23.5
Structure facts
What the site currently knows about this tower, pulled from the public source stack behind the route graph.
Carrier presence
The carrier and technology hints that make this more useful than a raw tower-owner listing.
AT&T
Approx. 0.6 milesDerived from 3 OpenCelliD cell observations across 41 crowd samples.
Nearby pages
Other tower detail pages within a short drive of this site.
Concord, CA
ASR matchedConcord 18.3 ASR-1214892
18.3 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
1200 Franquette Ave at Challenge Dr.
Concord, CA
ASR matchedConcord 18.3 ASR-1230305
18.3 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 166 meters away.
1200 FRANQUETTE AVE
Concord, CA
Crowdsourced onlyApproximate cell site near Concord, CA
Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 9 cell observations across 176 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Concord, CA 94529
Pleasant Hill, CA
Crowdsourced onlyApproximate cell site near Pleasant Hill, CA
Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 16 cell observations across 269 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Pleasant Hill, CA 94523
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.