Yvelines · Île-de-France · 33,813 residents
How much does Trappes spend?
Mayor: Ali Rabeh since March 2026 · 39 town councillors
What the money pays for in Trappes
The 2024 operating expenditure — investment aside — sorted this time by public policy rather than by type of spending.
Trappes spends 26 % more per inhabitant than towns of 20,000 to 50,000 inhabitants.
Allocated to a public policyShare of budget against towns of the same size55.5 M€
“elsewhere”: what towns the same size usually devoteTrappes devotes a larger share of its budgeta smaller share
- General administration44.8M€81 %elsewhere: 30%more than elsewhere (30%)
- Education and training3.4M€6 %elsewhere: 18%less than elsewhere (18%)
- Culture, youth and sports2.6M€5 %elsewhere: 21%less than elsewhere (21%)
- Environment1.5M€3 %elsewhere: 2%same as elsewhere (2%)
- Health and social action1.3M€2 %elsewhere: 12%less than elsewhere (12%)
- Transport997k€2 %elsewhere: 2%same as elsewhere (2%)
- Regional planning and housing762k€1 %elsewhere: 7%less than elsewhere (7%)
- Security and public health63k€0 %elsewhere: 4%less than elsewhere (4%)
- Economic action63k€0 %elsewhere: 1%same as 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.
Spending76.8 M€
Charges de personnel36.7M€48 %Achats et charges externes15.3M€20 %Charges de gestion couranteof which 721 k€ of grants to associations and private bodies2.4M€3 %Charges financières1.2M€2 %Impôts et taxes (charges)1.2M€2 %Revenue77.1 M€
Property tax in Trappes
municipal rate on buildings, set in 2025 · unchanged since 2023
Median for towns of its size band: 41.19%.
In 2024, Trappes collected 19.6 M€ in property and residence taxes, or 25% of its revenue.
What the town builds
invested in 2024 · €602 per inhabitant
Of which 15.4 M€ of equipment. That is +5.1 % 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 · 46.8 M€ in total
Towns of its size: €894 per inhabitant · +26.1 % 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 · 7 contracts
Top supplier: Sepur, 2 M€, nettoiement urbain de la ville de Trappes
All the town’s contracts (210)
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: 2019, 2020, 2021, 2022, 2023, 2024, 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.