Canonsburg, PA · FRN 0023254592
Holds 5,007 FCC structure registrations — view the full portfolio →
Location
- Address
- 410 SEQUOIA AVENUE
- City
- Ontario
- State
- California
- ZIP
- 91761
- County
- San Bernardino County
- County FIPS
- 06071
- Coordinates
- 34.06575, -117.56714
Within ~40 km
Nearby structures
Building · Terminated
- Brea, CA · 1015437145 m
Antenna tower array (tower 2 of 5) · Terminated
- Brea, CA · 1240006145 m
Tower (type not specified) · Constructed
- Brea, CA · 1015438145 m
Antenna tower array (tower 3 of 5) · Constructed
- Brea, CA · 1015439145 m
Antenna tower array (tower 4 of 5) · Constructed
- Brea, CA · 1015436145 m
Antenna tower array (tower 1 of 5) · Constructed
How tall is structure 1256501 compared with others?
At 26 m, structure 1256501 is roughly in line with the 28 m average across the 956 structures registered in San Bernardino County. It is about 21% 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 39% below that figure.
The site's filed ground elevation is 296 m, which puts the top of the structure 321 m above mean sea level.
Where is structure 1256501, and what is registered around it?
The registration places the structure near Ontario in San Bernardino County, California, at coordinates 34.06575, -117.56714, with the site address filed as "410 SEQUOIA AVENUE". San Bernardino County has 956 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 11,860 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 1256501 on Jan 8, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 6,866 in California.
Who owns antenna structure 1256501?
The FCC record lists CCATT LLC of Canonsburg, PA as the registered owner, under FCC Registration Number 0023254592. Across the registry it holds 5,007 structure registrations, the 3rd-largest portfolio among the 7,865 owners with two or more, including 434 in California. Its most common filed structure-type code is TOWER (1,570 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2021-AWP-14504-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 1256501?
Its registered overall height above ground is 26 m (84 ft), and 321 m (1,054 ft) above mean sea level.
Who owns tower 1256501?
The registered owner is CCATT LLC, which holds 5,007 FCC antenna structure registrations.
Where is antenna structure 1256501?
It is located near Ontario, San Bernardino County, California at 410 SEQUOIA AVENUE (34.06575, -117.56714). Its status is constructed; it was constructed on Aug 5, 2022.
What type of structure is 1256501?
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 San Bernardino County, CA?
San Bernardino County has 956 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 1256501, 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 1256501, Ontario, San Bernardino County, California”, https://towercensus.com/towers/california/ontario-1256501 (data as of October 13, 2026).