Buying a house in Lagny-sur-Marne
21,461 inhabitants, Seine-et-Marne (77), Île-de-France.
Median price in Lagny-sur-Marne over five years of DVF: €4,160/m² for houses (531 sales) and €4,000/m² for flats (1,043 sales). That is 66% above the median of the municipalities of Seine-et-Marne. Property tax rate on buildings in 2025: 50.36% (municipality and intercommunality), plus a household waste tax of 6.58%. 22% above the department median (41.39%). Of 4,830 homes in Lagny-sur-Marne with an energy certificate, 555 are rated F or G (11.5%). Home burglaries recorded in 2025: 5.7 per 1,000 homes, against 6.2 in the department and 5.6 in France. Among the municipalities of Seine-et-Marne, Lagny-sur-Marne ranks 13th of 501 for the median house price, 28th of 202 for flat prices, 76th of 507 for the property tax rate, 289th of 432 for the share of homes rated F or G. INSEE code 77243, postcode 77400. Nearest municipality: Gouvernes, 1.7 km away.
Your address in Lagny-sur-Marne
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Lagny-sur-Marne in figures
| Indicator | Lagny-sur-Marne | Seine-et-Marne | France |
|---|---|---|---|
| Population | 21,461 | 1,468,108 | - |
| House, median price | €4,160/m² | €2,991/m² | - |
| Flat, median price | €4,000/m² | €3,538/m² | - |
| Property tax (buildings), 2025 rate | 50.36% | 41.39% (median) | 40.3% (median) |
| Household waste tax (TEOM) | 6.58% | - | - |
| Homes rated F or G | 11.5% | 16.3% (median) | 15.4% (median) |
| Burglaries / 1,000 homes | 5.7 | 6.2 | 5.6 |
| Physical violence outside family / 1,000 | 2 | 2.5 | 3.2 |
| Criminal damage / 1,000 | 8.9 | 6.9 | 7.9 |
| Transfer duties (department) | 5% | 5% | - |
Questions
What is the price per m² in Lagny-sur-Marne?
Median price in Lagny-sur-Marne over five years of DVF: €4,160/m² for houses (531 sales) and €4,000/m² for flats (1,043 sales). That is 66% above the median of the municipalities of Seine-et-Marne.
What is the property tax rate in Lagny-sur-Marne?
Property tax rate on buildings in 2025: 50.36% (municipality and intercommunality), plus a household waste tax of 6.58%. 22% above the department median (41.39%).
Where does Lagny-sur-Marne stand in its department?
Among the municipalities of Seine-et-Marne, Lagny-sur-Marne ranks 13th of 501 for the median house price, 28th of 202 for flat prices, 76th of 507 for the property tax rate, 289th of 432 for the share of homes rated F or G.
How many burglaries in Lagny-sur-Marne?
Home burglaries recorded in 2025: 5.7 per 1,000 homes, against 6.2 in the department and 5.6 in France.
Municipalities near Lagny-sur-Marne
| Municipality | House, median | Property tax | Distance |
|---|---|---|---|
| Gouvernes | €3,858/m² | 49.89% | 1.7 km |
| Conches-sur-Gondoire | €3,661/m² | 62.68% | 1.8 km |
| Saint-Thibault-des-Vignes | €3,816/m² | 53.53% | 2.1 km |
| Guermantes | €3,945/m² | 48.36% | 2.3 km |
| Thorigny-sur-Marne | €3,750/m² | 56.44% | 2.4 km |
| Pomponne | €3,750/m² | 40.2% | 2.6 km |
Read more: every municipality in Seine-et-Marne, the notary fees calculator, what to check before buying.
Sources: INSEE, DVF, REI, SSMSI, ADEME, DGFiP.
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