Keystone Concrete Driveway Retaining Wall Foundation Contractor-Lake Oswego/West Linn

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  name: "Keystone Concrete Driveway Retaining Wall Foundation Contractor-Lake Oswego/West Linn",
  description: "Keystone Concrete is a Portland-area concrete contractor specializing in driveways, retaining walls, foundations, and hardscaping projects. Serving Lake Oswego, West Linn, and the greater Portland metro, they handle both residential and commercial concrete work with a focus on quality craftsmanship and detailed design. Their expertise spans new installations, repairs, and custom concrete solutions for homeowners and contractors.",
  url: "https://keystoneconcretecontractor.com/",
  telephone: "+1-503-606-6900",
  address: {
    @type: "PostalAddress",
    streetAddress: "1020 SW Taylor St Suite 540",
    addressLocality: "Portland",
    addressRegion: "OR",
    postalCode: "97205",
    addressCountry: "US"
  },
  geo: {
    @type: "GeoCoordinates",
    latitude: 45.421029,
    longitude: -122.6643373
  },
  aggregateRating: {
    @type: "AggregateRating",
    ratingValue: "4.9",
    reviewCount: "23",
    bestRating: "5"
  },
  areaServed: "Portland metro area, Lake Oswego, West Linn, and surrounding communities",
  knowsAbout: "Hardscaping & Patios, Homeowners needing driveways or retaining walls, residential contractors seeking concrete subcontractors, property owners with foundation concerns",
  additionalProperty: [
    {
      @type: "PropertyValue",
      name: "differentiator",
      value: "Specialty in Retaining Walls & Foundations"
    },
    {
      @type: "PropertyValue",
      name: "differentiator",
      value: "Driveway Specialists"
    }
  ],
  publisher: {
    @type: "Organization",
    name: "Lantern",
    url: "https://lantern.llc",
    contactPoint: {
      @type: "ContactPoint",
      url: "https://lantern.llc/contact?from=ai-data",
      contactType: "AI inquiries"
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