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Whether you’re a first-time homebuyer or a seasoned investor, the Oregon jumbo mortgage loan calculator helps you estimate the costs and payments associated with jumbo loans. Jumbo loans exceed the conforming loan limits set by the Federal Housing Finance Agency. In Oregon, this limit is $806,500 for single-family homes.
Keep reading to learn how to use the Oregon jumbo mortgage calculator effectively, how jumbo loans differ from conforming loans, and more.
Key Points
• Jumbo loans exceed the conforming loan limits set by the FHFA; in Oregon, this limit is $806,500 in all counties in 2025.
• To use the calculator, enter in the home price, down payment amount, loan term, interest rate, and property tax rate.
• Jumbo loans have stricter qualification criteria, including a higher credit score and significant cash reserves.
• Jumbo loans require a minimum down payment of 10%. Higher down payments can improve loan terms and reduce monthly payments.
• The calculator allows you to see the impact of different interest rates and loan terms on monthly payments and total loan costs.
Oregon Jumbo Loan Calculator
Calculator Definitions
• Jumbo loan: A jumbo mortgage loan is a home loan that exceeds the conforming loan limits set by the Federal Housing Finance Agency (FHFA). In all Oregon counties in 2025, the conforming loan limit for a single-family home is $806,500.
• Home price: The home price represents the purchase price you have agreed upon with the home seller during negotiations. It directly impacts the size of your home loan and your monthly payments.
• Down payment: The down payment represents the initial amount a homebuyer contributes upfront when purchasing a property, often expressed as a percentage of the total purchase price. Jumbo loans typically require a down payment of at least 10%.
• Loan term: The loan term represents the length of time you have to repay the mortgage, generally 15 or 30 years.
• Interest rate: The interest rate represents the cost of borrowing money, typically expressed as a percentage of the total loan amount. It can be variable or fixed. Interest rates vary based on borrower qualifications, market conditions, and the type of mortgage loan.
• Annual property tax: Annual property tax is a levy imposed by local governments on land and buildings. It is typically expressed as a percentage of the property’s assessed value.
How to Use the Oregon Jumbo Loan Calculator
The Oregon jumbo loan calculator helps estimate monthly payments and total loan costs. Follow these steps to use the calculator effectively.
Step 1: Enter Your Home Price
Type in the home price listed on your purchase contract. This is the agreed-upon purchase price you negotiated with the seller. Accurate input ensures the calculator provides a reliable estimate of your monthly mortgage payment.
Step 2: Add a Down Payment Amount
Specify the amount you intend to use as a down payment. Jumbo loans typically require at least 10% of the property’s value. A higher down payment can improve loan terms and reduce monthly payments. A down payment calculator can help you decide on your number.
Step 3: Choose a Loan Term
Select a loan term ranging from 10 to 30 years. A longer term lowers monthly payments but increases total interest paid. A shorter term increases monthly payments but reduces total interest.
Step 4: Enter an Interest Rate
Input your desired interest rate to the second or third decimal point. The interest rate significantly impacts your monthly payment and total interest paid.
Step 5: Enter Your Annual Property Tax
Enter your annual property tax rate. In Oregon, the average effective property tax rate is around 0.86%. This helps provide a more accurate estimate of your total monthly mortgage payment and ensures you are prepared for the financial commitment.
What Are Jumbo Loans and Conforming Loan Limits?
A jumbo loan is a mortgage that exceeds the conforming loan limits set by the Federal Housing Finance Agency (FHFA). In 2025, the conforming loan limit for a single-family home in all Oregon counties is $806,500. For loan amounts above this threshold, a jumbo loan is necessary.
When comparing jumbo loans vs. conventional loans, jumbo loans often come with stricter qualification criteria, such as a higher credit score and significant cash reserves. Despite these stringent requirements, jumbo loans offer higher loan limits and flexible underwriting options, making them a smart choice for those looking to purchase more expensive homes.
Using a jumbo loan calculator offers several advantages. First, it helps you budget effectively by providing a clear estimate of your monthly mortgage payment, avoiding unexpected financial surprises.
A jumbo loan calculator also helps you evaluate the long-term cost of borrowing. It can show how much interest you’ll pay over the life of the loan and how certain changes — like adjusting your down payment or building your credit score — might lower your costs.
And finally, a jumbo loan calculator enables you to compare offers from multiple lenders, ensuring you find the best loan for your needs. By inputting different financial scenarios, you can make better-informed decisions about your loan term and down payment, ultimately helping you secure the most suitable mortgage for your high-value property.
How to Use the Jumbo Loan Calculator to Compare Scenarios
The jumbo loan mortgage calculator is a powerful tool for comparing different loan scenarios. With it, you can:
• Adjust the home price to see what you can afford.
• Change the down payment amount — a larger down payment can reduce interest and lower monthly payments.
• Consider different loan terms to understand the trade-offs between monthly payments and total interest paid.
• Explore different interest rates to find the best option.
• Understand the impact of property tax rates on your monthly payment.
Current mortgage rates by state.
Compare current home interest rates by state and find a mortgage rate that suits your financial goals.
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Deciding How Much House You Can Afford in Oregon
Lenders suggest that mortgage payments shouldn’t exceed 28% of your gross monthly income. For a $1 million home, you would need a $250,000 income, assuming a 10% down payment, a 30-year mortgage, and a 6.75% interest rate. This results in roughly $5,837 monthly payments before taxes and insurance.
You also need to factor in debts when determining affordability. Aim for total debt payments within 36% of your gross monthly income. In the example above, if your debts exceed about $1,600 a month — think student loans, credit cards, and car payments — the income needed for a $900,000 mortgage would be higher.
If your monthly debts exceed $3,000, an income closer to $300,000 is needed. Mortgage preapproval can clarify your maximum mortgage, simplifying the homebuying process. Though, only you can say what a comfortable budget is, based on your assets, lifestyle, and financial goals.
The main components of a jumbo loan payment include the principal and interest. The principal is the amount borrowed, and the interest is the cost of borrowing that money.
Other components include property tax — which is included in our calculator — as well as homeowners insurance and homeowners association (HOA) fees. Knowing how these expenses factor in gives you a clearer view of your overall financial commitment and helps you prepare for the true costs of homeownership.
Using the free calculators is for informational purposes only, does not constitute an offer to receive a loan, and will not solicit a loan offer. Any payments shown depend on the accuracy of the information provided.
Cost of Living in Oregon
The cost of living in Oregon impacts home affordability. Oregon’s cost of living index is 111.8 out of 100, according to MERIC, which is 11.8% above the national average. Housing costs are 22% higher, utilities are 3-4% lower, and transportation is 26% higher than the national average. All of these factors should be considered when determining how large of a loan you can comfortably afford.
You can use a home affordability calculator to get a general idea of what you can afford based on your income and current debts.
Tips on Reducing Your Jumbo Loan Payment
Even if the area of Oregon that you want to live in necessitates a jumbo mortgage, there are ways to make your mortgage payment more affordable.
• Increase your down payment to reduce the loan amount and potentially lower your interest rate.
• Negotiate closing costs with the seller to reduce upfront expenses.
• Consider an adjustable-rate mortgage (ARM) for possibly a lower initial interest rate, but be prepared for potential rate increases.
• Modify your loan terms in the event of financial hardship to make payments more manageable.
• Extend the term of your loan by refinancing your mortgage, though this increases total interest paid.
• Shop around for different lenders to find the best rates and terms.
The Takeaway
When considering a high-value home in Oregon, an Oregon jumbo loan calculator can help you estimate monthly payments, total interest paid, and the impact of varying down payment amounts and loan terms. Knowing these numbers allows you to make well-informed decisions about your significant home purchase, ensuring the financial commitment remains within your budget and aligns with your long-term financial goals.
When you’re ready to take the next step, consider what SoFi Home Loans have to offer. Jumbo loans are offered with competitive interest rates, no private mortgage insurance, and down payments as low as 10%.
SoFi Mortgages: We make mortgage loan applications smart and simple.
A jumbo loan is defined as a mortgage exceeding the conforming loan limits. For 2025, the limit for a single-family home is $806,500 in Oregon. Higher limits apply in certain high-cost areas of the U.S.
Is $900,000 a jumbo loan?
Yes, a $900,000 mortgage is generally considered a jumbo loan in most areas. In 2025, the conforming loan limit for a single-family home is $806,500. Higher limits apply in certain high-cost areas.
Do you need 20% for a jumbo loan?
While a 20% down payment is always welcome, some lenders accept as low as 10%. A larger down payment can improve loan terms and lower monthly payments.
What credit score is needed for a jumbo loan?
Qualifying for a jumbo loan often requires a credit score of 700 or above, with some lenders preferring 740. A strong credit score demonstrates creditworthiness and reduces risk to the lender. Steps to build your credit score include paying down debts and making timely payments.
How do you get the best rate on a jumbo loan?
To secure the best interest rate on a jumbo loan, build your credit score, increase your down payment to at least 20%, and shop around for lenders who specialize in jumbo loans. Consider locking in your interest rate once you find a favorable offer.
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*SoFi requires Private Mortgage Insurance (PMI) for conforming home loans with a loan-to-value (LTV) ratio greater than 80%. As little as 3% down payments are for qualifying first-time homebuyers only. 5% minimum applies to other borrowers. Other loan types may require different fees or insurance (e.g., VA funding fee, FHA Mortgage Insurance Premiums, etc.). Loan requirements may vary depending on your down payment amount, and minimum down payment varies by loan type.
Financial Tips & Strategies: The tips provided on this website are of a general nature and do not take into account your specific objectives, financial situation, and needs. You should always consider their appropriateness given your own circumstances.
Checking Your Rates: To check the rates and terms you may qualify for, SoFi conducts a soft credit pull that will not affect your credit score. However, if you choose a product and continue your application, we will request your full credit report from one or more consumer reporting agencies, which is considered a hard credit pull and may affect your credit.
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