TowerCensus

Mast 1225421 — Frankfort, IL

Constructed

FCC Antenna Structure Registration 1225421 — mast near Frankfort, Illinois. Slender vertical mast structure.

At a glance

FCC Antenna Structure Registration 1225421 is a 60 m (198 ft) mast near Frankfort, Will County, Illinois. Its registration status is constructed, with construction recorded on Aug 7, 2001. It is registered to American Towers LLC, which holds 21,809 FCC structure registrations.

Overall height
60 m
198 ft
Support structure
58 m
Top above sea level
280 m
Ground elevation
220 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)1225421
Unique system identifier2623168
StatusConstructed (C)
Structure typeMast (MAST)
Date constructedAug 7, 2001
Registration issuedJan 15, 2013

Aviation safety

FAA & lighting

FieldValue
FAA study number2007-AGL-9091-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

American Towers LLC

Woburn, MA · FRN 0011498342

Holds 21,809 FCC structure registrations — view the full portfolio →

Location

Address
11008 W. Lincoln Hwy. (Mokena #22203)
City
Frankfort
ZIP
60423
County FIPS
17197
Coordinates
41.50372, -87.88497

Within ~40 km

Nearby structures

How tall is structure 1225421 compared with others?

At 60 m, structure 1225421 is roughly in line with the 61 m average across the 331 structures registered in Will County. It is about 12% below the Illinois average of 69 m across 7,110 registrations. Among the 3,482 registrations nationwide filed under the same structure-type code (MAST), the average overall height is 53 m, so this one is about 13% above that figure.

The supporting structure itself measures 58 m; antennas and other appurtenances on top bring the overall height above ground to 60 m. The site's filed ground elevation is 220 m, which puts the top of the structure 280 m above mean sea level.

Where is structure 1225421, and what is registered around it?

The registration places the structure near Frankfort in Will County, Illinois, at coordinates 41.50372, -87.88497, with the site address filed as "11008 W. Lincoln Hwy. (Mokena #22203)". Will County has 331 FCC-registered antenna structures, the 2nd-largest count among the 102 Illinois counties with registrations, and 230 of them are marked constructed. Illinois as a whole has 7,110 registrations, the 6th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Chicago, IL · 1032959, a building tower at 527 m (constructed).

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 1225421 on Jan 15, 2013. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.

Who owns antenna structure 1225421?

The FCC record lists American Towers LLC of Woburn, MA as the registered owner, under FCC Registration Number 0011498342. Across the registry it holds 21,809 structure registrations, the largest portfolio among the 7,865 owners with two or more, including 881 in Illinois. Its most common filed structure-type code is LTOWER (5,885 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2007-AGL-9091-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 1225421?

Its registered overall height above ground is 60 m (198 ft), and 280 m (918 ft) above mean sea level.

Who owns tower 1225421?

The registered owner is American Towers LLC, which holds 21,809 FCC antenna structure registrations.

Where is antenna structure 1225421?

It is located near Frankfort, Will County, Illinois at 11008 W. Lincoln Hwy. (Mokena #22203) (41.50372, -87.88497). Its status is constructed; it was constructed on Aug 7, 2001.

What type of structure is 1225421?

It is filed with the FCC under structure-type code MAST, which decodes to "Mast". Slender vertical mast structure. 3,482 registrations nationwide use the same code.

How many antenna structures are registered in Will County, IL?

Will County has 331 FCC-registered antenna structures, 230 of them constructed — the 2nd-largest count among 102 counties in Illinois.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1225421, 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 1225421, Frankfort, Will County, Illinois”, https://towercensus.com/towers/illinois/frankfort-1225421 (data as of October 13, 2026).