{"code": "54425", "name": "Piennes", "department": "54", "postcode": "54490", "population": 2441, "data_status": "complete", "prices": {"appartement": {"year": 2024, "sale_count": 7, "median_price_m2": 1625}, "maison": {"year": 2026, "sale_count": 13, "median_price_m2": 1593}}, "prices_period": "janv.–juin 2026", "data_through": "2026-06-30", "price_series": [{"year": 2021, "period": "2021", "type": "Appartement", "median_price_m2": 929, "sale_count": 11}, {"year": 2021, "period": "2021", "type": "Maison", "median_price_m2": 1135, "sale_count": 57}, {"year": 2022, "period": "2022", "type": "Appartement", "median_price_m2": 1071, "sale_count": 5}, {"year": 2022, "period": "2022", "type": "Maison", "median_price_m2": 1190, "sale_count": 65}, {"year": 2023, "period": "2023", "type": "Appartement", "median_price_m2": 729, "sale_count": 10}, {"year": 2023, "period": "2023", "type": "Maison", "median_price_m2": 1573, "sale_count": 44}, {"year": 2024, "period": "2024", "type": "Appartement", "median_price_m2": 1625, "sale_count": 7}, {"year": 2024, "period": "2024", "type": "Maison", "median_price_m2": 1213, "sale_count": 40}, {"year": 2025, "period": "2025", "type": "Maison", "median_price_m2": 1384, "sale_count": 45}, {"year": 2026, "period": "janv.–juin 2026", "type": "Maison", "median_price_m2": 1593, "sale_count": 13}], "change_1y": {"Maison": {"from": 2024, "to": 2025, "pct": 14}}, "quartiers": [{"code": "544250000", "name": "Piennes", "prices": {"Maison": {"count": 78, "median_price_m2": 1312}, "Appartement": {"count": 11, "median_price_m2": 1534}}, "vs_commune_pct": {"Maison": 0, "Appartement": 0}}], "counts": {"buildings": 2225, "units": 1932, "sales_dvf": 329}, "demographics": null, "summary": "Le prix médian des appartements est de 1 625 €/m² en 2024, en hausse de 75 % depuis 2021. Le prix médian des maisons est de 1 593 €/m² en 2026, en hausse de 40 % depuis 2021. 297 ventes d'appartements et de maisons analysées depuis 2021.", "prices_3_years": {"window": {"to": "2026-06-30", "from": "2023-07-01"}, "appartement": {"count": 11, "median_price_m2": 1534}, "maison": {"count": 78, "median_price_m2": 1312}}, "street_prices": {"page": "https://immobilix.app/prix-immobilier/piennes-54490/rues", "markdown": "https://immobilix.app/api/commune/54425/rues.md", "json": "https://immobilix.app/api/commune/54425/rues.json", "top": [{"name": "Rue Emile Zola", "slug": "rue-emile-zola", "sales": 7, "prices": {"Maison": {"count": 7, "median_price_m2": 1183}}}, {"name": "Rue Gabriel Péri", "slug": "rue-gabriel-peri", "sales": 6, "prices": {"Maison": {"count": 6, "median_price_m2": 1229}}}, {"name": "Rue de Verdun", "slug": "rue-de-verdun", "sales": 5, "prices": {"Maison": {"count": 5, "median_price_m2": 1000}, "Appartement": {"count": null, "median_price_m2": null}}}, {"name": "Rue Eugène Varlin", "slug": "rue-eugene-varlin", "sales": 5, "prices": {"Maison": {"count": 5, "median_price_m2": 917}}}]}, "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/piennes-54490", "more_on_website": {"url": "https://immobilix.app/map/commune/54425", "content": "Carte de chaque bâtiment : historique des ventes, logements, DPE, estimation de prix par logement."}}