Antenna structures in Dorchester County, South Carolina
At a glance
Dorchester County, South Carolina has 90 FCC-registered antenna structures, 71 of them marked constructed. That is the 16th-largest count among the 46 South Carolina counties with registrations, and 2% of the state's 4,407. The tallest constructed structure in the county is registration 1045620 near Ridgeville at 159 m (520 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Dorchester County compare with the rest of South Carolina?
With 90 registrations, Dorchester County ranks 16th of 46 counties in South Carolina; Richland County leads the state with 257. The average registered overall height here is 83 m, roughly in line with the South Carolina average of 81 m. The tallest standing structure, at 159 m, is about twice the county average.
What kinds of structures are registered in Dorchester County?
The most common filed structure type in Dorchester County is tower (code TOWER), with 40 registrations (44.4%). It is followed by lattice tower (19) and monopole (15). In all, 6 different FCC structure-type codes appear in the county.
By registration status: 71 constructed, 7 canceled, 5 granted (not yet constructed), 4 terminated and 3 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 Dorchester County?
American Towers LLC holds the most registrations in Dorchester County, with 24 of the 90. The next largest are Crown Castle South LLC (7), Optima Towers IV, LLC (7) and CHARLESTON-NORTH CHARLESTON MSA LIMITED PARTNERSHIP (5). 29 owners with two or more registrations nationwide hold structures in the county.
Which places in Dorchester County have registered structures?
Registrations in Dorchester County list 18 different city or place names. The most frequent are Summerville (26), Ridgeville (18), St. George (11), Harleyville (7) and North Charleston (6).
Every registration
All 90 structures in Dorchester County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Ridgeville · 1052880 | 320 m | Tower (type not specified) | Dismantled |
| 2 | Ridgeville · 1045620 | 159 m | Guyed tower | Constructed |
| 3 | Summerville · 1045117 | 152 m | Tower (type not specified) | Constructed |
| 4 | St. George · 1236739 | 152 m | Tower (type not specified) | Constructed |
| 5 | Summerville · 1002319 | 149 m | Guyed tower | Constructed |
| 6 | Saint George · 1002562 | 140 m | Unspecified structure | Constructed |
| 7 | Ravenel · 1045729 | 127 m | Guyed tower | Constructed |
| 8 | Harleyville · 1038408 | 126 m | Tower (type not specified) | Constructed |
| 9 | Ridgeville · 1061364 | 120 m | Tower (type not specified) | Granted (not yet constructed) |
| 10 | Summerville · 1049566 | 116 m | Unspecified structure | Constructed |
| 11 | Summerville · 1001570 | 109 m | Tower (type not specified) | Constructed |
| 12 | Summerville · 1002808 | 107 m | Lattice tower | Constructed |
| 13 | St. George · 1286533 | 107 m | Guyed tower | Granted (not yet constructed) |
| 14 | St. George · 1045499 | 106 m | Tower (type not specified) | Constructed |
| 15 | St. George · 1057206 | 105 m | Tower (type not specified) | Constructed |
| 16 | St. George · 1201717 | 104 m | Tower (type not specified) | Constructed |
| 17 | North Charleston · 1054307 | 100 m | Tower (type not specified) | Constructed |
| 18 | Ridgeville · 1041219 | 98 m | Tower (type not specified) | Constructed |
| 19 | Rosinville · 1051457 | 98 m | Tower (type not specified) | Constructed |
| 20 | St. George · 1054857 | 98 m | Tower (type not specified) | Constructed |
| 21 | Summerville · 1054685 | 97 m | Tower (type not specified) | Constructed |
| 22 | Ridgeville · 1230503 | 95 m | Guyed tower | Constructed |
| 23 | Harleyville · 1200566 | 95 m | Tower (type not specified) | Constructed |
| 24 | Harleyville · 1045944 | 94 m | Tower (type not specified) | Constructed |
| 25 | Ridgeville · 1045943 | 94 m | Guyed tower | Constructed |
| 26 | Summervillel · 1214080 | 94 m | Lattice tower | Constructed |
| 27 | Reevesville · 1253686 | 93 m | Tower (type not specified) | Constructed |
| 28 | Stallsville · 1025423 | 93 m | Tower (type not specified) | Constructed |
| 29 | Summerville · 1047339 | 92 m | Tower (type not specified) | Dismantled |
| 30 | Harleyville · 1044191 | 92 m | Tower (type not specified) | Constructed |
| 31 | Harleyville · 1064146 | 88 m | Lattice tower | Constructed |
| 32 | Saint George · 1315137 | 88 m | Lattice tower | Constructed |
| 33 | Dorchester · 1045748 | 88 m | Guyed tower | Constructed |
| 34 | Dorchester · 1287480 | 87 m | Lattice tower | Constructed |
| 35 | Dorchester County · 1044196 | 82 m | Tower (type not specified) | Constructed |
| 36 | Reevesville · 1200516 | 82 m | Tower (type not specified) | Terminated |
| 37 | St. George · 1261688 | 82 m | Tower (type not specified) | Canceled |
| 38 | St. George · 1059171 | 81 m | Tower (type not specified) | Constructed |
| 39 | North Charleston · 1045718 | 81 m | Lattice tower | Constructed |
| 40 | Ridgeville · 1325937 | 81 m | Lattice tower | Granted (not yet constructed) |
| 41 | Ridgeville · 1007644 | 81 m | Tower (type not specified) | Terminated |
| 42 | Ridgeville · 1012193 | 81 m | Tower (type not specified) | Constructed |
| 43 | Summerville · 1214235 | 79 m | Lattice tower | Constructed |
| 44 | Reevesville · 1224087 | 79 m | Tower (type not specified) | Constructed |
| 45 | Ridgeville · 1262760 | 79 m | Unspecified structure | Constructed |
| 46 | Summerville · 1218287 | 79 m | Tower (type not specified) | Constructed |
| 47 | Ridgeville · 1291183 | 79 m | Lattice tower | Canceled |
| 48 | Summerville · 1212721 | 79 m | Tower (type not specified) | Constructed |
| 49 | Ridgeville · 1228315 | 79 m | Lattice tower | Constructed |
| 50 | Ridgeville · 1289672 | 79 m | Lattice tower | Canceled |
| 51 | Ridgeville · 1290664 | 79 m | Lattice tower | Canceled |
| 52 | Harleyville · 1201336 | 78 m | Lattice tower | Constructed |
| 53 | Summerville · 1227315 | 78 m | Tower (type not specified) | Granted (not yet constructed) |
| 54 | St. George · 1201344 | 78 m | Lattice tower | Constructed |
| 55 | Saint George · 1214780 | 78 m | Lattice tower | Constructed |
| 56 | Ridgeville · 1244611 | 78 m | Tower (type not specified) | Constructed |
| 57 | St. George · 1062755 | 77 m | Guyed tower | Constructed |
| 58 | Ridgeville · 1201114 | 77 m | Lattice tower | Constructed |
| 59 | Ridgeville · 1320994 | 76 m | Lattice tower | Constructed |
| 60 | Saint George · 1047628 | 68 m | Unspecified structure | Constructed |
| 61 | Harleyville · 1200519 | 67 m | Lattice tower | Constructed |
| 62 | Dorchester · 1277622 | 66 m | Unspecified structure | Dismantled |
| 63 | Ladson · 1037906 | 66 m | Tower (type not specified) | Canceled |
| 64 | Stallsville · 1021527 | 65 m | Mast | Constructed |
| 65 | Summerville · 1047908 | 64 m | Tower (type not specified) | Constructed |
| 66 | Summerville · 1206262 | 64 m | Tower (type not specified) | Constructed |
| 67 | St. George · 1064881 | 61 m | Tower (type not specified) | Terminated |
| 68 | Summerville · 1296456 | 61 m | Monopole | Constructed |
| 69 | Summerville · 1306244 | 61 m | Monopole | Constructed |
| 70 | Summerville · 1324010 | 61 m | Monopole | Constructed |
| 71 | Summerville · 1331309 | 61 m | Monopole | Constructed |
| 72 | Summerville · 1295183 | 61 m | Monopole | Canceled |
| 73 | Grover · 1282011 | 59 m | Tower (type not specified) | Canceled |
| 74 | North Charleston · 1055291 | 58 m | Tower (type not specified) | Constructed |
| 75 | Ladson · 1325135 | 56 m | Monopole | Constructed |
| 76 | Summerville · 1302772 | 53 m | Monopole | Constructed |
| 77 | Summerville · 1312976 | 53 m | Monopole | Constructed |
| 78 | Stallsview · 1233965 | 52 m | Tower (type not specified) | Constructed |
| 79 | North Charleston · 1305342 | 50 m | Monopole | Granted (not yet constructed) |
| 80 | North Charleston · 1305343 | 50 m | Monopole | Constructed |
| 81 | Summerville · 1305679 | 50 m | Monopole | Constructed |
| 82 | Norrth Charleston · 1294845 | 50 m | Monopole | Constructed |
| 83 | North Charleston · 1295467 | 49 m | Monopole | Constructed |
| 84 | Summerville · 1252943 | 46 m | Monopole | Constructed |
| 85 | Charleston · 1220271 | 46 m | Tower (type not specified) | Constructed |
| 86 | Summerville · 1266006 | 46 m | Monopole | Constructed |
| 87 | Ridgeville · 1255423 | 38 m | Pole | Terminated |
| 88 | Summerville · 1329207 | 24 m | Lattice tower | Constructed |
| 89 | Summerville · 1206261 | 15 m | Tower (type not specified) | Constructed |
| 90 | Summerville · 1262441 | 15 m | Pole | Constructed |
Frequently asked questions
How many cell towers are in Dorchester County, SC?
The FCC Antenna Structure Registration database lists 90 registered antenna structures in Dorchester County, South Carolina, 71 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 Dorchester County?
The tallest constructed registered structure in Dorchester County is registration 1045620, a guyed tower near Ridgeville at 159 m (520 ft) overall height.
Who owns the most towers in Dorchester County?
American Towers LLC holds the most registrations in Dorchester County (24), followed by Crown Castle South LLC (7).
What kind of towers are in Dorchester County?
Tower (type not specified) is the most common filed type (40 of 90 registrations), then lattice tower (19).
More in South Carolina
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structures in Dorchester County, South Carolina”, https://towercensus.com/towers/south-carolina/county/dorchester-county (data as of October 20, 2026).