Antenna structures in O'Brien County, Iowa
At a glance
O'Brien County, Iowa has 31 FCC-registered antenna structures, 26 of them marked constructed. That is the 57th-largest count among the 99 Iowa counties with registrations, and 0.75% of the state's 4,130. The tallest constructed structure in the county is registration 1017699 near Primghar at 127 m (415 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does O'Brien County compare with the rest of Iowa?
With 31 registrations, O'Brien County ranks 57th of 99 counties in Iowa; Polk County leads the state with 229. The average registered overall height here is 67 m, about 15% below the Iowa average of 79 m. The tallest standing structure, at 127 m, is about twice the county average.
What kinds of structures are registered in O'Brien County?
The most common filed structure type in O'Brien County is tower (code TOWER), with 18 registrations (58.1%). It is followed by lattice tower (5) and building tower (1). In all, 7 different FCC structure-type codes appear in the county.
By registration status: 26 constructed, 3 granted (not yet constructed), 1 dismantled and 1 canceled. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in O'Brien County?
CCATT LLC holds the most registrations in O'Brien County, with 5 of the 31. The next largest are ARRAY DIGITAL INFRASTRUCTURE, INC. (4), Cellco Partnership (4) and IOWA, STATE OF IOWA DEPARTMENT OF TRANSPORTATION (2). 12 owners with two or more registrations nationwide hold structures in the county.
Which places in O'Brien County have registered structures?
Registrations in O'Brien County list 8 different city or place names. The most frequent are Sheldon (7), Primghar (5), Sanborn (5), Paullina (5) and Hartley (5).
Every registration
All 31 structures in O'Brien County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Primghar · 1017699 | 127 m | Unspecified structure | Constructed |
| 2 | Sheldon · 1225339 | 105 m | Lattice tower | Constructed |
| 3 | Sanborn · 1302450 | 102 m | Lattice tower | Constructed |
| 4 | Sanborn · 1214490 | 97 m | Tower (type not specified) | Constructed |
| 5 | Sanborn · 1220466 | 96 m | Tower (type not specified) | Constructed |
| 6 | Paullina · 1255722 | 94 m | Unspecified structure | Constructed |
| 7 | Gaza · 1015208 | 85 m | Tower (type not specified) | Constructed |
| 8 | Sutherland · 1236770 | 81 m | Tower (type not specified) | Constructed |
| 9 | Paullina · 1282385 | 80 m | Tower (type not specified) | Constructed |
| 10 | Paullina · 1232827 | 80 m | Tower (type not specified) | Constructed |
| 11 | Hartley · 1236767 | 80 m | Tower (type not specified) | Constructed |
| 12 | Hartley · 1299496 | 79 m | Lattice tower | Granted (not yet constructed) |
| 13 | Sanborn · 1285078 | 79 m | Lattice tower | Constructed |
| 14 | Sanborn · 1245441 | 75 m | Tower (type not specified) | Constructed |
| 15 | Hartley · 1016263 | 63 m | Tower (type not specified) | Dismantled |
| 16 | Paullina · 1295374 | 63 m | Building | Constructed |
| 17 | Hartley · 1245434 | 61 m | Tower (type not specified) | Canceled |
| 18 | Sheldon · 1252480 | 61 m | Unspecified structure | Constructed |
| 19 | Sutherland · 1255772 | 61 m | Tower (type not specified) | Constructed |
| 20 | Sheldon · 1245645 | 60 m | Tower (type not specified) | Constructed |
| 21 | Hartley · 1245643 | 60 m | Tower (type not specified) | Constructed |
| 22 | Primghar · 1281969 | 56 m | Tower (type not specified) | Constructed |
| 23 | Primghar · 1208709 | 52 m | Tower (type not specified) | Constructed |
| 24 | Sheldon · 1245443 | 48 m | Monopole | Constructed |
| 25 | Sheldon · 1280914 | 47 m | Pole | Constructed |
| 26 | Paullina · 1239668 | 45 m | Tank | Granted (not yet constructed) |
| 27 | Primghar · 1333774 | 41 m | Lattice tower | Granted (not yet constructed) |
| 28 | Sheldon · 1202716 | 30 m | Building with tower | Constructed |
| 29 | Archer · 1266364 | 27 m | Tower (type not specified) | Constructed |
| 30 | Primghar · 1238726 | 18 m | Tower (type not specified) | Constructed |
| 31 | Sheldon · 1202999 | 9 m | Tower (type not specified) | Constructed |
Frequently asked questions
How many cell towers are in O'Brien County, IA?
The FCC Antenna Structure Registration database lists 31 registered antenna structures in O'Brien County, Iowa, 26 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 O'Brien County?
The tallest constructed registered structure in O'Brien County is registration 1017699, a structure near Primghar at 127 m (415 ft) overall height.
Who owns the most towers in O'Brien County?
CCATT LLC holds the most registrations in O'Brien County (5), followed by ARRAY DIGITAL INFRASTRUCTURE, INC. (4).
What kind of towers are in O'Brien County?
Tower (type not specified) is the most common filed type (18 of 31 registrations), then lattice tower (5).
More in Iowa
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 O'Brien County, Iowa”, https://towercensus.com/towers/iowa/county/o-brien-county (data as of October 6, 2026).