Pole 1231121 — Rancho Cucamonga, CA
DismantledFCC Antenna Structure Registration 1231121 — pole near Rancho Cucamonga, California. Wood, steel or concrete pole.
At a glance
FCC Antenna Structure Registration 1231121 is a 16 m (53 ft) pole near Rancho Cucamonga, San Bernardino County, California. Its registration status is dismantled, with construction recorded on Dec 12, 2001, and the FCC record shows it dismantled on Feb 24, 2023. It is registered to T-Mobile West LLC, which holds 1,634 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1231121 |
| Unique system identifier | 2629110 |
| Status | Dismantled (I) |
| Structure type | Pole (POLE) |
| Date constructed | Dec 12, 2001 |
| Registration issued | Feb 27, 2023 |
| Date dismantled | Feb 24, 2023 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 01-AWP-4293-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
Bellevue, WA · FRN 0002837276
Holds 1,634 FCC structure registrations — view the full portfolio →
Location
- Address
- 8797 Rochester Avenue
- City
- Rancho Cucamonga
- State
- California
- ZIP
- 91730
- County
- San Bernardino County
- County FIPS
- 06071
- Coordinates
- 34.09300, -117.54475
Within ~40 km
Nearby structures
Building · Terminated
- Brea, CA · 1240006145 m
Tower (type not specified) · Constructed
- Brea, CA · 1015437145 m
Antenna tower array (tower 2 of 5) · Terminated
- Brea, CA · 1015438145 m
Antenna tower array (tower 3 of 5) · Constructed
- Brea, CA · 1015436145 m
Antenna tower array (tower 1 of 5) · Constructed
- Brea, CA · 1015439145 m
Antenna tower array (tower 4 of 5) · Constructed
How tall is structure 1231121 compared with others?
At 16 m, structure 1231121 is about 43% below the 28 m average across the 956 structures registered in San Bernardino County. It is about half of the California average of 32 m across 11,860 registrations. Among the 16,546 registrations nationwide filed under the same structure-type code (POLE), the average overall height is 31 m, so this one is about half of that figure.
The site's filed ground elevation is 344 m, which puts the top of the structure 360 m above mean sea level.
Where is structure 1231121, and what is registered around it?
The registration places the structure near Rancho Cucamonga in San Bernardino County, California, at coordinates 34.09300, -117.54475, with the site address filed as "8797 Rochester 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 "Dismantled" mean?
Dismantled means the owner has notified the FCC that the structure was taken down. The FCC issued registration 1231121 on Feb 27, 2023. Nationally, 12,669 of the 197,770 registrations (6.4%) carry the dismantled status, including 960 in California.
Who owns antenna structure 1231121?
The FCC record lists T-Mobile West LLC of Bellevue, WA as the registered owner, under FCC Registration Number 0002837276. Across the registry it holds 1,634 structure registrations, the 17th-largest portfolio among the 7,865 owners with two or more, including 785 in California. Its most common filed structure-type code is BANT (372 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 01-AWP-4293-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 1231121?
Its registered overall height above ground is 16 m (53 ft), and 360 m (1,181 ft) above mean sea level.
Who owns tower 1231121?
The registered owner is T-Mobile West LLC, which holds 1,634 FCC antenna structure registrations.
Where is antenna structure 1231121?
It is located near Rancho Cucamonga, San Bernardino County, California at 8797 Rochester Avenue (34.09300, -117.54475). Its status is dismantled; it was constructed on Dec 12, 2001.
What type of structure is 1231121?
It is filed with the FCC under structure-type code POLE, which decodes to "Pole". Wood, steel or concrete pole. 16,546 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 1231121, 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 1231121, Rancho Cucamonga, San Bernardino County, California”, https://towercensus.com/towers/california/rancho-cucamonga-1231121 (data as of October 13, 2026).