Antenna structures in San Luis Obispo County, California
At a glance
San Luis Obispo County, California has 144 FCC-registered antenna structures, 72 of them marked constructed. That is the 20th-largest count among the 58 California counties with registrations, and 1.2% of the state's 11,862. The tallest constructed structure in the county is registration 1018365 near San Luis Obispo at 141 m (463 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does San Luis Obispo County compare with the rest of California?
With 144 registrations, San Luis Obispo County ranks 20th of 58 counties in California; Los Angeles County leads the state with 2,132. The average registered overall height here is 28 m, about 14% below the California average of 32 m. The tallest standing structure, at 141 m, is about 5.1 times the county average.
What kinds of structures are registered in San Luis Obispo County?
The most common filed structure type in San Luis Obispo County is tower (code TOWER), with 47 registrations (32.6%). It is followed by pole (36) and monopole (21). In all, 18 different FCC structure-type codes appear in the county.
By registration status: 72 constructed, 24 granted (not yet constructed), 20 canceled, 20 terminated and 8 dismantled. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in San Luis Obispo County?
Crown Castle GT Company, LLC and PACIFIC GAS & ELECTRIC COMPANY hold the most registrations in San Luis Obispo County, 11 each of the 144. Other owners include AirTouch Cellular (9), CALIFORNIA, STATE OF (7) and UNION PACIFIC RAILROAD COMPANY (6). 43 owners with two or more registrations nationwide hold structures in the county.
Which places in San Luis Obispo County have registered structures?
Registrations in San Luis Obispo County list 26 different city or place names. The most frequent are San Luis Obispo (64), Paso Robles (19), Santa Margarita (7), Morro Bay (6) and Arroyo Grande (6).
Every registration
All 144 structures in San Luis Obispo County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | San Luis Obispo · 1018365 | 141 m | Guyed tower | Constructed |
| 2 | Morro Bay · 1022862 | 138 m | Tower (type not specified) | Constructed |
| 3 | Avila Beach · 1015534 | 86 m | Tower (type not specified) | Constructed |
| 4 | Cambria · 1022319 | 84 m | Tower (type not specified) | Constructed |
| 5 | Avila Beach · 1022863 | 79 m | Building | Constructed |
| 6 | San Luis Obispo · 1222574 | 79 m | Lattice tower | Constructed |
| 7 | Morro Bay · 1044086 | 71 m | Antenna tower array (tower 2 of 3) | Dismantled |
| 8 | Morro Bay · 1044087 | 70 m | Antenna tower array (tower 3 of 3) | Dismantled |
| 9 | San Luis Obispo · 1210900 | 69 m | Tower (type not specified) | Constructed |
| 10 | Morro Bay · 1044085 | 68 m | Antenna tower array (tower 1 of 3) | Dismantled |
| 11 | Pismo Beach · 1203251 | 63 m | Tower (type not specified) | Constructed |
| 12 | Avila Beach · 1015533 | 61 m | Lattice tower | Constructed |
| 13 | San Luis Obispo · 1044749 | 61 m | Tower (type not specified) | Constructed |
| 14 | Santa Margarita · 1323769 | 61 m | Lattice tower | Constructed |
| 15 | Paso Robles · 1028048 | 53 m | Tower (type not specified) | Constructed |
| 16 | San Luis Obispo · 1020217 | 47 m | Tower (type not specified) | Constructed |
| 17 | California Valley · 1018684 | 45 m | Pole | Terminated |
| 18 | San Luis Obispo · 1248802 | 45 m | Utility pole | Canceled |
| 19 | San Luis Obispo · 1267068 | 45 m | Tower (type not specified) | Constructed |
| 20 | San Luis Obispo · 1063799 | 43 m | Tower (type not specified) | Constructed |
| 21 | San Luis Obispo · 1254041 | 42 m | Antenna tower array (tower 1 of 2) | Granted (not yet constructed) |
| 22 | San Luis Obispo · 1254042 | 42 m | Antenna tower array (tower 2 of 2) | Granted (not yet constructed) |
| 23 | Santa Margarita · 1009393 | 39 m | Tower (type not specified) | Constructed |
| 24 | Santa Margarita · 1223648 | 39 m | Lattice tower | Constructed |
| 25 | Nipomo · 1333588 | 38 m | Disguised structure (tree) | Granted (not yet constructed) |
| 26 | San Luis Obispo · 1317743 | 37 m | Lattice tower | Constructed |
| 27 | Paso Robles · 1282772 | 36 m | Tower (type not specified) | Constructed |
| 28 | San Luis Obispo · 1232242 | 35 m | Utility pole | Canceled |
| 29 | San Luis Obispo · 1269715 | 35 m | Tower (type not specified) | Constructed |
| 30 | San Luis Obispo · 1248804 | 34 m | Utility pole | Canceled |
| 31 | San Luis Obispo · 1255533 | 34 m | Tower (type not specified) | Constructed |
| 32 | San Luis Obispo · 1007787 | 33 m | Lattice tower | Constructed |
| 33 | Paso Robles · 1017124 | 32 m | Tower (type not specified) | Terminated |
| 34 | San Luis Obispo · 1242523 | 32 m | Utility pole | Constructed |
| 35 | Santa Margarita · 1296588 | 32 m | Lattice tower | Constructed |
| 36 | San Luis Obispo · 1053731 | 31 m | Tower (type not specified) | Constructed |
| 37 | San Luis Obispo · 1254491 | 31 m | Tower (type not specified) | Granted (not yet constructed) |
| 38 | Avila Beach · 1015537 | 30 m | Tower (type not specified) | Terminated |
| 39 | San Luis Obispo · 1252446 | 30 m | Tower (type not specified) | Granted (not yet constructed) |
| 40 | San Luis Obispo · 1233081 | 29 m | Utility pole | Canceled |
| 41 | San Luis Obispo · 1014229 | 29 m | Building with pole | Dismantled |
| 42 | San Luis Obispo · 1308043 | 29 m | Lattice tower | Granted (not yet constructed) |
| 43 | Arroyo Grande · 1228546 | 29 m | Pole | Canceled |
| 44 | Paso Robles · 1013064 | 27 m | Pole | Canceled |
| 45 | Templeton · 1013065 | 27 m | Pole | Canceled |
| 46 | Atascadero · 1013066 | 27 m | Pole | Canceled |
| 47 | Arroyo Grande · 1018683 | 27 m | Tower (type not specified) | Terminated |
| 48 | Paso Robles · 1228627 | 27 m | Pole | Constructed |
| 49 | San Luis Obispo · 1014228 | 26 m | Tower (type not specified) | Constructed |
| 50 | San Luis Obispo · 1023627 | 26 m | Building with tower | Granted (not yet constructed) |
| 51 | San Luis Obispo · 1289372 | 26 m | Lattice tower | Constructed |
| 52 | Oceano · 1227629 | 26 m | Pole | Constructed |
| 53 | San Luis Obispo · 1271085 | 26 m | Tower (type not specified) | Constructed |
| 54 | San Luis Obispo · 1323063 | 26 m | Pole | Constructed |
| 55 | San Luis Obispo · 1309414 | 25 m | Building with antenna | Constructed |
| 56 | Paso Robles · 1332660 | 25 m | Monopole | Granted (not yet constructed) |
| 57 | Santa Margarita · 1281040 | 24 m | Lattice tower | Granted (not yet constructed) |
| 58 | Oceano · 1320526 | 24 m | Monopole | Constructed |
| 59 | Nipomo · 1322184 | 24 m | Monopole | Constructed |
| 60 | San Luis Obispo · 1014346 | 24 m | Building | Terminated |
| 61 | Arroyo Grande · 1232305 | 24 m | Pole | Canceled |
| 62 | California Valley · 1281612 | 24 m | Pole | Constructed |
| 63 | San Luis Obispo · 1015536 | 23 m | Tower (type not specified) | Terminated |
| 64 | Nipomo · 1269313 | 23 m | Tower (type not specified) | Constructed |
| 65 | San Luis Obispo · 1308041 | 23 m | Mast | Granted (not yet constructed) |
| 66 | Paso Robles · 1065713 | 23 m | Lattice tower | Constructed |
| 67 | Paso Robles · 1306825 | 23 m | Monopole | Canceled |
| 68 | Atascadero · 1017122 | 21 m | Pole | Terminated |
| 69 | Grover Ciry · 1247798 | 21 m | Tower (type not specified) | Granted (not yet constructed) |
| 70 | San Luis Obispo · 1255260 | 21 m | Disguised structure (tree) | Canceled |
| 71 | Santa Margarita · 1283207 | 21 m | Tower (type not specified) | Constructed |
| 72 | Cambria · 1329148 | 21 m | Monopole | Granted (not yet constructed) |
| 73 | Creston · 1332078 | 21 m | Tank | Granted (not yet constructed) |
| 74 | Arroyo Grande · 1331941 | 21 m | Monopole | Granted (not yet constructed) |
| 75 | Grover Beach · 1045153 | 20 m | Pole | Constructed |
| 76 | Avila Beach · 1015535 | 20 m | Tower (type not specified) | Terminated |
| 77 | Grover City · 1232914 | 20 m | Tower (type not specified) | Canceled |
| 78 | San Luis Obispo · 1200475 | 20 m | Tower (type not specified) | Constructed |
| 79 | San Luis Obispo · 1213841 | 20 m | Monopole | Constructed |
| 80 | San Luis Obispo · 1253839 | 20 m | Tower (type not specified) | Constructed |
| 81 | San Luis Obispo · 1286358 | 20 m | Monopole | Granted (not yet constructed) |
| 82 | Oceano · 1324348 | 20 m | Monopole | Granted (not yet constructed) |
| 83 | Paso Robles · 1230370 | 20 m | Tower (type not specified) | Canceled |
| 84 | San Luis Obispo · 1247684 | 20 m | Pole | Constructed |
| 85 | Grover Beach · 1019478 | 19 m | Monopole | Constructed |
| 86 | Arroyo Grande · 1239547 | 19 m | Pole | Constructed |
| 87 | Paso Robles · 1303026 | 19 m | Monopole | Constructed |
| 88 | San Luis Obispo · 1292139 | 19 m | Monopole | Constructed |
| 89 | Paso Robles · 1202071 | 18 m | Tower (type not specified) | Terminated |
| 90 | San Luis Obispo · 1212586 | 18 m | Pole | Constructed |
| 91 | San Luis Obispo · 1215757 | 18 m | Pole | Constructed |
| 92 | San Luis Obispos · 1232913 | 18 m | Tower (type not specified) | Canceled |
| 93 | Paso Robles · 1326513 | 18 m | Monopole | Constructed |
| 94 | Creston · 1328650 | 18 m | Monopole | Granted (not yet constructed) |
| 95 | Paso Robles · 1009843 | 18 m | Pole | Canceled |
| 96 | Whitley Gardens · 1018603 | 18 m | Pole | Terminated |
| 97 | Paso Robles · 1018724 | 18 m | Pole | Terminated |
| 98 | San Luis Obispo · 1278693 | 18 m | Tower (type not specified) | Granted (not yet constructed) |
| 99 | Shandon · 1233915 | 18 m | Monopole | Constructed |
| 100 | Paso Robles · 1013690 | 17 m | Tower (type not specified) | Granted (not yet constructed) |
| 101 | San Miguel · 1295824 | 17 m | Pole | Constructed |
| 102 | San Luis Obispo · 1298534 | 17 m | Pole | Constructed |
| 103 | Paso Robles · 1329751 | 17 m | Monopole | Constructed |
| 104 | Los Osos · 1330693 | 17 m | Monopole | Constructed |
| 105 | Los Osos · 1018682 | 17 m | Pole | Terminated |
| 106 | San Luis Obispo · 1235902 | 16 m | Pole | Constructed |
| 107 | Morro Bay · 1269483 | 16 m | Tower (type not specified) | Constructed |
| 108 | San Luis Obispo · 1014967 | 16 m | Pole | Constructed |
| 109 | Morro Bay · 1017123 | 16 m | Tower (type not specified) | Terminated |
| 110 | Cambria · 1019140 | 15 m | Tower (type not specified) | Terminated |
| 111 | Oceano · 1251372 | 15 m | Tower (type not specified) | Constructed |
| 112 | San Luis Obispo · 1268372 | 15 m | Unspecified structure | Dismantled |
| 113 | San Luis Obispo · 1277230 | 15 m | Pole | Constructed |
| 114 | San Luis Obispo · 1281983 | 15 m | Pole | Dismantled |
| 115 | San Luis Obispo · 1207823 | 15 m | Tower (type not specified) | Constructed |
| 116 | San Luis Obispo · 1308042 | 15 m | Lattice tower | Granted (not yet constructed) |
| 117 | Lemoore · 1013102 | 15 m | Tower (type not specified) | Constructed |
| 118 | Atascardero · 1230373 | 14 m | Tower (type not specified) | Canceled |
| 119 | Grover City · 1013684 | 14 m | Tower (type not specified) | Constructed |
| 120 | Paso Robles · 1013689 | 14 m | Building with antenna | Constructed |
| 121 | Grover Beach · 1242329 | 14 m | Pole | Constructed |
| 122 | San Luis Obispo · 1287342 | 14 m | Pole | Constructed |
| 123 | Paso Robles · 1298082 | 14 m | Lattice tower | Constructed |
| 124 | Atascadero · 1230371 | 13 m | Tower (type not specified) | Canceled |
| 125 | San Luis Obispo · 1285769 | 12 m | Pole | Dismantled |
| 126 | San Luis Obispo · 1010087 | 12 m | Pole | Canceled |
| 127 | San Luis Obispo · 1283616 | 12 m | Pole | Constructed |
| 128 | San Luis Obispo · 1286357 | 12 m | Monopole | Granted (not yet constructed) |
| 129 | San Luis Obispo · 1016583 | 12 m | Pole | Terminated |
| 130 | San Luis Obispo · 1018681 | 12 m | Tower (type not specified) | Constructed |
| 131 | Oceano · 1305187 | 11 m | Lattice tower | Constructed |
| 132 | Santa Margarita · 1230372 | 10 m | Tower (type not specified) | Canceled |
| 133 | Ventucopa · 1018602 | 10 m | Pole | Terminated |
| 134 | Ventucopa · 1022128 | 10 m | Pole | Terminated |
| 135 | Paso Robles · 1015530 | 9 m | Building | Terminated |
| 136 | Arroyo Grande · 1014369 | 9 m | Building | Terminated |
| 137 | San Luis Obispo · 1285450 | 9 m | Monopole | Granted (not yet constructed) |
| 138 | San Luis Obispo · 1285451 | 9 m | Monopole | Granted (not yet constructed) |
| 139 | San Luis Obispo · 1286118 | 9 m | Monopole | Granted (not yet constructed) |
| 140 | San Luis Obispo · 1287123 | 9 m | Tank | Constructed |
| 141 | San Luis Obispo · 1218760 | 8 m | Pole | Dismantled |
| 142 | San Luis Obispo · 1218758 | 8 m | Pole | Constructed |
| 143 | Hoppland · 1233139 | 8 m | Tower (type not specified) | Canceled |
| 144 | San Luis Obispo · 1015528 | 6 m | Building | Terminated |
Frequently asked questions
How many cell towers are in San Luis Obispo County, CA?
The FCC Antenna Structure Registration database lists 144 registered antenna structures in San Luis Obispo County, California, 72 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 San Luis Obispo County?
The tallest constructed registered structure in San Luis Obispo County is registration 1018365, a guyed tower near San Luis Obispo at 141 m (463 ft) overall height.
Who owns the most towers in San Luis Obispo County?
Crown Castle GT Company, LLC and PACIFIC GAS & ELECTRIC COMPANY are tied for the most registrations in San Luis Obispo County, with 11 each.
What kind of towers are in San Luis Obispo County?
Tower (type not specified) is the most common filed type (47 of 144 registrations), then pole (36).
More in California
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structures in San Luis Obispo County, California”, https://towercensus.com/towers/california/county/san-luis-obispo-county (data as of October 20, 2026).