Assumable Mortgage Calculator

Compare loan assumptions vs new mortgages

Calculate Your Assumed Mortgage Savings with Ease

Assumable Loan Calculator helps you to quickly compare monthly payments, savings, and total loan costs. Make smarter financial decisions today.

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Loan Details

Assumed Loan (Monthly Payment)

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New Loan (Monthly Payment)

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Monthly Savings

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Loan Balance Over Time

Monthly Payment Breakdown

Cost Comparison

Features

Visual Comparison

Our interactive charts clearly show the financial differences between assuming an existing loan and taking out a new mortgage.

Detailed Analysis

Get a complete breakdown of monthly payments including principal, interest, taxes, and insurance for both options.

Export Results

Download your calculations as a PDF to share with real estate agents, lenders, or for your personal records.

Frequently Asked Questions

What is an assumable mortgage?

An assumable mortgage allows a homebuyer to take over the seller's existing mortgage, including its terms and remaining balance. Instead of securing a new loan—which might carry a higher interest rate—the buyer continues making payments on the original mortgage. While various loan types can be assumable, there are important factors and conditions that must be considered.

Which types of loans are typically assumable?

The most common types of assumable loans are:

Conventional mortgages are generally not assumable unless specifically written to allow it, which is rare.

What are the advantages of assuming a mortgage?

The primary advantage is potentially securing a lower interest rate than current market rates. Other benefits may include lower closing costs, avoiding private mortgage insurance (PMI) if the original loan has sufficient equity, and potentially qualifying for a loan when current lending standards might make that difficult.

What are the disadvantages of assuming a mortgage?

Disadvantages include: the seller's loan balance might be less than the purchase price requiring additional financing, assumption fees, the process can be more complex than a traditional purchase, and not all lenders allow assumptions. Additionally, the buyer must qualify under the original lender's standards.

How does the assumption process work?

The process typically involves:

  1. (1) The buyer applies to the lender to assume the loan,
  2. (2) The lender reviews the buyer's credit and finances,
  3. (3) If approved, the buyer pays any assumption fees and closing costs,
  4. (4) The title is transferred, and the buyer takes over the mortgage payments. The exact process varies by lender.

How much does it cost to assume a mortgage?

Costs vary but typically include an assumption fee (often $500-$1,500 for FHA/VA loans), credit report fee, appraisal fee, title insurance, and other standard closing costs. Total costs are usually less than a new mortgage but more than a simple loan transfer.

Can I assume a mortgage with bad credit?

Lenders will evaluate your creditworthiness just as they would for a new loan. While requirements might be slightly less stringent than current standards, you'll still need decent credit (typically minimum 580-620 for FHA/VA assumptions) and sufficient income to qualify.

What happens if the home is worth more than the remaining mortgage?

If the purchase price exceeds the remaining mortgage balance, you'll need to make up the difference with cash or secure a second mortgage. This is common in today's market where home values have appreciated significantly since many existing loans were originated.

Are there tax implications when assuming a mortgage?

For the buyer, tax implications are similar to taking out a new mortgage - you can typically deduct mortgage interest and property taxes. For the seller, they may be relieved of liability for the debt, which could have tax consequences. Always consult a tax professional for your specific situation.

How long does the assumption process take?

The timeline varies by lender but typically takes 45-90 days, which is longer than a standard mortgage approval (30-45 days). The extended timeline is due to additional paperwork and the lender's need to underwrite both the property and the assuming borrower.

What is a due-on-sale clause and why does it matter?

A due-on-sale clause allows the lender to demand full repayment of a mortgage if the home is sold or transferred without their consent. This clause is common in most conventional loans and is the reason many are not assumable. Learn more from Wikipedia .

Are there exceptions to due-on-sale enforcement?

Yes. Some FHA and VA loans issued before certain dates may be assumed without lender approval. Additionally, transfers due to divorce, death, or inheritance often qualify for exemption. More details at Wikipedia .

Can conventional ARMs be assumed?

Some adjustable-rate mortgages (ARMs) may be assumable if the investor permits it. However, most fixed-rate conventional loans include due-on-sale clauses and are not assumable. Learn more from Forbes .

What is a release of liability, and why is it important?

When a mortgage is assumed, the original borrower may still be liable for the loan unless the lender issues a formal release of liability (also known as a novation). Without this, the seller remains responsible if the buyer defaults. See Forbes and Wikipedia .

How many assumable mortgages exist and how common are they?

About 11–12 million U.S. mortgages—mostly FHA and VA loans—are assumable. They’re more common in areas with military bases and lower refinancing rates. Read more at MarketWatch and Business Insider .

Why do lenders resist assumption requests?

Many lenders profit more from originating new loans than from assumption transactions. Also, assumptions can be time-consuming and underutilized, leading some servicers to resist or delay processing. See Axios and Forbes .

Can successors by inheritance or divorce assume the mortgage easily?

Yes. In many cases, heirs or ex-spouses can continue making payments without formally assuming the loan, avoiding the due-on-sale clause. Learn more from Wikipedia and Forbes .

In what personal situations is an assumable mortgage especially beneficial?

Assumable mortgages can help in cases like divorce (one spouse keeps the home), inheritance (successor keeps the loan), and avoiding foreclosure (by transferring the mortgage to someone else). Details at Houzeo and Forbes .

Make informed decisions about assuming a mortgage versus getting a new loan with our advanced calculator tool.

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