Illinois / St. Clair County

#10 of 102 IL counties · 108 structures

Cell towers in St. Clair County, IL

The FCC registry lists 108 constructed antenna structures in St. Clair County, 2% of Illinois's 5,168. Ownership is spread across 47 registrants; the largest, American Tower, has 21 (19%). The three big tower companies — American Tower, Crown Castle and SBA — hold 37 between them.

Value a buyout offer

1234
  1. 1Constructed structures 108
  2. 2Tallest 498 ft
  3. 3Largest owner American Tower
  4. 4Median height (state 207 ft) 161 ft
Structures
108
rank 10 of 102 in IL
Most common type
Tower
38% of structures
Over 200 feet
29
27% of structures
Peak build decade
2000s
38% built then

Who owns the towers in St. Clair County

47 different registrants own the 108 structures. 6 are registered to individuals or family trusts, whose names 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.

American Tower21Crown Castle11STC Five LLC6Private owners6Union Pacific Railroad6VB-S1 Assets, LLC6SBA Communications5Verizon4
Constructed structures in St. Clair County by owner group, bars to scale. Source: FCC ASR, October 2026.

Height and age

The median structure here stands 161 feet, 46 feet shorter than the Illinois median, typical of denser areas where more, shorter sites fill in coverage. The tallest is a tower near Caseyville at 498 feet, built in 1992. More than in any other decade, 38% were built in the 2000s.

Tower41Monopole22Lattice tower14Guyed tower10Pole10Other or unspecified6Mast4On a building1
Structures in St. Clair County by type, bars to scale. Source: FCC ASR.
21950s41960s61980s241990s412000s212010s52020s
Structures in St. Clair 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.TypeHeightBuiltCityOwner
1012232Tower498 ft1992CaseyvilleBARCOM INC
1021677Guyed tower475 ft1983Fairview HeightsPinnacle Towers LLC
1226787Tower411 ft2001BellevilleBi-State Development Agency
1007092Guyed tower403 ft1985ColumbiaEnable Mississippi River Transmission, LLC
1008634Lattice tower375 ft1964New AthensAmerican Towers LLC
1008332Tower354 ft1948East Saint LouisChurch of God in Christ, Inc.
1243016Other or unspecified330 ft1956Washington ParkBirach Broadcasting Corporation
1007095Tower320 ft1961CaseyvilleEnable Mississippi River Transmission, LLC
1212482Lattice tower320 ft2001MarissaAmerican Towers LLC
1257005Tower315 ft2007MarissaVertical Bridge NTCF, LLC
1025687Tower312 ft1991E. St. LouisNorfolk Southern Corporation
1012229Tower309 ft1991East CarondeletSITCO COMMUNICATIONS LLC
1009811Tower300 ft1965BellevilleMISSIONARY OBLATES OF MARY IMMACULATE DBA = SHRINE OF OUR LADY OF THE SNOWS
1287609Guyed tower295 ft2013SummerfieldUS Army Corps of Engineers
1315790Guyed tower295 ft1991East CarondeletSITCO COMMUNICATIONS LLC
1063165Tower284 ft1983BellevilleCrown Castle
1025681Tower281 ft1991BellevilleNorfolk Southern Corporation
1252191Tower280 ft2006FreeburgVB-S1 Assets, LLC
1249199Tower270 ft2006BellevilleVertical Bridge NTCF, LLC
1212186Guyed tower263 ft2000New BadenAmerican Towers LLC
1223163Tower262 ft2001New AthensAmerican Towers LLC
1257525Tower260 ft2007New AthensVB-S1 Assets, LLC
1259611Tower240 ft2007Fairview HeightsCellco Partnership
1304015Lattice tower230 ft2018New BadenVB-S1 Assets, LLC
1225389Guyed tower220 ft2005MillstadtAmerican Towers LLC
1008557Tower210 ft2003MascoutahAmerican Towers LLC
1259457Tower209 ft2007O' FallonVertical Bridge Towers, LLC
1297157Lattice tower205 ft2016East St LouisUNION PACIFIC RAILROAD COMPANY
1009280Tower203 ft1986East Saint LouisILLINOIS, STATE OF
1038081Lattice tower200 ft1998BellevilleAmerican Towers LLC
1238193Guyed tower200 ft2000FreeburgAmerican Towers LLC
1230477Guyed tower199 ft1999BellevilleAmerican Towers LLC
1265083Tower199 ft2008SmithtonVertical Bridge NTCF, LLC
1274448Tower199 ft2010LebanonEIP Holdings II, LLC
1057692Tower198 ft1998MarissaCellco Partnership
1203428Other or unspecified198 ft1947DupoPrivate owner (name withheld)
1203430Other or unspecified198 ft1947DupoPrivate owner (name withheld)
1203431Other or unspecified198 ft1947DupoPrivate owner (name withheld)
1203432Other or unspecified198 ft1947DupoPrivate owner (name withheld)
1283673Pole198 ft2006East Saint LouisCCATT LLC
1025096Tower197 ft1997MillstadtSTC Five LLC
1035251Tower197 ft2003ShilohKLL SHILOH LLC
1296799Monopole190 ft2015CaseyvilleTowerCo 2013 LLC
1259628Tower186 ft2009East St. LouisEast Central Broadcasting, LLC
1026635Lattice tower185 ft1997MascoutahSTC Five LLC
1230461Lattice tower185 ft2002O' FallonAmerican Towers LLC
1241645Monopole185 ft2003BellevilleT-Mobile USA Tower LLC
1227654Tower180 ft2006O'FallonCIS COMMUNICATIONS LLC
1239162Guyed tower176 ft2000LebanonAmerican Towers LLC
1058731Pole175 ft1999ShilohGlobal Tower, LLC. through American Towers, LLC
1008780Monopole170 ft1993CentervilleCrown Castle GT Company, LLC
1235684Tower170 ft2003EdgemontIllinois, State of
1248672Tower170 ft2005MillstadtCrown Castle GT Company, LLC
1043557Pole161 ft1966BellevillePrivate owner (name withheld)
1052259Pole161 ft1996ShilohAmerican Towers, LLC
1216373Pole160 ft2000BellevilleSTC Five LLC
1218939Mast158 ft2000BellevilleAmerican Towers LLC
1048555Pole157 ft1998BellevilleCCATT LLC
1023148Lattice tower155 ft1984ShilohAmerican Towers LLC
1334175Monopole155 ft2026DupoMiners Strategic Telecom
1315483Monopole154 ft2019ShilohTillman Infrastructure, LLC
1011724Mast153 ft1994AlortonSBC TOWER HOLDINGS LLC
1283546Pole153 ft1996East Saint LouisCCATT LLC
1258864Monopole152 ft2006SwanseaSBA Monarch Towers I, LLC
1267102Tower152 ft1996East St. LouisGlobal Tower, LLC. through American Towers, LLC
1058729Monopole151 ft2008SwanseaCCATT LLC
1002190Lattice tower150 ft2003SaugetSTC Five LLC
1013638Monopole148 ft1984ShilohAmerican Towers LLC
1008644Tower146 ft1959MascoutahPrivate owner (name withheld)
1000067Lattice tower145 ft2003LebanonSTC Five LLC
1262309Tower145 ft2008CentrevilleSBA Towers III LLC
1280786Tower145 ft2011BellevilleCellco Partnership
1320489Monopole136 ft2021ShilohVB-S1 Assets, LLC
1203257Lattice tower135 ft2014East Saint LouisUNION PACIFIC RAILROAD COMPANY
1320730Lattice tower135 ft2022East St LouisParallel Infrastructure III, LLC
1270855Tower133 ft2003East Saint LouisSBA 2012 TC Assets, LLC
1245119Monopole125 ft2005BellevilleAmerican Towers LLC
1329240On a building125 ft2026MascoutahThe Boeing Company
1002915Monopole124 ft1997East Saint LouisCCATT LLC
1271627Pole121 ft2005O' FallonSBA Steel LLC
1263576Tower120 ft2008CaseyvilleSBA Towers III LLC
1301645Monopole120 ft2017CahokiaVB-S1 Assets, LLC
1309322Monopole120 ft2017BellevilleVB-S1 Assets, LLC
1245971Tower115 ft2005CahokiaGlobal Tower, LLC. through American Towers, LLC
1052254Mast114 ft1994East St. LouisAmerican Towers, LLC
1008781Tower111 ft1996BellevilleCrown Castle GT Company, LLC
1026634Tower110 ft1996CentrevilleSTC Five LLC
1294961Monopole110 ft2018CahokiaEIP Holdings II, LLC
1250713Other or unspecified105 ft2005ShilohARRAY DIGITAL INFRASTRUCTURE, INC.
1244882Tower104 ft2004BellevilleGlobal Tower, LLC. through American Towers, LLC
1279343Pole100 ft1997East St LouisBMB Tower Holdings, LLC
1298501Lattice tower100 ft2016E St LouisUNION PACIFIC RAILROAD COMPANY
1320932Lattice tower100 ft2022East Saint LouisUNION PACIFIC RAILROAD COMPANY
1235053Tower99 ft2003Shiloh StationBi-State Development Agency
1259706Tower89 ft2007CahokiaCellco Partnership
1287604Guyed tower89 ft2013SummerfieldUS Army Corps of Engineers
1317412Monopole88 ft2017Washington ParkEco-Site, LLC
1009332Monopole81 ft2004CahokiaSBC TOWER HOLDINGS LLC
1248673Monopole80 ft2005CahokiaCrown Castle GT Company, LLC
1283863Mast80 ft1997East Saint LouisSBC TOWER HOLDINGS LLC
1298111Monopole63 ft2016MascoutahNorfolk Southern Railway Company
1298205Monopole63 ft2016Scott Air ForceNorfolk Southern Railway Company
1228541Tower60 ft1997BellevilleBELLEVILLE POLICE DEPT
1305825Monopole60 ft2018SaugetUNION PACIFIC RAILROAD COMPANY
1287633Monopole50 ft2013CahokiaExelis, Inc
1279080Pole45 ft2011CahokiaIllinois Bell Telephone Company
1292262Monopole45 ft2018CahokiaUNION PACIFIC RAILROAD COMPANY
1284319Tower39 ft2012SummerfieldUS Army Corps of Engineers

If you have a tower lease in St. Clair 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 Illinois with similar tower counts: Madison County (122), Kane County (115), Sangamon County (109), Champaign County (104), Peoria County (99).

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.