Antenna structures in Knox County, Maine
At a glance
Knox County, Maine has 24 FCC-registered antenna structures, 15 of them marked constructed. That is the 14th-largest count among the 16 Maine counties with registrations, and 2.4% of the state's 1,018. The tallest constructed structure in the county is registration 1022010 near Thomaston at 153 m (502 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Knox County compare with the rest of Maine?
With 24 registrations, Knox County ranks 14th of 16 counties in Maine; Penobscot County leads the state with 159. The average registered overall height here is 65 m, roughly in line with the Maine average of 65 m. The tallest standing structure, at 153 m, is about 2.3 times the county average.
What kinds of structures are registered in Knox County?
The most common filed structure type in Knox County is lattice tower (code LTOWER), with 10 registrations (41.7%). It is followed by tower (4) and monopole (4). In all, 5 different FCC structure-type codes appear in the county.
By registration status: 15 constructed, 3 granted (not yet constructed), 3 canceled, 2 dismantled and 1 terminated. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in Knox County?
ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Knox County, with 8 of the 24. The next largest are American Towers LLC (3), Blueberry Broadcasting, LLC (2) and Rural Cellular Corporation (2). 12 owners with two or more registrations nationwide hold structures in the county.
Which places in Knox County have registered structures?
Registrations in Knox County list 11 different city or place names. The most frequent are Rockland (9), Union (4), Thomaston (3), Cushing (1) and Tenants Harbor (1).
Every registration
All 24 structures in Knox County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Thomaston · 1022010 | 153 m | Tower (type not specified) | Constructed |
| 2 | Rockland · 1309578 | 111 m | Lattice tower | Constructed |
| 3 | Rockland · 1223717 | 104 m | Lattice tower | Constructed |
| 4 | Rockland · 1019884 | 95 m | Tower (type not specified) | Terminated |
| 5 | Rockland · 1022315 | 94 m | Guyed tower | Dismantled |
| 6 | Rockland · 1022411 | 81 m | Unspecified structure | Dismantled |
| 7 | Cushing · 1259936 | 79 m | Lattice tower | Constructed |
| 8 | Tenants Harbor · 1326040 | 79 m | Lattice tower | Canceled |
| 9 | Hope · 1329190 | 61 m | Guyed tower | Constructed |
| 10 | Vinalhaven · 1309585 | 61 m | Lattice tower | Constructed |
| 11 | Union · 1283836 | 60 m | Tower (type not specified) | Canceled |
| 12 | Union · 1305941 | 59 m | Monopole | Constructed |
| 13 | Union · 1256922 | 58 m | Lattice tower | Constructed |
| 14 | Washington · 1305938 | 58 m | Lattice tower | Constructed |
| 15 | Camden · 1019875 | 53 m | Guyed tower | Constructed |
| 16 | Thomaston · 1285567 | 49 m | Lattice tower | Constructed |
| 17 | Union · 1334649 | 49 m | Monopole | Granted (not yet constructed) |
| 18 | Thomaston · 1301967 | 48 m | Lattice tower | Constructed |
| 19 | Rockland · 1012380 | 46 m | Lattice tower | Constructed |
| 20 | Rockland · 1320449 | 38 m | Monopole | Constructed |
| 21 | Owls Head · 1332223 | 36 m | Monopole | Granted (not yet constructed) |
| 22 | Friendship · 1283970 | 32 m | Pole | Constructed |
| 23 | Rockland · 1284409 | 32 m | Pole | Canceled |
| 24 | Rockland · 1276372 | 29 m | Tower (type not specified) | Granted (not yet constructed) |
Frequently asked questions
How many cell towers are in Knox County, ME?
The FCC Antenna Structure Registration database lists 24 registered antenna structures in Knox County, Maine, 15 of them constructed. Registration is generally required only for structures taller than about 60 m or near airports, so shorter cell sites may not appear.
What is the tallest tower in Knox County?
The tallest constructed registered structure in Knox County is registration 1022010, a tower near Thomaston at 153 m (502 ft) overall height.
Who owns the most towers in Knox County?
ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Knox County (8), followed by American Towers LLC (3).
What kind of towers are in Knox County?
Lattice tower is the most common filed type (10 of 24 registrations), then tower (4).
More in Maine
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 6, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structures in Knox County, Maine”, https://towercensus.com/towers/maine/county/knox-county (data as of October 6, 2026).