Antenna structures in Boulder County, Colorado
At a glance
Boulder County, Colorado has 75 FCC-registered antenna structures, 31 of them marked constructed. That is the 8th-largest count among the 63 Colorado counties with registrations, and 3.2% of the state's 2,340. The tallest constructed structure in the county is registration 1033690 near Boulder at 66 m (216 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Boulder County compare with the rest of Colorado?
With 75 registrations, Boulder County ranks 8th of 63 counties in Colorado; El Paso County leads the state with 258. The average registered overall height here is 21 m, about 41% of the Colorado average of 49 m. The tallest standing structure, at 66 m, is about 3.2 times the county average.
What kinds of structures are registered in Boulder County?
The most common filed structure type in Boulder County is pole (code POLE), with 30 registrations (40%). It is followed by tower (16) and monopole (11). In all, 9 different FCC structure-type codes appear in the county.
By registration status: 32 granted (not yet constructed), 31 constructed, 8 canceled, 3 dismantled 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 Boulder County?
SQF, LLC holds the most registrations in Boulder County, with 23 of the 75. The next largest are American Towers LLC (5), T-Mobile West LLC (5) and AT&T Mobility Spectrum LLC (3). 30 owners with two or more registrations nationwide hold structures in the county.
Which places in Boulder County have registered structures?
Registrations in Boulder County list 9 different city or place names. The most frequent are Boulder (48), Longmont (14), Erie (4), Lafayette (3) and Lyons (2).
Every registration
All 75 structures in Boulder County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Longmont · 1063972 | 69 m | Tower (type not specified) | Canceled |
| 2 | Boulder · 1033690 | 66 m | Unspecified structure | Constructed |
| 3 | Longmont · 1292584 | 60 m | Guyed tower | Constructed |
| 4 | Longmont · 1228514 | 59 m | Lattice tower | Constructed |
| 5 | Boulder · 1215395 | 53 m | Tower (type not specified) | Terminated |
| 6 | Boulder · 1317829 | 52 m | Lattice tower | Constructed |
| 7 | Boulder · 1024061 | 51 m | Unspecified structure | Constructed |
| 8 | Boulder · 1225493 | 44 m | Tower (type not specified) | Granted (not yet constructed) |
| 9 | Boulder · 1262697 | 41 m | Tower (type not specified) | Canceled |
| 10 | Longmont · 1299892 | 36 m | Building with tower | Constructed |
| 11 | Boulder · 1064011 | 32 m | Lattice tower | Constructed |
| 12 | Boulder · 1320281 | 32 m | Guyed tower | Constructed |
| 13 | Boulder · 1209700 | 31 m | Tower (type not specified) | Constructed |
| 14 | Boulder · 1316806 | 31 m | Lattice tower | Constructed |
| 15 | Longmont · 1230181 | 29 m | Tower (type not specified) | Constructed |
| 16 | Golden · 1322612 | 28 m | Monopole | Constructed |
| 17 | Longmont · 1229188 | 27 m | Tank | Granted (not yet constructed) |
| 18 | Boulder · 1334091 | 27 m | Monopole | Granted (not yet constructed) |
| 19 | Boulder · 1004481 | 26 m | Tower (type not specified) | Constructed |
| 20 | Erie · 1250589 | 24 m | Tower (type not specified) | Constructed |
| 21 | Lafayette · 1015742 | 21 m | Monopole | Constructed |
| 22 | Boulder · 1260482 | 21 m | Tower (type not specified) | Constructed |
| 23 | Erie · 1292674 | 21 m | Monopole | Canceled |
| 24 | Longmont · 1324034 | 21 m | Monopole | Granted (not yet constructed) |
| 25 | Niwot · 1297504 | 21 m | Monopole | Constructed |
| 26 | Boulder · 1210603 | 20 m | Tower (type not specified) | Constructed |
| 27 | Broomfiled · 1282389 | 18 m | Tower (type not specified) | Granted (not yet constructed) |
| 28 | Longmont · 1015743 | 18 m | Tower (type not specified) | Canceled |
| 29 | Lafayette · 1237597 | 17 m | Monopole | Constructed |
| 30 | Longmont · 1334397 | 17 m | Monopole | Granted (not yet constructed) |
| 31 | Longmont · 1232759 | 16 m | Pole | Canceled |
| 32 | Erie · 1257636 | 15 m | Pole | Constructed |
| 33 | Lyons · 1314948 | 15 m | Monopole | Constructed |
| 34 | Boulder · 1333495 | 15 m | Monopole | Granted (not yet constructed) |
| 35 | Lyons · 1269535 | 15 m | Tower (type not specified) | Constructed |
| 36 | Longmont · 1269580 | 14 m | Tower (type not specified) | Constructed |
| 37 | Boulder · 1288756 | 13 m | Pole | Constructed |
| 38 | Longmont · 1292585 | 13 m | Lattice tower | Constructed |
| 39 | Longmont · 1254640 | 12 m | Building with antenna | Canceled |
| 40 | Boulder · 1296450 | 12 m | Guyed tower | Constructed |
| 41 | Boulder · 1331420 | 12 m | Pole | Granted (not yet constructed) |
| 42 | Boulder · 1331421 | 12 m | Pole | Granted (not yet constructed) |
| 43 | Boulder · 1331422 | 12 m | Pole | Granted (not yet constructed) |
| 44 | Boulder · 1331423 | 12 m | Pole | Granted (not yet constructed) |
| 45 | Boulder · 1331424 | 12 m | Pole | Granted (not yet constructed) |
| 46 | Boulder · 1331425 | 12 m | Pole | Granted (not yet constructed) |
| 47 | Boulder · 1331426 | 12 m | Pole | Granted (not yet constructed) |
| 48 | Boulder · 1331427 | 12 m | Pole | Granted (not yet constructed) |
| 49 | Boulder · 1331428 | 12 m | Pole | Granted (not yet constructed) |
| 50 | Boulder · 1331429 | 12 m | Pole | Granted (not yet constructed) |
| 51 | Boulder · 1331430 | 12 m | Pole | Granted (not yet constructed) |
| 52 | Boulder · 1331431 | 12 m | Pole | Granted (not yet constructed) |
| 53 | Boulder · 1331433 | 12 m | Pole | Granted (not yet constructed) |
| 54 | Boulder · 1331434 | 12 m | Pole | Granted (not yet constructed) |
| 55 | Boulder · 1331435 | 12 m | Pole | Granted (not yet constructed) |
| 56 | Boulder · 1331436 | 12 m | Pole | Granted (not yet constructed) |
| 57 | Boulder · 1331437 | 12 m | Pole | Granted (not yet constructed) |
| 58 | Boulder · 1331439 | 12 m | Pole | Granted (not yet constructed) |
| 59 | Boulder · 1331440 | 12 m | Pole | Granted (not yet constructed) |
| 60 | Boulder · 1331441 | 12 m | Pole | Granted (not yet constructed) |
| 61 | Boulder · 1331442 | 12 m | Pole | Granted (not yet constructed) |
| 62 | Boulder · 1331443 | 12 m | Pole | Granted (not yet constructed) |
| 63 | Boulder · 1331445 | 12 m | Pole | Granted (not yet constructed) |
| 64 | Boulder · 1222225 | 11 m | Tower (type not specified) | Constructed |
| 65 | Boulder · 1237469 | 11 m | Unspecified structure | Dismantled |
| 66 | Boulder · 1214268 | 11 m | Pole | Granted (not yet constructed) |
| 67 | Boulder · 1231227 | 11 m | Pole | Constructed |
| 68 | Boulder · 1256525 | 11 m | Pole | Canceled |
| 69 | Erie · 1250926 | 11 m | Pole | Canceled |
| 70 | Lafayette-Louisville · 1256646 | 10 m | Building | Dismantled |
| 71 | Boulder · 1210841 | 9 m | Building with antenna | Constructed |
| 72 | Longmont · 1230548 | 9 m | Tower (type not specified) | Granted (not yet constructed) |
| 73 | Lafayette · 1265588 | 9 m | Building | Constructed |
| 74 | Boulder · 1308507 | 9 m | Monopole | Constructed |
| 75 | Boulder · 1255410 | 7 m | Building with antenna | Dismantled |
Frequently asked questions
How many cell towers are in Boulder County, CO?
The FCC Antenna Structure Registration database lists 75 registered antenna structures in Boulder County, Colorado, 31 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 Boulder County?
The tallest constructed registered structure in Boulder County is registration 1033690, a structure near Boulder at 66 m (216 ft) overall height.
Who owns the most towers in Boulder County?
SQF, LLC holds the most registrations in Boulder County (23), followed by American Towers LLC (5).
What kind of towers are in Boulder County?
Pole is the most common filed type (30 of 75 registrations), then tower (16).
More in Colorado
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 Boulder County, Colorado”, https://towercensus.com/towers/colorado/county/boulder-county (data as of October 13, 2026).