diff --git a/migrations/0014_fix_properties.sql b/migrations/0014_fix_properties.sql
new file mode 100644
index 0000000..dc74798
--- /dev/null
+++ b/migrations/0014_fix_properties.sql
@@ -0,0 +1,109 @@
+-- ChittyCommand Property Data Corrections
+-- Migration: 0014_fix_properties
+-- Date: 2026-03-24
+-- Fixes wrong PINs, wrong addresses, and wrong properties from 0004/0007.
+-- Authoritative source: project_entity_property_structure.md
+
+BEGIN;
+
+-- ── Fix PINs for existing properties ──────────────────────────
+
+-- Addison: wrong PIN 14-21-307-032-1006 → correct 14-21-111-008-1006
+UPDATE cc_properties SET tax_pin = '14-21-111-008-1006'
+  WHERE address = '541 W Addison St' AND unit = '#3S';
+
+-- Surf 504: wrong PIN 14-28-200-011-1042 → correct 14-28-122-017-1091
+-- Also fix address: 550 → 559 W Surf St per deed
+UPDATE cc_properties
+  SET tax_pin = '14-28-122-017-1091',
+      address = '559 W Surf St',
+      unit = '#C504',
+      property_name = '559 W Surf St #C504',
+      hoa_payee = 'Commodore/Greenbrier Landmark Condo Association',
+      metadata = metadata || '{"pin": "14-28-122-017-1091", "condo_declaration": "26911238"}'::jsonb
+  WHERE address = '550 W Surf St' AND unit = '#504';
+
+-- Backfill Addison metadata
+UPDATE cc_properties
+  SET metadata = metadata || '{"pin": "14-21-111-008-1006", "condo_declaration": "25024798", "condo_association": "Addition Lake Shore West Condominium"}'::jsonb
+  WHERE address = '541 W Addison St' AND unit = '#3S';
+
+-- ── Remove wrong properties from 0007 ────────────────────────
+
+-- "211 E Surf St, Park Forest" was wrong — Surf 211 is actually 550 W Surf St #C211
+DELETE FROM cc_properties WHERE tax_pin = '31-25-301-019-0000';
+
+-- "Clarendon Hills" was wrong — should be 4343 N Clarendon Ave #1610
+DELETE FROM cc_properties WHERE tax_pin = '09-12-307-023-0000';
+
+-- ── Insert correct properties ─────────────────────────────────
+
+-- Surf 211: 550 W Surf St #C211 (Commodore/Greenbriar Landmark)
+INSERT INTO cc_properties (property_name, address, unit, tax_pin, property_type, hoa_payee, metadata)
+VALUES (
+  'Surf 211',
+  '550 W Surf St',
+  '#C211',
+  '14-28-122-017-1180',
+  'condo',
+  'Commodore/Greenbriar Landmark Condo Association',
+  '{"purchase_price": 100000, "purchase_date": "2022-07-01", "pin": "14-28-122-017-1180", "condo_declaration": "26911238", "owner_entity": "ARIBIA LLC - CITY STUDIO"}'::jsonb
+)
+ON CONFLICT (tax_pin) DO NOTHING;
+
+-- Clarendon: 4343 N Clarendon Ave #1610
+INSERT INTO cc_properties (property_name, address, unit, tax_pin, property_type, metadata)
+VALUES (
+  'Clarendon',
+  '4343 N Clarendon Ave',
+  '#1610',
+  '14-16-300-032-1238',
+  'condo',
+  '{"pin": "14-16-300-032-1238", "owner_entity": "ARIBIA LLC - APT ARLENE"}'::jsonb
+)
+ON CONFLICT (tax_pin) DO NOTHING;
+
+-- Medellín: International property held by ARIBIA LLC
+INSERT INTO cc_properties (property_name, address, unit, property_type, metadata)
+VALUES (
+  'Medellín',
+  'Urbanización Plaza De Colores, Carrera 76, Medellín, Colombia',
+  'Apt 53 (215 Int. 1112)',
+  'international',
+  '{"country": "Colombia", "city": "Medellín", "apartment": "215 Int. 1112", "parking": "215 Int. 0226", "owner_entity": "ARIBIA LLC"}'::jsonb
+);
+
+-- ── Fix mortgage account metadata ─────────────────────────────
+
+-- Update the Surf mortgage account to reflect correct address
+UPDATE cc_accounts
+  SET metadata = '{"property": "559 W Surf St #C504"}'::jsonb
+  WHERE source = 'mr_cooper' AND account_name = '550 W Surf Mortgage';
+
+-- ── Fix obligation metadata ───────────────────────────────────
+
+UPDATE cc_obligations
+  SET metadata = metadata || '{"pin": "14-21-111-008-1006"}'::jsonb
+  WHERE category = 'mortgage' AND payee ILIKE '%Addison%';
+
+UPDATE cc_obligations
+  SET metadata = '{"property": "559 W Surf St #C504", "pin": "14-28-122-017-1091"}'::jsonb
+  WHERE category = 'mortgage' AND payee ILIKE '%Surf%';
+
+UPDATE cc_obligations
+  SET metadata = metadata || '{"pin": "14-21-111-008-1006"}'::jsonb
+  WHERE category = 'hoa' AND payee ILIKE '%Addison%';
+
+UPDATE cc_obligations
+  SET metadata = metadata || '{"property": "559 W Surf St #C504", "pin": "14-28-122-017-1091"}'::jsonb
+  WHERE category = 'hoa' AND payee ILIKE '%Commodore%';
+
+UPDATE cc_obligations
+  SET metadata = metadata || '{"pin": "14-21-111-008-1006"}'::jsonb
+  WHERE category = 'property_tax' AND payee ILIKE '%Addison%';
+
+UPDATE cc_obligations
+  SET metadata = '{"property": "559 W Surf St #C504", "pin": "14-28-122-017-1091", "installments": "June + September"}'::jsonb
+  WHERE category = 'property_tax' AND payee ILIKE '%Surf%';
+
+COMMIT;