Val-d'Oise · Île-de-France · 18,168 residents
How much does Soisy-sous-Montmorency spend?
Mayor: Nicolas Naudet since March 2026 · 33 town councillors
What the money pays for in Soisy-sous-Montmorency
The 2024 operating expenditure — investment aside — sorted this time by public policy rather than by type of spending.
Soisy-sous-Montmorency spends 1 % more per inhabitant than towns of 10,000 to 20,000 inhabitants.
Allocated to a public policyShare of budget against towns of the same size21.2 M€
“elsewhere”: what towns the same size usually devoteSoisy-sous-Montmorency devotes a larger share of its budgeta smaller share
- General administration5.2M€24 %elsewhere: 32%less than elsewhere (32%)
- Culture, youth and sports4.9M€23 %elsewhere: 19%more than elsewhere (19%)
- Education and training4.1M€19 %elsewhere: 18%more than elsewhere (18%)
- Regional planning and housing2.6M€12 %elsewhere: 8%more than elsewhere (8%)
- Health and social action2.5M€12 %elsewhere: 9%more than elsewhere (9%)
- Transport1M€5 %elsewhere: 3%more than elsewhere (3%)
- Security and public health538k€3 %elsewhere: 4%less than elsewhere (4%)
- Economic action209k€1 %elsewhere: 0%more than elsewhere (0%)
- Environment2k€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.
Spending42 M€
Charges de personnel12.9M€31 %Achats et charges externes5.9M€14 %Charges de gestion couranteof which 720 k€ of grants to associations and private bodies1.8M€4 %Impôts et taxes (charges)527k€1 %Charges financières355k€1 %Revenue35.3 M€
Property tax in Soisy-sous-Montmorency
municipal rate on buildings, set in 2025 · down since 2023
Median for towns of its size band: 41.8%.
In 2024, Soisy-sous-Montmorency collected 15.1 M€ in property and residence taxes, or 43% of its revenue.
What the town builds
invested in 2024 · €1,125 per inhabitant
Of which 19.1 M€ of equipment. That is +129.8 % 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 · 10.8 M€ in total
Towns of its size: €778 per inhabitant · −39.4 % 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 · 85 contracts
Top supplier: Entreprise de Travaux Fayolle et Fils, 3.9 M€, lot 2 : aménagement des trottoirs er réfection de la voirie
All the town’s contracts (377)
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: 2020, 2021, 2023, 2024, 2025, 2026. Years set aside, amounts out of scale: 2022.
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.