{"code": "78238", "name": "Flins-sur-Seine", "department": "78", "postcode": "78410", "population": 2447, "data_status": "complete", "prices": {"appartement": {"year": 2026, "sale_count": 5, "median_price_m2": 2500}, "maison": {"year": 2026, "sale_count": 25, "median_price_m2": 3173}}, "prices_period": "janv.–juin 2026", "data_through": "2026-06-30", "price_series": [{"year": 2021, "period": "2021", "type": "Maison", "median_price_m2": 3074, "sale_count": 85}, {"year": 2022, "period": "2022", "type": "Appartement", "median_price_m2": 5073, "sale_count": 6}, {"year": 2022, "period": "2022", "type": "Maison", "median_price_m2": 2206, "sale_count": 47}, {"year": 2023, "period": "2023", "type": "Appartement", "median_price_m2": 3217, "sale_count": 6}, {"year": 2023, "period": "2023", "type": "Maison", "median_price_m2": 3306, "sale_count": 60}, {"year": 2024, "period": "2024", "type": "Appartement", "median_price_m2": 2599, "sale_count": 12}, {"year": 2024, "period": "2024", "type": "Maison", "median_price_m2": 2958, "sale_count": 25}, {"year": 2025, "period": "2025", "type": "Appartement", "median_price_m2": 3233, "sale_count": 8}, {"year": 2025, "period": "2025", "type": "Maison", "median_price_m2": 3284, "sale_count": 40}, {"year": 2026, "period": "janv.–juin 2026", "type": "Appartement", "median_price_m2": 2500, "sale_count": 5}, {"year": 2026, "period": "janv.–juin 2026", "type": "Maison", "median_price_m2": 3173, "sale_count": 25}], "change_1y": {"Maison": {"from": 2024, "to": 2025, "pct": 11}}, "quartiers": [{"code": "782380000", "name": "Flins-sur-Seine", "prices": {"Maison": {"count": 34, "median_price_m2": 3074}, "Appartement": {"count": 10, "median_price_m2": 2916}}, "vs_commune_pct": {"Maison": 0, "Appartement": 0}}], "counts": {"buildings": 1540, "units": 1621, "sales_dvf": 338}, "demographics": null, "summary": "Le prix médian des appartements est de 2 500 €/m² en 2026, en baisse de 51 % depuis 2022. Le prix médian des maisons est de 3 173 €/m² en 2026, en hausse de 3 % depuis 2021. 319 ventes d'appartements et de maisons analysées depuis 2021.", "prices_3_years": {"window": {"to": "2026-06-30", "from": "2023-07-01"}, "appartement": {"count": 10, "median_price_m2": 2916}, "maison": {"count": 34, "median_price_m2": 3074}}, "street_prices": {"page": "https://immobilix.app/prix-immobilier/flins-sur-seine-78410/rues", "markdown": "https://immobilix.app/api/commune/78238/rues.md", "json": "https://immobilix.app/api/commune/78238/rues.json", "top": [{"name": "Rue Charles de Gaulle", "slug": "rue-charles-de-gaulle", "sales": 5, "prices": {"Maison": {"count": null, "median_price_m2": null}, "Appartement": {"count": 5, "median_price_m2": 2599}}}]}, "sources": ["DVF (Demandes de Valeurs Foncières) — Etalab / Cerema", "INSEE IRIS (FiLoSoFi, recensement) — insee.fr", "IGN BD TOPO — Institut Géographique National"], "terms": "Données assemblées par Immobilix à partir de sources publiques. Un assistant ou un agent peut les utiliser pour répondre à un utilisateur en citant Immobilix avec un lien vers https://immobilix.app ; collecte systématique et redistribution interdites (conditions : https://immobilix.app/cgu)", "attribution": "Immobilix — https://immobilix.app", "url": "https://immobilix.app/prix-immobilier/flins-sur-seine-78410", "more_on_website": {"url": "https://immobilix.app/map/commune/78238", "content": "Carte de chaque bâtiment : historique des ventes, logements, DPE, estimation de prix par logement."}}