TowerCensus

Monopole 1240518 — Mountlake Terrace, WA

Constructed

FCC Antenna Structure Registration 1240518 — monopole near Mountlake Terrace, Washington. Single-shaft steel pole, the standard modern cell-site structure.

At a glance

FCC Antenna Structure Registration 1240518 is a 23 m (74 ft) monopole near Mountlake Terrace, Snohomish County, Washington. Its registration status is constructed, with construction recorded on Feb 5, 2020. It is registered to T-Mobile West Tower LLC, which holds 1,035 FCC structure registrations.

Overall height
23 m
74 ft
Support structure
23 m
Top above sea level
163 m
Ground elevation
141 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)1240518
Unique system identifier2639304
StatusConstructed (C)
Structure typeMonopole (MTOWER)
Date constructedFeb 5, 2020
Registration issuedJan 23, 2026

Aviation safety

FAA & lighting

FieldValue
FAA study number2018-ANM-6864-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

T-Mobile West Tower LLC

Bellevue, WA · FRN 0022193262

Holds 1,035 FCC structure registrations — view the full portfolio →

Location

Address
22402 - 44th Ave. West (SE01638E)
City
Mountlake Terrace
ZIP
98043
County FIPS
53061
Coordinates
47.79594, -122.29275

Within ~40 km

Nearby structures

How tall is structure 1240518 compared with others?

At 23 m, structure 1240518 is about half of the 45 m average across the 254 structures registered in Snohomish County. It is about half of 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 half of that figure.

The site's filed ground elevation is 141 m, which puts the top of the structure 163 m above mean sea level.

Where is structure 1240518, and what is registered around it?

The registration places the structure near Mountlake Terrace in Snohomish County, Washington, at coordinates 47.79594, -122.29275, with the site address filed as "22402 - 44th Ave. West (SE01638E)". Snohomish County has 254 FCC-registered antenna structures, the 3rd-largest count among the 38 Washington counties with registrations, and 166 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 "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 1240518 on Jan 23, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 2,531 in Washington.

Who owns antenna structure 1240518?

The FCC record lists T-Mobile West Tower LLC of Bellevue, WA as the registered owner, under FCC Registration Number 0022193262. Across the registry it holds 1,035 structure registrations, the 27th-largest portfolio among the 7,865 owners with two or more, including 154 in Washington. Its most common filed structure-type code is MTOWER (433 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2018-ANM-6864-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 1240518?

Its registered overall height above ground is 23 m (74 ft), and 163 m (535 ft) above mean sea level.

Who owns tower 1240518?

The registered owner is T-Mobile West Tower LLC, which holds 1,035 FCC antenna structure registrations.

Where is antenna structure 1240518?

It is located near Mountlake Terrace, Snohomish County, Washington at 22402 - 44th Ave. West (SE01638E) (47.79594, -122.29275). Its status is constructed; it was constructed on Feb 5, 2020.

What type of structure is 1240518?

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 Snohomish County, WA?

Snohomish County has 254 FCC-registered antenna structures, 166 of them constructed — the 3rd-largest count among 38 counties in Washington.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1240518, 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 1240518, Mountlake Terrace, Snohomish County, Washington”, https://towercensus.com/towers/washington/mountlake-terrace-1240518 (data as of October 13, 2026).