diff --git a/app/assets/javascripts/application.js.erb b/app/assets/javascripts/application.js.erb
index 3bc72d8df..14863c610 100644
--- a/app/assets/javascripts/application.js.erb
+++ b/app/assets/javascripts/application.js.erb
@@ -103,9 +103,9 @@ function switchSection(newSection) {
   $("#" + newSection + "_section_link").toggleClass("active_section_link");
 }
 
-function initSearch(region, locationIDs, locationTypeIDs, zoneIDs, machineIDs, cityName, machineGroupId) {
-  if (locationIDs || locationTypeIDs || zoneIDs || machineIDs || cityName || machineGroupId) {
-    var url = '/' + region + '/locations?by_location_id=' + locationIDs + ';by_type_id=' + locationTypeIDs + ';by_zone_id=' + zoneIDs + ';by_machine_id=' + machineIDs + ';by_city_id=' + cityName + ';by_machine_group_id=' + machineGroupId;
+function initSearch(region, locationIDs, locationTypeIDs, zoneIDs, machineIDs, ipdbIDs, cityName, machineGroupId) {
+  if (locationIDs || locationTypeIDs || zoneIDs || machineIDs || ipdbIDs || cityName || machineGroupId) {
+    var url = '/' + region + '/locations?by_location_id=' + locationIDs + ';by_type_id=' + locationTypeIDs + ';by_zone_id=' + zoneIDs + ';by_machine_id=' + machineIDs + ';by_city_id=' + cityName + ';by_machine_group_id=' + machineGroupId + ';by_ipdb_id=' + ipdbIDs;
 
     $('#locations').html(loadingHTML());
     $.get(url, function(data) {
diff --git a/app/controllers/api/v1/locations_controller.rb b/app/controllers/api/v1/locations_controller.rb
index 7e2499533..49c39676d 100644
--- a/app/controllers/api/v1/locations_controller.rb
+++ b/app/controllers/api/v1/locations_controller.rb
@@ -4,7 +4,7 @@ class LocationsController < InheritedResources::Base
       include ActionView::Helpers::NumberHelper
       before_filter :allow_cors
       respond_to :json
-      has_scope :by_location_name, :by_location_id, :by_machine_id, :by_machine_name, :by_city_id, :by_zone_id, :by_operator_id, :by_type_id, :by_machine_group_id, :by_at_least_n_machines_city, :by_at_least_n_machines_zone, :by_at_least_n_machines_type, :region
+      has_scope :by_location_name, :by_location_id, :by_machine_id, :by_machine_name, :by_city_id, :by_zone_id, :by_operator_id, :by_type_id, :by_machine_group_id, :by_at_least_n_machines_city, :by_at_least_n_machines_zone, :by_at_least_n_machines_type, :region, :by_ipdb_id
 
       MAX_MILES_TO_SEARCH_FOR_CLOSEST_LOCATION = 50
 
@@ -44,6 +44,7 @@ def suggest
       param :by_location_name, String, desc: 'Name of location to search for', required: false
       param :by_location_id, Integer, desc: 'Location ID to search for', required: false
       param :by_machine_id, Integer, desc: 'Machine ID to find in locations', required: false
+      param :by_ipdb_id, Integer, desc: 'IPDB ID to find in locations', required: false
       param :by_machine_name, String, desc: 'Find machine name in locations', required: false
       param :by_city_id, String, desc: 'City to search for', required: false
       param :by_machine_group_id, String, desc: 'Machine Group to search for', required: false
@@ -132,7 +133,8 @@ def machine_details
             name: m.name,
             year: m.year,
             manufacturer: m.manufacturer,
-            ipdb_link: m.ipdb_link
+            ipdb_link: m.ipdb_link,
+            ipdb_id: m.ipdb_id
           )
         end
 
diff --git a/app/controllers/locations_controller.rb b/app/controllers/locations_controller.rb
index c22bf6fd1..1e3e91698 100644
--- a/app/controllers/locations_controller.rb
+++ b/app/controllers/locations_controller.rb
@@ -1,6 +1,6 @@
 class LocationsController < InheritedResources::Base
   respond_to :xml, :json, :html, :js, :rss
-  has_scope :by_location_name, :by_location_id, :by_machine_id, :by_machine_name, :by_city_id, :by_machine_group_id, :by_zone_id, :by_operator_id, :by_type_id, :by_at_least_n_machines_city, :by_at_least_n_machines_zone, :by_at_least_n_machines_type, :region
+  has_scope :by_location_name, :by_location_id, :by_ipdb_id, :by_machine_id, :by_machine_name, :by_city_id, :by_machine_group_id, :by_zone_id, :by_operator_id, :by_type_id, :by_at_least_n_machines_city, :by_at_least_n_machines_zone, :by_at_least_n_machines_type, :region
 
   def autocomplete
     render json: @region.locations.select { |l| l.name =~ /#{Regexp.escape params[:term] || ''}/i }.sort_by(&:name).map { |l| { label: l.name, value: l.name, id: l.id } }
diff --git a/app/models/location.rb b/app/models/location.rb
index 2421fde4a..6836221ee 100644
--- a/app/models/location.rb
+++ b/app/models/location.rb
@@ -32,6 +32,11 @@ class Location < ActiveRecord::Base
   scope :by_zone_id, ->(id) { where('zone_id in (?)', id.split('_').map(&:to_i)) }
   scope :by_city_id, ->(city) { where(city: city) }
   scope :by_location_name, ->(name) { where(name: name) }
+  scope :by_ipdb_id, lambda { |id|
+    machines = Machine.where('ipdb_id in (?)', id.split('_').map(&:to_i)).map { |m| m.all_machines_in_machine_group }.flatten
+
+    joins(:location_machine_xrefs).where('locations.id = location_machine_xrefs.location_id and location_machine_xrefs.machine_id in (?)', machines.map { |m| m.id })
+  }
   scope :by_machine_id, lambda { |id|
     machines = Machine.where('id in (?)', id.split('_').map(&:to_i)).map { |m| m.all_machines_in_machine_group }.flatten
 
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 431ff4b92..c652bdb0f 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -23,7 +23,7 @@
     = favicon_link_tag 'favicon.ico'
     = favicon_link_tag 'apple-touch-icon.png', rel: 'apple-touch-icon', type: 'image/png'
 
-  %body{ :onload => defined?(@region) ? "setSearchSections(#{@region.available_search_sections}); switchSection('#{(@region.default_search_type && !@region.default_search_type.empty?) ? @region.default_search_type : 'location'}'); initSearch('#{@region.name.downcase}', '#{params['by_location_id']}', '#{params['by_location_type_id']}', '#{params['by_zone_id']}', '#{params['by_machine_id']}','#{params['by_city_id']}', '#{params['by_machine_group_id']}');" : nil }
+  %body{ :onload => defined?(@region) ? "setSearchSections(#{@region.available_search_sections}); switchSection('#{(@region.default_search_type && !@region.default_search_type.empty?) ? @region.default_search_type : 'location'}'); initSearch('#{@region.name.downcase}', '#{params['by_location_id']}', '#{params['by_location_type_id']}', '#{params['by_zone_id']}', '#{params['by_machine_id']}','#{params['by_ipdb_id']}','#{params['by_city_id']}', '#{params['by_machine_group_id']}');" : nil }
     #container
       #page
         = render :partial => 'pages/header'
diff --git a/db/migrate/20150928221835_add_ipdb_id_to_machines.rb b/db/migrate/20150928221835_add_ipdb_id_to_machines.rb
new file mode 100644
index 000000000..d455ede23
--- /dev/null
+++ b/db/migrate/20150928221835_add_ipdb_id_to_machines.rb
@@ -0,0 +1,5 @@
+class AddIpdbIdToMachines < ActiveRecord::Migration
+  def change
+    add_column :machines, :ipdb_id, :integer
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 578fb0c39..a0415ccef 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: 20150926235940) do
+ActiveRecord::Schema.define(version: 20150928221835) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -130,6 +130,7 @@
     t.integer  "year"
     t.string   "manufacturer"
     t.integer  "machine_group_id"
+    t.integer  "ipdb_id"
   end
 
   create_table "operators", force: true do |t|
diff --git a/spec/features/locations_controller_spec.rb b/spec/features/locations_controller_spec.rb
index cf7545b44..2e0cbd5b7 100644
--- a/spec/features/locations_controller_spec.rb
+++ b/spec/features/locations_controller_spec.rb
@@ -93,7 +93,7 @@ def handle_js_confirm
       @type = FactoryGirl.create(:location_type, name: 'Bar')
       @zone = FactoryGirl.create(:zone, region: @region, name: 'DT')
       @location = FactoryGirl.create(:location, region: @region, city: 'Portland', name: 'Cleo', zone: @zone, location_type: @type)
-      @machine = FactoryGirl.create(:machine, name: 'Barb')
+      @machine = FactoryGirl.create(:machine, name: 'Barb', ipdb_id: 777)
       FactoryGirl.create(:location_machine_xref, location: @location, machine: @machine)
 
       FactoryGirl.create(:location, region: @region, name: 'Sass', city: 'Beaverton')
@@ -174,6 +174,13 @@ def handle_js_confirm
       expect(page).to_not have_content('Sass')
     end
 
+    it 'by_ipdb_id' do
+      visit '/portland/?by_ipdb_id=' + @machine.ipdb_id.to_s
+
+      expect(page).to have_content('Cleo')
+      expect(page).to_not have_content('Sass')
+    end
+
     it 'by_machine_id' do
       visit '/portland/?by_machine_id=' + @machine.id.to_s
 
diff --git a/spec/requests/api/v1/locations_controller_spec.rb b/spec/requests/api/v1/locations_controller_spec.rb
index 2c9c0b155..b7ac26fc5 100644
--- a/spec/requests/api/v1/locations_controller_spec.rb
+++ b/spec/requests/api/v1/locations_controller_spec.rb
@@ -80,6 +80,16 @@
       expect(response.body).to include('777')
       expect(response.body).to include('foo bar')
     end
+
+    it 'respects by_ipdb_id filter' do
+      lmx = FactoryGirl.create(:location_machine_xref, location: @location, machine: FactoryGirl.create(:machine, id: 777, name: 'Cleo', ipdb_id: 999))
+      FactoryGirl.create(:machine_condition, location_machine_xref_id: lmx.id, comment: 'foo bar')
+      get "/api/v1/region/#{@region.name}/locations.json?by_ipdb_id=999"
+
+      expect(response.body).to include('Satchmo')
+      expect(response.body).to include('777')
+      expect(response.body).to include('foo bar')
+    end
   end
 
   describe '#update' do
@@ -218,8 +228,8 @@
     end
 
     it 'displays details of machines at location' do
-      FactoryGirl.create(:location_machine_xref, location: @location, machine: FactoryGirl.create(:machine, id: 123, name: 'Cleo', year: 1980, manufacturer: 'Stern', ipdb_link: 'http://www.foo.com'))
-      FactoryGirl.create(:location_machine_xref, location: @location, machine: FactoryGirl.create(:machine, id: 456, name: 'Sass', year: 1960, manufacturer: 'Bally', ipdb_link: 'http://www.bar.com'))
+      FactoryGirl.create(:location_machine_xref, location: @location, machine: FactoryGirl.create(:machine, id: 123, name: 'Cleo', year: 1980, manufacturer: 'Stern', ipdb_link: 'http://www.foo.com', ipdb_id: nil))
+      FactoryGirl.create(:location_machine_xref, location: @location, machine: FactoryGirl.create(:machine, id: 456, name: 'Sass', year: 1960, manufacturer: 'Bally', ipdb_link: 'http://www.bar.com', ipdb_id: 123))
 
       get '/api/v1/locations/' + @location.id.to_s + '/machine_details.json'
       expect(response).to be_success
@@ -231,12 +241,14 @@
       expect(machines[0]['year']).to eq(1980)
       expect(machines[0]['manufacturer']).to eq('Stern')
       expect(machines[0]['ipdb_link']).to eq('http://www.foo.com')
+      expect(machines[0]['ipdb_id']).to be_nil
 
       expect(machines[1]['id']).to eq(456)
       expect(machines[1]['name']).to eq('Sass')
       expect(machines[1]['year']).to eq(1960)
       expect(machines[1]['manufacturer']).to eq('Bally')
       expect(machines[1]['ipdb_link']).to eq('http://www.bar.com')
+      expect(machines[1]['ipdb_id']).to eq(123)
     end
   end
 end