diff --git a/apps/partner-sas/instrumentation.ts b/apps/partner-sas/instrumentation.ts
index 143576eb2..8fc33edfe 100644
--- a/apps/partner-sas/instrumentation.ts
+++ b/apps/partner-sas/instrumentation.ts
@@ -1,4 +1,5 @@
 import * as Sentry from "@sentry/nextjs"
+import { TRPCError } from "@trpc/server"
 
 import { env } from "./env/server"
 
@@ -21,6 +22,20 @@ async function configureSentry() {
     tracesSampleRate: env.SENTRY_SERVER_SAMPLERATE,
     denyUrls: denyUrls,
     enableLogs: true,
+    enableMetrics: true,
     release: env.RELEASE_TAG || undefined,
+    beforeSend(event, hint) {
+      const error = hint.originalException
+
+      // Don't send TRPCErrors with client error codes
+      if (error instanceof TRPCError) {
+        const clientErrorCodes = ["CONFLICT", "NOT_FOUND", "UNAUTHORIZED"]
+        if (clientErrorCodes.includes(error.code)) {
+          return null // Don't send to Sentry
+        }
+      }
+
+      return event
+    },
   })
 }
diff --git a/apps/scandic-web/instrumentation.ts b/apps/scandic-web/instrumentation.ts
index fe6b467ac..5506ed116 100644
--- a/apps/scandic-web/instrumentation.ts
+++ b/apps/scandic-web/instrumentation.ts
@@ -1,4 +1,5 @@
 import * as Sentry from "@sentry/nextjs"
+import { TRPCError } from "@trpc/server"
 
 import { env } from "./env/server"
 
@@ -23,5 +24,18 @@ async function configureSentry() {
     enableLogs: true,
     enableMetrics: true,
     release: env.RELEASE_TAG || undefined,
+    beforeSend(event, hint) {
+      const error = hint.originalException
+
+      // Don't send TRPCErrors with client error codes
+      if (error instanceof TRPCError) {
+        const clientErrorCodes = ["CONFLICT", "NOT_FOUND", "UNAUTHORIZED"]
+        if (clientErrorCodes.includes(error.code)) {
+          return null // Don't send to Sentry
+        }
+      }
+
+      return event
+    },
   })
 }