Antenna structures in Grundy County, Iowa
At a glance
Grundy County, Iowa has 21 FCC-registered antenna structures, 19 of them marked constructed. That is the 87th-largest count among the 99 Iowa counties with registrations, and 0.51% of the state's 4,130. The tallest constructed structure in the county is registration 1246904 near Dike at 128 m (420 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Grundy County compare with the rest of Iowa?
With 21 registrations, Grundy County ranks 87th of 99 counties in Iowa; Polk County leads the state with 229. The average registered overall height here is 88 m, about 12% above the Iowa average of 79 m. The tallest standing structure, at 128 m, is about 45% above the county average.
What kinds of structures are registered in Grundy County?
The most common filed structure type in Grundy County is guyed tower (code GTOWER), with 7 registrations (33.3%). It is followed by lattice tower (6) and tower (5). In all, 5 different FCC structure-type codes appear in the county.
By registration status: 19 constructed, 1 canceled and 1 granted (not yet constructed). Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in Grundy County?
ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Grundy County, with 5 of the 21. The next largest are EIP Holdings II, LLC (2), SBA Structures, LLC (2) and TV6 Holdings LLC (2). 12 owners with two or more registrations nationwide hold structures in the county.
Which places in Grundy County have registered structures?
Registrations in Grundy County list 6 different city or place names. The most frequent are Grundy Center (8), Wellsburg (7), Dike (3), Steamboat Rock (1) and Holland (1).
Every registration
All 21 structures in Grundy County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Dike · 1246904 | 128 m | Guyed tower | Constructed |
| 2 | Steamboat Rock · 1246905 | 128 m | Tower (type not specified) | Constructed |
| 3 | Grundy Center · 1304333 | 125 m | Lattice tower | Constructed |
| 4 | Grundy Center · 1018196 | 122 m | Guyed tower | Constructed |
| 5 | Wellsburg · 1048370 | 114 m | Tower (type not specified) | Constructed |
| 6 | Grundy Center · 1018190 | 110 m | Tower (type not specified) | Constructed |
| 7 | Grundy Center · 1303126 | 104 m | Guyed tower | Constructed |
| 8 | Grundy Center · 1017352 | 98 m | Guyed tower | Constructed |
| 9 | Wellsburg · 1286513 | 94 m | Guyed tower | Constructed |
| 10 | Grundy Center · 1256211 | 88 m | Guyed tower | Constructed |
| 11 | Wellsburg · 1259100 | 88 m | Lattice tower | Constructed |
| 12 | Grundy Center · 1018194 | 83 m | Unspecified structure | Constructed |
| 13 | Wellsburg · 1238319 | 82 m | Tower (type not specified) | Constructed |
| 14 | Dike · 1286263 | 80 m | Lattice tower | Constructed |
| 15 | Wellsburg · 1252835 | 76 m | Mast | Canceled |
| 16 | Holland · 1252527 | 76 m | Tower (type not specified) | Constructed |
| 17 | Dike · 1229381 | 61 m | Lattice tower | Constructed |
| 18 | Reinbeck · 1238487 | 61 m | Lattice tower | Constructed |
| 19 | Wellsburg · 1018038 | 48 m | Tank | Constructed |
| 20 | Grundy Center · 1321136 | 46 m | Guyed tower | Constructed |
| 21 | Wellsburg · 1330599 | 39 m | Lattice tower | Granted (not yet constructed) |
Frequently asked questions
How many cell towers are in Grundy County, IA?
The FCC Antenna Structure Registration database lists 21 registered antenna structures in Grundy County, Iowa, 19 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 Grundy County?
The tallest constructed registered structure in Grundy County is registration 1246904, a guyed tower near Dike at 128 m (420 ft) overall height.
Who owns the most towers in Grundy County?
ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Grundy County (5), followed by EIP Holdings II, LLC (2).
What kind of towers are in Grundy County?
Guyed tower is the most common filed type (7 of 21 registrations), then lattice tower (6).
More in Iowa
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 Grundy County, Iowa”, https://towercensus.com/towers/iowa/county/grundy-county (data as of October 13, 2026).