Tower detail

Castro Valley 21.9 ASR-1286501

3301 Norbridge Avenue. 21.9 owned by Jaime with 2 listed carrier presences.

21 ft Height

21.9

Jaime Owner

Structure registrant or inferred host

2 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-1286501
Location Castro Valley, CA 94546
Lighting Unknown
Status Constructed
Coordinates 37.69119, -122.07614
Notes Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 50 meters away.

Carrier presence

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

T-Mobile

Approx. 1.5 miles
5G NR LTE

Derived from 6 OpenCelliD cell observations across 188 crowd samples.

Verizon

Approx. 0.9 miles
LTE

Derived from 2 OpenCelliD cell observations across 54 crowd samples.

Nearby pages

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

Castro Valley, CA

Crowdsourced only

Approximate cell site near Castro Valley, CA

Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 33 cell observations across 1049 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.

Approximate location near Castro Valley, CA 94546

Unknown height Crowdsourced cell site Unknown / crowdsource-derived 0.2 miles
AT&T T-Mobile Verizon
5G NR LTE

Castro Valley, CA

Crowdsourced only

Approximate cell site near Castro Valley, CA

Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 16 cell observations across 487 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.

Approximate location near Castro Valley, CA 94546

Unknown height Crowdsourced cell site Unknown / crowdsource-derived 0.5 miles
AT&T T-Mobile Verizon
5G NR LTE

Castro Valley, CA

ASR matched

Castro Valley 13.7 ASR-1018721

13.7 with 3 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 200 meters away.

2569 CASTRO VALLEY BLVD

14 ft 13.7 Tom 0.6 miles
AT&T T-Mobile Verizon
5G NR LTE

Hayward, CA

Crowdsourced only

Approximate cell site near Hayward, CA

Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 6 cell observations across 144 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.

Approximate location near Hayward, CA 94541

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

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.