diff --git a/src/commands/event/view.ts b/src/commands/event/view.ts
index f04af33c..5c7c0e7f 100644
--- a/src/commands/event/view.ts
+++ b/src/commands/event/view.ts
@@ -93,8 +93,11 @@ export function parsePositionalArgs(args: string[]): {
   return { eventId: second, targetArg: first };
 }
 
-/** Resolved target type for internal use */
-type ResolvedEventTarget = {
+/**
+ * Resolved target type for event commands.
+ * @internal Exported for testing
+ */
+export type ResolvedEventTarget = {
   org: string;
   project: string;
   orgDisplay: string;
@@ -104,8 +107,19 @@ type ResolvedEventTarget = {
 
 /**
  * Resolve target from a project search result.
+ *
+ * Searches for a project by slug across all accessible organizations.
+ * Throws if no project found or if multiple projects found in different orgs.
+ *
+ * @param projectSlug - Project slug to search for
+ * @param eventId - Event ID (used in error messages)
+ * @returns Resolved target with org and project info
+ * @throws {ContextError} If no project found
+ * @throws {ValidationError} If project exists in multiple organizations
+ *
+ * @internal Exported for testing
  */
-async function resolveFromProjectSearch(
+export async function resolveFromProjectSearch(
   projectSlug: string,
   eventId: string
 ): Promise<ResolvedEventTarget> {
diff --git a/test/commands/event/view.test.ts b/test/commands/event/view.test.ts
index d86e49c4..2ce6a362 100644
--- a/test/commands/event/view.test.ts
+++ b/test/commands/event/view.test.ts
@@ -1,12 +1,19 @@
 /**
  * Event View Command Tests
  *
- * Tests for positional argument parsing in src/commands/event/view.ts
+ * Tests for positional argument parsing and project resolution
+ * in src/commands/event/view.ts
  */
 
-import { describe, expect, test } from "bun:test";
-import { parsePositionalArgs } from "../../../src/commands/event/view.js";
-import { ContextError } from "../../../src/lib/errors.js";
+import { afterEach, beforeEach, describe, expect, spyOn, test } from "bun:test";
+import {
+  parsePositionalArgs,
+  resolveFromProjectSearch,
+} from "../../../src/commands/event/view.js";
+import type { ProjectWithOrg } from "../../../src/lib/api-client.js";
+// biome-ignore lint/performance/noNamespaceImport: needed for spyOn mocking
+import * as apiClient from "../../../src/lib/api-client.js";
+import { ContextError, ValidationError } from "../../../src/lib/errors.js";
 
 describe("parsePositionalArgs", () => {
   describe("single argument (event ID only)", () => {
@@ -85,3 +92,135 @@ describe("parsePositionalArgs", () => {
     });
   });
 });
+
+describe("resolveFromProjectSearch", () => {
+  let findProjectsBySlugSpy: ReturnType<typeof spyOn>;
+
+  beforeEach(() => {
+    findProjectsBySlugSpy = spyOn(apiClient, "findProjectsBySlug");
+  });
+
+  afterEach(() => {
+    findProjectsBySlugSpy.mockRestore();
+  });
+
+  describe("no projects found", () => {
+    test("throws ContextError when project not found", async () => {
+      findProjectsBySlugSpy.mockResolvedValue([]);
+
+      await expect(
+        resolveFromProjectSearch("my-project", "event-123")
+      ).rejects.toThrow(ContextError);
+    });
+
+    test("includes project name in error message", async () => {
+      findProjectsBySlugSpy.mockResolvedValue([]);
+
+      try {
+        await resolveFromProjectSearch("frontend", "event-123");
+        expect.unreachable("Should have thrown");
+      } catch (error) {
+        expect(error).toBeInstanceOf(ContextError);
+        expect((error as ContextError).message).toContain('Project "frontend"');
+        expect((error as ContextError).message).toContain(
+          "Check that you have access"
+        );
+      }
+    });
+  });
+
+  describe("multiple projects found", () => {
+    test("throws ValidationError when project exists in multiple orgs", async () => {
+      findProjectsBySlugSpy.mockResolvedValue([
+        { slug: "frontend", orgSlug: "org-a", id: "1", name: "Frontend" },
+        { slug: "frontend", orgSlug: "org-b", id: "2", name: "Frontend" },
+      ] as ProjectWithOrg[]);
+
+      await expect(
+        resolveFromProjectSearch("frontend", "event-123")
+      ).rejects.toThrow(ValidationError);
+    });
+
+    test("includes all orgs in error message", async () => {
+      findProjectsBySlugSpy.mockResolvedValue([
+        { slug: "frontend", orgSlug: "acme-corp", id: "1", name: "Frontend" },
+        { slug: "frontend", orgSlug: "beta-inc", id: "2", name: "Frontend" },
+      ] as ProjectWithOrg[]);
+
+      try {
+        await resolveFromProjectSearch("frontend", "event-456");
+        expect.unreachable("Should have thrown");
+      } catch (error) {
+        expect(error).toBeInstanceOf(ValidationError);
+        const message = (error as ValidationError).message;
+        expect(message).toContain("exists in multiple organizations");
+        expect(message).toContain("acme-corp/frontend");
+        expect(message).toContain("beta-inc/frontend");
+        expect(message).toContain("event-456"); // Event ID in example
+      }
+    });
+
+    test("includes usage example in error message", async () => {
+      findProjectsBySlugSpy.mockResolvedValue([
+        { slug: "api", orgSlug: "org-1", id: "1", name: "API" },
+        { slug: "api", orgSlug: "org-2", id: "2", name: "API" },
+        { slug: "api", orgSlug: "org-3", id: "3", name: "API" },
+      ] as ProjectWithOrg[]);
+
+      try {
+        await resolveFromProjectSearch("api", "abc123");
+        expect.unreachable("Should have thrown");
+      } catch (error) {
+        expect(error).toBeInstanceOf(ValidationError);
+        const message = (error as ValidationError).message;
+        expect(message).toContain(
+          "Example: sentry event view <org>/api abc123"
+        );
+      }
+    });
+  });
+
+  describe("single project found", () => {
+    test("returns resolved target for single match", async () => {
+      findProjectsBySlugSpy.mockResolvedValue([
+        { slug: "backend", orgSlug: "my-company", id: "42", name: "Backend" },
+      ] as ProjectWithOrg[]);
+
+      const result = await resolveFromProjectSearch("backend", "event-xyz");
+
+      expect(result).toEqual({
+        org: "my-company",
+        project: "backend",
+        orgDisplay: "my-company",
+        projectDisplay: "backend",
+      });
+    });
+
+    test("uses orgSlug from project result", async () => {
+      findProjectsBySlugSpy.mockResolvedValue([
+        {
+          slug: "mobile-app",
+          orgSlug: "acme-industries",
+          id: "100",
+          name: "Mobile App",
+        },
+      ] as ProjectWithOrg[]);
+
+      const result = await resolveFromProjectSearch("mobile-app", "evt-001");
+
+      expect(result.org).toBe("acme-industries");
+      expect(result.orgDisplay).toBe("acme-industries");
+    });
+
+    test("preserves project slug in result", async () => {
+      findProjectsBySlugSpy.mockResolvedValue([
+        { slug: "web-frontend", orgSlug: "org", id: "1", name: "Web Frontend" },
+      ] as ProjectWithOrg[]);
+
+      const result = await resolveFromProjectSearch("web-frontend", "e123");
+
+      expect(result.project).toBe("web-frontend");
+      expect(result.projectDisplay).toBe("web-frontend");
+    });
+  });
+});