How Much Is a $600,000 Mortgage Monthly Payment?

The payment on a $600,000 mortgage depends on the interest rate and term, whether the rate is fixed or variable, whether you’re required to pay mortgage insurance, and if you’ll make monthly payments toward home insurance and real estate taxes.

Monthly payments on a $600,000 mortgage

In addition to the interest rate and repayment term, the monthly payment depends on whether the rate is fixed or variable. If you choose a fixed-rate mortgage, the interest rate will not change. If, however, you choose an adjustable rate mortgage (ARM), the rate may adjust depending on the current rate environment and terms of the loan. Since most conventional mortgages are fixed, we illustrate fixed-rate payments below.

The payments above account for principal and interest only. Add the cost of private mortgage insurance (if required) plus home insurance and property taxes, all of which are typically included in your mortgage escrow account, to get a better sense of what your total payment might be. 

Monthly cost of insurance and taxes

According to a recent Credible survey, the majority of homeowners underestimated essential expenses of owning a home:

• 52% underestimated the cost of home insurance
• 48% underestimated taxes
• 21% underestimated private mortgage insurance costs

While these expenses don’t go toward paying off your mortgage, they’re often included in your monthly payment — which makes it essential to budget for them when planning a home purchase.

Property taxes

Property tax rates vary widely, depending on where you live — from below 0.3% to nearly 2% of your home’s assessed value. Assuming a $750,000 purchase price (and assessed value), property taxes could range from around $2,000 to almost $15,000 annually, adding around $200 to over $1,000 to your monthly mortgage payment.

Home insurance

Home insurance costs also vary, depending on where you live. The national average for a $600K home was $4,400 per year or $367/month, according to Insurance.com. But if you have a $600K mortgage, your home could be worth much more — and you’re typically required to maintain coverage for its full replacement cost. 

Plus, states more prone to natural disasters can have even higher rates. For instance, a $600,000 home in Florida could cost nearly or more than $14,000 to insure annually, or $1,167/month.

Escrow

Many lenders require that you pay property taxes, homeowners insurance, and mortgage insurance, if applicable, into an impound or escrow account. You make one monthly payment, which includes your mortgage principal and interest and a portion of your annual taxes and insurance premiums. The lender uses the account to pay the annual bills on your behalf. FHA loans require borrowers to make payments to an escrow account. 

But there are benefits to making escrow payments even if your lender doesn’t explicitly require it. “The convenience of impounding is smaller, more digestible payments; the tradeoff is less control and forced monthly payment towards expenses [you] would otherwise have control of when to save towards, and when to use that money towards other bills,” says Frederick Blum, broker and owner of Blum Realty Group. 

However, there’s a risk to making escrow payments on autopilot: “If taxes or insurance increase beyond the loan servicer's calculated estimate, the impound account can develop a shortage, which far too often comes as a shock to borrowers,” says Blum. Keep an eye on your tax liability and pay attention to notices about premium increases so you can adjust your budget accordingly. 

How does loan term affect monthly payment?

The longer your mortgage loan term, the smaller your monthly payment. That’s because your payment of principal and interest is spread out over a longer period of time. However, longer loan terms frequently come with higher rates. And because the interest is compounded over many more years, you’ll end up paying more in interest over the life of the loan. In other words, longer mortgage terms are more manageable each month, but they cost more in the long run. 

Shorter-term mortgages have opposite advantages and disadvantages. “Shorter-term loans have lower rates than longer-term loans, but they also have bigger monthly payments. A mistake borrowers make is to go for the shorter term loan, and then be in a tight situation when a life event hits,” says Doug Perry, strategic financing advisor at Real Estate Bees. “I usually advise my clients to take the longer-term loan and pre-pay it. That way, a payment relief safety valve is built into the loan.”

Most residential mortgages don’t come with prepayment penalties, and even when they do, they typically only restrict large lump-sum payments within the first few years. That means you can make extra payments when you have additional income without incurring fees. This allows you to save money on interest while maintaining payment flexibility. Confirm with the lender how extra payments are applied to ensure they go toward your principal. 

Total interest paid on a $600,000 mortgage

The total interest paid on a $600,000 mortgage depends on the loan term and interest rate. The longer the loan term and the higher the interest rate, the more you’ll pay in interest over the life of the loan. The table below shows a couple of examples.

Amortization schedule on a $600,000 mortgage

Here’s what an amortization schedule looks like for a 30-year, $600,000 mortgage with a 6.5% APR:

Here’s what an amortization schedule looks like for a 15-year, $600,000 mortgage with a 6% APR:

What income do you need to afford a $600,000 mortgage?

“As a general rule, your total debt load, including the new loan, can't be more than 50% of your gross monthly income,” says Perry. While 50% is typically the absolute maximum, many lenders prefer a debt-to-income ratio (DTI) below 36% unless you have strong credit, cash reserves, or can make a large down payment.

But a lender’s measure of your ability to repay a mortgage is not the same as your own evaluation of your household finances. Don’t make the mistake of assuming you have enough income to repay a $600,000 mortgage based on your ability to get pre-approved for a mortgage. 

"I advise borrowers to bear in mind that DTI is an underwriting ratio, not a household budget. It compares recurring debt with gross income, but it does not fully capture taxes, childcare, healthcare, maintenance, savings goals, or ordinary living expenses," says Blum. "A sustainable mortgage should leave room for emergencies, maintenance, savings, and the life the borrower still intends to live. If the payment works only when nothing goes wrong, then the payment does not really work."

Financial experts generally suggest spending no more than three to five times your annual household income on the total purchase price of a house. But ultimately, you need to evaluate your budget and individual mortgage payment, living expenses in your area, and your financial goals to determine whether a $600,000 mortgage will be affordable. 

What other costs come with a $600,000 mortgage?

Your lender will outline all the costs associated with your mortgage in your official Loan Estimate and Closing Disclosure. These may include:

• Loan origination fees: The lender may charge an upfront fee for underwriting the loan. The typical mortgage origination fee is 0.5% to 1% of the loan amount.
• Mortgage points: Discount points are an optional, upfront fee you can pay to lower your mortgage interest rate, which could save you money over the life of the loan. 
• Real estate agent and brokerage fees: Though sellers typically pay real estate commissions, guidelines approved by the National Association of Realtors in 2024 provide the flexibility for negotiation. 
• Earnest money: An earnest money deposit is a standard step in most real estate transactions that shows you’re serious about purchasing the property. While it’s typically credited to the buyer at closing, you could lose your earnest money if you back out of the purchase for reasons not permitted under the contract. 
• Appraisal and home inspection fees: You’ll typically pay for a home appraisal and home inspection at the time of service, though some providers may allow these expenses to be rolled into your closing costs. 
• Closing costs: Closing costs are additional fees required to close the home purchase transaction. These may include government taxes, title insurance, prepaid mortgage and property expenses, and recording fees. 
• Ongoing homeownership costs: Consider setting aside between 1% and 4% of your home’s purchase price annually for these expenses.