diff --git a/app/models/failed_census_call.rb b/app/models/failed_census_call.rb
new file mode 100644
index 000000000..80cad8918
--- /dev/null
+++ b/app/models/failed_census_call.rb
@@ -0,0 +1,3 @@
+class FailedCensusCall < ActiveRecord::Base
+  belongs_to :user
+end
diff --git a/app/models/verification/residence.rb b/app/models/verification/residence.rb
index 1e2d7778c..e65ecf584 100644
--- a/app/models/verification/residence.rb
+++ b/app/models/verification/residence.rb
@@ -42,8 +42,19 @@ class Verification::Residence
     unless residency.valid?
       errors.add(:residence_in_madrid, false)
       user.update(residence_verification_tries: user.residence_verification_tries += 1)
+      store_failed_attempt
     end
     self.date_of_birth = string_to_date(date_of_birth)
   end
 
+  def store_failed_attempt
+    FailedCensusCall.create({
+      user: user,
+      document_number: document_number,
+      document_type:   document_type,
+      date_of_birth:   date_of_birth,
+      postal_code:     postal_code
+    })
+  end
+
 end
diff --git a/db/migrate/20150909211203_create_failed_census_calls.rb b/db/migrate/20150909211203_create_failed_census_calls.rb
new file mode 100644
index 000000000..0850f68ea
--- /dev/null
+++ b/db/migrate/20150909211203_create_failed_census_calls.rb
@@ -0,0 +1,13 @@
+class CreateFailedCensusCalls < ActiveRecord::Migration
+  def change
+    create_table :failed_census_calls do |t|
+      t.belongs_to :user, index: true, foreign_key: true
+      t.string :document_number
+      t.string :document_type
+      t.date :date_of_birth
+      t.string :postal_code
+
+      t.timestamps null: false
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index a9ca5d4b2..bf4f9efc8 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -128,6 +128,18 @@ ActiveRecord::Schema.define(version: 20150910092713) do
 
   add_index "delayed_jobs", ["priority", "run_at"], name: "delayed_jobs_priority", using: :btree
 
+  create_table "failed_census_calls", force: :cascade do |t|
+    t.integer  "user_id"
+    t.string   "document_number"
+    t.string   "document_type"
+    t.date     "date_of_birth"
+    t.string   "postal_code"
+    t.datetime "created_at",      null: false
+    t.datetime "updated_at",      null: false
+  end
+
+  add_index "failed_census_calls", ["user_id"], name: "index_failed_census_calls_on_user_id", using: :btree
+
   create_table "flags", force: :cascade do |t|
     t.integer  "user_id"
     t.string   "flaggable_type"
@@ -301,6 +313,7 @@ ActiveRecord::Schema.define(version: 20150910092713) do
   add_index "votes", ["voter_id", "voter_type", "vote_scope"], name: "index_votes_on_voter_id_and_voter_type_and_vote_scope", using: :btree
 
   add_foreign_key "administrators", "users"
+  add_foreign_key "failed_census_calls", "users"
   add_foreign_key "flags", "users"
   add_foreign_key "identities", "users"
   add_foreign_key "moderators", "users"
diff --git a/spec/factories.rb b/spec/factories.rb
index f779f2e32..211520aec 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -28,6 +28,10 @@ FactoryGirl.define do
     date_of_birth    Date.new(1980, 12, 31)
     postal_code      "28013"
     terms_of_service '1'
+
+    trait :invalid do
+      postal_code "12345"
+    end
   end
 
   factory :verification_sms, class: Verification::Sms do
diff --git a/spec/models/residence_spec.rb b/spec/models/residence_spec.rb
index 14892ea5d..177e8f20d 100644
--- a/spec/models/residence_spec.rb
+++ b/spec/models/residence_spec.rb
@@ -76,4 +76,20 @@ describe Verification::Residence do
     end
   end
 
+  describe "Failed census call" do
+    it "stores failed census API calls" do
+      residence = build(:verification_residence, :invalid)
+      residence.save
+
+      expect(FailedCensusCall.count).to eq(1)
+      expect(FailedCensusCall.first).to have_attributes({
+        user_id:         residence.user.id,
+        document_number: "12345678Z",
+        document_type:   "1",
+        date_of_birth:   Date.new(1980, 12, 31),
+        postal_code:     "12345"
+      })
+    end
+  end
+
 end
\ No newline at end of file