diff --git a/app/models/poll/recount.rb b/app/models/poll/recount.rb
new file mode 100644
index 000000000..97a909d1f
--- /dev/null
+++ b/app/models/poll/recount.rb
@@ -0,0 +1,36 @@
+class Poll::Recount < ActiveRecord::Base
+
+  VALID_ORIGINS = %w{ web booth letter }
+
+  belongs_to :author, -> { with_hidden }, class_name: 'User', foreign_key: 'author_id'
+  belongs_to :booth_assignment
+  belongs_to :officer_assignment
+
+  validates :author, presence: true
+  validates :origin, inclusion: {in: VALID_ORIGINS}
+
+  scope :web,    -> { where(origin: 'web') }
+  scope :booth,  -> { where(origin: 'booth') }
+  scope :letter, -> { where(origin: 'letter') }
+
+  scope :by_author, ->(author_id) { where(author_id: author_id) }
+
+  before_save :update_logs
+
+  def update_logs
+    amounts_changed = false
+
+    [:white, :null, :total].each do |amount|
+      next unless send("#{amount}_amount_changed?") && send("#{amount}_amount_was").present?
+      self["#{amount}_amount_log"] += ":#{send("#{amount}_amount_was").to_s}"
+      amounts_changed = true
+    end
+
+    update_officer_author if amounts_changed
+  end
+
+  def update_officer_author
+      self.officer_assignment_id_log += ":#{officer_assignment_id_was.to_s}"
+      self.author_id_log += ":#{author_id_was.to_s}"
+  end
+end
diff --git a/db/migrate/20171002122312_create_poll_recount.rb b/db/migrate/20171002122312_create_poll_recount.rb
new file mode 100644
index 000000000..807f1c84e
--- /dev/null
+++ b/db/migrate/20171002122312_create_poll_recount.rb
@@ -0,0 +1,24 @@
+class CreatePollRecount < ActiveRecord::Migration
+  def change
+    create_table :poll_recounts do |t|
+      t.integer :author_id
+      t.string  :origin
+      t.date    :date
+      t.integer :booth_assignment_id
+      t.integer :officer_assignment_id
+      t.text    :officer_assignment_id_log,       default: ""
+      t.text    :author_id_log,                   default: ""
+      t.integer :white_amount
+      t.text    :white_amount_log,                default: ""
+      t.integer :null_amount
+      t.text    :null_amount_log,                 default: ""
+      t.integer :total_amount
+      t.text    :total_amount_log,                default: ""
+    end
+
+    add_index :poll_recounts, :booth_assignment_id
+    add_index :poll_recounts, :officer_assignment_id
+    add_foreign_key :poll_recounts, :poll_booth_assignments,   column: :booth_assignment_id
+    add_foreign_key :poll_recounts, :poll_officer_assignments, column: :officer_assignment_id
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 500f03540..e859a487f 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170927110953) do
+ActiveRecord::Schema.define(version: 20171002122312) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -690,6 +690,25 @@ ActiveRecord::Schema.define(version: 20170927110953) do
   add_index "poll_questions", ["proposal_id"], name: "index_poll_questions_on_proposal_id", using: :btree
   add_index "poll_questions", ["tsv"], name: "index_poll_questions_on_tsv", using: :gin
 
+  create_table "poll_recounts", force: :cascade do |t|
+    t.integer "author_id"
+    t.string  "origin"
+    t.date    "date"
+    t.integer "booth_assignment_id"
+    t.integer "officer_assignment_id"
+    t.text    "officer_assignment_id_log", default: ""
+    t.text    "author_id_log",             default: ""
+    t.integer "white_amount"
+    t.text    "white_amount_log",          default: ""
+    t.integer "null_amount"
+    t.text    "null_amount_log",           default: ""
+    t.integer "total_amount"
+    t.text    "total_amount_log",          default: ""
+  end
+
+  add_index "poll_recounts", ["booth_assignment_id"], name: "index_poll_recounts_on_booth_assignment_id", using: :btree
+  add_index "poll_recounts", ["officer_assignment_id"], name: "index_poll_recounts_on_officer_assignment_id", using: :btree
+
   create_table "poll_shifts", force: :cascade do |t|
     t.integer  "booth_id"
     t.integer  "officer_id"
@@ -1126,6 +1145,8 @@ ActiveRecord::Schema.define(version: 20170927110953) do
   add_foreign_key "poll_questions", "polls"
   add_foreign_key "poll_questions", "proposals"
   add_foreign_key "poll_questions", "users", column: "author_id"
+  add_foreign_key "poll_recounts", "poll_booth_assignments", column: "booth_assignment_id"
+  add_foreign_key "poll_recounts", "poll_officer_assignments", column: "officer_assignment_id"
   add_foreign_key "poll_voters", "polls"
   add_foreign_key "poll_white_results", "poll_booth_assignments", column: "booth_assignment_id"
   add_foreign_key "poll_white_results", "poll_officer_assignments", column: "officer_assignment_id"
diff --git a/spec/factories.rb b/spec/factories.rb
index b0a287aea..30159f85a 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -569,6 +569,11 @@ FactoryGirl.define do
     origin { 'web' }
   end
 
+  factory :poll_recount, class: 'Poll::Recount' do
+    association :author, factory: :user
+    origin { 'web' }
+  end
+
   factory :officing_residence, class: 'Officing::Residence' do
     user
     association :officer, factory: :poll_officer
diff --git a/spec/models/poll/recount_spec.rb b/spec/models/poll/recount_spec.rb
new file mode 100644
index 000000000..1ca0b41eb
--- /dev/null
+++ b/spec/models/poll/recount_spec.rb
@@ -0,0 +1,102 @@
+require 'rails_helper'
+
+describe Poll::Recount do
+
+  describe "logging changes" do
+    let(:poll_recount) { create(:poll_recount) }
+
+    it "should update white_amount_log if white_amount changes" do
+      poll_recount.white_amount = 33
+
+      expect(poll_recount.white_amount_log).to eq("")
+
+      poll_recount.white_amount = 33
+      poll_recount.save
+      poll_recount.white_amount = 32
+      poll_recount.save
+      poll_recount.white_amount = 34
+      poll_recount.save
+
+      expect(poll_recount.white_amount_log).to eq(":33:32")
+    end
+
+    it "should update null_amount_log if null_amount changes" do
+      poll_recount.null_amount = 33
+
+      expect(poll_recount.null_amount_log).to eq("")
+
+      poll_recount.null_amount = 33
+      poll_recount.save
+      poll_recount.null_amount = 32
+      poll_recount.save
+      poll_recount.null_amount = 34
+      poll_recount.save
+
+      expect(poll_recount.null_amount_log).to eq(":33:32")
+    end
+
+    it "should update total_amount_log if total_amount changes" do
+      poll_recount.total_amount = 33
+
+      expect(poll_recount.total_amount_log).to eq("")
+
+      poll_recount.total_amount = 33
+      poll_recount.save
+      poll_recount.total_amount = 32
+      poll_recount.save
+      poll_recount.total_amount = 34
+      poll_recount.save
+
+      expect(poll_recount.total_amount_log).to eq(":33:32")
+    end
+
+    it "should update officer_assignment_id_log if amount changes" do
+      poll_recount.white_amount = 33
+
+      expect(poll_recount.white_amount_log).to eq("")
+      expect(poll_recount.officer_assignment_id_log).to eq("")
+
+      poll_recount.white_amount = 33
+      poll_recount.officer_assignment = create(:poll_officer_assignment, id: 101)
+      poll_recount.save
+
+      poll_recount.white_amount = 32
+      poll_recount.officer_assignment = create(:poll_officer_assignment, id: 102)
+      poll_recount.save
+
+      poll_recount.white_amount = 34
+      poll_recount.officer_assignment = create(:poll_officer_assignment, id: 103)
+      poll_recount.save
+
+      expect(poll_recount.white_amount_log).to eq(":33:32")
+      expect(poll_recount.officer_assignment_id_log).to eq(":101:102")
+    end
+
+    it "should update author_id if amount changes" do
+      poll_recount.white_amount = 33
+
+      expect(poll_recount.white_amount_log).to eq("")
+      expect(poll_recount.author_id_log).to eq("")
+
+      author_A = create(:poll_officer).user
+      author_B = create(:poll_officer).user
+      author_C = create(:poll_officer).user
+
+      poll_recount.white_amount = 33
+      poll_recount.author_id = author_A.id
+      poll_recount.save!
+
+      poll_recount.white_amount = 32
+      poll_recount.author_id = author_B.id
+      poll_recount.save!
+
+      poll_recount.white_amount = 34
+      poll_recount.author_id = author_C.id
+      poll_recount.save!
+
+      expect(poll_recount.white_amount_log).to eq(":33:32")
+      expect(poll_recount.author_id_log).to eq(":#{author_A.id}:#{author_B.id}")
+    end
+  end
+
+end