diff --git a/src/c3nav/mapdata/migrations/0005_geometry_import_tag.py b/src/c3nav/mapdata/migrations/0005_geometry_import_tag.py
new file mode 100644
index 00000000..9e119b05
--- /dev/null
+++ b/src/c3nav/mapdata/migrations/0005_geometry_import_tag.py
@@ -0,0 +1,92 @@
+# Generated by Django 2.1.4 on 2018-12-20 15:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0004_mapupdate_types'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='mapupdate',
+            options={'default_related_name': 'mapupdates', 'get_latest_by': 'datetime', 'ordering': ('datetime',), 'verbose_name': 'Map update', 'verbose_name_plural': 'Map updates'},
+        ),
+        migrations.AddField(
+            model_name='altitudearea',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='altitudemarker',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='area',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='building',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='column',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='door',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='graphnode',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='hole',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='lineobstacle',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='obstacle',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='poi',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='ramp',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='space',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='stair',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+        migrations.AddField(
+            model_name='wifimeasurement',
+            name='import_tag',
+            field=models.CharField(blank=True, max_length=32, null=True, verbose_name='import tag'),
+        ),
+    ]
diff --git a/src/c3nav/mapdata/models/geometry/base.py b/src/c3nav/mapdata/models/geometry/base.py
index 431e7aa5..1131ead3 100644
--- a/src/c3nav/mapdata/models/geometry/base.py
+++ b/src/c3nav/mapdata/models/geometry/base.py
@@ -1,7 +1,9 @@
 import math
 from collections import OrderedDict
 
+from django.db import models
 from django.utils.functional import cached_property
+from django.utils.translation import ugettext_lazy as _
 from shapely.geometry import Point, box, mapping
 from shapely.ops import unary_union
 
@@ -17,6 +19,7 @@ class GeometryMixin(SerializableMixin):
     A map feature with a geometry
     """
     geometry = None
+    import_tag = models.CharField(_('import tag'), null=True, blank=True, max_length=32)
 
     class Meta:
         abstract = True