Antenna structures in Howard County, Maryland
At a glance
Howard County, Maryland has 69 FCC-registered antenna structures, 50 of them marked constructed. That is the 11th-largest count among the 24 Maryland counties with registrations, and 3.6% of the state's 1,911. The tallest constructed structure in the county is registration 1058414 near Cooksville at 153 m (503 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Howard County compare with the rest of Maryland?
With 69 registrations, Howard County ranks 11th of 24 counties in Maryland; Prince George's County leads the state with 209. The average registered overall height here is 72 m, roughly in line with the Maryland average of 70 m. The tallest standing structure, at 153 m, is about twice the county average.
What kinds of structures are registered in Howard County?
The most common filed structure type in Howard County is tower (code TOWER), with 28 registrations (40.6%). It is followed by pole (13) and monopole (13). In all, 5 different FCC structure-type codes appear in the county.
By registration status: 50 constructed, 7 terminated, 4 canceled, 4 dismantled and 4 granted (not yet constructed). Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in Howard County?
COUNTY OF HOWARD holds the most registrations in Howard County, with 12 of the 69. The next largest are American Towers LLC (11), SBA 2012 TC Assets, LLC (5) and BALTIMORE GAS & ELECTRIC (4). 23 owners with two or more registrations nationwide hold structures in the county.
Which places in Howard County have registered structures?
Registrations in Howard County list 22 different city or place names. The most frequent are Ellicott City (10), Elkridge (9), Clarksville (5), Dayton (5) and Jessup (4).
Every registration
All 69 structures in Howard County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Cooksville · 1058414 | 153 m | Lattice tower | Constructed |
| 2 | West Friendship · 1210927 | 153 m | Tower (type not specified) | Canceled |
| 3 | Clarksville · 1035813 | 153 m | Lattice tower | Constructed |
| 4 | Jonestown · 1210838 | 152 m | Tower (type not specified) | Constructed |
| 5 | Clarksville · 1210839 | 152 m | Tower (type not specified) | Granted (not yet constructed) |
| 6 | Jonestown · 1224670 | 135 m | Tower (type not specified) | Constructed |
| 7 | Ellicott City · 1044309 | 125 m | Guyed tower | Constructed |
| 8 | Savage · 1214905 | 122 m | Tower (type not specified) | Constructed |
| 9 | Jonestown · 1210734 | 115 m | Tower (type not specified) | Constructed |
| 10 | Elkridge · 1038566 | 114 m | Lattice tower | Constructed |
| 11 | Dayton · 1222107 | 109 m | Tower (type not specified) | Constructed |
| 12 | Elkridge · 1002959 | 107 m | Tower (type not specified) | Canceled |
| 13 | Ellicott City · 1212109 | 107 m | Tower (type not specified) | Granted (not yet constructed) |
| 14 | Ellicott City · 1229716 | 104 m | Unspecified structure | Constructed |
| 15 | Jessup · 1045861 | 102 m | Lattice tower | Constructed |
| 16 | Mount Airy · 1208357 | 99 m | Tower (type not specified) | Constructed |
| 17 | Cooksville · 1032932 | 93 m | Lattice tower | Constructed |
| 18 | West Friendship · 1212107 | 91 m | Unspecified structure | Constructed |
| 19 | Dayton · 1037347 | 88 m | Unspecified structure | Dismantled |
| 20 | Ellicott City · 1053448 | 82 m | Unspecified structure | Constructed |
| 21 | Marriotsville · 1224527 | 82 m | Guyed tower | Constructed |
| 22 | Mount Airy · 1028396 | 77 m | Tower (type not specified) | Terminated |
| 23 | Mount Airy · 1031757 | 77 m | Tower (type not specified) | Constructed |
| 24 | Clarksville · 1036155 | 77 m | Tower (type not specified) | Constructed |
| 25 | Marriottsville · 1039412 | 70 m | Lattice tower | Constructed |
| 26 | Ellicott City · 1036319 | 68 m | Tower (type not specified) | Dismantled |
| 27 | Ellicott City · 1276795 | 68 m | Tower (type not specified) | Constructed |
| 28 | Laurel · 1036320 | 64 m | Tower (type not specified) | Constructed |
| 29 | Clarksville · 1058415 | 63 m | Tower (type not specified) | Constructed |
| 30 | Dayton · 1210926 | 63 m | Tower (type not specified) | Granted (not yet constructed) |
| 31 | Cooksville · 1008441 | 62 m | Tower (type not specified) | Constructed |
| 32 | Ellicott City · 1056838 | 62 m | Tower (type not specified) | Constructed |
| 33 | Sykesville · 1235261 | 61 m | Pole | Constructed |
| 34 | Columbia · 1306377 | 61 m | Monopole | Constructed |
| 35 | Jessup · 1039416 | 61 m | Tower (type not specified) | Terminated |
| 36 | Elkridge · 1297364 | 61 m | Monopole | Canceled |
| 37 | Elkridge · 1035852 | 60 m | Lattice tower | Constructed |
| 38 | Ellicott City · 1039398 | 60 m | Tower (type not specified) | Constructed |
| 39 | Elkridge · 1283959 | 60 m | Pole | Constructed |
| 40 | Clarksville · 1039415 | 59 m | Monopole | Constructed |
| 41 | Laurel · 1039405 | 59 m | Tower (type not specified) | Constructed |
| 42 | Savage · 1059014 | 59 m | Tower (type not specified) | Terminated |
| 43 | Annapolis Junction · 1001286 | 58 m | Tower (type not specified) | Dismantled |
| 44 | Annapolis · 1279442 | 56 m | Tower (type not specified) | Constructed |
| 45 | Laurel · 1292634 | 56 m | Lattice tower | Constructed |
| 46 | Elkridge · 1219071 | 55 m | Pole | Constructed |
| 47 | Highland · 1217980 | 52 m | Pole | Canceled |
| 48 | Elkridge · 1303536 | 51 m | Monopole | Constructed |
| 49 | Dayton · 1273936 | 49 m | Monopole | Constructed |
| 50 | Dayton · 1217781 | 49 m | Pole | Dismantled |
| 51 | Columbia · 1275034 | 49 m | Pole | Constructed |
| 52 | Ellicott City · 1332751 | 49 m | Pole | Granted (not yet constructed) |
| 53 | Ellicott City · 1271631 | 49 m | Tower (type not specified) | Constructed |
| 54 | Elkridge · 1039413 | 48 m | Pole | Constructed |
| 55 | Baltimore · 1012871 | 47 m | Pole | Terminated |
| 56 | Fulton · 1269759 | 47 m | Monopole | Constructed |
| 57 | Woodstock · 1271636 | 47 m | Guyed tower | Constructed |
| 58 | Woodbine · 1278932 | 44 m | Monopole | Constructed |
| 59 | Columbia · 1023348 | 43 m | Pole | Terminated |
| 60 | Woodstock · 1271639 | 41 m | Tower (type not specified) | Constructed |
| 61 | Marriottsville · 1320162 | 41 m | Monopole | Constructed |
| 62 | Savage · 1014456 | 40 m | Pole | Terminated |
| 63 | Elkridge · 1291904 | 40 m | Monopole | Constructed |
| 64 | Fulton · 1325150 | 39 m | Monopole | Constructed |
| 65 | Jessup · 1280242 | 36 m | Pole | Constructed |
| 66 | Jessup · 1276192 | 35 m | Monopole | Constructed |
| 67 | Annapolis Junction · 1012868 | 35 m | Pole | Terminated |
| 68 | Laurel · 1315151 | 25 m | Monopole | Constructed |
| 69 | Columbia · 1298242 | 19 m | Monopole | Constructed |
Frequently asked questions
How many cell towers are in Howard County, MD?
The FCC Antenna Structure Registration database lists 69 registered antenna structures in Howard County, Maryland, 50 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 Howard County?
The tallest constructed registered structure in Howard County is registration 1058414, a lattice tower near Cooksville at 153 m (503 ft) overall height.
Who owns the most towers in Howard County?
COUNTY OF HOWARD holds the most registrations in Howard County (12), followed by American Towers LLC (11).
What kind of towers are in Howard County?
Tower (type not specified) is the most common filed type (28 of 69 registrations), then pole (13).
More in Maryland
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 Howard County, Maryland”, https://towercensus.com/towers/maryland/county/howard-county (data as of October 13, 2026).