TowerCensus

Monopole 1045321 — Mercer Island, WA

Granted (not yet constructed)

FCC Antenna Structure Registration 1045321 — monopole near Mercer Island, Washington. Single-shaft steel pole, the standard modern cell-site structure.

At a glance

FCC Antenna Structure Registration 1045321 is a 46 m (152 ft) monopole near Mercer Island, King County, Washington. Its registration status is granted (not yet constructed), with construction recorded on Nov 1, 2004. It is registered to STC Five LLC, which holds 1,373 FCC structure registrations.

Overall height
46 m
152 ft
Support structure
46 m
Top above sea level
150 m
Ground elevation
104 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)1045321
Unique system identifier607989
StatusGranted (not yet constructed) (G)
Structure typeMonopole (MTOWER)
Date constructedNov 1, 2004
Registration issuedJan 22, 2026

Aviation safety

FAA & lighting

FieldValue
FAA study number2023-ANM-4941-OE
FAA circular70/7460-1J
Painting / lighting spec4, 5, 13
Marking / lighting codeFAA Style A (9)

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

STC Five LLC

Bellevue, WA · FRN 0013810239

Holds 1,373 FCC structure registrations — view the full portfolio →

Location

Address
8477 SE 68TH
City
Mercer Island
ZIP
98040
County FIPS
53033
Coordinates
47.54167, -122.22361

Within ~40 km

Nearby structures

How tall is structure 1045321 compared with others?

At 46 m, structure 1045321 is about 28% above the 36 m average across the 901 structures registered in King County. It is roughly in line with the Washington average of 42 m across 3,660 registrations. Among the 24,638 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about 11% above that figure.

The site's filed ground elevation is 104 m, which puts the top of the structure 150 m above mean sea level.

Where is structure 1045321, and what is registered around it?

The registration places the structure near Mercer Island in King County, Washington, at coordinates 47.54167, -122.22361, with the site address filed as "8477 SE 68TH". King County has 901 FCC-registered antenna structures, the largest count among the 38 Washington counties with registrations, and 587 of them are marked constructed. Washington as a whole has 3,660 registrations, the 26th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Seattle, WA · 1314042, a building antenna at 288 m (granted (not yet constructed)).

What does the status "Granted (not yet constructed)" mean?

Granted means the FCC has issued the registration, but the record does not yet carry the owner's notice that construction was completed. The FCC issued registration 1045321 on Jan 22, 2026. Nationally, 18,387 of the 197,770 registrations (9.3%) carry the granted (not yet constructed) status, including 339 in Washington.

Who owns antenna structure 1045321?

The FCC record lists STC Five LLC of Bellevue, WA as the registered owner, under FCC Registration Number 0013810239. Across the registry it holds 1,373 structure registrations, the 21st-largest portfolio among the 7,865 owners with two or more, including 62 in Washington. Its most common filed structure-type code is TOWER (830 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2023-ANM-4941-OE and FAA Advisory Circular 70/7460-1J, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 9, is listed on the FCC registration form as "FAA Style A". The painting and lighting specification on file cites FAA chapters 4, 5, 13.

Frequently asked questions

How tall is antenna structure 1045321?

Its registered overall height above ground is 46 m (152 ft), and 150 m (492 ft) above mean sea level.

Who owns tower 1045321?

The registered owner is STC Five LLC, which holds 1,373 FCC antenna structure registrations.

Where is antenna structure 1045321?

It is located near Mercer Island, King County, Washington at 8477 SE 68TH (47.54167, -122.22361). Its status is granted (not yet constructed); it was constructed on Nov 1, 2004.

What type of structure is 1045321?

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. 24,638 registrations nationwide use the same code.

How many antenna structures are registered in King County, WA?

King County has 901 FCC-registered antenna structures, 587 of them constructed — the largest count among 38 counties in Washington.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1045321, 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 1045321, Mercer Island, King County, Washington”, https://towercensus.com/towers/washington/mercer-island-1045321 (data as of October 13, 2026).