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BRS tax break gets a filing deadline; risk-site exemption band restated
BRS buyers must file the property-tax abatement declaration before 1 January of the year after signing; the variable exemption for homes near listed risk sites now starts at 25% instead of 15%.
By Taxxa AI OyPublished 25 September 2026
Owners of homes bought through a bail réel solidaire (BRS) now have an explicit filing deadline for the property-tax reductionService Public. Where the commune or EPCI has voted the abatement, the beneficiary must send the declaration with a copy of the BRS to the tax office of the place where the dwelling sits before 1 January of the year following the year the BRS was signed
Service Public. The abatement itself remains what the local authority voted: a single rate of 30 %, 40 %, 50 %, 60 %, 70 %, 80 %, 90 % or 100 % of the taxe foncière sur les propriétés bâties base, applicable for the duration of the lease. It covers dwellings held under a bail réel solidaire: a contract of eighteen to ninety-nine years by which an organisme de foncier solidaire grants real rights with a view to letting or home ownership. A declaration filed late is not lost: it takes effect for the remaining period after 31 December of the year it is filed.
The same page update restates the band for homes near certain risk sites. For dwellings in one of the listed situations — inside the exposure perimeter of a plan de prévention des risques technologiques, near a Seveso installation, or affected by a plan de prévention des risques miniers — a variable exemption of 25 to 50 % depending on the case can apply. That band reflects the mining-risk regime: under article 1383 G ter of the code général des impôts, communes and EPCI with their own tax powers may exempt homes completed before a plan de prévention des risques miniers was put in place and located in the exposed zones it delimits, at 25 % or 50 %, by deliberation fixing a single rate for the perimeter. The technological-risk regime in article 1383 G works differently, at 15 % or 30 % with possible uplifts inside the sectors of article L. 515-16 of the code de l'environnement, and the near-Seveso regime in article 1383 G bis at 25 % or 50 %. For each of these risk-site regimes the exemption only exists where the commune or EPCI has voted it, for its own share of the tax, and the owner must declare to the local tax office before 1 January of the first year from which the exemption is to apply; a late declaration takes effect from 1 January of the year after filing.
The update also makes two purely editorial adjustments to tense: the three-year energy-renovation exemption now runs from the year following full payment of the works, and the fifteen-year Anah-aided letting exemption runs from the year following completion of the improvement works.
Legal basis: articles 1383 G, 1383 G bis, 1383 G ter and 1388 octies of the code général des impôts.
If you signed a BRS in 2026, send the declaration with a copy of the lease to the tax office of the dwelling before 1 January 2027; if your home is near a listed risk site, ask the mairie whether an exemption was voted.
Sources
- Taxe foncière sur les propriétés bâties (TFPB)
- IF - Taxe foncière sur les propriétés bâties - Base d'imposition - Abattements spéciaux - Logements faisant l'objet d'un bail réel solidaire
- Code général des impôts
- IF - Taxe foncière sur les propriétés bâties - Champ d’application - Exonérations permanentes - Exonérations sur délibération des communes et des EPCI à fiscalité propre - Exonération des locaux d'habitation situés dans le périmètre délimité par un plan de prévention des risques technologiques