Yvelines · Île-de-France · 3,859 residents
How much does Mézières-sur-Seine spend?
Mayor: Franck Fontaine since March 2026 · 27 town councillors
What the money pays for in Mézières-sur-Seine
The 2024 operating expenditure — investment aside — sorted this time by public policy rather than by type of spending.
Mézières-sur-Seine spends 38 % more per inhabitant than towns of 3,500 to 5,000 inhabitants.
Allocated to a public policyShare of budget against towns of the same size4.7 M€
“elsewhere”: what towns the same size usually devoteMézières-sur-Seine devotes a larger share of its budgeta smaller share
- General administration4.1M€87 %elsewhere: 42%more than elsewhere (42%)
- Education and training253k€5 %elsewhere: 18%less than elsewhere (18%)
- Health and social action185k€4 %elsewhere: 3%more than elsewhere (3%)
- Culture, youth and sports106k€2 %elsewhere: 12%less than elsewhere (12%)
- Security and public health22k€0 %elsewhere: 3%less than elsewhere (3%)
- Transport19k€0 %elsewhere: 3%less than elsewhere (3%)
- Regional planning and housing15k€0 %elsewhere: 10%less than elsewhere (10%)
- Environment971€0 %elsewhere: 1%less than elsewhere (1%)
Shares are computed on the allocated amount, excluding transfers. “Elsewhere”: the median share of towns the same size — half devote more, half less. Source: DGFiP accounting balances.
Spending and revenue
What the town pays for: staff, purchases, debt. 2019–2024 trend on each line.
Spending7.1 M€
Charges de personnel2.6M€37 %Achats et charges externes1.3M€19 %Charges de gestion couranteof which 96 k€ of grants to associations and private bodies566k€8 %Charges financières99k€1 %Impôts et taxes (charges)77k€1 %Revenue6.1 M€
Property tax in Mézières-sur-Seine
municipal rate on buildings, set in 2025 · unchanged since 2023
Median for towns of its size band: 39.29%.
In 2024, Mézières-sur-Seine collected 2.8 M€ in property and residence taxes, or 45% of its revenue.
What the town builds
invested in 2024 · €647 per inhabitant
Of which 771 k€ of equipment. That is +63.4 % compared with 2023.
Investment section of the town’s accounts. The rest is funded by the savings made on day-to-day operations.
Debt
per inhabitant at end of 2024 · 2.3 M€ in total
Towns of its size: €691 per inhabitant · −19.5 % per inhabitant since 2018
Outstanding debt and gross savings: OFGL, main budget. The number of years is the debt-repayment capacity, debt divided by gross savings.
What the town buys
in public contracts awarded in 2026 · 1 contracts
Top supplier: BNP Paribas Lease Group, 138 k€, location et maintenance de photocopieurs
Marchés de plus de 40 000 € HT déclarés à la notification (DECP) : montants des contrats, pas les paiements. Les plus petits marchés ne sont pas publiés ; les montants manifestement erronés sont écartés. Years published by the town: 2025, 2026.
Compare with another town
Per inhabitant, 2024 accounts, OFGL. Towns of the same département, by size. A town above or below is not better or worse run. Property-tax rate: municipal share only, excluding the inter-municipal body and additional levies, source REI DGFiP.