#20 of 66 SD counties · 14 structures

Cell towers in Custer County, SD

The FCC registry lists 14 constructed antenna structures in Custer County, 1% of South Dakota's 949. Ownership is spread across 11 registrants; the largest, Crown Castle, has 2 (14%). The three big tower companies — American Tower, Crown Castle and SBA — hold 4 between them.

Value a buyout offer

1Constructed structures 14
2Tallest 485 ft
3Largest owner Crown Castle
4Median height (state 285 ft) 310 ft

Structures

rank 20 of 66 in SD

Most common type

Tower

64% of structures

Over 200 feet

71% of structures

Peak build decade

2010s

43% built then

Who owns the towers in Custer County

11 different registrants own the 14 structures. 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.

Constructed structures in Custer County by owner group, bars to scale. Source: FCC ASR, October 2026.

Height and age

The median structure here stands 310 feet, 25 feet taller than the South Dakota median — a sign of broadcast and rural coverage towers rather than short suburban sites. The tallest is a guyed tower near Fairburn at 485 feet, built in 2010. More than in any other decade, 43% were built in the 2010s.

Structures in Custer County by type, bars to scale. Source: FCC ASR.

Structures in Custer County by decade built, columns to scale. Source: FCC ASR.

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
1265843	Guyed tower	485 ft	2010	Fairburn	Octagon Towers, LLC
1041480	Tower	390 ft	1991	Custer	MT COOLIDGE INC
1047288	Tower	352 ft	1976	Custer	Black Hills Power & Light Co.
1314813	Guyed tower	349 ft	2022	Edgemont	Everlink Towers LLC
1041066	Tower	325 ft	1969	Custer	BIT/State Radio Communications Engineering
1243439	Tower	318 ft	2010	Hermosa	CCATT LLC
1254485	Lattice tower	311 ft	2006	Custer	CommNet Cellular Inc.
1278344	Tower	308 ft	2012	Pringle	American Towers LLC
1271736	Tower	306 ft	2010	Hermosa	CommNet Cellular Inc.
1052695	Tower	228 ft	2004	Custer	SBA Towers II LLC
1051484	Tower	194 ft	2010	Custer	CCATT LLC
1265844	Pole	104 ft	2010	Custer	Octagon Towers, LLC
1259470	Tower	80 ft	2007	Custer	USDA FOREST SERVICE
1214131	Pole	62 ft	2000	Custer	CUSTER COUNTY OF COMMUNICATIONS CENTER

If you have a tower lease in Custer 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: Jackson County (16), Lake County (16), Union County (15), Grant County (14), Turner County (14).

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.