Colorado / Boulder County

#18 of 63 CO counties · 31 structures

Cell towers in Boulder County, CO

The FCC registry lists 31 constructed antenna structures in Boulder County, 2% of Colorado's 1,613. Ownership is spread across 23 registrants; the largest, American Tower, has 4 (13%). The three big tower companies — American Tower, Crown Castle and SBA — hold 8 between them.

Value a buyout offer

1234
  1. 1Constructed structures 31
  2. 2Tallest 216 ft
  3. 3Largest owner American Tower
  4. 4Median height (state 130 ft) 70 ft
Structures
31
rank 18 of 63 in CO
Most common type
Tower
29% of structures
Over 200 feet
1
3% of structures
Peak build decade
2000s
32% built then

Who owns the towers in Boulder County

23 different registrants own the 31 structures. One is registered to an individual or family trust, whose name 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 Tower4Verizon3T-Mobile3Crown Castle2SBA Communications2City of Boulder2STC Five LLC1RF Towers, LLC1
Constructed structures in Boulder County by owner group, bars to scale. Source: FCC ASR, October 2026.

Height and age

The median structure here stands 70 feet, 60 feet shorter than the Colorado median, typical of denser areas where more, shorter sites fill in coverage. The tallest is a structure near Boulder at 216 feet, built in 1996. More than in any other decade, 32% were built in the 2000s.

Tower9Monopole6Lattice tower5On a building3Pole3Guyed tower3Other or unspecified2
Structures in Boulder County by type, bars to scale. Source: FCC ASR.
31980s81990s102000s62010s42020s
Structures in Boulder 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
1033690Other or unspecified216 ft1996BoulderPrivate owner (name withheld)
1292584Guyed tower197 ft1991LongmontAmerican Towers LLC
1228514Lattice tower193 ft2003LongmontAmerican Towers LLC
1317829Lattice tower170 ft2021BoulderCity of Boulder
1024061Other or unspecified167 ft1997BoulderRF Towers, LLC
1299892On a building119 ft1980LongmontQwest Corporation
1064011Lattice tower105 ft1991BoulderXcel Energy Services Inc.
1320281Guyed tower105 ft1984BoulderAmerican Towers LLC
1209700Tower100 ft1990BoulderBOULDER COUNTY
1316806Lattice tower100 ft2021BoulderCity of Boulder
1230181Tower94 ft2005LongmontT-Mobile West Tower LLC
1322612Monopole92 ft2015GoldenTarpon Towers II, LLC
1004481Tower85 ft1997BoulderCellco Partnership
1250589Tower80 ft2005ErieT-Mobile Central LLC
1015742Monopole70 ft2018LafayetteSTC Five LLC
1260482Tower70 ft2008BoulderBoulder, County of
1297504Monopole69 ft2017NiwotWeld County
1210603Tower65 ft1987BoulderBoulder Excavating Company
1237597Monopole55 ft2019LafayetteT-Mobile West Tower LLC
1257636Pole50 ft2007ErieCCATT LLC
1314948Monopole50 ft2020LyonsPI Tower Development LLC c/o LendLease Americas Inc
1269535Tower49 ft2005LyonsSBA 2012 TC Assets, LLC
1269580Tower45 ft2004LongmontSBA 2012 TC Assets, LLC
1288756Pole44 ft2014BoulderOctagon Towers, LLC
1292585Lattice tower41 ft1991LongmontAmerican Towers LLC
1296450Guyed tower39 ft2015BoulderCCTM1 LLC
1222225Tower37 ft2002BoulderTribune Broadcasting Company II, LLC
1231227Pole35 ft2002BoulderCellco Partnership
1210841On a building30 ft1991BoulderCITY OF BOULDER
1265588On a building30 ft2008LafayetteCricket Communications, Inc.
1308507Monopole30 ft2020BoulderCellco Partnership

If you have a tower lease in Boulder 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 Colorado with similar tower counts: Lincoln County (37), Washington County (34), Morgan County (32), Las Animas County (30), Otero County (30).

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.