diff --git a/Models/ServiceTrackerConfig.cs b/Models/ServiceTrackerConfig.cs
new file mode 100644
index 0000000..c99d9f5
--- /dev/null
+++ b/Models/ServiceTrackerConfig.cs
@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+
+namespace Disco.Plugins.ServiceTracker.Models
+{
+    /// <summary>
+    /// Plugin configuration for custom priorities, locations, and SLA timeframes.
+    /// Stored as JSON in the plugin data directory.
+    /// </summary>
+    public class ServiceTrackerConfig
+    {
+        public List<PriorityLevel> Priorities { get; set; }
+        public List<DeviceLocation> Locations { get; set; }
+        public List<string> StatusOptions { get; set; }
+        public bool AutoCreateTicketsForNewJobs { get; set; }
+        public string DefaultPriorityId { get; set; }
+        public string DefaultLocationId { get; set; }
+        public int DashboardRefreshSeconds { get; set; }
+
+        public ServiceTrackerConfig()
+        {
+            Priorities = new List<PriorityLevel>();
+            Locations = new List<DeviceLocation>();
+            StatusOptions = new List<string>();
+            AutoCreateTicketsForNewJobs = true;
+            DashboardRefreshSeconds = 60;
+        }
+
+        public static ServiceTrackerConfig CreateDefault()
+        {
+            return new ServiceTrackerConfig
+            {
+                Priorities = new List<PriorityLevel>
+                {
+                    new PriorityLevel { Id = "critical", Name = "Critical", Color = "#DC3545", SortOrder = 1, SlaHours = 4, Description = "System down, no workaround" },
+                    new PriorityLevel { Id = "high", Name = "High", Color = "#FD7E14", SortOrder = 2, SlaHours = 8, Description = "Major impact, workaround available" },
+                    new PriorityLevel { Id = "medium", Name = "Medium", Color = "#FFC107", SortOrder = 3, SlaHours = 24, Description = "Moderate impact" },
+                    new PriorityLevel { Id = "low", Name = "Low", Color = "#28A745", SortOrder = 4, SlaHours = 72, Description = "Minor issue, no urgency" },
+                    new PriorityLevel { Id = "scheduled", Name = "Scheduled", Color = "#6C757D", SortOrder = 5, SlaHours = 0, Description = "Planned work, no SLA" }
+                },
+                Locations = new List<DeviceLocation>
+                {
+                    new DeviceLocation { Id = "it-office", Name = "IT Office", Icon = "&#x1F4BB;", Color = "#337AB7", IsDefault = true },
+                    new DeviceLocation { Id = "with-user", Name = "With User", Icon = "&#x1F464;", Color = "#5CB85C", IsDefault = false },
+                    new DeviceLocation { Id = "at-repairer", Name = "At Repairer", Icon = "&#x1F527;", Color = "#F0AD4E", IsDefault = false },
+                    new DeviceLocation { Id = "in-transit", Name = "In Transit", Icon = "&#x1F69A;", Color = "#5BC0DE", IsDefault = false },
+                    new DeviceLocation { Id = "storage", Name = "Storage/Spare Pool", Icon = "&#x1F4E6;", Color = "#777777", IsDefault = false },
+                    new DeviceLocation { Id = "disposed", Name = "Disposed/Written Off", Icon = "&#x274C;", Color = "#999999", IsDefault = false }
+                },
+                StatusOptions = new List<string>
+                {
+                    "Triaging",
+                    "In Progress",
+                    "Awaiting Parts",
+                    "Awaiting User",
+                    "Awaiting Vendor",
+                    "On Hold",
+                    "Ready for Return",
+                    "Escalated",
+                    "Resolved"
+                },
+                AutoCreateTicketsForNewJobs = true,
+                DefaultPriorityId = "medium",
+                DefaultLocationId = "it-office",
+                DashboardRefreshSeconds = 60
+            };
+        }
+    }
+
+    public class PriorityLevel
+    {
+        public string Id { get; set; }
+        public string Name { get; set; }
+        public string Color { get; set; }
+        public int SortOrder { get; set; }
+        public int SlaHours { get; set; }
+        public string Description { get; set; }
+    }
+
+    public class DeviceLocation
+    {
+        public string Id { get; set; }
+        public string Name { get; set; }
+        public string Icon { get; set; }
+        public string Color { get; set; }
+        public bool IsDefault { get; set; }
+    }
+}