Long Term Savings with a Shorter Term Mortgage - 9/3/2025

When financing a home, the 30-year fixed-rate mortgage is often the go-to option because of its lower monthly payment. But for buyers who can comfortably afford a higher payment, the 15-year mortgage deserves a closer look and may lead to significantly greater financial rewards over time.

Let's compare two scenarios based on a $360,000 mortgage with current rates:

  • 30-year mortgage at 6.58%
    Principal and interest: $2,294.42/month
  • 15-year mortgage at 5.69%
    Principal and interest: $2,977.92/month

At first glance, the 15-year loan costs about $684 more per month. But when you look at where that money is going, and what it saves you, it starts to make a compelling case.

Interest Savings and Faster Equity Build-Up

The key difference lies in how much of your payment goes toward the principal balance. With the 15-year loan, you pay less interest over time and you pay it off faster.

After 10 years:

  • On the 30-year loan, you'd still owe $305,804.
  • On the 15-year loan, your balance would be just $155,189 - almost half.

That means you've paid down far more of the loan and built significantly more equity in your home, which increases your financial flexibility and net worth.  Paying an extra $684 per month for 10 years adds up to $82,080, but the 15-year mortgage reduces the loan balance by $150,615 more than the 30-year option, resulting in a net equity gain of nearly $68,535.

Other Long-Term Advantages

  • Lower total interest paid: Over the life of the loan, you'll save tens of thousands of dollars.
  • Faster path to mortgage-free living: Paying off your home in 15 years frees up your budget sooner and reduces long-term financial stress.
  • Equity growth: Greater equity gives you more options for future borrowing, renovations, or downsizing with more cash in hand.

Yes, the 15-year loan requires a higher monthly payment, but if it fits your budget, the long-term benefits are hard to ignore. You'll save substantially on interest, build equity faster, and own your home outright in half the time.

Before locking in a mortgage, run the numbers and talk to your lender. If you can manage the higher payment, the 15-year loan could be one of the best financial moves you make.  We'd be happy to run an analysis for you or go to our 15-yr vs. 30-yr comparison.

Madolyn Greve, Global Real Estate Sales Broker Associate ABR, AHWD, CNE, CRS, e-PRO, GREEN, SRS, SRES Callaway Henderson Sotheby's International Realty Princeton, NJ (609) 462-2505 MadolynGreve@CallawayHenderson.com 8644010 Madolyn Greve Global Real Estate Sales Broker Associate Callaway Henderson Sotheby's International Realty Princeton Office 4 Nassau Street, Princeton, NJ 08542 MadolynGreve@CallawayHenderson.com, Text/Call: 609-462-2505 "Your Trusted Real Estate Advisor for the Greater Princeton Area" I enjoy the process of listening to my clients' needs and educating and advising them to move forward with decisions that are beneficial to their goals achieving List Price vs. Sales Price 98.11% in the past 25 years. I am loyal and present throughout the entire real estate transaction whether representing a buyer, seller, tenant, or landlord. It is my priority to remain knowledgeable and familiar with the ever changing real estate market in order to provide top-quality service. My desire is to provide gracious and personal customer service assisted with today's cutting edge technology. Through my actions it is apparent that I covet my reputation and exhibit a strong desire to guide you with honesty and integrity. I practice real estate full time in New Jersey and have held a real estate Certifications & Designations ABR, AHWD, CNE, e-PRO, CRS, GREEN, SRS, SRES Broker Sales Associate, ABR, Accredited Buyer Representative®,AHWD, At Home with Diversity, CRS, Certified Residential Specialist, Council of Residential Specialists, GREEN, The Green Resource Council, SRS, Seller Representative Specialist, The Council of Real Estate Brokerage Managers, SRES, Seniors Real Estate Specialist® The SRES Council. Awards: I am honored to be recognized as a FIVE STAR real estate agent receiving the Professional Exceptional Service Award for 13 years through the votes of my clients. My Community Involvement: The Princeton Mercer Regional Chamber of Commerce, The National Association of Realtors, The Nassau Club of Princeton, The Present Day Club of Princeton, The Junior League of Greater Princeton, Chi Omega Fraternity and The Nassau Presbyterian Church.I I have owned my home in the "Littlebrook Area" of Princeton for the past 35 years. I happily reside with my Coton de tulear, Bentley Winston. Contact Me Visit my Website Send a Referral Subscribe to Newsletter