TowerCensus

Antenna structures in St. Clair County, Michigan

At a glance

St. Clair County, Michigan has 117 FCC-registered antenna structures, 79 of them marked constructed. That is the 16th-largest count among the 83 Michigan counties with registrations, and 1.9% of the state's 6,220. The tallest constructed structure in the county is registration 1001048 near Emmett at 127 m (417 ft).

Dataset updated . Refreshed from the FCC ASR weekly bulk database.

Registered structures
117
Constructed
79
Avg height
68 m
Tallest standing
127 m

How does St. Clair County compare with the rest of Michigan?

With 117 registrations, St. Clair County ranks 16th of 83 counties in Michigan; Wayne County leads the state with 412. The average registered overall height here is 68 m, roughly in line with the Michigan average of 74 m. The tallest standing structure, at 127 m, is about 86% above the county average.

What kinds of structures are registered in St. Clair County?

The most common filed structure type in St. Clair County is tower (code TOWER), with 46 registrations (39.3%). It is followed by monopole (19) and lattice tower (18). In all, 9 different FCC structure-type codes appear in the county.

By registration status: 79 constructed, 14 dismantled, 10 canceled, 10 granted (not yet constructed) and 4 terminated. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.

Who owns the towers in St. Clair County?

American Towers LLC holds the most registrations in St. Clair County, with 17 of the 117. The next largest are Cellco Partnership (12), Liggett Communications, LLC (10) and St. Clair Co. Sheriff's Office (8). 35 owners with two or more registrations nationwide hold structures in the county.

Which places in St. Clair County have registered structures?

Registrations in St. Clair County list 43 different city or place names. The most frequent are Port Huron (18), Marysville (9), Saint Clair Township (7), Algonac (6) and St. Clair (6).

Every registration

All 117 structures in St. Clair County, tallest first

#StructureHeightTypeStatus
1Emmett · 1001048127 mGuyed towerConstructed
2Lakeport · 1001252125 mLattice towerConstructed
3Richmond · 1001253125 mGuyed towerConstructed
4Fort Gratiot · 1005777119 mTower (type not specified)Constructed
5Goodells · 1256543116 mGuyed towerConstructed
6Capac · 1270921114 mGuyed towerConstructed
7Port Huron Township · 1007190109 mUnspecified structureConstructed
8Port Huron · 1299744101 mLattice towerConstructed
9Capac · 1299749101 mLattice towerConstructed
10Richmond · 100646999 mTower (type not specified)Constructed
11Riley Center · 100002498 mTower (type not specified)Constructed
12Marysville · 100345298 mTower (type not specified)Constructed
13Saint Clair · 106598398 mUnspecified structureConstructed
14Fort Gratiot · 122599098 mTower (type not specified)Granted (not yet constructed)
15Yale · 122577294 mTower (type not specified)Constructed
16Port Huron · 100794494 mUnspecified structureConstructed
17Goodells · 120559691 mTower (type not specified)Granted (not yet constructed)
18Port Huron · 101671091 mTower (type not specified)Constructed
19Emmett · 121906191 mTower (type not specified)Constructed
20Capac · 106114388 mTower (type not specified)Constructed
21Riley · 129577588 mLattice towerConstructed
22Emmett · 101693688 mLattice towerConstructed
23Sparlingville · 122131887 mTower (type not specified)Constructed
24Allenton · 101471087 mLattice towerConstructed
25St Clair · 125502486 mBuilding with antennaConstructed
26Wales Township · 105847886 mLattice towerGranted (not yet constructed)
27Clay · 125654285 mTower (type not specified)Constructed
28Memphis · 121094881 mLattice towerConstructed
29Marine City · 123004081 mLattice towerConstructed
30East China · 100120981 mGuyed towerConstructed
31Clyde Township · 120409981 mTower (type not specified)Constructed
32Goodells · 120410281 mTower (type not specified)Constructed
33Capac · 121412381 mTower (type not specified)Constructed
34Goodells · 120451181 mTower (type not specified)Terminated
35Allenton · 101630180 mTower (type not specified)Canceled
36Algonac · 103667280 mPoleTerminated
37St. Clair · 102351880 mTower (type not specified)Terminated
38Marine City · 102352180 mTower (type not specified)Terminated
39Algonac · 133490479 mLattice towerGranted (not yet constructed)
40Marine City · 106461779 mLattice towerConstructed
41Columbus · 106461679 mLattice towerConstructed
42Memphis · 121781879 mLattice towerConstructed
43Algonac · 100121178 mPoleConstructed
44Richmond · 100121078 mPoleConstructed
45Marine City · 127752978 mTower (type not specified)Constructed
46Mussey · 132893578 mLattice towerGranted (not yet constructed)
47Algonac · 120650076 mTower (type not specified)Granted (not yet constructed)
48Port Huron · 100105774 mGuyed towerGranted (not yet constructed)
49Kimball · 122425773 mTower (type not specified)Constructed
50Port Huron · 122738772 mMonopoleConstructed
51Ida · 100061671 mTower (type not specified)Dismantled
52Smiths Creek · 105423870 mLattice towerConstructed
53North Street · 122738470 mTower (type not specified)Canceled
54Marysville · 100037767 mTower (type not specified)Constructed
55Memphis · 100164567 mTower (type not specified)Dismantled
56Adair · 123069966 mMastCanceled
57Fort Gratiot Twp · 130768066 mLattice towerConstructed
58Marysville · 123575264 mTower (type not specified)Constructed
59Saint Clair Township · 100599363 mUnspecified structureDismantled
60Saint Clair Township · 100599463 mUnspecified structureDismantled
61Saint Clair Township · 100599563 mUnspecified structureDismantled
62Saint Clair Township · 100599663 mUnspecified structureDismantled
63Saint Clair Township · 100599763 mUnspecified structureDismantled
64Saint Clair Township · 100599863 mUnspecified structureDismantled
65Saint Clair Township · 100599963 mUnspecified structureDismantled
66Avoca · 125502562 mBuilding with antennaConstructed
67Port Huron · 124213362 mUnspecified structureDismantled
68China Township · 101220261 mUnspecified structureDismantled
69China Township · 101220361 mUnspecified structureDismantled
70Yale · 128220761 mMonopoleConstructed
71Adair · 120666861 mTower (type not specified)Canceled
72Avoca · 125636461 mMonopoleConstructed
73Riley · 128871561 mMonopoleConstructed
74St. Clair · 133502861 mMonopoleGranted (not yet constructed)
75Emmett · 127091161 mTower (type not specified)Constructed
76Lesterville · 122220560 mTower (type not specified)Constructed
77Port Huron · 128664760 mMonopoleConstructed
78Port Huron · 124790059 mTower (type not specified)Constructed
79St. Clair · 101694158 mTower (type not specified)Constructed
80Marysville · 103179558 mPoleConstructed
81St. Clair · 106615958 mMonopoleConstructed
82Port Huron · 105771857 mMonopoleConstructed
83Algonac · 127101956 mMonopoleConstructed
84Armada · 130164253 mLattice towerConstructed
85Kimball · 100117853 mLattice towerConstructed
86Sparlingville · 105787352 mTower (type not specified)Canceled
87Port Huron · 100647551 mBuilding with towerDismantled
88Marysville · 129467051 mMonopoleConstructed
89Cottrellville · 129815151 mMonopoleConstructed
90Columbus · 123396250 mTower (type not specified)Canceled
91Columbus · 127076350 mTower (type not specified)Constructed
92Port Huron · 126459850 mMonopoleConstructed
93East China · 127093149 mTower (type not specified)Dismantled
94Marysville · 102506948 mTower (type not specified)Constructed
95Harsens Island · 123519748 mMonopoleConstructed
96St. Clair · 127042747 mTankCanceled
97St. Clair · 127091947 mTankConstructed
98Algonac · 127572447 mMonopoleConstructed
99Port Huron · 130974347 mMonopoleConstructed
100Port Huron · 132595247 mMonopoleConstructed
101St. Clair Township · 101960347 mPoleConstructed
102Saint Clair · 100090246 mTower (type not specified)Constructed
103Harsens Island · 123518946 mTower (type not specified)Canceled
104Marysville · 124898546 mTower (type not specified)Canceled
105Fort Gratiot · 126676146 mTower (type not specified)Constructed
106Port Huron · 128945043 mMonopoleConstructed
107Caly · 129552539 mMonopoleConstructed
108Port Huron, Michigan · 126982538 mTower (type not specified)Canceled
109Port Huron · 127091838 mTower (type not specified)Constructed
110Port Huron · 127186538 mPoleConstructed
111Marysville · 127925836 mPoleConstructed
112Port Huron · 126163930 mPoleGranted (not yet constructed)
113Kimball · 131943727 mMonopoleConstructed
114Port Huron · 103396727 mTower (type not specified)Constructed
115Marysville · 120279324 mTower (type not specified)Constructed
116Kimball · 121393520 mTower (type not specified)Granted (not yet constructed)
117Cottrellville Townsh · 131785613 mPoleConstructed

Frequently asked questions

How many cell towers are in St. Clair County, MI?

The FCC Antenna Structure Registration database lists 117 registered antenna structures in St. Clair County, Michigan, 79 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 St. Clair County?

The tallest constructed registered structure in St. Clair County is registration 1001048, a guyed tower near Emmett at 127 m (417 ft) overall height.

Who owns the most towers in St. Clair County?

American Towers LLC holds the most registrations in St. Clair County (17), followed by Cellco Partnership (12).

What kind of towers are in St. Clair County?

Tower (type not specified) is the most common filed type (46 of 117 registrations), then monopole (19).

More in Michigan

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 St. Clair County, Michigan”, https://towercensus.com/towers/michigan/county/st-clair-county (data as of October 13, 2026).