Plans
Every tower, owner and state page is free forever. Pro is for working the registry: watch towers and owners, get alerts when new structures are registered in your counties, see every change, export any search. Enterprise is for building on it: every state file weekly, the REST API and an MCP server for AI tools.
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Pro
$39/mo
or $390/yr (2 months free)
For site acquisition, RF and colocation teams: watch towers and owners, get alerts on new registrations in your counties, see every change, export any search.
Enterprise
$249/mo
or $2,490/yr (2 months free)
For tower companies, carriers and analysts building on the registry: every state file weekly, the REST API, an MCP server for AI tools, webhooks and a commercial license.
| Free | Pro | Enterprise | |
|---|---|---|---|
| Browse every record and page | ✓ | ✓ | ✓ |
| Export a search to CSV | 250-row sample | up to 10,000 rows per file, 25,000 a month | up to 10,000 rows per file, plus every full file |
| Watch records for changes | 1 | 200 | 1,000 |
| Alerts on new matches for a saved search | — | 50 | 200 |
| Alert emails | weekly | daily | daily + webhooks |
| Full change history on every record | count only | ✓ | ✓ |
| National + state data files, refreshed weekly | buy one-time | buy one-time | ✓ all included |
| REST API | — | — | ✓ 120/min per key |
| MCP server for Claude, ChatGPT and agents | public summaries | public summaries | ✓ full records |
| License | personal | internal business use | commercial + redistribution |
Need the data once? Buy a state file for $49 or the national file for $499, no subscription. Downloads stay open for 30 days.
Data compiled from the FCC Antenna Structure Registration (ASR) weekly bulk database: structures that require registration (generally over 200 ft or near airports), not every rooftop site. API and MCP docs: /developers. Questions? kenny@hyder.me.