Tower detail

Fontana 18.9 ASR-1051551

4510 SIERRA AVE.. 18.9 owned by Tom with 0 listed carrier presences.

17 ft Height

18.9

Tom Owner

Structure registrant or inferred host

0 Carrier count

Distinct carrier presences on this site

ASR matched Data quality

Registered structure plus carrier overlay

Structure facts

What the site currently knows about this tower, pulled from the public source stack behind the route graph.

Registration ASR-1051551
Location Fontana, CA 92336
Lighting Unknown
Status Constructed
Coordinates 34.17222, -117.44417
Notes Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

Carrier presence

The carrier and technology hints that make this more useful than a raw tower-owner listing.

Nearby pages

Other tower detail pages within a short drive of this site.

Rialto, CA

Crowdsourced only

Approximate cell site near Rialto, CA

Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 9 cell observations across 93 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.

Approximate location near Rialto, CA 92377

Unknown height Crowdsourced cell site Unknown / crowdsource-derived 0.4 miles
AT&T T-Mobile Verizon
5G NR LTE UMTS

Rialto, CA

Crowdsourced only

Approximate cell site near Rialto, CA

Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 7 cell observations across 130 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.

Approximate location near Rialto, CA 92377

Unknown height Crowdsourced cell site Unknown / crowdsource-derived 0.7 miles
AT&T T-Mobile Verizon
5G NR LTE UMTS

Fontana, CA

ASR matched

Fontana 68.6 ASR-1247162

68.6 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

4949 Citrus Avenue

69 ft 68.6 ROBERT 0.8 miles

Fontana, CA

ASR matched

Fontana 36.6 ASR-1238839

36.6 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

APN 239 094 037 038

37 ft 36.6 L00003458 0.9 miles

Why this detail page matters

The product logic behind showing a standalone tower page instead of burying the record in a generic list.

  • Exact ASR structures and crowdsourced-only nodes are both listed, with the difference labeled rather than hidden.
  • Tower owner is often a neutral host like Crown Castle or American Tower, not the wireless carrier itself.
  • Coverage ranges here are rough carrier-level estimates derived from reported cell radii. Treat them as indicative, not exact.