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Gressey town hall

Gressey invested less per resident in 2025 than 99% of compared communes

Valéry Bertrand has been mayor of Gressey since March 15, 2026, elected by the 15 members of the municipal council. At the March 2026 municipal elections, GRESSEY : RACINES ET RENOUVEAU won 12 of the 15 seats in the first round on March 15, 2026, with 56.6% of the votes. Gressey is part of the Communauté de communes du Pays Houdanais (CCPH).

Next municipal elections

March 2032

Councils are elected for six years; the council elects the mayor.

Register to vote ↗

Throughout this page, the median in Yvelines and the France median are the median of compared communes (those with an overall grade), each figure its own median. Gressey has 533 residents; every compared commune has 2,507 or more, so read its place among them with that in mind.

Mayor
Valéry Bertrand
since March 15, 2026
Council members
15
including 1 deputy mayor
Turnout, March 2026
73%
first round · France median 57%
Debt per resident
€732
end of 2025 · France median €748
In brief

What stands out about Gressey’s town hall

Won in the first round

GRESSEY : RACINES ET RENOUVEAU won 56.6% of the votes on March 15, 2026, more than half, so there was no second round; 2 lists stood. It took 12 of the 15 seats: half the seats as the list ahead, and its share of the rest. The other lists share the remaining 3. Who’s in charge ↓

Turnout above most communes

73.2% of registered voters in Gressey voted on March 15, 2026: higher than in 99% of compared French communes. The median of compared communes in Yvelines was 56.2%; across France, 57.4%. 2026 elections ↓

Little investment

Gressey invested €63 per resident (buildings, roads, equipment), 9% of its spending: lower than in 99% of compared French communes (France median €403). Investment swings from year to year with projects. The commune’s money ↓

Results as the Interior ministry published them; accounts from the DGFiP via OFGL. Nothing here is graded.

Who’s in charge

The council the voters chose

Seats as the March 2026 results gave them, one dot a seat.

Municipal council · 15 seatsGressey municipal councilGRESSEY : RACINES ET RENOUVEAU: 12 of 15
  • GRESSEY : RACINES ET RENOUVEAU12
  • Gressey Ensemble Autrement3

As elected in the first round, March 15, 2026.

The list that comes first gets half the seats; the rest are shared in proportion among the lists with 5% or more, the winner included. So the winning list always has a majority.

Source: Interior ministry, 2026 municipal election results (March 15 and 22), subject to corrections and appeals.

Who runs Gressey

4 authorities share the work

The commune is the tier closest to residents; the intercommunality, the département and the région do the rest.

Commune · the town hallMairie de Gressey

Births, marriages and deaths, the electoral roll, nursery and primary schools, local roads, planning permission, the municipal police, and what else the council takes on.

Mayor: Valéry Bertrand · 15 councilors

Intercommunality · communauté de communesCommunauté de communes du Pays Houdanais (CCPH)

The services its communes share: usually waste collection, economic development and planning documents; often water and local buses.

DépartementConseil départemental · Yvelines

Social aid (RSA, care for older and disabled people, child protection), collèges, the département’s roads, and funding for fire and rescue.

RégionConseil régional · Île-de-France

Lycées, regional trains (TER) and coaches, economic development and job training.

Who to ask

Birth, marriage and death certificatesMairie de Gressey
Registering to voteMairie de Gressey
Nursery and primary schoolsMairie de Gressey
Building permits (filed at the town hall)Mairie de Gressey
Household waste (usually)Communauté de communes du Pays Houdanais (CCPH)
Collèges (ages 11 to 15)Conseil départemental · Yvelines
RSA, care for older people, child protectionConseil départemental · Yvelines
Lycées (ages 15 to 18)Conseil régional · Île-de-France
Regional trains (TER)Conseil régional · Île-de-France
ID cards and passportsAny town hall that takes applications, by appointment

The usual split of powers (service-public.fr); an intercommunality’s exact remit varies, so check its website for waste, water and buses.

Membership: COG 2026 (INSEE); intercommunality type: BANATIC, January 2025. What each tier does: service-public.fr.

Who represents Gressey

From the mayor to the intercommunality

The officials as the Interior ministry’s register lists them, and the council by list.

  1. 1
    Mayorsince March 15, 2026
    Valéry Bertrand
  2. 2
    Deputy mayors1 adjoint, elected by the council
    Laurence Mithouard
  3. 3
    Gressey municipal council15 seats by list
    GRESSEY : RACINES ET RENOUVEAU 12 · Gressey Ensemble Autrement 3

Source: Interior ministry, national register of elected officials (RNE), August 11, 2026.

The council

The 15 members of the Gressey municipal council

The mayor and 1 deputy mayor first, then the councilors.

NameOfficeSince
Valéry BertrandMaireMarch 15, 2026
Laurence Mithouard1er adjoint au MaireMarch 15, 2026
Show the full council (15)
NameOfficeSince
Valéry BertrandMaireMarch 15, 2026
Laurence Mithouard1er adjoint au MaireMarch 15, 2026
Luc BeauquesneConseiller municipalMarch 15, 2026
Yannick BroutinConseiller municipalMarch 15, 2026
Céline DesneigesConseiller municipalMarch 15, 2026
Alain DessiaumeConseiller municipalMarch 15, 2026
Nicolas GiraudConseiller municipalMarch 15, 2026
Anne GuerifConseiller municipalMarch 15, 2026
Valérie Le FollConseiller municipalMarch 15, 2026
Arnaud LefebvreConseiller municipalMarch 15, 2026
William MenardConseiller municipalMarch 15, 2026
Marie-Pierre NanceyConseiller municipalMarch 15, 2026
Charles TassinConseiller municipalMarch 15, 2026
Carole VassoutConseiller municipalMarch 15, 2026
Annabel ZoghlamiConseiller municipalMarch 15, 2026

Names and offices as the Interior ministry’s national register of elected officials (RNE) published them on August 11, 2026, written as it writes them. Public role only. Later resignations and replacements aren’t shown.

The council: same source as Who represents Gressey, above.

2026 elections

How Gressey voted in March 2026

2 lists stood; one won more than half the votes in the first round.

Municipal council of Gresseyfirst round · March 15, 2026
GRESSEY : RACINES ET RENOUVEAU12 seats56.6%
Gressey Ensemble Autrement3 seats43.5%

336 votes cast for a list

Turnout · first round
73%

344 of 470 registered voters in Gressey voted.

5 blank and 3 spoilt ballots, not counted in the shares.

Turnout, first round · March 15, 2026

GresseyMedian in YvelinesFrance median
Voted73.2%
0%50%100%

Shares are of the votes cast for a list, leaving out blank and spoilt ballots. Lists in vote order; the colors only tell the lists apart.

2026 elections: same source as Who’s in charge, above.

The commune’s money

Gressey spends €709 per resident a year

The commune’s consolidated accounts: main and annexed budgets, transfers between them removed.

Spending
€709
per resident, 2025
€393K in all
Running costs
€646
per resident, 2025
€358K in all
Investment
€63
per resident, 2025
€35K in all
Debt
€732
per resident, end of 2025
€406K in all

Per resident, 2025 · against compared communes

GresseyMedian in YvelinesFrance median
Spending€709
Running costs€646
Investment€63
Debt€732
€0€1,000€2,000

Spending and debt per resident, 2018 to 2025

€0€500€1,000€1,500€2,00020182019202020212022202320242025Spending 2018 : €627Spending 2019 : €592Spending 2020 : €632Spending 2021 : €601Spending 2022 : €725Spending 2023 : €867Spending 2024 : €872Spending 2025 : €709Debt 2018 : €1,147Debt 2019 : €1,050Debt 2020 : €943Debt 2021 : €835Debt 2022 : €895Debt 2023 : €843Debt 2024 : €784Debt 2025 : €732DebtSpending

Gressey owed €406K at the end of 2025, €732 per resident, lower than in 51% of compared French communes, equal to 113% of a year’s running costs.

Show year by year
YearSpendingInvestmentDebtDebt in all
2025€709€63€732€406K
2024€872€60€784€436K
2023€867€110€843€470K
2022€725€132€895€499K
2021€601€67€835€466K
2020€632€42€943€527K
2019€592€63€1,050€587K
2018€627€72€1,147€645K

Source: OFGL, consolidated commune accounts 2018–2025 (DGFiP); 2025 provisional.

Towns its size

The 14th highest debt per resident of 41 communes its size

The 40 compared communes nearest in population, debt per resident at the end of 2025.

Gressey €732
WattenMers-les-Bains
€0€1,700€3,400

Lowest: Watten, €1. Highest: Mers-les-Bains, €3,228.

Get involved

Have a say in Gressey

Register to vote

French citizens register online or at the town hall; citizens of other EU countries can vote in municipal elections too.

service-public.fr ↗
Check your registration

See where you’re registered and which polling station is yours.

service-public.fr ↗
Go to a council meeting

Council meetings are public; the agenda and minutes are posted at the town hall and usually on its website.

service-public.fr ↗
Contact the town hall

Opening hours, address and phone number of the mairie of Gressey in the public services directory.

lannuaire.service-public.fr ↗
Stand for the council

Who can stand, how lists are formed and the deadlines, from the Interior ministry.

interieur.gouv.fr ↗
How to read these numbers

What this data can and can’t tell you

  • Mayors and councilors. From the Interior ministry’s national register of elected officials (RNE) as published on August 11, 2026: name, office and start dates, nothing else. The register counts a mayor as a councilor too; the page counts each person once. It isn’t a live roll: resignations and replacements after that date aren’t shown, and no party is inferred for any official.
  • How the council is elected. Since March 2026 every commune elects its council from lists (a 2025 law extended list voting to communes under 1,000). A list with more than half the votes in the first round wins; otherwise lists with 10% or more can go on to a second round, where the list ahead wins. It gets half the seats, and the rest are shared in proportion among lists with 5% or more. The council then elects the mayor and the deputy mayors.
  • The label beside a list. The political nuance the prefecture gave the list for the ministry’s results (Divers droite, Union de la gauche…), shown as published. It isn’t the list’s own description; many lists, most in small communes, have none.
  • The commune’s money. OFGL’s consolidated accounts from the DGFiP, 2018 to 2025; 2025 is provisional. Spending and investment leave out loan repayments; running costs are part of spending. Debt is what was owed at the end of the year.
  • Per resident. Divided by the DGFiP’s population for that year (population totale, which counts some people, such as boarding students, in two communes), so it can differ from the census figure elsewhere on the site.
  • The medians. Beside the town’s figure, the median of compared communes in its département and in France (those with an overall grade). A commune’s spending follows its size and its role: one that runs a pool or a theater for the villages around it spends more per resident.

Questions about Gressey’s town hall

Who is the mayor of Gressey?

Valéry Bertrand, mayor since March 15, 2026, according to the Interior ministry’s register of elected officials (August 11, 2026).

How many councilors does Gressey have?

The Gressey municipal council has 15 members, the mayor and 1 deputy mayors included.

Who won the 2026 municipal elections in Gressey?

GRESSEY : RACINES ET RENOUVEAU, in the first round on March 15, 2026, with 56.6% of the votes; it holds 12 of the 15 seats.

What was the turnout in Gressey?

73.2% of registered voters voted in the first round on March 15, 2026; the median of compared French communes was 57.4%.

When are the next municipal elections in Gressey?

Councils are elected for six years, so the next general municipal elections are due in March 2032. A council can be re-elected sooner if it loses too many members.

How much debt does Gressey have?

€406K at the end of 2025, €732 per resident; the median of compared French communes was €748.

Which intercommunality is Gressey part of?

Gressey is part of the Communauté de communes du Pays Houdanais (CCPH), which runs the services its communes share.

Sources: Interior ministry RNE, August 11, 2026 · Interior ministry, municipal results 2026 · OFGL consolidated commune accounts 2018–2025 · INSEE COG 2026 and BANATIC (January 2025) for the intercommunality. Under the Licence Ouverte / Open Licence 2.0 (Etalab).

Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.