{"id":"ca-473516","slug":"mr-sprinkler-fire-protection","name":"MR Sprinkler Fire Protection","aliases":["J - Four Enterprises Inc"],"state":"CA","services":["fire-sprinkler"],"licenses":[{"number":"473516","type":"C-16","label":"CSLB C-16 Fire Protection Contractor","service":"fire-sprinkler","expires":"2028-08-31","status":"active"}],"classifications":["C10","C16"],"phone":"916-773-7036","hq":{"address1":"100 Derek Place Ste 100","address2":null,"city":"Roseville","state":"CA","zip":"95678","county":"Placer","primary":true},"locations":[{"address1":"100 Derek Place Ste 100","address2":null,"city":"Roseville","state":"CA","zip":"95678","county":"Placer","primary":true}],"licensed_staff_count":0,"licensed_staff_types":[],"has_detail":true,"source":{"name":"California Contractors State License Board","url":"https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx","retrieved_at":"2026-10-24T21:27:17+00:00"},"status":"active","lapsed_since":null,"last_verified_active":"2026-10-24","url":"https://plumbregistry.com/fire-protection/providers/mr-sprinkler-fire-protection/","markdown_url":"https://plumbregistry.com/fire-protection/providers/mr-sprinkler-fire-protection/index.md","json_url":"https://plumbregistry.com/api/v1/providers/mr-sprinkler-fire-protection.json"}