Letting a short-term rental in Biarritz
Biarritz and the Basque Country have the strictest compensation rules in France.
- Tense zone
- Yes: the town may lower the cap and require change of use.
- Main-residence cap
- 120 nights a year
- Change of use (second home)
- Prior authorisation requiredThe Basque Country applies a strict compensation rule to change of use.
- Tourist tax
- Communauté Pays Basque. Return on the agglomeration's platform on its calendar.
- Registration number
- Registration number issued by the City before letting.
Plus the national rules
- Registration number mandatory and shown on every listing, main residences included.
- Valid DPE: G banned since 2025, F from 1 January 2028, E in 2034. In a tense zone a newly let rental must already be rated E at least.
- Host register and tourist-tax return every period, even when the platform collects.
- Income declared under micro-BIC (30 % unclassified, 50 % classified) or the actual regime.
Sheet updated on 23 October 2026 from national texts and published council decisions. Local rules change: confirm them with the town hall before deciding.