# McKinstry Company, LLC McKinstry Company, LLC is listed as a sprinkler contractor with an address in Seattle, WA, United States. McKinstry Company, LLC appears on the Washington State Patrol, Fire Protection Bureau register (Fire Sprinkler System Contractor Level 3), with an address in Seattle, WA. ## Details - Address: Post Office Box 24567, Seattle, WA, 98124, United States - Phone: [12067623311]() - Website: [www.mckinstry.com/join-us/]() - Issuing licensing agency / jurisdiction: Washington State Patrol, Fire Protection Bureau - Source of the listing data: Washington State Patrol, Fire Protection Bureau, https://wsp.wa.gov/wp-content/uploads/2026/11/10.26-Contractors.pdf, fetched 2026-11-10. Website, map pin from Overture Maps Places (CDLA-Permissive-2.0, release 2026-10-21.0). ## Questions ### Where is McKinstry Company, LLC? McKinstry Company, LLC is at Post Office Box 24567, Seattle, WA, 98124, United States. ### How do I contact McKinstry Company, LLC? To contact McKinstry Company, LLC, call 12067623311 or visit https://www.mckinstry.com/join-us/. ## Source From [Public licence registers and member directories](https://wsp.wa.gov/wp-content/uploads/2026/11/10.26-Contractors.pdf), license NFSA: copyright, all rights reserved; no reuse licence stated. Texas and Washington: public registers; no reuse licence stated. Québec: CC BY 4.0., checked 2026-11-10. Last updated November 10, 2026. ## Links - This sprinkler contractor on the [web page]() - [Sprinkler installation in Seattle]() - [More sprinkler contractors in Seattle]()