Mortgages
Buying a home is a significant step on your financial journey, and we’re here to help you every step of the way! Connect with a Mortgage Loan Officer to learn about the best loan options for your unique situation, including our Mortgage Relationship Pricing Program for eligible Personal Banking customers.
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Fixed Rate Mortgages1
For homeowners seeking a predictable loan payment that does not fluctuate with interest rate changes and plan to stay in their home awhile. We offer a variety of different terms to meet your individual needs.
Interest rate stays the same for the life of the loan
A longer term loan allows you to establish a lower monthly payment
A shorter term loan allows you to pay off your loan faster.
Fixed Rate Mortgage Rates1 Effective as of: August 20, 2026
TERM DESCRIPTION RATE POINTS APR5 # OF MONTHLY PAYMENTS MONTHLY PAYMENT PER $1,000 BORROWED 30 Year Fixed Rate2 Conforming 6.500% 0.000 6.556% 360 $6.32 20 Year Fixed Rate2 Conforming 6.625% 0.000 6.699% 240 $7.53 15 Year Fixed Rate2 Conforming 6.375% 0.000 6.465% 180 $8.64 10 Year Fixed Rate2 Conforming 6.375% 0.000 6.501% 120 $11.29 30 Year Fixed Rate3,4 Jumbo 6.750% 0.000 6.800% 360 $6.49 20 Year Fixed Rate3,4 Jumbo 6.625% 0.000 6.689% 240 $7.53 15 Year Fixed Rate3,4 Jumbo 6.250% 0.000 6.327% 180 $8.57 10 Year Fixed Rate3,4 Jumbo 6.125% 0.000 6.232% 120 $11.16 Payment amounts on the above products do not include taxes and insurance. Your payments may be greater.
To learn more, please visit a branch or give one of our mortgage loan officers a call.
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Adjustable Rate Mortgages (ARM)7
This type of mortgage is best suited for homeowners who are looking to maximize an initial lower monthly payment or plan to move in a few years.
Interest rate and monthly principal and interest payment stays the same for an initial period of time (such as 5, 7, or 10 years) then your payment will move up or down semi-annually as interest rates fluctuate (the variable portion)
The interest rate at the beginning of the loan may be lower than a fixed rate mortgage
Adjustable Rate Mortgages (ARM)6 Effective as of: August 20, 2026 PRODUCT DESCRIPTION TERM INITIAL INTEREST RATE FULLY INDEXED RATE POINTS APR9 MONTHLY PAYMENT PER $1,000 BORROWED 5/6 ARM7 Conforming 30 years 6.625% 6.375% 0.000 6.531% 60 payments of $6.40
300 payments of $6.265/6 ARM7,8 Jumbo 30 years 5.750% 6.375% 0.000 6.174% 60 payments of $5.84
300 payments of $6.197/6 ARM7 Conforming 30 years 6.125% 6.375% 0.000 6.300% 84 payments of $6.08
276 payments of $6.217/6 ARM7,8 Jumbo 30 years 5.875% 6.375% 0.000 6.164% 84 payments of $5.92
284 payments of $6.1810/6 ARM7 Conforming 30 years 7.000% 6.375% 0.000 6.853% 120 payments of $6.65
240 payments of $6.3410/6 ARM 7,8 Jumbo 30 years 6.500% 6.375% 0.000 6.506% 120 payments of $6.32
240 payments of $6.26Payment amounts on the above products do not include taxes and insurance. Your payments may be greater.
To learn more, please visit a branch or give one of our mortgage loan officers a call.
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Affordable and First Time Home Buyer Programs
Sometimes customers have unique borrowing needs; our loan officers are equipped with additional programs and have the expertise to help you find the solution that may fit your needs. We offer both financing options and educational assistance to make the process easy for first time home buyers.
Variety of programs offered, including those for first time home buyers seeking affordable loan options
CSB Home Achieve is an affordable loan option with competitive fixed rates and no borrower-paid private mortgage insurance for those who qualify
CSB 100 includes up to 100% Financing with no Private Mortgage Insurance (PMI) for those who qualify
Massachusetts Housing Partnership ONE/ONE+ Mortgage Programs and MassHousing Finance Agency mortgages include low fixed-rate financing for those who qualify
Your Mortgage Journey financial education videos feature CSB mortgage loan officers walking through different steps in the mortgage process.
To learn more, please visit a branch or give one of our mortgage loan officers a call.
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See Full Terms & Disclosures
Other Mortgage Programs
Construction Loans
Planning a major home improvement? Our construction loans are designed for projects that impact your primary residence's existing structure, including changes to the roof line and footprint. We can include the value of your new addition when underwriting the loan to help finance the entire project.
Bridge Loans
A bridge loan provides short-term financing to help you purchase a new home before selling your current one. This temporary loan "bridges" the gap between buying and selling, giving you the flexibility to make a competitive offer without a home sale contingency.
Combination Mortgages
A combination mortgage (also called a "piggyback loan" or 80-10-10 loan) uses two separate loans to finance your home purchase. Typically structured as a primary mortgage covering 80% of the home's value and a second loan covering 10%, allowing you to put down just 10% while avoiding private mortgage insurance (PMI).
Not sure if Other Mortgage Programs is right for you? We’ll help you find what is!
Ready to Get Started?
Start your Mortgage journey with CSB!
Start Application Now
Fixed Rate Mortgages Disclosure
1 All rates subject to change without notice. Payment amounts on the above products do not include taxes and insurance. Your payments may be greater.
2 Conforming Fixed rates above are based upon a loan amount of $750,000, 1-unit, primary residence, purchase with a loan to value of 75% or less and FICO Score 780 or greater for a 60-day rate lock period. Rates may vary based on other scenarios.
3 Jumbo Fixed rates above are based upon a loan amount of $1,000,000 for a 1-unit, primary residence, purchase with a loan to value of 80% or less and FICO Score 780 or greater for a 60-day rate lock period. Rates may vary based on other scenarios.
4 High Balance County loan limits may be restricted.
5 Annual Percentage Rate (APR) is based on a primary residence property. All rates subject to change without notice. Subject to credit approval. The interest on the portion of the credit extension that is greater than the fair market value of the dwelling is not tax deductible for federal income tax purposes; and the consumer should consult a tax adviser for further information regarding the deductibility of interest and charges.
Adjustable Rate Mortgages (ARM) Disclosures
Adjustable Rate Mortgage Rates are based on a 1-unit, primary residence, purchase with a loan amount of $750,000 for Conforming or a loan amount of $1,000,000 for Jumbo, a loan to value of 75% or less and FICO Score 780 or greater for a 60-day rate lock period. Rates may vary based on other scenarios. All rates subject to change without notice. Subject to credit approval. The interest rate on adjustable rate programs may increase after the initial period. The fully-indexed rate is equal to a margin plus the index. Please ask us about the current index and margin for these products.
6 All rates subject to change without notice. Payment amounts on the above products do not include taxes and insurance. Your payments may be greater.
7 The adjustable rate programs are based on a 30-year term. The rate may increase after the initial period.
8 High Balance County loan limits may be restricted.
9 Annual Percentage Rate (APR) is based on a primary residence property. All rates subject to change without notice. Subject to credit approval. The interest on the portion of the credit extension that is greater than the fair market value of the dwelling is not tax deductible for federal income tax purposes; and the consumer should consult a tax adviser for further information regarding the deductibility of interest and charges.