30-Year Fixed Jumbo Mortgage Refinance Interest Rates in South Portland, ME
Explore 30-year jumbo mortgage interest rates in South Portland, ME over time.
7.573%7.57%
7.595%7.59%
Timeframe
Daily refinance averages provided by the Mortgage Research Center.
Compare mortgage rates in South Portland, Maine
Showing results for: 30-Year Fixed refinance offers for Single Family or Townhome properties in ME, total loan amount of $800,000.
| 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 South Portland at today's rates
2018–2022 ACS median owner-occupied home value for ZCTA 04106: $357,900. This is not a current citywide sale price or a valuation of your property. Census home-value source. Maine statewide house prices changed 3.2% over four quarters, using the FHFA state house-price index via FRED. This historical state measure is not city growth, a property valuation, or a forecast. Property-tax examples use a statewide planning assumption, not your local tax bill. Data retrieved 10/11/2026; retrieval does not change the observation period.
This is a payment illustration using a statewide jumbo rate. The example balance may qualify for conforming financing instead; obtain a quote for the actual loan amount and property county.
For an illustrative home value of $357,900, an example refinance balance of $286,320 (80% of that value) at today's average 30-year jumbo rate in Maine of 7.57% works out to roughly $2,016/month in principal and interest, with $439,556 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 $7,158 (2.5% of the loan):
| Rate | Monthly P&I | Monthly savings | Break-even |
|---|---|---|---|
| 7.57% (today) | $2,016 | — | — |
| 7.32% (−0.25%) | $1,967 | $49/mo | 147 months |
| 7.07% (−0.50%) | $1,919 | $97/mo | 74 months |
| 6.82% (−0.75%) | $1,871 | $145/mo | 50 months |
| 6.57% (−1.00%) | $1,824 | $192/mo | 38 months |
Estimates use principal and interest only and today's average Maine rate; they exclude taxes, insurance, and rate differences from credit score or loan size.
The 2026 FHFA one-unit baseline conforming limit is $832,750. Higher limits apply in some locations. This example balance does not establish jumbo eligibility; check the property's county and number of units using the FHFA loan-limit tables. For comparison, the average conforming 30-year rate in Maine is currently 7.49% versus 7.57% for jumbo loans.
When is a jumbo refinance worth considering in South Portland?
Compare your current loan with an actual lender offer, including the remaining term, closing costs, and how long you will keep the loan. A lower payment can come from extending repayment rather than reducing total cost. Statewide house-price growth does not establish your home value or guarantee savings.
Can refinancing remove PMI on my South Portland home?
A conventional refinance may avoid borrower-paid PMI if the new balance and lender-accepted value meet the loan requirements. Include financed closing costs in that balance. First ask your servicer whether you can cancel PMI on the existing loan without refinancing. FHA mortgage insurance and lender-paid insurance follow different rules; appreciation alone does not guarantee cancellation.
How should I compare jumbo refinance offers in South Portland?
Compare Loan Estimates for the same loan amount, term, rate-lock period, and treatment of points and lender credits. Compare lender-controlled charges separately from taxes, insurance, and prepaid expenses. A no-closing-cost offer can exchange upfront fees for a higher rate or larger balance.
How do I check equity and jumbo eligibility in South Portland?
Use your own payoff balance and the valuation accepted by the lender. Historical ZIP-area home values do not determine your equity. For one-unit properties in 2026, the FHFA baseline conforming limit is $832,750, with higher limits in certain locations. Check the property county and number of units; a high home price does not determine its county limit.
What changes when I choose a jumbo refinance?
Jumbo qualification and pricing vary by lender, balance, credit, and property. Compare real quotes rather than assuming jumbo rates are always higher. A balance above the baseline can still be conforming where a higher county limit applies.
Check the CFPB PMI cancellation guidance and FHFA county loan limits. Remove PMI without refinancing, compare Loan Estimates, or compare refinance costs in the calculator.
Check equity and eligibility for a jumbo refinance in South Portland
Estimate loan-to-value using your own mortgage payoff balance and the property value accepted by your lender. Include any financed closing costs or cash-out in the proposed balance. A historical statewide house-price index does not establish your property's equity.
Before paying to refinance for PMI savings, ask your servicer about cancellation on the existing loan. Compare ways to remove PMI without refinancing.
Property Tax Tip for South Portland Homeowners
Use your current tax bill and insurance premium when comparing total payments. Refinancing does not itself lower those charges. Escrow deposits and prepaid expenses affect cash needed at closing, and assessments and premiums can change afterward.
How South Portland compares across Maine
These ZIP-area home-value examples compare estimated monthly principal and interest across Maine. They use historical ACS values or illustrative fallback estimates, rather than current citywide prices (80% loan-to-value) at today's average 30-year jumbo rate of 7.57%:
| City | Example home value | Est. monthly P&I | vs. South Portland |
|---|---|---|---|
| South Portland (ZCTA / ZIP 04106) | $357,900 ACS 2018–2022 | $2,016 | — |
| Brunswick (ZCTA / ZIP 04011) | $316,200 ACS 2018–2022 | $1,781 | −$235/mo |
| Scarborough (ZCTA / ZIP 04074) | $463,000 ACS 2018–2022 | $2,608 | +$592/mo |
| Bangor (ZCTA / ZIP 04401) | $212,000 ACS 2018–2022 | $1,194 | −$822/mo |
Estimates use the listed ZIP-area values with the same statewide average rate; actual quotes vary by lender, credit profile, and loan size.