Crowdsourced cell site
Structure facts
What the site currently knows about this tower, pulled from the public source stack behind the route graph.
Registration
Crowdsourced-only site
Location
San Mateo, CA 94403
Lighting
Unknown
Status
Observed in OpenCelliD
Coordinates
37.55342, -122.29868
Notes
Approximate OpenCelliD-only site clustered from 23 cell observations across 550 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Carrier presence
The carrier and technology hints that make this more useful than a raw tower-owner listing.
AT&T
Approx. 0.6 miles
LTE
Approximate site confidence built from 7 cell observations across 138 crowd samples.
T-Mobile
Approx. 1.1 miles
5G NR
GSM
LTE
Approximate site confidence built from 12 cell observations across 316 crowd samples.
Verizon
Approx. 6.2 miles
LTE
Approximate site confidence built from 4 cell observations across 96 crowd samples.
Nearby pages
Other tower detail pages within a short drive of this site.
San Mateo, CA
ASR matchedSan Mateo 24.4 ASR-1274298
24.4 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
Transmission Tower 44/173, 1900 South Norfolk Street
San Mateo, CA
ASR matchedSan Mateo 13.7 ASR-1283932
13.7 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 73 meters away.
2495 South Delaware Street
Verizon
LTE
San Mateo, CA
ASR matchedSan Mateo 13.7 ASR-1283706
13.7 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 161 meters away.
2495 South Delaware Street
Verizon
LTE
San Mateo, CA
ASR matchedSan Mateo 46.3 ASR-1215230
46.3 with 2 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 35 meters away.
1400 Fashion Island Boulevard
AT&T
T-Mobile
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.