30-Year Fixed Mortgage Refinance Interest Rates in Boston, MA
Explore 30-year fixed mortgage refinance rates in Boston, MA over time.
6.629%6.63%
6.635%6.63%
Timeframe
Daily refinance averages provided by the Mortgage Research Center.
Compare mortgage rates in Boston, Massachusetts
Showing results for: 30-Year Fixed refinance offers for Single Family or Townhome properties in MA, total loan amount of $228,000.
| Lender | APR / Rate | Monthly Payment | |
|---|---|---|---|
Rate data provided by RateUpdate.com. Displayed by Mortgage Research Center, NMLS #1907, Equal Housing Opportunity. Rates and fees are estimates and subject to change without notice. Payments do not include taxes and insurance premiums. Actual payments may be higher. Not all lenders participate in this marketplace. Loan availability and terms may vary by state and lender. Lender offers, including badges like “Lowest APR” or “Lowest Payment,” are based only on results displayed here and may not reflect the absolute lowest offer available in the market. Rate and product details
What refinancing looks like in Boston at today's rates
The median home in Boston costs about $1,673,800. Refinancing a typical balance of $1,339,040 (80% of that value) at today's average 30-year fixed rate in Massachusetts of 6.63% works out to roughly $8,578/month in principal and interest, with $1,748,882 of total interest over the 30-year term.
Here is how the monthly payment and break-even point change if you wait for (or negotiate) a lower rate, assuming closing costs of $33,476 (2.5% of the loan):
| Rate | Monthly P&I | Monthly savings | Break-even |
|---|---|---|---|
| 6.63% (today) | $8,578 | — | — |
| 6.38% (−0.25%) | $8,357 | $221/mo | 152 months |
| 6.13% (−0.50%) | $8,140 | $438/mo | 77 months |
| 5.88% (−0.75%) | $7,924 | $654/mo | 52 months |
| 5.63% (−1.00%) | $7,712 | $866/mo | 39 months |
Estimates use principal and interest only and today's average Massachusetts rate; they exclude taxes, insurance, and rate differences from credit score or loan size.
Weighing the term itself? At today's Massachusetts average 15-year fixed rate of 5.71%, the same $1,339,040 balance costs $11,090/month over 15 years — $2,512/month more than the 30-year fixed option, but with $1,091,696 less interest paid over the life of the loan.
How Much Can I Save Refinancing to 30-Year in Boston?
In Boston's high-cost market with $1,673,800 median homes, even small rate drops create substantial savings. Refinancing $1,339,040 from 7% to 6% saves $881/month-$10,572annually. Over 30 years, that's $317k in interest savings. As a jumbo loan (above $1,249,125 in this area), shop multiple lenders as rate spreads vary significantly. Portfolio lenders and credit unions often offer competitive jumbo refi rates.
What Are 30-Year Refi Closing Costs in High-Cost Boston?
Closing costs on Boston's higher-value homes run $26,781-$40,171 (2-3% of loan amount). On $1,339,040, expect $33,476 including: appraisal ($600-900 for higher values), title insurance (scales with price), lender fees (0.5-1%), and escrow setup. Jumbo loans may have additional underwriting fees. However, large loan savings justify costs quickly-you break even in just 38 months at 7%→6%. Even a 0.5% drop on this loan size saves $160,200 over 30 years.
Should I Do Cash-Out 30-Year Refinancing in Boston?
Cash-out refinancing in Boston lets you access equity while maintaining low 30-year payments. With 14.8% appreciation, if your home grew from $1,673,800 to $1,841,180, you could access up to $133,904 while keeping 20% equity. Use cases: renovations that increase value, investment opportunities, consolidating high-interest debt. Cash-out rates are 0.25-0.5% higher than rate-and-term, but the 30-year term spreads costs over time. Remember: property taxes at 1.23% ($1,716/month) don't change when you refinance.
How Does the Mortgage Interest Deduction Affect Boston 30-Year Refis?
The mortgage interest deduction (limited to interest on $750,000 principal for post-2017 loans) provides tax benefits on Boston's higher-value mortgages. On a $1,339,040 30-year loan at 6%, you'll pay approximately $80,342 in interest the first year-but can only deduct interest on the first $750k. At 35% marginal tax rate, you save around $16k annually in taxes. When refinancing to 30-year, you reset amortization, paying more interest early (which is deductible). Consult a CPA about SALT cap implications with Boston's 1.23% property taxes.
Build Long-Term Stability with 30-Year Refinancing in Boston
Because Boston prices are so high, you are almost certainly dealing with Jumbo Loans. Refinancing requires optimizing your Loan-to-Value (LTV) ratio.
With values appreciating at 17.8%, your home is worth drastically more today. This drops your LTV naturally. If you own a historic brownstone and need to fund preservation or renovations, this massive equity gain is your ticket to a low-rate cash-out refinance.
Property Tax Tip for Boston Homeowners
A tax bill over $20k is a massive monthly escrow hit. When refinancing, rolling your closing costs into your new loan can free up the liquid cash you need to comfortably float those property tax assessments.
Massachusetts Refinance Programs for Boston Residents
If your income qualifies, explore MassHousing's state programs. Their unique products, like MIPlus payment protection, provide unparalleled security for borrowers navigating Boston's high cost of living.
How Boston compares across Massachusetts
Median home prices vary widely across Massachusetts, which changes what a typical refinance costs. Here is the estimated monthly principal and interest on a median-priced home (80% loan-to-value) at today's average 30-year fixed rate of 6.63%:
| City | Median home price | Est. monthly P&I | vs. Boston |
|---|---|---|---|
| Boston | $1,673,800 | $8,578 | — |
| Barnstable Town | $623,000 | $3,193 | −$5,385/mo |
| Woburn | $612,500 | $3,139 | −$5,439/mo |
| Lynn | $286,000 | $1,466 | −$7,112/mo |
Estimates use each city's median home price with the same statewide average rate; actual quotes vary by lender, credit profile, and loan size.