Monopole 1258325 — Midpines, CA
DismantledFCC Antenna Structure Registration 1258325 — monopole near Midpines, California. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1258325 is a 25 m (82 ft) monopole near Midpines, Mariposa County, California. Its registration status is dismantled, with construction recorded on Jan 30, 2007, and the FCC record shows it dismantled on Apr 30, 2025. It is registered to SBA Monarch Towers I, LLC, which holds 1,078 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1258325 |
| Unique system identifier | 2657491 |
| Status | Dismantled (I) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Jan 30, 2007 |
| Registration issued | May 7, 2025 |
| Date dismantled | Apr 30, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2023-AWP-19414-OE |
| FAA circular | — |
| Painting / lighting spec | NONE |
| Marking / lighting code | None (1) |
The painting/lighting specification is copied as filed: the FAA marking and lighting chapters and paragraphs cited in the ASR record. The marking/lighting code is decoded using the FCC registration form's code list.
Registered owner
Boca Raton, FL · FRN 0021672423
Holds 1,078 FCC structure registrations — view the full portfolio →
Location
- Address
- 4746 Carsten Road (CA40054-A)
- City
- Midpines
- State
- California
- ZIP
- 95345
- County
- Mariposa County
- County FIPS
- 06043
- Coordinates
- 37.55233, -119.90853
Within ~40 km
Nearby structures
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Lattice tower · Constructed
Lattice tower · Constructed
How tall is structure 1258325 compared with others?
At 25 m, structure 1258325 is about 45% below the 45 m average across the 34 structures registered in Mariposa County. It is about 23% below the California average of 32 m across 11,860 registrations. Among the 24,638 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about 40% below that figure.
The site's filed ground elevation is 1,019 m, which puts the top of the structure 1,044 m above mean sea level.
Where is structure 1258325, and what is registered around it?
The registration places the structure near Midpines in Mariposa County, California, at coordinates 37.55233, -119.90853, with the site address filed as "4746 Carsten Road (CA40054-A)". Mariposa County has 34 FCC-registered antenna structures, the 47th-largest count among the 58 California counties with registrations, and 27 of them are marked constructed. California as a whole has 11,860 registrations, the 2nd-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Le Grand, CA · 1024397, a tower at 132 m (constructed).
What does the status "Dismantled" mean?
Dismantled means the owner has notified the FCC that the structure was taken down. The FCC issued registration 1258325 on May 7, 2025. Nationally, 12,669 of the 197,770 registrations (6.4%) carry the dismantled status, including 960 in California.
Who owns antenna structure 1258325?
The FCC record lists SBA Monarch Towers I, LLC of Boca Raton, FL as the registered owner, under FCC Registration Number 0021672423. Across the registry it holds 1,078 structure registrations, the 25th-largest portfolio among the 7,865 owners with two or more, including 156 in California. Its most common filed structure-type code is TOWER (429 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2023-AWP-19414-OE, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".
Frequently asked questions
How tall is antenna structure 1258325?
Its registered overall height above ground is 25 m (82 ft), and 1,044 m (3,425 ft) above mean sea level.
Who owns tower 1258325?
The registered owner is SBA Monarch Towers I, LLC, which holds 1,078 FCC antenna structure registrations.
Where is antenna structure 1258325?
It is located near Midpines, Mariposa County, California at 4746 Carsten Road (CA40054-A) (37.55233, -119.90853). Its status is dismantled; it was constructed on Jan 30, 2007.
What type of structure is 1258325?
It is filed with the FCC under structure-type code MTOWER, which decodes to "Monopole". Single-shaft steel pole, the standard modern cell-site structure. 24,638 registrations nationwide use the same code.
How many antenna structures are registered in Mariposa County, CA?
Mariposa County has 34 FCC-registered antenna structures, 27 of them constructed — the 47th-largest count among 58 counties in California.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1258325, weekly bulk file.
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 structure 1258325, Midpines, Mariposa County, California”, https://towercensus.com/towers/california/midpines-1258325 (data as of October 13, 2026).