{"code": "26084", "name": "Châteauneuf-sur-Isère", "department": "26", "postcode": "26300", "population": 4281, "data_status": "complete", "prices": {"appartement": {"year": 2025, "sale_count": 13, "median_price_m2": 1378}, "maison": {"year": 2026, "sale_count": 19, "median_price_m2": 2943}}, "prices_period": "janv.–juin 2026", "data_through": "2026-06-30", "price_series": [{"year": 2014, "period": "2014", "type": "Appartement", "median_price_m2": 1544, "sale_count": 7}, {"year": 2014, "period": "2014", "type": "Maison", "median_price_m2": 1852, "sale_count": 22}, {"year": 2015, "period": "2015", "type": "Appartement", "median_price_m2": 1814, "sale_count": 11}, {"year": 2015, "period": "2015", "type": "Maison", "median_price_m2": 2150, "sale_count": 19}, {"year": 2016, "period": "2016", "type": "Appartement", "median_price_m2": 2285, "sale_count": 6}, {"year": 2016, "period": "2016", "type": "Maison", "median_price_m2": 2133, "sale_count": 49}, {"year": 2017, "period": "2017", "type": "Appartement", "median_price_m2": 1747, "sale_count": 12}, {"year": 2017, "period": "2017", "type": "Maison", "median_price_m2": 1944, "sale_count": 45}, {"year": 2018, "period": "2018", "type": "Appartement", "median_price_m2": 1380, "sale_count": 12}, {"year": 2018, "period": "2018", "type": "Maison", "median_price_m2": 2153, "sale_count": 48}, {"year": 2019, "period": "2019", "type": "Appartement", "median_price_m2": 1700, "sale_count": 27}, {"year": 2019, "period": "2019", "type": "Maison", "median_price_m2": 2016, "sale_count": 48}, {"year": 2020, "period": "2020", "type": "Maison", "median_price_m2": 2438, "sale_count": 49}, {"year": 2021, "period": "2021", "type": "Maison", "median_price_m2": 2336, "sale_count": 51}, {"year": 2022, "period": "2022", "type": "Appartement", "median_price_m2": 1823, "sale_count": 25}, {"year": 2022, "period": "2022", "type": "Maison", "median_price_m2": 2857, "sale_count": 53}, {"year": 2023, "period": "2023", "type": "Maison", "median_price_m2": 2857, "sale_count": 40}, {"year": 2024, "period": "2024", "type": "Maison", "median_price_m2": 2753, "sale_count": 45}, {"year": 2025, "period": "2025", "type": "Appartement", "median_price_m2": 1378, "sale_count": 13}, {"year": 2025, "period": "2025", "type": "Maison", "median_price_m2": 2429, "sale_count": 67}, {"year": 2026, "period": "janv.–juin 2026", "type": "Maison", "median_price_m2": 2943, "sale_count": 19}], "change_1y": {"Maison": {"from": 2024, "to": 2025, "pct": -12}}, "quartiers": [], "counts": {"buildings": 4177, "units": null, "sales_dvf": 750}, "demographics": null, "summary": "Le prix médian des appartements est de 1 378 €/m² en 2025, en baisse de 11 % depuis 2014. Le prix médian des maisons est de 2 943 €/m² en 2026, en hausse de 59 % depuis 2014. 668 ventes d'appartements et de maisons analysées depuis 2014.", "prices_3_years": {"window": {"to": "2026-06-30", "from": "2023-07-01"}, "appartement": {"count": 10, "median_price_m2": 2104}, "maison": {"count": 79, "median_price_m2": 2629}}, "street_prices": {"page": "https://immobilix.app/prix-immobilier/chateauneuf-sur-isere-26300/rues", "markdown": "https://immobilix.app/api/commune/26084/rues.md", "json": "https://immobilix.app/api/commune/26084/rues.json", "top": [{"name": "Rue des Remparts", "slug": "rue-des-remparts", "sales": 6, "prices": {"Maison": {"count": 6, "median_price_m2": 1971}, "Appartement": {"count": null, "median_price_m2": null}}}, {"name": "Rue des Crozes", "slug": "rue-des-crozes", "sales": 5, "prices": {"Maison": {"count": null, "median_price_m2": null}, "Appartement": {"count": 5, "median_price_m2": 2188}}}]}, "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/chateauneuf-sur-isere-26300", "more_on_website": {"url": "https://immobilix.app/map/commune/26084", "content": "Carte de chaque bâtiment : historique des ventes, logements, DPE, estimation de prix par logement."}}