House Buying Calculator

House Buying Cost & Affordability Calculator

Calculate total upfront cash requirements and monthly holding costs.

Acquisition Costs

Typical: 2% to 5%

Annual Holding Costs

Recommended: 1% per year

Calculation Summary

Total Upfront Cash Needed:

(Excludes your down payment amount)

Monthly Non-Loan Holding Cost:

(Taxes, Insurance, Repairs, HOA)

Estimated Annual Ownership Cost:

Closing Costs alone:

Understanding the Real Cost of Buying a House

When purchasing a home, many buyers focus solely on the mortgage payment. However, the true financial commitment of homeownership involves significant "hidden" costs during the transaction and ongoing holding costs after you receive the keys.

1. Upfront Acquisition Costs

Before you move in, you must cover the acquisition expenses. These include:

  • Closing Costs: These range from 2% to 5% of the purchase price and include title insurance, escrow fees, and government recording fees.
  • Due Diligence: Professional inspections (general, pest, radon) and legal fees to ensure the property is a sound investment.
  • Immediate Capital Outlay: Moving trucks, furniture for the new space, and necessary repairs found during the inspection.

2. The "Holding Cost" Reality

Even if you paid for a house in full with cash, owning it is not free. A responsible homeowner must budget for:

  • Property Taxes: Usually assessed annually by the local municipality, based on a percentage of the home's value.
  • Maintenance Reserve: The "1% Rule" suggests setting aside 1% of the home's value every year to cover major future repairs like roof replacement or HVAC failure.
  • HOA/Strata Fees: Mandatory monthly payments if the property is part of a managed community or condo building.

Example Calculation

If you buy a house for 300,000:

  • Closing Costs (3%): 9,000
  • Inspection/Legal: 1,200
  • Furniture/Moving: 5,000
  • Total Upfront Cash: 15,200 (plus your down payment).

Monthly, you might pay 300 for taxes, 100 for insurance, and 250 for maintenance, totaling 650/month in holding costs before any mortgage payment is considered.

function calculateHouseCosts() { // Get Inputs var purchasePrice = parseFloat(document.getElementById('purchasePrice').value) || 0; var closingPercent = parseFloat(document.getElementById('closingPercent').value) || 0; var legalFees = parseFloat(document.getElementById('legalFees').value) || 0; var repairBudget = parseFloat(document.getElementById('repairBudget').value) || 0; var movingCosts = parseFloat(document.getElementById('movingCosts').value) || 0; var taxRate = parseFloat(document.getElementById('taxRate').value) || 0; var insuranceAnnual = parseFloat(document.getElementById('insuranceAnnual').value) || 0; var hoaFees = parseFloat(document.getElementById('hoaFees').value) || 0; var maintenanceRate = parseFloat(document.getElementById('maintenanceRate').value) || 0; // Calculation Logic var closingCostsAmount = purchasePrice * (closingPercent / 100); var totalUpfront = closingCostsAmount + legalFees + repairBudget + movingCosts; var annualTax = purchasePrice * (taxRate / 100); var annualMaintenance = purchasePrice * (maintenanceRate / 100); var totalAnnualHolding = annualTax + annualMaintenance + insuranceAnnual + (hoaFees * 12); var totalMonthlyHolding = totalAnnualHolding / 12; // Format Currency (Internal Helper) function formatCurr(num) { return '$' + num.toLocaleString(undefined, {minimumFractionDigits: 0, maximumFractionDigits: 0}); } // Display Results document.getElementById('totalUpfrontDisplay').innerText = formatCurr(totalUpfront); document.getElementById('totalMonthlyDisplay').innerText = formatCurr(totalMonthlyHolding); document.getElementById('annualTotalDisplay').innerText = formatCurr(totalAnnualHolding); document.getElementById('closingOnlyDisplay').innerText = formatCurr(closingCostsAmount); document.getElementById('resultsArea').style.display = 'block'; }

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