`README.md`

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# CSLB Call List (California)
Source: CSLB Contractor License Master File (free bulk CSV, downloaded 2026-08-20).
Filtered to State=CA, PrimaryStatus=CLEAR (active), deduped by license number.

## Buckets (a license can be in more than one)
- **C9** Drywall — *this is what "C-52" maps to; C-52 does not exist in CSLB (skips C-51→C-53)*
- **C54** Ceramic & Mosaic Tile
- **WALLCOVER** wallcovering/paper-hanging specialists (matched by business name)
- **C33** Painting & Decorating (wallcovering-capable, mostly painters — broad)
- **D06** legacy/retired code (not decorative; included so you can drop it)

## Columns
license_no, business_name, matched_buckets, all_classifications, business_type,
address, city, county, state, zip, business_phone, primary_status, issue_date,
expiration_date, **email, website, linkedin, yelp** (last 4 = phase-2 enrichment, currently blank)

## Files
- out/cslb_call_list_CA.csv — full deduped roster (24,906)
- out/cslb_*_CA.csv — per-bucket splits