Free Tools for Homeowners
Calculate your taxes, deductions, and housing costs
Rent vs Buy Calculator 2026
Should you rent or buy? Compare costs and wealth accumulation over 30 years.
Box 3 Comparison: Deemed Return vs Actual Return
Compare your Box 3 wealth tax under the current deemed return system and the new actual return system (WWR)
Mortgage Interest Deduction 2025 Calculator
Calculate how much mortgage interest deduction you'll get back on your 2025 tax return
Municipal Taxes by Municipality 2026
Compare 2026 property tax (OZB), sewer tax, and waste fees across all 342 Dutch municipalities. Free, based on COELO data.