diff --git a/docs/commands.md b/docs/commands.md
index 85acc01..74a88ed 100644
--- a/docs/commands.md
+++ b/docs/commands.md
@@ -1358,6 +1358,14 @@ records that are not prospects. Bulk archive ends mail and keeps list membership
 it closes open opportunities unless `--no-cascade` is supplied. A positional
 `prospect_...` ID continues to use the single-prospect operation.
 
+### International Owner
+
+Property search, count and export accept `international_owner` in the `--body` filters array. Use `true` for foreign mailing addresses, `false` to exclude them, or omit the filter for Any. The source is `MailingForeignAddressInd`: Canada (`C`) and other foreign addresses (`Y`) are international; null values and US territories are excluded.
+
+```bash
+dm properties count --body '{"filters":[{"filter_id":"international_owner","value":true}]}'
+```
+
 ## Archive a mail campaign
 
 End the campaign first with `dm mail campaigns end <id> --yes`. Archiving an active, paused, ready or draft campaign returns `409 CAMPAIGN_NOT_ENDED` without changing it.
diff --git a/src/index.ts b/src/index.ts
index 6e08adb..14ea383 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -654,6 +654,12 @@ Examples:
 // Properties commands
 // ============================================================================
 
+const internationalOwnerHelp = `
+International Owner: use international_owner in --body filters.
+  true: foreign mailing addresses (Canada and other countries).
+  false: only addresses without a foreign indicator. Omit for Any.
+  Source: MailingForeignAddressInd; US territories are excluded.`;
+
 const propertiesCmd = program
   .command('properties')
   .alias('prop')
@@ -679,11 +685,13 @@ propertiesCmd
     `
 Examples:
   dm properties search --body '{"locations":[{"type":"zip_code","code":"78704"}]}'
+  dm properties search --body '{"filters":[{"filter_id":"international_owner","value":true}]}' --estimate-cost
   dm properties search -f search-query.json --estimate-cost
   dm properties search -f query.json --json             Estimate automatically
   dm properties search -f query.json --json --yes       Run after approval
   cat query.json | dm properties search --json`
   )
+  .addHelpText('after', internationalOwnerHelp)
   .action(async (options) => {
     await propertiesSearch(options);
   });
@@ -706,8 +714,10 @@ propertiesCmd
     `
 Examples:
   dm properties count --body '{"locations":[{"type":"zip_code","code":"78704"}]}'
-  dm properties count -f query.json --json`
+  dm properties count -f query.json --json
+  dm properties count --body '{"filters":[{"filter_id":"international_owner","value":true}]}'`
   )
+  .addHelpText('after', internationalOwnerHelp)
   .action(async (options) => {
     await propertiesCount(options);
   });
@@ -791,8 +801,10 @@ Examples:
   dm properties export -f query.json --json
   dm properties export -f query.json --require-phone --scrub-dnc
   dm properties export --body '{"locations":[{"type":"state","code":"TX"}]}' --mobile-only
-  dm properties export -f query.json --anchor property --contact-audience none`
+  dm properties export -f query.json --anchor property --contact-audience none
+  dm properties export --body '{"filters":[{"filter_id":"international_owner","value":false}]}'`
   )
+  .addHelpText('after', internationalOwnerHelp)
   .action(async (options) => {
     await propertiesExport(options);
   });
diff --git a/tests/commands/publicApiExtensions.test.ts b/tests/commands/publicApiExtensions.test.ts
index b5c8497..d68bbcc 100644
--- a/tests/commands/publicApiExtensions.test.ts
+++ b/tests/commands/publicApiExtensions.test.ts
@@ -33,7 +33,7 @@ vi.mock('../../src/lib/output.js', () => ({
 
 import { printJson, printKeyValue, printTable } from '../../src/lib/output.js';
 import { peopleGet, peopleIds, peopleSearch, peopleExport } from '../../src/commands/people.js';
-import { propertiesGet, propertiesIds, propertiesSearch, propertiesExport } from '../../src/commands/properties.js';
+import { propertiesGet, propertiesIds, propertiesSearch, propertiesExport, propertiesCount } from '../../src/commands/properties.js';
 import {
   enrichAddress,
   enrichApn,
@@ -620,3 +620,11 @@ describe.each([
     });
   });
 });
+
+
+it.each([true, false])('passes International Owner %s to property counts without changing its meaning', async (value) => {
+  const filters = [{ filter_id: "international_owner", value }];
+  mockParseRequestBody.mockResolvedValue({ filters });
+  await propertiesCount({ body: JSON.stringify({ filters }), json: true });
+  expect(mockApiRequest).toHaveBeenCalledWith("/properties/search/count", expect.objectContaining({ method: "POST", body: expect.objectContaining({ filters }) }));
+});