diff --git a/rattail_harvest/db/alembic/versions/5505c0e60d28_add_project_deleted.py b/rattail_harvest/db/alembic/versions/5505c0e60d28_add_project_deleted.py
new file mode 100644
index 0000000..042663d
--- /dev/null
+++ b/rattail_harvest/db/alembic/versions/5505c0e60d28_add_project_deleted.py
@@ -0,0 +1,33 @@
+# -*- coding: utf-8; -*-
+"""add project.deleted
+
+Revision ID: 5505c0e60d28
+Revises: d59ce24c2f9f
+Create Date: 2022-01-30 12:08:04.338229
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '5505c0e60d28'
+down_revision = 'd59ce24c2f9f'
+branch_labels = None
+depends_on = None
+
+from alembic import op
+import sqlalchemy as sa
+import rattail.db.types
+
+
+
+def upgrade():
+
+    # harvest_project
+    op.add_column('harvest_project', sa.Column('deleted', sa.Boolean(), nullable=True))
+    op.add_column('harvest_project_version', sa.Column('deleted', sa.Boolean(), autoincrement=False, nullable=True))
+
+
+def downgrade():
+
+    # harvest_project
+    op.drop_column('harvest_project_version', 'deleted')
+    op.drop_column('harvest_project', 'deleted')
diff --git a/rattail_harvest/db/model/harvest.py b/rattail_harvest/db/model/harvest.py
index d7a098c..4d0e80e 100644
--- a/rattail_harvest/db/model/harvest.py
+++ b/rattail_harvest/db/model/harvest.py
@@ -190,6 +190,10 @@ class HarvestProject(model.Base):
 
     updated_at = sa.Column(sa.DateTime(), nullable=True)
 
+    deleted = sa.Column(sa.Boolean(), nullable=True, doc="""
+    Flag indicating the record has been deleted in Harvest.
+    """)
+
     def __str__(self):
         return self.name or ''
 
diff --git a/rattail_harvest/importing/harvest.py b/rattail_harvest/importing/harvest.py
index c686e84..cde1e1c 100644
--- a/rattail_harvest/importing/harvest.py
+++ b/rattail_harvest/importing/harvest.py
@@ -28,6 +28,8 @@ import datetime
 import decimal
 import logging
 
+import sqlalchemy as sa
+
 from rattail import importing
 from rattail.util import OrderedDict
 from rattail_harvest import importing as rattail_harvest_importing
@@ -126,6 +128,22 @@ class HarvestProjectImporter(FromHarvest, rattail_harvest_importing.model.Harves
     Import project data from Harvest
     """
 
+    @property
+    def supported_fields(self):
+        fields = list(super(HarvestProjectImporter, self).supported_fields)
+
+        # this is for local tracking only; is not in harvest
+        fields.remove('deleted')
+
+        return fields
+
+    def cache_query(self):
+        model = self.model
+        return self.session.query(model.HarvestProject)\
+                           .filter(sa.or_(
+                               model.HarvestProject.deleted == False,
+                               model.HarvestProject.deleted == None))
+
     def get_host_objects(self):
         return self.webapi.get_projects()['projects']
 
@@ -168,6 +186,13 @@ class HarvestProjectImporter(FromHarvest, rattail_harvest_importing.model.Harves
 
         return data
 
+    def can_delete_object(self, project, data):
+        return not project.deleted
+
+    def delete_object(self, project):
+        project.deleted = True
+        return True
+
 
 class HarvestTaskImporter(FromHarvest, rattail_harvest_importing.model.HarvestTaskImporter):
     """