diff --git a/golem_family/models/golem_family.py b/golem_family/models/golem_family.py
index 4573112..611c56a 100644
--- a/golem_family/models/golem_family.py
+++ b/golem_family/models/golem_family.py
@@ -149,6 +149,7 @@ class GolemFamily(models.Model):
         'golem.partner.area', index=True, auto_join=True, string='Area',
         help="Area, quarter... for statistics and activity price."
     )
+    area_from_street = fields.Boolean(store=False, default=False)
 
     @api.depends('member_ids')
     def _compute_count(self):
@@ -166,6 +167,33 @@ class GolemFamily(models.Model):
                                'zip': family.member_ids[0].zip,
                                'city': family.member_ids[0].city})
 
+    @api.onchange('street')
+    def onchange_street(self):
+        """ Area auto assignement """
+        for family in self:
+            mstreet = family.street.strip() if family.street else False
+            if mstreet and not family.area_id:
+                street_id = self.env['golem.partner.area.street'].search(
+                    [('name', 'ilike', mstreet)], limit=1
+                )
+                if street_id:
+
+                    family.area_id = street_id.area_id
+                    member.area_from_street = True
+    @api.constrains('street')
+    def save_street(self):
+        """ Save street if no exist """
+        for family in self:
+            if family.street and not family.area_from_street:
+                mstreet = family.street.strip()
+                street_id = self.env['golem.partner.area.street'].search(
+                    [('name', 'ilike', mstreet)]
+                )
+                if not street_id:
+                    self.env['golem.partner.area.street'].create(
+                        {'name': mstreet, 'area_id': family.area_id.id}
+                    )
+
 class GolemFamilyRole(models.Model):
     """ GOLEM Family Role """
     _name = 'golem.family.role'