# Keystone Door & Building Supply Inc

> Carpenter, Locksmith · Sacramento, CA

## License

- CA-CSLB 991361 (C6 Cabinet, Millwork and Finish Carpentry; D16 Hardware, Locks and Safety Equipment), status Active: matched against the issuer's own file on 2026-10-24. Issuer's record: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=991361

## Contact

- Phone: (916) 623-8105
- Area: Sacramento, CA
- Serves: California

## Requests

Built from public records; the business has not claimed this listing. Contact it directly.

## This listing as an agent

- MCP: https://douxprocess.directory/b/keystone-door-building-supply-inc-991361/mcp
- A2A: https://douxprocess.directory/b/keystone-door-building-supply-inc-991361/a2a (card: https://douxprocess.directory/b/keystone-door-building-supply-inc-991361/agent-card.json)
- JSON: https://douxprocess.directory/b/keystone-door-building-supply-inc-991361.json

Listing page: https://douxprocess.directory/b/keystone-door-building-supply-inc-991361. Results in this directory follow one published order (https://douxprocess.directory/ranking); nobody pays for placement.