True Monthly Home Cost Calculator
Budget beyond the mortgage with taxes, insurance, HOA, maintenance, and utilities.
Preparing your calculator…
MansionMath provides estimates for educational purposes. Actual loan terms, taxes, insurance, fees, investment returns, and eligibility may vary.
How this calculator works
Reuse the fixed-rate mortgage engine for principal, interest, taxes, homeowners insurance, conventional PMI, and HOA. Add editable monthly maintenance and utility allowances. Multiply by twelve for an annual budgeting total. Loan amortization and local costs remain subject to their original assumptions.
Use current quotes, local rates, and measured dimensions to make this estimate useful for your situation.
Frequently asked questions
Why add maintenance?+
The loan payment does not cover repairs or replacement of aging systems. An editable reserve helps plan for irregular costs.
Is this an affordability approval?+
No. It estimates ownership costs. Income, other debts, cash reserves, credit, and lender requirements determine affordability and eligibility.