Building tower 1204981 — Ontario, CA
TerminatedFCC Antenna Structure Registration 1204981 — building with tower near Ontario, California. Building with a tower on top.
At a glance
FCC Antenna Structure Registration 1204981 is a 27 m (90 ft) building tower near Ontario, San Bernardino County, California. Its registration status is terminated. It is registered to COUNTY OF SAN BERNARDINO, which holds 20 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1204981 |
| Unique system identifier | 2601819 |
| Status | Terminated (T) |
| Structure type | Building with tower (BTWR) |
| Date constructed | — |
| Registration issued | Oct 21, 1999 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 99-AWP-1226-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
San Bernardino, CA · FRN 0001526128
Holds 20 FCC structure registrations — view the full portfolio →
Location
- Address
- 320 E. "D" ST.
- City
- Ontario
- State
- California
- ZIP
- 91764
- County
- San Bernardino County
- County FIPS
- 06071
- Coordinates
- 34.06611, -117.64892
Within ~40 km
Nearby structures
Building · Terminated
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Guyed tower · Constructed
How tall is structure 1204981 compared with others?
At 27 m, structure 1204981 is roughly in line with the 28 m average across the 957 structures registered in San Bernardino County. It is about 15% below the California average of 32 m across 11,862 registrations. Among the 1,089 registrations nationwide filed under the same structure-type code (BTWR), the average overall height is 63 m, so this one is about 44% of that figure.
The supporting structure itself measures 14 m; antennas and other appurtenances on top bring the overall height above ground to 27 m. The site's filed ground elevation is 309 m, which puts the top of the structure 337 m above mean sea level.
Where is structure 1204981, and what is registered around it?
The registration places the structure near Ontario in San Bernardino County, California, at coordinates 34.06611, -117.64892, with the site address filed as "320 E. "D" ST.". 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 "Terminated" mean?
Terminated means the FCC has ended the registration. The FCC issued registration 1204981 on Oct 21, 1999. Nationally, 8,911 of the 197,833 registrations (4.5%) carry the terminated status, including 1,525 in California.
Who owns antenna structure 1204981?
The FCC record lists COUNTY OF SAN BERNARDINO of San Bernardino, CA as the registered owner, under FCC Registration Number 0001526128. Across the registry it holds 20 structure registrations, including 20 in California. Its most common filed structure-type code is TOWER (9 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 99-AWP-1226-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 1204981?
Its registered overall height above ground is 27 m (90 ft), and 337 m (1,105 ft) above mean sea level.
Who owns tower 1204981?
The registered owner is COUNTY OF SAN BERNARDINO, which holds 20 FCC antenna structure registrations.
Where is antenna structure 1204981?
It is located near Ontario, San Bernardino County, California at 320 E. "D" ST. (34.06611, -117.64892). Its status is terminated.
What type of structure is 1204981?
It is filed with the FCC under structure-type code BTWR, which decodes to "Building with tower". Building with a tower on top. 1,089 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 1204981, 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 1204981, Ontario, San Bernardino County, California”, https://towercensus.com/towers/california/ontario-1204981 (data as of October 20, 2026).