Antenna structures in Windham County, Connecticut
At a glance
Windham County, Connecticut has 49 FCC-registered antenna structures, 37 of them marked constructed. That is the 5th-largest count among the 8 Connecticut counties with registrations, and 7.3% of the state's 672. The tallest constructed structure in the county is registration 1056419 near Killingly at 98 m (322 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Windham County compare with the rest of Connecticut?
With 49 registrations, Windham County ranks 5th of 8 counties in Connecticut; Hartford County leads the state with 177. The average registered overall height here is 58 m, roughly in line with the Connecticut average of 59 m. The tallest standing structure, at 98 m, is about 69% above the county average.
What kinds of structures are registered in Windham County?
The most common filed structure type in Windham County is monopole (code MTOWER), with 19 registrations (38.8%). It is followed by tower (13) and lattice tower (6). In all, 6 different FCC structure-type codes appear in the county.
By registration status: 37 constructed, 5 dismantled, 4 granted (not yet constructed) and 3 canceled. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in Windham County?
SBA Properties, LLC and SBA Towers, LLC hold the most registrations in Windham County, 7 each of the 49. Other owners include American Towers LLC (6), Cellco Partnership (4) and SBA Towers II LLC (4). 19 owners with two or more registrations nationwide hold structures in the county.
Which places in Windham County have registered structures?
Registrations in Windham County list 24 different city or place names. The most frequent are Danielson (5), Willimantic (4), Woodstock (4), Putnam (4) and Killingly (3).
Every registration
All 49 structures in Windham County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Willimantic · 1043731 | 124 m | Unspecified structure | Dismantled |
| 2 | Killingly · 1056419 | 98 m | Guyed tower | Constructed |
| 3 | Ashford · 1061102 | 95 m | Unspecified structure | Dismantled |
| 4 | Killingly · 1297968 | 91 m | Lattice tower | Constructed |
| 5 | Willimantic · 1043732 | 91 m | Tower (type not specified) | Constructed |
| 6 | Woodstock · 1045859 | 91 m | Tower (type not specified) | Constructed |
| 7 | Dayville · 1045863 | 85 m | Tower (type not specified) | Constructed |
| 8 | Putnam · 1060886 | 79 m | Tower (type not specified) | Canceled |
| 9 | Thompson · 1054728 | 78 m | Guyed tower | Constructed |
| 10 | Scotland · 1205146 | 76 m | Lattice tower | Constructed |
| 11 | Ashford · 1294249 | 74 m | Lattice tower | Constructed |
| 12 | Sterling · 1060082 | 63 m | Guyed tower | Constructed |
| 13 | Putnam · 1042859 | 62 m | Tower (type not specified) | Constructed |
| 14 | Plainfield · 1059566 | 61 m | Monopole | Constructed |
| 15 | Putnam · 1202920 | 61 m | Lattice tower | Constructed |
| 16 | Woodstock Valley · 1223070 | 61 m | Pole | Canceled |
| 17 | Woodstock · 1227403 | 60 m | Monopole | Constructed |
| 18 | Windham · 1043733 | 60 m | Lattice tower | Constructed |
| 19 | Willimantic · 1210314 | 58 m | Tower (type not specified) | Dismantled |
| 20 | Danielson · 1229856 | 58 m | Tower (type not specified) | Granted (not yet constructed) |
| 21 | Sterling · 1233395 | 58 m | Tower (type not specified) | Granted (not yet constructed) |
| 22 | Windham · 1221373 | 57 m | Monopole | Constructed |
| 23 | Willimantic · 1238351 | 56 m | Pole | Constructed |
| 24 | Putnam · 1060766 | 55 m | Monopole | Constructed |
| 25 | Chaplin · 1219915 | 55 m | Monopole | Constructed |
| 26 | Brooklyn · 1231795 | 55 m | Monopole | Constructed |
| 27 | Promfret · 1201278 | 55 m | Monopole | Constructed |
| 28 | Ashford · 1248714 | 54 m | Monopole | Constructed |
| 29 | Pomfret · 1232484 | 52 m | Monopole | Constructed |
| 30 | Hampton · 1216676 | 50 m | Guyed tower | Constructed |
| 31 | Danielson · 1055848 | 50 m | Monopole | Constructed |
| 32 | Plainfield · 1270241 | 50 m | Monopole | Constructed |
| 33 | Windham · 1333379 | 49 m | Monopole | Granted (not yet constructed) |
| 34 | Danielson · 1296468 | 48 m | Lattice tower | Constructed |
| 35 | Danielson · 1019195 | 47 m | Tower (type not specified) | Granted (not yet constructed) |
| 36 | North Grosvenor Dale · 1261046 | 47 m | Monopole | Constructed |
| 37 | Eastford · 1271329 | 47 m | Monopole | Constructed |
| 38 | Chaplin · 1240431 | 46 m | Monopole | Constructed |
| 39 | Brooklyn · 1248716 | 46 m | Monopole | Constructed |
| 40 | South Woodstock · 1044251 | 45 m | Tower (type not specified) | Dismantled |
| 41 | Sterling · 1261045 | 45 m | Monopole | Constructed |
| 42 | North Grosvenordale · 1261048 | 43 m | Tower (type not specified) | Constructed |
| 43 | Woodstock · 1273379 | 43 m | Unspecified structure | Constructed |
| 44 | North Grosvenordale · 1261049 | 43 m | Tower (type not specified) | Canceled |
| 45 | Woodstock · 1278179 | 36 m | Monopole | Constructed |
| 46 | Killingly · 1299950 | 31 m | Building with antenna | Constructed |
| 47 | North Windham · 1252207 | 27 m | Monopole | Constructed |
| 48 | Danielson · 1210682 | 26 m | Pole | Dismantled |
| 49 | Daneilson · 1259369 | 9 m | Tower (type not specified) | Constructed |
Frequently asked questions
How many cell towers are in Windham County, CT?
The FCC Antenna Structure Registration database lists 49 registered antenna structures in Windham County, Connecticut, 37 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 Windham County?
The tallest constructed registered structure in Windham County is registration 1056419, a guyed tower near Killingly at 98 m (322 ft) overall height.
Who owns the most towers in Windham County?
SBA Properties, LLC and SBA Towers, LLC are tied for the most registrations in Windham County, with 7 each.
What kind of towers are in Windham County?
Monopole is the most common filed type (19 of 49 registrations), then tower (13).
More in Connecticut
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 6, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structures in Windham County, Connecticut”, https://towercensus.com/towers/connecticut/county/windham-county (data as of October 6, 2026).