Frequently asked questions

You cannot object if you own several WOZ objects that are connected to 1 sewer.You pay the owner’s sewage tax for any property that is directly or indirectly connected to the sewer.

Are parts of your property used as a separate whole? Then you will receive a separate tax assessment for each part.

Have you received a sewerage tax assessment, but are you not connected to the sewer system? Then you can submit an objection. This is done the fastest digitally via My RBG.

No. It does not matter how much waste you dispose of. Even if you only rarely dispose of waste, you still have to pay the charge. That fact that waste may be disposed is what matters.

The legal filing period is six weeks of the tax bill date. Do you need more time? You can file a draft objection already. You can send us the actual details later.

Yes. A hearing means you explain your objection by telephone or in person. Do you want a hearing? Please send us a letter or email to ask a hearing. If we grant the objection fully, you will not need a hearing.

We receive the details of persons living on your address from the municipal authorities. If you come to live alone, Then we will automatically edit the details on the tax bill. You do not need to take any action.
Do you live alone, and you have received a tax bill for a household of more than one person? Please send an objection notice via My RBG.

Yes. The quickest way is in digital form via My RBG.

Do you rent a room with its own kitchen, toilet and bathroom/shower? Then the tax bill is charged to you. Do you share facilities with others? Then please send an objection notice via My RBG.

Are you still registered at this address in the municipal database? Then you should not send a notice of objection. We apply the details in the municipal database system.

Are you relocating within the same water control board area? Then you do not need to take any action. Please notify the municipal authorities of the change.
Are you relocating outside the same water control board area? Then please send an objection notice via My RBG. Send documents proving from which date you no longer make use of the home. For example a copy of the termination of your home rental agreement. Have you sold your house? Then send a copy of the key hand-over. Please notify the municipal authorities of the change.

The RBG has not yet received this WOZ value. You can:
pay the tax bill. And then wait until the Regional Tax Group receives the WOZ value from the municipal authorities. You will receive a refund for the excess amount paid.
send a copy of the municipal decision to the RBG. And request us to reduce the value. We are processing your request. The amount you dispute is not due immediately. You can wait until you received the notice. Pay the undisputed amount immediately. If you are overdue with payment, the RBG may charge you a debt collection interest.

The RBG does not receive this value from the municipal authorities. Then you can submit an objection via My RBG. Upload a copy of the municipal decision. The amount you dispute is not due immediately. You can wait until you received the notice.

The RBG handles the WOZ-value for the municipalities of Delft, Schiedam, and Vlaardingen. You can submit objections regarding these WOZ values to the RBG. The quickest way to do this is digitally through My RBG. Alternatively, you can download the Or use our appeal form WOZ and send it back to us. On the WOZ page, you’ll find more information about the WOZ value of your property.

If you wish to contest the WOZ value of your home in a different municipality, you should address your objection directly to that municipality, not the RBG.

Make sure to pay the tax bill in time. If the municaipality adjuste the value, they will inform the RBG. You will receive a refund for the excess amount paid.

The RBG sets the WOZ values for the municipal authorities of Delft, Schiedam and Vlaardingen. Only the person that the tax bill or the WOZ decision is addressed to, can file a notice of objection. Others may send an authorisation form of the relevant person.

This depends on the location of the building.

Owners outside the dyke system benefit from some of the water board’s general tasks . This is why they still pay for some of the water system levy. They receive a 75% discount on the water system levy. If you have not received this discount, you can submit an objection via My RBG.

This is not possible. Everyone benefits from some of the water board’s general tasks .. This is why everyone shares in the cost.

Only if you received a WOZ decision from the RBG. In your notice of objection, explain why you think the WOZ value is too high. You can calculate the maximum rent of your home on the ‘Huurcommissie’ website (the Lease Committee). It shows how a decrease in the WOZ value affects the maximum rent.

You may be exempted for some portions of some taxes. This depends on your diplomatic status. For more information, please contact the RBG at telephone number 088 291 10 00.
For some taxes, no exemption is granted. The municipal authorities or water board perform a service against payment of such taxes. This concerns the waste water treatment levy, the surface water pollution levy, the waste disposal levy, waste collection charges, sewage levy and municipal fees.

Within twelve weeks of the assessment date. This is the legal term for water board taxes. We can extend this period by 6 weeks. All rules are contained in Article 7:10 of the General Administrative Law Act. Do you submit your notice of objection 6 weeks after the assessment or later? You will receive a message within 6 weeks.

Different rules apply to municipal taxes. The RBG must do this before the end of the year. Have you submitted a municipal objection in the last 6 weeks of the year? Then the period is within twelve weeks of the assessment date. Do you submit your notice of objection 6 weeks after the assessment or later? You will receive a message within 6 weeks.