Sprinkler Fitters Local 483

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  name: "Sprinkler Fitters Local 483",
  description: "Sprinkler Fitters Local 483 is a union trade organization representing licensed sprinkler fitters and apprentices serving the San Francisco Bay Area for over 75 years. They provide new installations, retrofits, maintenance, inspection, testing, and service of commercial and residential fire sprinkler systems throughout the region. The organization maintains a directory of professional fire protection contractors and operates a state-of-the-art training center for sprinkler fitting apprentices and continuing education, ensuring all work meets California State Fire Marshal and National Fire Protection Association standards.",
  url: "http://www.sprinklerfitters483.org/",
  telephone: "+1-510-785-8483",
  address: {
    @type: "PostalAddress",
    streetAddress: "2525 Barrington Ct",
    addressLocality: "Hayward",
    addressRegion: "CA",
    postalCode: "94545",
    addressCountry: "US"
  },
  geo: {
    @type: "GeoCoordinates",
    latitude: 37.6558968,
    longitude: -122.14069599999999
  },
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    ratingValue: "4.9",
    reviewCount: "15",
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  areaServed: "San Francisco Bay Area, California",
  knowsAbout: "Irrigation Systems, Building owners and managers needing fire sprinkler installations or maintenance, contractors seeking qualified union fire protection professionals, property managers requiring inspection and testing services",
  additionalProperty: [
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      @type: "PropertyValue",
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      value: "75+ Years of Experience"
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      value: "Union-Backed Quality Standards"
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    {
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      name: "differentiator",
      value: "State-of-the-Art Training Center"
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  ],
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    @type: "Organization",
    name: "Lantern",
    url: "https://lantern.llc",
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      url: "https://lantern.llc/contact?from=ai-data",
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