Monopole 1325091 — Crystal Lake, IL
ConstructedFCC Antenna Structure Registration 1325091 — monopole near Crystal Lake, Illinois. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1325091 is a 57 m (186 ft) monopole near Crystal Lake, McHenry County, Illinois. Its registration status is constructed, with construction recorded on Sep 11, 1998. It is registered to STC Two LLC, which holds 938 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1325091 |
| Unique system identifier | 2725341 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Sep 11, 1998 |
| Registration issued | Jan 22, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2021-AGL-24286-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 0013810130
Holds 938 FCC structure registrations — view the full portfolio →
Location
- Address
- 4506 RAY STREET
- City
- Crystal Lake
- State
- Illinois
- ZIP
- 60012
- County
- McHenry County
- County FIPS
- 17111
- Coordinates
- 42.25369, -88.28425
Within ~40 km
Nearby structures
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Unspecified structure · Dismantled
- Itasca, IL · 1013846212 m
Unspecified structure · Dismantled
- Elgin, IL · 1009079152 m
Tower (type not specified) · Constructed
Structure type 2TOWER · Constructed
Tower (type not specified) · Constructed
How tall is structure 1325091 compared with others?
At 57 m, structure 1325091 is roughly in line with the 59 m average across the 190 structures registered in McHenry County. It is about 18% below the Illinois average of 69 m across 7,113 registrations. Among the 24,665 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about 35% above that figure.
The supporting structure itself measures 55 m; antennas and other appurtenances on top bring the overall height above ground to 57 m. The site's filed ground elevation is 10 m, which puts the top of the structure 67 m above mean sea level.
Where is structure 1325091, and what is registered around it?
The registration places the structure near Crystal Lake in McHenry County, Illinois, at coordinates 42.25369, -88.28425, with the site address filed as "4506 RAY STREET". McHenry County has 190 FCC-registered antenna structures, the 5th-largest count among the 102 Illinois counties with registrations, and 123 of them are marked constructed. Illinois as a whole has 7,113 registrations, the 6th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Elk Grove Village, IL · 1007548, a tower at 229 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 1325091 on Jan 22, 2026. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 5,174 in Illinois.
Who owns antenna structure 1325091?
The FCC record lists STC Two LLC of Bellevue, WA as the registered owner, under FCC Registration Number 0013810130. Across the registry it holds 938 structure registrations, the 30th-largest portfolio among the 7,865 owners with two or more, including 126 in Illinois. Its most common filed structure-type code is TOWER (670 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2021-AGL-24286-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 1325091?
Its registered overall height above ground is 57 m (186 ft), and 67 m (218 ft) above mean sea level.
Who owns tower 1325091?
The registered owner is STC Two LLC, which holds 938 FCC antenna structure registrations.
Where is antenna structure 1325091?
It is located near Crystal Lake, McHenry County, Illinois at 4506 RAY STREET (42.25369, -88.28425). Its status is constructed; it was constructed on Sep 11, 1998.
What type of structure is 1325091?
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. 24,665 registrations nationwide use the same code.
How many antenna structures are registered in McHenry County, IL?
McHenry County has 190 FCC-registered antenna structures, 123 of them constructed — the 5th-largest count among 102 counties in Illinois.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1325091, 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 1325091, Crystal Lake, McHenry County, Illinois”, https://towercensus.com/towers/illinois/crystal-lake-1325091 (data as of October 20, 2026).