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Real Estate

Mortgage Calculator for California

Use this California mortgage calculator page to model a home payment with the core mortgage tool while paying special attention to property tax, insurance, HOA dues, and high-cost housing assumptions.

  • English-only scenario
  • Uses your own inputs
  • Estimate only

Scenario inputs

For a California home search, compare at least three down payment scenarios and include property tax, insurance, HOA dues, and a maintenance buffer before deciding whether the monthly number works.

Home priceDown paymentInterest rateLoan termProperty tax input

Mortgage Calculator for California

Use this California mortgage calculator page to model a home payment with the core mortgage tool while paying special attention to property tax, insurance, HOA dues, and high-cost housing assumptions.

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How to Use This Scenario

For a California home search, compare at least three down payment scenarios and include property tax, insurance, HOA dues, and a maintenance buffer before deciding whether the monthly number works.

  • Property tax and insurance vary by county, property, coverage, and lender requirements.
  • Higher home prices make down payment and closing-cost assumptions especially important.
  • This page does not apply current state tax rules automatically; enter your own verified figures.

Assumptions and Limitations

The Mortgage Payment Calculator is most useful when loan principal, monthly interest rate, number of payments, property tax, insurance, PMI, HOA, and extra principal all describe the same home purchase scenario.

  • Lender quotes can use different PMI rules, escrow estimates, insurance quotes, local taxes, fees, points, and buydown assumptions.
  • The payment estimate is for planning and does not replace a loan estimate, closing disclosure, tax bill, or insurance quote.
  • Extra principal estimates assume the lender applies extra payments to principal and has no prepayment restriction.

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Frequently Asked Questions

Does this California mortgage calculator include current local tax rules?+

No. It gives fields for taxes and insurance so you can enter current, property-specific numbers from a lender, county source, or quote.

Why use a California-specific page?+

California buyers often need to model higher prices, HOA dues, insurance variation, and down payment tradeoffs carefully.

Why does my mortgage payment estimate differ from my lender quote?+

A lender quote can include different escrow assumptions, PMI rules, points, fees, buydowns, local taxes, insurance premiums, rounding, and payment timing.

How do PMI and property tax change the monthly mortgage payment?+

PMI is added when the loan-to-value ratio is above the selected threshold in the calculator, and property tax is converted into a monthly escrow-style estimate from either the tax rate or annual tax amount.

Should extra monthly payment be added before or after escrow costs?+

Extra monthly payment is treated as additional principal, not tax, insurance, PMI, or HOA. Keeping it separate makes the cash-flow impact and payoff-time impact easier to compare.