TowerCensus

Antenna structures in Grundy County, Illinois

At a glance

Grundy County, Illinois has 54 FCC-registered antenna structures, 38 of them marked constructed. That is the 43rd-largest count among the 102 Illinois counties with registrations, and 0.76% of the state's 7,110. The tallest constructed structure in the county is registration 1219556 near Morris at 152 m (500 ft).

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

Registered structures
54
Constructed
38
Avg height
74 m
Tallest standing
152 m

How does Grundy County compare with the rest of Illinois?

With 54 registrations, Grundy County ranks 43rd of 102 counties in Illinois; Cook County leads the state with 965. The average registered overall height here is 74 m, roughly in line with the Illinois average of 69 m. The tallest standing structure, at 152 m, is about twice the county average.

What kinds of structures are registered in Grundy County?

The most common filed structure type in Grundy County is tower (code TOWER), with 34 registrations (63%). It is followed by lattice tower (9) and monopole (4). In all, 6 different FCC structure-type codes appear in the county.

By registration status: 38 constructed, 6 granted (not yet constructed), 5 dismantled, 4 canceled and 1 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 Grundy County?

Grundy County ETSB holds the most registrations in Grundy County, with 6 of the 54. The next largest are American Towers LLC (4), STC Two LLC (4) and MORRIS CITY OF (3). 33 owners with two or more registrations nationwide hold structures in the county.

Which places in Grundy County have registered structures?

Registrations in Grundy County list 14 different city or place names. The most frequent are Morris (26), Minooka (7), Coal City (4), Gardner (3) and Verona (2).

Every registration

All 54 structures in Grundy County, tallest first

#StructureHeightTypeStatus
1Morris · 1219556152 mUnspecified structureConstructed
2Morris · 1008075152 mTower (type not specified)Constructed
3Minooka · 1010033141 mTower (type not specified)Constructed
4Coal City · 1009187127 mTower (type not specified)Constructed
5Verona · 1026531107 mTower (type not specified)Constructed
6Dwight · 1269845102 mUnspecified structureDismantled
7Coal City · 1009089102 mTower (type not specified)Constructed
8Morris · 101053398 mUnspecified structureDismantled
9Morris · 104205298 mTower (type not specified)Constructed
10Morris · 100847497 mTower (type not specified)Constructed
11Morris · 100870796 mTower (type not specified)Dismantled
12Minooka · 122639096 mTower (type not specified)Canceled
13Coal City · 124504294 mTower (type not specified)Constructed
14Mazon · 101688194 mGuyed towerConstructed
15Morris · 129674491 mLattice towerCanceled
16Morris Hill · 100866589 mTower (type not specified)Constructed
17Morris · 121959888 mTower (type not specified)Constructed
18Morris · 120276380 mTower (type not specified)Constructed
19Minooka · 121915180 mTower (type not specified)Dismantled
20Gardner · 123663379 mTower (type not specified)Constructed
21Morris · 128154379 mTower (type not specified)Constructed
22Braceville · 121463979 mTower (type not specified)Constructed
23Morris · 121762579 mTower (type not specified)Constructed
24Morris · 123013578 mLattice towerConstructed
25Verona · 132550076 mLattice towerGranted (not yet constructed)
26Morris · 125410973 mLattice towerConstructed
27Morris · 100929573 mTower (type not specified)Constructed
28Lorenzo · 103253569 mTower (type not specified)Dismantled
29Morris · 123506561 mTower (type not specified)Constructed
30Gardner · 127530661 mGuyed towerConstructed
31Morris · 125640561 mTower (type not specified)Constructed
32Crystal Lake · 126668861 mTower (type not specified)Canceled
33Braceville · 127114461 mTower (type not specified)Constructed
34Minoola · 105246961 mTower (type not specified)Canceled
35Minooka · 129033060 mLattice towerConstructed
36Minooka · 106406660 mLattice towerConstructed
37Mazon · 127571860 mLattice towerConstructed
38Lisbon · 123161360 mTower (type not specified)Constructed
39Senca · 122757459 mTower (type not specified)Constructed
40Gardner · 132414459 mMonopoleConstructed
41Dwight · 121716257 mTower (type not specified)Constructed
42Morris · 122304956 mPoleTerminated
43Morris · 125826056 mTower (type not specified)Constructed
44Morris · 131335656 mLattice towerConstructed
45Morris · 133186255 mMonopoleGranted (not yet constructed)
46Coal City · 127774655 mTower (type not specified)Granted (not yet constructed)
47Morris · 101053452 mTower (type not specified)Constructed
48Minooka · 130194650 mMonopoleConstructed
49Morris · 122404541 mTower (type not specified)Granted (not yet constructed)
50Minooka · 127085139 mMonopoleConstructed
51Morris · 121253718 mTower (type not specified)Granted (not yet constructed)
52Morris · 122627418 mTower (type not specified)Constructed
53Morris · 128981115 mLattice towerConstructed
54Morris · 12521856 mBuilding with antennaGranted (not yet constructed)

Frequently asked questions

How many cell towers are in Grundy County, IL?

The FCC Antenna Structure Registration database lists 54 registered antenna structures in Grundy County, Illinois, 38 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 Grundy County?

The tallest constructed registered structure in Grundy County is registration 1219556, a structure near Morris at 152 m (500 ft) overall height.

Who owns the most towers in Grundy County?

Grundy County ETSB holds the most registrations in Grundy County (6), followed by American Towers LLC (4).

What kind of towers are in Grundy County?

Tower (type not specified) is the most common filed type (34 of 54 registrations), then lattice tower (9).

More in Illinois

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 Grundy County, Illinois”, https://towercensus.com/towers/illinois/county/grundy-county (data as of October 13, 2026).