Municipal tax · Hainaut
Municipal tax in Mons in 2026: 8%
Updated on
Since 1 November 2026, withholding tax on pay has been calculated differently (Royal Decree of 27 September 2026). The calculations on this page still follow the previous rules: for pay received from 1 November, withholding tax and net pay may differ. Update in progress.
In Mons, the municipal tax is 8% of the tax you owe the State for tax year 2026 (2025 income). For a single white-collar worker on €3,500 gross a month, it comes to about €648 a year on your 2026 income, assuming the rate is unchanged in 2027, €36 more than the Belgian average (7.55%).
The ranking of Mons in Wallonia will be published once Indexo has the rate for the 212 missing municipalities. All neighbouring municipalities whose rate Indexo knows are more taxed than Mons: the least taxed is La Louvière, at 8.8%.
How much does the municipal tax in Mons cost you?
Mons is a municipality in the district of Mons, in the province of Hainaut. Its municipal council sets the municipal tax at 8%: for every €100.00 of tax you owe the State, you pay €8.00 to the municipality.
| Gross per month | Tax owed to the State | Tax in Mons (8%) | Difference from the average |
|---|---|---|---|
| €2,000 | €2,424 | €194 | + €11 |
| €2,500 | €4,596 | €368 | + €21 |
| €3,500 | €8,101 | €648 | + €36 |
| €5,000 | €15,689 | €1,255 | + €71 |
Your payslip does not change: withholding tax (bedrijfsvoorheffing / précompte professionnel) counts 7% municipal tax everywhere. In Mons, the final tax will be about €81 a year higher on €3,500 gross.
Where does the rate for Mons come from?
The rate is unchanged from 2025. Source of the rate: City of Mons, ‘Mons Mag’ No. 133 (February 2026): ‘nous n’avons jamais touché au taux communal de l’impôt sur les personnes physiques (8 %)’; 2026 budget: ‘l’impôt des personnes physiques ne bouge pas’.
In Wallonia, the Region recommends that municipalities do not exceed 8.8%: Mons is 0.8 percentage points below this maximum. The rate for tax year 2027 (2026 income) has not yet been published by FPS Finance; several municipalities have already voted their rate up to 2031.
Mons and its neighbouring municipalities
- Rate not found
- from 8 to 8.4%
- 8.5% and above
- Mons
Municipal boundaries: Statbel.
| Municipality | Rate | Tax on €3,500 gross | Difference from Mons |
|---|---|---|---|
| Mons | 8% | €648 | — |
| La Louvière | 8.8% | €713 | + €65 per year |
| Binche | rate not found | — | — |
| Estinnes | rate not found | — | — |
| Frameries | rate not found | — | — |
| Jurbise | rate not found | — | — |
| Le Roeulx | rate not found | — | — |
| Quaregnon | rate not found | — | — |
| Quévy | rate not found | — | — |
| Saint-Ghislain | rate not found | — | — |
| Soignies | rate not found | — | — |
All neighbouring municipalities whose rate Indexo knows are more taxed than Mons: the least taxed is La Louvière, at 8.8%. If you are moving, the What if I moved? simulator adds the family allowances and tax reductions of each Region.
Nearby municipalities with a known rate
| Municipality | Distance | Rate | Difference on €3,500 gross |
|---|---|---|---|
| Morlanwelz | 19 km | 8.8% | + €65 per year |
| Quiévrain | 20 km | 8.8% | + €65 per year |
| Chièvres | 20 km | 8.8% | + €65 per year |
| Bernissart | 21 km | 8.5% | + €41 per year |
| Anderlues | 21 km | 8.8% | + €65 per year |
Municipalities in the district of Mons
| Municipality | Rate | Tax on €3,500 gross | Difference from Mons |
|---|---|---|---|
| Mons | 8% | €648 | — |
| Quiévrain | 8.8% | €713 | + €65 per year |
| Boussu | rate not found | — | — |
| Colfontaine | rate not found | — | — |
| Dour | rate not found | — | — |
| Frameries | rate not found | — | — |
| Hensies | rate not found | — | — |
| Honnelles | rate not found | — | — |
| Jurbise | rate not found | — | — |
| Lens | rate not found | — | — |
| Quaregnon | rate not found | — | — |
| Quévy | rate not found | — | — |
| Saint-Ghislain | rate not found | — | — |
Calculate your municipal tax in Mons
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Frequently asked questions
What is the municipal tax rate in Mons in 2026?
8% of the tax you owe the State, for tax year 2026 (2025 income). The rate is unchanged from 2025.
How much is the municipal tax in Mons on a salary of €3,500 gross?
About €648 a year for a single white-collar worker, €36 more than the Belgian average (7.55%). On €2,500 gross, about €368 a year. Calculated on your 2026 income, assuming the rate is unchanged in 2027.
Does Mons apply the maximum rate?
No: 8%, i.e. 0.8 percentage points below the 8.8% maximum that the Walloon Region recommends to municipalities.
What next?
- All municipal taxesThe map and the rates of the 565 municipalities.
- What if I moved?Municipal tax, family allowances and tax reductions.
- Household tax simulatorYour full tax, including municipal tax.
- Tax refund or tax to pay?What your tax assessment notice will say.
Sources
Parameters in force on 1 October 2026. Each parameter links to its source, the official one where it exists; a secondary source is flagged as such.
- Mons Mag n° 133 (February 2026): ‘nous n’avons jamais touché au taux communal de l’impôt sur les personnes physiques (8 %)’; 2026 budget: ‘l’impôt des personnes physiques ne bouge pas’, City of Mons.
- L’impôt des personnes physiques (IPP): recommended maximum rate of 8.8%, Walloon average of 7.9% in 2022, Union des Villes et Communes de Wallonie.
- Gemeentebelasting in België: hoe werkt het? Average rate of 7.55% across the 565 municipalities for tax year 2026, most common rate 8% (126 municipalities), Astro Tax (secondary source).
- Taux d’imposition, revenus 2025 et 2026, FPS Finance.