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Construction Loan Interest Calculator

Estimate your interest-only payments during a build, based on how much is drawn.

The full amount of your construction loan.

Rate during the build (often 7 to 9%). Enter your own.

Expected build length in months.

How much of the loan has been released to date. Interest is charged only on this.

About 50% if funds are drawn evenly. Use 60 to 70% if land and early work are paid up front.

Months you carry the full loan after the build, until sale or refinance.

Origination points, draw inspection and other lender fees.

Enter your loan details, then select Calculate.

This calculator is an educational estimate, not a loan approval, pre-qualification, or financial advice. Actual qualification depends on full underwriting of your credit, income, debts, and the property, and rates change daily. Serve First Realty is a licensed California real estate brokerage; Ashlar Lending arranges financing separately. Not tax advice.

Getting your numbers ready in California? Serve First represents you on the home, and Ashlar Lending (NMLS #2699657) matches you to the right loan program, one family, one team.

Serve First Realty California DRE# 02298264 Roseville, CA