No historic monuments in Lassy
25% of compared French towns have no historic monument either. The nearest town to Lassy with a classé monument is Jagny-sous-Bois, 1.9 km away.
The nearest classé monuments to Lassy
Towns within 15.5 mi with at least one classé monument, nearest first.
| Town | Distance | Monuments | Classé | Protected area |
|---|---|---|---|---|
| Jagny-sous-Bois | 1.2 mi | 1 | 1 | — |
| Épinay-Champlâtreux | 1.5 mi | 2 | 1 | — |
| Luzarches | 1.7 mi | 5 | 1 | — |
| Mareil-en-France | 2.1 mi | 1 | 1 | — |
| Châtenay-en-France | 2.1 mi | 1 | 1 | — |
| Marly-la-Ville | 2.7 mi | 1 | 1 | — |
6 towns in Val-d'Oise have protected historic areas: Cergy, Pontoise, Gonesse, Enghien-les-Bains, Auvers-sur-Oise, Boisemont.
14% of homes in Lassy were built before 1919
Main homes by when they were finished, beside the median compared French town (the tick).
14% of its main homes were built before 1919; the median compared French town has 7.4%. More of them were finished between 1971 and 1990 than in any other period (27%).
INSEE, census 2023: main homes (résidences principales) only; second homes and empty homes aren’t dated.
Lassy in brief
Old houses are part of Lassy’s character: 14% of its homes were built before 1919, against 7.4% in the median compared French town. Lassy has nothing on the list; Jagny-sous-Bois, 1.2 mi away, is the nearest place with classé monuments.
France has no History Grade yet: this page describes, it doesn’t grade.
Sources: Ministère de la Culture, Mérimée base on POP (immeubles protégés au titre des monuments historiques), October 2026 · Ministère de la Culture, sites patrimoniaux remarquables, October 2026 · INSEE, census 2023 (main homes by build period) · IGN Admin Express (boundaries) · Medians and percentiles: TownRatings, over compared French towns, updated November 4, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.