diff --git a/eslint-factory/src/rules/no-duplicate-constant-values.test.ts b/eslint-factory/src/rules/no-duplicate-constant-values.test.ts
index 4c3f8bd6b28..d4469943e03 100644
--- a/eslint-factory/src/rules/no-duplicate-constant-values.test.ts
+++ b/eslint-factory/src/rules/no-duplicate-constant-values.test.ts
@@ -27,6 +27,8 @@ describe("no-duplicate-constant-values", () => {
         `const NOTIFY_TIMEOUT_MS = 10000; const KEEPALIVE_PING_INTERVAL_MS = 10000;`,
         `const A_PREFIX_LENGTH = 2; const B_PREFIX_LENGTH = 2;`,
         `const DEFAULT_HTTP_TIMEOUT_MS = 15000; const TOOL_CALL_TIMEOUT_BUFFER_MS = 15000; const NOTIFY_TIMEOUT_MS = 10000; const KEEPALIVE_PING_INTERVAL_MS = 10000;`,
+        `const FIRST_ENABLED = true; const SECOND_ENABLED = true;`,
+        `const FIRST_ENABLED = false; const SECOND_ENABLED = false;`,
       ],
       invalid: [],
     });
@@ -70,6 +72,21 @@ describe("no-duplicate-constant-values", () => {
     });
   });
 
+  it("requires at least three matching boolean constants before reporting duplicates", () => {
+    ruleTester.run("no-duplicate-constant-values", noDuplicateConstantValuesRule, {
+      valid: [`const FIRST_ENABLED = true; const SECOND_ENABLED = true;`],
+      invalid: [
+        {
+          code: `const FIRST_ENABLED = true; const SECOND_ENABLED = true; const THIRD_ENABLED = true;`,
+          errors: [
+            { messageId: "duplicateConstantValue", data: { name: "SECOND_ENABLED", originalName: "FIRST_ENABLED", value: "true" } },
+            { messageId: "duplicateConstantValue", data: { name: "THIRD_ENABLED", originalName: "FIRST_ENABLED", value: "true" } },
+          ],
+        },
+      ],
+    });
+  });
+
   it("reports every duplicate after the first declaration", () => {
     ruleTester.run("no-duplicate-constant-values", noDuplicateConstantValuesRule, {
       valid: [],
diff --git a/eslint-factory/src/rules/no-duplicate-constant-values.ts b/eslint-factory/src/rules/no-duplicate-constant-values.ts
index 3fa4907054c..80ed9ad97a7 100644
--- a/eslint-factory/src/rules/no-duplicate-constant-values.ts
+++ b/eslint-factory/src/rules/no-duplicate-constant-values.ts
@@ -8,6 +8,10 @@ interface ConstantDeclaration {
 }
 
 const MIN_NUMERIC_DUPLICATE_GROUP_SIZE = 3;
+// Booleans only have 2 possible values module-wide, an even smaller space than "small numbers",
+// so unrelated constants coincidentally sharing `true`/`false` are at least as likely as the
+// numeric case above. Apply the same minimum-group-size guard to avoid false positives.
+const MIN_BOOLEAN_DUPLICATE_GROUP_SIZE = 3;
 
 function getStaticValueKey(node: TSESTree.Expression): string | null {
   if (node.type === AST_NODE_TYPES.Literal) {
@@ -79,7 +83,8 @@ export const noDuplicateConstantValuesRule = createRule({
       },
       "Program:exit"() {
         for (const [valueKey, declarations] of constantsByValue) {
-          const shouldReportDuplicates = declarations.length > 1 && (!valueKey.startsWith("number:") || declarations.length >= MIN_NUMERIC_DUPLICATE_GROUP_SIZE);
+          const minGroupSize = valueKey.startsWith("number:") ? MIN_NUMERIC_DUPLICATE_GROUP_SIZE : valueKey.startsWith("boolean:") ? MIN_BOOLEAN_DUPLICATE_GROUP_SIZE : 2;
+          const shouldReportDuplicates = declarations.length >= minGroupSize;
           if (!shouldReportDuplicates) continue;
 
           const original = declarations[0];