diff --git a/lib/tasks/communities.rake b/lib/tasks/communities.rake
new file mode 100644
index 000000000..ad08e4bd9
--- /dev/null
+++ b/lib/tasks/communities.rake
@@ -0,0 +1,21 @@
+namespace :communities do
+
+  desc "Associate community to proposals and budget investments"
+  task associate_community: :environment do
+
+    Proposal.all.each do |proposal|
+      if proposal.community.blank?
+        community =  Community.create
+        proposal.update(community_id: community.id)
+      end
+    end
+
+    Budget::Investment.all.each do |investment|
+      if investment.community.blank?
+        community =  Community.create
+        investment.update(community_id: community.id)
+      end
+    end
+  end
+
+end
diff --git a/spec/lib/tasks/communities_spec.rb b/spec/lib/tasks/communities_spec.rb
new file mode 100644
index 000000000..20c1af841
--- /dev/null
+++ b/spec/lib/tasks/communities_spec.rb
@@ -0,0 +1,49 @@
+require 'rails_helper'
+require 'rake'
+
+describe 'Communities Rake' do
+
+  describe '#associate_community' do
+
+    before do
+      Rake.application.rake_require "tasks/communities"
+      Rake::Task.define_task(:environment)
+    end
+
+    let :run_rake_task do
+      Rake::Task['communities:associate_community'].reenable
+      Rake.application.invoke_task 'communities:associate_community'
+    end
+
+    context 'Associate community to Proposal' do
+
+      it 'When proposal has not community_id' do
+        proposal = create(:proposal)
+        proposal.update(community_id: nil)
+        expect(proposal.community).to be_nil
+
+        run_rake_task
+        proposal.reload
+
+        expect(proposal.community).to be_present
+      end
+    end
+
+    context 'Associate community to Budget Investment' do
+
+      it 'When budget investment has not community_id' do
+        investment = create(:budget_investment)
+        investment.update(community_id: nil)
+        expect(investment.community).to be_nil
+
+        run_rake_task
+        investment.reload
+
+        expect(investment.community).to be_present
+      end
+      
+    end
+
+  end
+
+end