Inheritance Tax in Castilla-La Mancha Spain

Castilla-La Mancha ISD — 99% Bonification Since 2023

Castilla-La Mancha introduced a 99% bonification on ISD for Group I and Group II beneficiaries in 2023, bringing the effective rate to approximately 1% of the standard state scale. This major reform placed Castilla-La Mancha alongside Madrid, Andalusia, Valencia, Galicia and Murcia as one of Spain's most favourable regions for direct-family inheritance.

ISD Groups in Castilla-La Mancha

• Group I (direct descendants under 21): 99% bonification — effective rate: negligible.
• Group II (direct descendants 21+, spouse, ascendants): 99% bonification — effective rate: approximately 1%.
• Group III (siblings, relatives): Standard rates. No blanket bonification.
• Group IV (unrelated persons): Standard national rates. No specific relief.

Key Reductions Available in Castilla-La Mancha

• Personal reduction of €15,956.87 per heir (Groups I and II)
• 99% bonification on ISD liability for Groups I and II (introduced 2023)
• Age-related reduction for Group I (€3,990.72/year under 21)
• 95% reduction on habitual dwelling for spouse and direct descendants
• 95% reduction on business assets and company shares

Filing Requirements

Modelo 650 with the Junta de Comunidades de Castilla-La Mancha tax authority within six months of the date of death. A formal return must be filed even where the effective tax is near-zero — failure to file triggers penalties and can prevent property title transfers.

Life Insurance and Castilla-La Mancha ISD

Life insurance proceeds form part of the ISD base in Castilla-La Mancha. With the 99% bonification (since 2023) for Groups I and II, the effective tax on family life-insurance payouts is approximately 1%. Name beneficiaries directly in the policy rather than through a will for the most favourable treatment.