Antenna structures in Grant County, Oregon
At a glance
Grant County, Oregon has 21 FCC-registered antenna structures, 17 of them marked constructed. That is the 26th-largest count among the 36 Oregon counties with registrations, and 1% of the state's 2,082. The tallest constructed structure in the county is registration 1261459 near Seneca at 90 m (295 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Grant County compare with the rest of Oregon?
With 21 registrations, Grant County ranks 26th of 36 counties in Oregon; Multnomah County leads the state with 276. The average registered overall height here is 32 m, about 26% below the Oregon average of 43 m. The tallest standing structure, at 90 m, is about 2.8 times the county average.
What kinds of structures are registered in Grant County?
The most common filed structure type in Grant County is tower (code TOWER), with 6 registrations (28.6%). It is followed by lattice tower (6) and monopole (4). In all, 5 different FCC structure-type codes appear in the county.
By registration status: 17 constructed, 2 granted (not yet constructed), 1 canceled and 1 dismantled. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in Grant County?
ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Grant County, with 3 of the 21. The next largest are American Towers LLC (2), GRANT, COUNTY OF (2) and Rural Cellular Corporation (2). 12 owners with two or more registrations nationwide hold structures in the county.
Which places in Grant County have registered structures?
Registrations in Grant County list 8 different city or place names. The most frequent are John Day (11), Canyon City (3), Mt Vernon (2), Seneca (1) and Mount Vernon (1).
Every registration
All 21 structures in Grant County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Seneca · 1261459 | 90 m | Tower (type not specified) | Constructed |
| 2 | Mount Vernon · 1320341 | 62 m | Lattice tower | Constructed |
| 3 | Long Creek · 1321553 | 61 m | Lattice tower | Constructed |
| 4 | Canyon City · 1038722 | 56 m | Unspecified structure | Canceled |
| 5 | John Day · 1034258 | 39 m | Monopole | Constructed |
| 6 | Mt Vernon · 1281149 | 38 m | Lattice tower | Constructed |
| 7 | John Day · 1240692 | 30 m | Tower (type not specified) | Granted (not yet constructed) |
| 8 | John Day · 1240693 | 30 m | Tower (type not specified) | Granted (not yet constructed) |
| 9 | John Day · 1250274 | 29 m | Unspecified structure | Dismantled |
| 10 | John Day · 1281152 | 28 m | Monopole | Constructed |
| 11 | Prairie City · 1261305 | 27 m | Monopole | Constructed |
| 12 | Dayville · 1327286 | 26 m | Monopole | Constructed |
| 13 | John Day · 1299039 | 26 m | Lattice tower | Constructed |
| 14 | John Day · 1035566 | 22 m | Guyed tower | Constructed |
| 15 | Canyon City · 1324142 | 21 m | Lattice tower | Constructed |
| 16 | John Day · 1036083 | 21 m | Tower (type not specified) | Constructed |
| 17 | John Day · 1200376 | 20 m | Tower (type not specified) | Constructed |
| 18 | Canyon City · 1061659 | 12 m | Tower (type not specified) | Constructed |
| 19 | Mt Vernon · 1261322 | 12 m | Unspecified structure | Constructed |
| 20 | John Day · 1294385 | 12 m | Lattice tower | Constructed |
| 21 | John Day · 1065259 | 6 m | Building | Constructed |
Frequently asked questions
How many cell towers are in Grant County, OR?
The FCC Antenna Structure Registration database lists 21 registered antenna structures in Grant County, Oregon, 17 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 Grant County?
The tallest constructed registered structure in Grant County is registration 1261459, a tower near Seneca at 90 m (295 ft) overall height.
Who owns the most towers in Grant County?
ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Grant County (3), followed by American Towers LLC (2).
What kind of towers are in Grant County?
Tower (type not specified) is the most common filed type (6 of 21 registrations), then lattice tower (6).
More in Oregon
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 structures in Grant County, Oregon”, https://towercensus.com/towers/oregon/county/grant-county (data as of October 13, 2026).