Monopole 1230859 — Allyn, WA
ConstructedFCC Antenna Structure Registration 1230859 — monopole near Allyn, Washington. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1230859 is a 48 m (158 ft) monopole near Allyn, Mason County, Washington. Its registration status is constructed, with construction recorded on Mar 30, 2001. It is registered to SBA Structures, LLC, which holds 1,611 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1230859 |
| Unique system identifier | 2628848 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Mar 30, 2001 |
| Registration issued | Oct 17, 2024 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2024-ANM-3649-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
Boca Raton, FL · FRN 0015721665
Holds 1,611 FCC structure registrations — view the full portfolio →
Location
- Address
- 291 East Twilight Way (WA21091-A)
- City
- Allyn
- State
- Washington
- ZIP
- 98584
- County
- Mason County
- County FIPS
- 53045
- Coordinates
- 47.32975, -122.88056
Within ~40 km
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How tall is structure 1230859 compared with others?
At 48 m, structure 1230859 is roughly in line with the 51 m average across the 34 structures registered in Mason County. It is about 14% above 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 15% above that figure.
The supporting structure itself measures 46 m; antennas and other appurtenances on top bring the overall height above ground to 48 m. The site's filed ground elevation is 84 m, which puts the top of the structure 133 m above mean sea level.
Where is structure 1230859, and what is registered around it?
The registration places the structure near Allyn in Mason County, Washington, at coordinates 47.32975, -122.88056, with the site address filed as "291 East Twilight Way (WA21091-A)". Mason County has 34 FCC-registered antenna structures, the 27th-largest count among the 38 Washington counties with registrations, and 17 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 Bremerton, WA · 1049708, a guyed tower at 215 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 1230859 on Oct 17, 2024. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 2,531 in Washington.
Who owns antenna structure 1230859?
The FCC record lists SBA Structures, LLC of Boca Raton, FL as the registered owner, under FCC Registration Number 0015721665. Across the registry it holds 1,611 structure registrations, the 18th-largest portfolio among the 7,865 owners with two or more. Its most common filed structure-type code is TOWER (608 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2024-ANM-3649-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 1230859?
Its registered overall height above ground is 48 m (158 ft), and 133 m (435 ft) above mean sea level.
Who owns tower 1230859?
The registered owner is SBA Structures, LLC, which holds 1,611 FCC antenna structure registrations.
Where is antenna structure 1230859?
It is located near Allyn, Mason County, Washington at 291 East Twilight Way (WA21091-A) (47.32975, -122.88056). Its status is constructed; it was constructed on Mar 30, 2001.
What type of structure is 1230859?
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 Mason County, WA?
Mason County has 34 FCC-registered antenna structures, 17 of them constructed — the 27th-largest count among 38 counties in Washington.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1230859, 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 1230859, Allyn, Mason County, Washington”, https://towercensus.com/towers/washington/allyn-1230859 (data as of October 13, 2026).