Fosses grades D overall: better than 10% of compared French towns, and #53 of 73 in Val-d'Oise. Its weakest subject is cost of living (D−): at the median price, a 70 m² home costs 9.2 times the median annual income per consumption unit in the intercommunality. Its strongest is walkability (A): 93% of residents live within 800 m of a bakery, and 35% of working residents walk, cycle or take public transport to work.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas. The overall grade uses the other six subjects.
Each subject compares Fosses with other French towns of 2,500 or more, ordered by how far its rank is from the middle. American and UK towns are graded separately.
INSEE, census 2023 · Val-d'Oise median and France median: the median of compared communes
HousingCost of living D−
The median sale price of homes in Fosses is €2,933/m²
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
That is the middle of 261 sales of houses and apartments in Fosses from July 2023 to June 2026, against €2,430/m² for the median of compared French towns and €3,266/m² for the median of compared towns in Val-d'Oise.
€2,933/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
Fosses€2,933/m²
Median of towns€2,430/m²
Val-d'Oise median€3,266/m²
By type
Median per m²
Sales
Houses
€2,929/m²
236
€18.02/m²
estimated advertised apartment rent a month, charges included (€15.24 to €21.32/m² a month)
9.2
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€17.08/m²
estimated advertised house rent a month, charges included
€22,440
median annual income per consumption unit, Communauté d'agglomération Roissy Pays de France
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Work & commuteJobs & income C−
Incomes in Fosses come to a median €25,610 a year per consumption unit, against €28,800 in Val-d'Oise’s towns and €25,970 in compared French towns
At the census, 35.0% went to work on foot, by bike or by public transport, close to Val-d'Oise’s towns (38.0%) and above compared French towns (13.4%). Fosses has 1,850 jobs for 4,750 working residents, 0.4 per worker.
35%walk, cycle or take transit
How working residents got to work · census 2023
Driving62%
Public transport30%
On foot5%
Motorbike or scooter1%
Bicycle1%
1,850
jobs based in Fosses, 0.4 per working resident
10.1%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€25,610
median annual income per consumption unit, 2023 · median of compared French towns €25,970
2%
worked without traveling (at or from home)
A
Walkability: better than 93% of compared French towns
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Safety
Fosses has more crime per resident than 70% of compared French towns
Police and gendarmerie recorded 280 offenses in the graded categories in Fosses in 2025. For armed robbery, this figure isn’t published when it’s small (five or fewer in at least one of the last three years); the index uses the département’s average instead, 0.6% of the index here.
10.9recorded violent incidents per 1,000 residents a yearCSafety Grade
Recorded by type · 2025
Criminal damage80
Other physical violence47
Family violence46
Theft from vehicles43
Vehicle theft27
Sexual violence19
Burglary18
Drug use70
Fraud68
Theft without violence51
Not in the gradeTheft without violence, drug use and fraud are shown for information but left out of the Safety Grade, which counts violence plus burglaries, vehicle thefts, thefts from vehicles and criminal damage per resident.
10.9
recorded violent incidents per 1,000 residents a year, 2023–2025 average
15.2
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
280
offenses recorded in the graded categories in 2025
0.6%
of the index rests on the département’s average, used where small counts aren’t published
Source: SSMSI (Interior Ministry), recorded crime by commune, 2023–2025 · Licence Ouverte
History
1 historic monument, 1 classé
France has no History Grade yet: this card describes, it doesn’t grade.
The Culture ministry lists 1 historic monument in Fosses: 1 classé (France’s highest heritage protection) and 0 inscrit (the second level). 1.1% of its homes were built before 1919, against 7.4% in the median compared French town.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
HealthHealth B−
Fosses’ death rate, adjusted for age and care homes, is lower than in 54% of compared French towns
Care access and life expectancy are shown for context, not graded.
From 2016 to 2025, 508 residents of Fosses died, against 586 expected from France’s death rates at each age: 13% fewer. The adjustment lowers most towns’ figures, so the comparison is what counts: the median of compared French towns is 12% below expected. The care-home adjustment is a TownRatings modeling step, not an official statistic.
−13%deaths against expected, after care homesB−Health Grade
Deaths per 100 expected · 2016–2025
Raw87
Adjusted87
Median town88
Expected100
4
GPs in Fosses · 2 GP consultations a year per resident within reach (APL)
7.4 mi
to the nearest emergency department, Ch Ghpso Senlis
7.4 mi
to the nearest maternity unit, Ch Ghpso Senlis
85.9 · 81.1
years of life expectancy at birth, women · men, Val-d'Oise, 2025 (provisional) · France 85.9 · 80.3
People: INSEE, census 2023. Miles: center to center.
Questions about Fosses
Is Fosses safe?
It grades C for safety, #42 of 73 in Val-d'Oise. In 2025 police and gendarmerie recorded 18 burglaries and 80 acts of criminal damage.
Are schools in Fosses good?
They grade C−, better than 22% of compared French towns and #9 of 76 in Val-d'Oise. 90% of 208 candidates passed the bac at Lycée Charles Baudelaire in 2025, at the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.
Is Fosses expensive to live in?
Estimated advertised apartment rents are €18.02/m² a month, charges included. Incomes are lower than in most compared French towns, so Fosses grades D− for cost of living.
About Fosses
Commune in Val-d'Oise, Île-de-France
Fosses is a commune of 10,570 people in the Communauté d'agglomération Roissy Pays de France. TownRatings compares communes, France’s local unit: each has its own mayor and its own statistics. Its area takes in the town and the countryside around it.
Built from INSEE’s 2026 official geography (COG) and IGN Admin Express boundaries
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.