South Dakota / Grant County
#21 of 66 SD counties · 14 structures
Cell towers in Grant County, SD
The FCC registry lists 14 constructed antenna structures in Grant County, 1% of South Dakota's 949. Ownership is spread across 13 registrants; the largest, American Tower, has 2 (14%). The three big tower companies — American Tower, Crown Castle and SBA — hold 4 between them.
- 1Constructed structures 14
- 2Tallest 820 ft
- 3Largest owner American Tower
- 4Median height (state 285 ft) 281 ft
Who owns the towers in Grant County
13 different registrants own the 14 structures. One is registered to an individual or family trust, whose name this site withholds. Owner names are the registrant's legal entity as filed with the FCC; the large tower companies file under many subsidiary names, which this site groups into families where the brand is in the name or listed in the company's SEC filings.
Height and age
The median structure here stands 281 feet, close to the South Dakota median of 285 feet. The tallest is a guyed tower near South Shore at 820 feet, built in 1990. More than in any other decade, 36% were built in the 2000s.
Every registered structure
Sorted tallest first. The registration number opens the FCC record, which shows the exact location and the owner's contact for the structure. A tower on your land that is not in this list is probably under 200 feet and away from airports, so it did not need registering — see why some towers aren't listed.
| FCC reg. | Type | Height | Built | City | Owner |
|---|---|---|---|---|---|
| 1042192 | Guyed tower | 820 ft | 1990 | South Shore | SBA Towers V, LLC |
| 1001825 | Guyed tower | 496 ft | 2010 | Milbank | CCATT LLC |
| 1040236 | Guyed tower | 349 ft | 2011 | Summit | EAST RIVER ELECTRIC POWER COOPERATIVE INC |
| 1042273 | On a building | 342 ft | 1973 | Big Stone City | OTTER TAIL POWER COMPANY |
| 1271057 | Tower | 308 ft | 2010 | Milbank | Octagon Towers, LLC |
| 1264795 | Guyed tower | 305 ft | 2008 | Milbank | American Towers LLC |
| 1264796 | Guyed tower | 302 ft | 2008 | Milbank | American Towers LLC |
| 1216008 | Tower | 260 ft | 2000 | Watertown | Dakota Leasing for Telecommunications I, LLC |
| 1271734 | Tower | 256 ft | 2010 | Revillo | Rural Cellular Corporation |
| 1264343 | Tower | 199 ft | 2009 | Big Stone City | Otter Tail Power Company |
| 1225697 | Tower | 140 ft | 2005 | Milbank | Grant County |
| 1042091 | Tower | 100 ft | 1981 | Milbank | K2 Towers III, LLC |
| 1205676 | Tower | 75 ft | 1999 | Milbank | Private owner (name withheld) |
| 1289268 | Monopole | 50 ft | 2016 | Milbank | BNSF Railway Company |
If you have a tower lease in Grant County
Find your structure above, open its FCC record and confirm the owner — that is the company your lease runs to today, even if a different carrier signed it originally. Before answering a buyout offer, put your current rent, escalator and remaining term into the calculator to see what the rent is worth and what return the offer assumes.
Counties in South Dakota with similar tower counts: Lake County (16), Union County (15), Custer County (14), Turner County (14), Corson County (13).
Source: FCC Antenna Structure Registration, weekly public access file (r_tower.zip, created 2026-10-18); constructed registrations only; locations rounded. Checked 2026-10-23. Methodology.