TowerCensus

Tower 1257408 — Ontario, CA

Constructed

FCC Antenna Structure Registration 1257408 — tower (type not specified) near Ontario, California. Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole.

At a glance

FCC Antenna Structure Registration 1257408 is a 20 m (65 ft) tower near Ontario, San Bernardino County, California. Its registration status is constructed, with construction recorded on Jan 1, 2008. It is registered to NTCH-CA, Inc., which holds 8 FCC structure registrations.

Overall height
20 m
65 ft
Support structure
20 m
Top above sea level
282 m
Ground elevation
262 m
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≥ 150 m60–150 m30–60 m< 30 m
This entry + 6 nearby

Registration record

FCC record

FieldValue
Registration number (ASRN)1257408
Unique system identifier2656574
StatusConstructed (C)
Structure typeTower (type not specified) (TOWER)
Date constructedJan 1, 2008
Registration issuedMar 5, 2007

Aviation safety

FAA & lighting

FieldValue
FAA study number2006-AWP-793-OE
FAA circular—
Painting / lighting specNONE
Marking / lighting codeNone (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

NTCH-CA, Inc.

Wrightwood, CA · FRN 0007538416

Holds 8 FCC structure registrations — view the full portfolio →

Location

Address
S. Mountain Avenue and Francis Street
City
Ontario
ZIP
91762
County FIPS
06071
Coordinates
34.04061, -117.66719

Within ~40 km

Nearby structures

How tall is structure 1257408 compared with others?

At 20 m, structure 1257408 is about 30% below the 28 m average across the 957 structures registered in San Bernardino County. It is about 39% below the California average of 32 m across 11,862 registrations. Among the 75,198 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is about 26% of that figure.

The site's filed ground elevation is 262 m, which puts the top of the structure 282 m above mean sea level.

Where is structure 1257408, and what is registered around it?

The registration places the structure near Ontario in San Bernardino County, California, at coordinates 34.04061, -117.66719, with the site address filed as "S. Mountain Avenue and Francis Street". 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 1257408 on Mar 5, 2007. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 6,869 in California.

Who owns antenna structure 1257408?

The FCC record lists NTCH-CA, Inc. of Wrightwood, CA as the registered owner, under FCC Registration Number 0007538416. Across the registry it holds 8 structure registrations, including 8 in California. Its most common filed structure-type code is TOWER (8 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2006-AWP-793-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 1257408?

Its registered overall height above ground is 20 m (65 ft), and 282 m (925 ft) above mean sea level.

Who owns tower 1257408?

The registered owner is NTCH-CA, Inc., which holds 8 FCC antenna structure registrations.

Where is antenna structure 1257408?

It is located near Ontario, San Bernardino County, California at S. Mountain Avenue and Francis Street (34.04061, -117.66719). Its status is constructed; it was constructed on Jan 1, 2008.

What type of structure is 1257408?

It is filed with the FCC under structure-type code TOWER, which decodes to "Tower (type not specified)". Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole. 75,198 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 1257408, 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 1257408, Ontario, San Bernardino County, California”, https://towercensus.com/towers/california/ontario-1257408 (data as of October 20, 2026).