{"code": "44007", "name": "Avessac", "department": "44", "postcode": "44460", "population": 2452, "data_status": "complete", "prices": {"appartement": null, "maison": {"year": 2025, "sale_count": 45, "median_price_m2": 1791}}, "prices_period": "2025", "data_through": "2025-12-31", "price_series": [{"year": 2021, "period": "2021", "type": "Maison", "median_price_m2": 1831, "sale_count": 51}, {"year": 2022, "period": "2022", "type": "Maison", "median_price_m2": 1848, "sale_count": 52}, {"year": 2023, "period": "2023", "type": "Maison", "median_price_m2": 1488, "sale_count": 43}, {"year": 2024, "period": "2024", "type": "Maison", "median_price_m2": 1667, "sale_count": 25}, {"year": 2025, "period": "2025", "type": "Maison", "median_price_m2": 1791, "sale_count": 45}], "change_1y": {"Maison": {"from": 2024, "to": 2025, "pct": 7}}, "quartiers": [{"code": "440070000", "name": "Avessac", "prices": {"Maison": {"count": 64, "median_price_m2": 1570}}, "vs_commune_pct": {"Maison": 0}}], "counts": {"buildings": 3383, "units": 1979, "sales_dvf": 242}, "demographics": null, "summary": "Le prix médian des maisons est de 1 791 €/m² en 2025, en baisse de 2 % depuis 2021. 216 ventes d'appartements et de maisons analysées depuis 2021.", "prices_3_years": {"window": {"to": "2025-12-31", "from": "2023-01-01"}, "appartement": null, "maison": {"count": 64, "median_price_m2": 1570}}, "street_prices": {"page": "https://immobilix.app/prix-immobilier/avessac-44460/rues", "markdown": "https://immobilix.app/api/commune/44007/rues.md", "json": "https://immobilix.app/api/commune/44007/rues.json", "top": []}, "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/avessac-44460", "more_on_website": {"url": "https://immobilix.app/map/commune/44007", "content": "Carte de chaque bâtiment : historique des ventes, logements, DPE, estimation de prix par logement."}}