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Maine HELOC Calculator

View Your Rate

Estimate the interest only payment, the repayment period payment and what a prime rate change does to a Maine HELOC, prefilled with the MonitorBankRates Maine average HELOC rate and the median Maine home value, with verified lender rates one click away. Rate data as of September 24, 2026.

The Maine HELOC calculator estimate for a $50,000 home equity line of credit balance at today's MonitorBankRates Maine average HELOC rate of 6.63% is an interest only payment of about $276 a month during a 10 year draw period, rising to about $377 a month once a 20 year repayment period begins, or $318 interest only if the prime rate rises one point, verified by MonitorBankRates as of September 24, 2026.

Lenders serving Maine currently advertise HELOC rates from 4.99% to 5.75% across the 5 offers listed below. This calculator starts from Maine numbers: the MonitorBankRates Maine average HELOC rate and the Census median home value are already filled in. Enter the balance you expect to carry, test a rate change, or click a verified lender rate in the panel below to see the payments at that offer. The same $50,000 as a fixed rate home equity loan at the Maine average of 7.15% costs $454 a month over 15 years; see the Maine home equity loan calculator.

MBR avg HELOC rate
6.63%
MonitorBankRates Maine average (U.S. 6.78%)
MBR avg home equity loan rate
7.15%
MonitorBankRates Maine average
Median home value
$296,600
U.S. Census Bureau
Equity at a 55% mortgage balance
$133,600
on the median home, sample balance
Max line at 80% CLTV
$74,300
$89,100 at 85%
MBR affordability index
Rank 32 of 51 (100 = U.S. average)

Use the home value for a Maine city

Loads the median home value for the city into the equity check. The rate stays at the MonitorBankRates Maine average.

Maine HELOC Payment Estimator

Prefilled with the MonitorBankRates Maine average HELOC rate and the median Maine home value. Results update as you type.

Line of credit
The balance you expect to carry. Interest is charged only on what you draw.
Today's MonitorBankRates average HELOC rate in Maine.
Interest only during the draw period.
How far prime might move.
Equity check
Median home value in Maine (Census).
Sample balance (55% of value). Enter what you owe.
Monthly Payment During the Draw Period
$0
Repayment period payment
$0
If the rate changes
$0
Interest During Draw
$0
Interest During Repayment
$0
Total Interest
$0
Max Line at 80% CLTV
$0

Monthly payment over the life of the line

Year by year

YearPhaseMonthly PaymentInterest PaidEnding Balance

Current Maine Average HELOC Rates

Today's MonitorBankRates Maine averages first, then the lowest verified HELOC offers from lenders serving Maine. Click any rate to run it through the calculator.

HELOC rates are variable and may reflect an introductory period. Verified by MonitorBankRates as of September 24, 2026. See every offer on the Maine home equity rates page.

HELOC Offers in Maine and the Interest Only Payment on $50,000

Interest only payment on a $50,000 balance at each lender's current HELOC rate, from rate sheets published by the lender and verified by MonitorBankRates. Some rates are introductory; check the lender's terms for the rate after the intro period.

Compare every HELOC and home equity loan, local banks and credit unions first, on the Maine home equity rates page.

View Your Maine HELOC Rate

Personalized HELOC and home equity loan quotes from lenders serving Maine.

What a HELOC Costs in Maine Right Now

$50,000 HELOC balance, 10 year draw, 20 year repaymentRateInterest onlyRepayment
Prime down 2 points4.63%$193$320
Prime down 1 point5.63%$234$348
MonitorBankRates Maine average today6.63%$276$377
Prime up 1 point7.63%$318$407
Prime up 2 points8.63%$359$438
Prime up 3 points9.63%$401$470

If the rate never changed, the $50,000 balance would cost about $73,503 in interest over the 30 year life of the line. The Maine average of 6.63% is below the U.S. average of 6.78%, a difference of about $6 a month in interest only payments on $50,000. The same $50,000 as a fixed rate home equity loan at the Maine average of 7.15% costs $454 a month over 15 years, higher than the interest only payment but with the balance paid off and no rate risk. Existing HELOC rates change with the prime rate. Rates change daily; every figure on this page is recalculated when it loads from the current MonitorBankRates Maine average.

HELOC Payments by Balance in Maine

At the MonitorBankRates Maine average of 6.63%, 10 year draw and 20 year repayment. The last column shows whether the balance fits under an 80% combined loan to value limit on the median Maine home with a $163,000 first mortgage.

BalanceInterest only paymentRepayment paymentFits 80% CLTV on the median home
$25,000$138$188Yes
$50,000$276$377Yes
$75,000$414$565No, max about $74,300
$100,000$552$753No, max about $74,300
$150,000$828$1,130No, max about $74,300
$200,000$1,105$1,506No, max about $74,300

HELOCs and Home Equity in Maine

How large a line you can get. The median Maine home is worth about $296,600. A homeowner who still owes 55% of that, $163,000, has $133,600 in equity. At the 80% combined loan to value cap most Maine banks and credit unions use, the largest credit line is about $74,300; lenders that allow 85% go to about $89,100. The line limit is not the balance: interest is charged only on what you draw.

Prime plus margin. HELOC rates in Maine are quoted as the prime rate plus a margin that depends on your credit and equity. When the Federal Reserve moves its target rate, banks move prime within days and your payment changes on the next cycle. Each one point move changes the interest only payment on $50,000 by about $42 a month. Many lenders advertise a low introductory rate for 6 to 12 months; run the calculator with the rate that applies afterward.

Home values and affordability. Maine scores 94.8 on the MBR Housing Affordability Index, ranking 32 of 51 states where 100 is the national average and higher is more affordable. See the Maine housing affordability page for the trend in home values that drives available equity.

How to Use the Maine HELOC Calculator

  • Start from the Maine defaults

    The rate is today's MonitorBankRates Maine average HELOC rate and the home value is the state median. Pick a city above if we track one near you.

  • Enter the balance you expect to carry

    Interest is charged only on what you draw. Set the draw and repayment periods to match the lender's terms; 10 and 20 years is the most common structure.

  • Click a verified lender rate and test a rate change

    The panel lists the lowest current HELOC offers from lenders serving Maine. Then enter how far prime might move to see both payments at that rate.

  • Check your equity

    Enter your mortgage balance to see the largest line most lenders would approve at an 80% combined loan to value limit.

Frequently Asked Questions About HELOCs in Maine

What is the average HELOC rate in Maine today?

The MonitorBankRates Maine average HELOC rate is 6.63% as of September 24, 2026, and the average home equity loan rate is 7.15%, computed every day from rates published by banks and credit unions lending in Maine. Individual lenders currently advertise HELOC rates from 4.99% to 5.75%, so compare offers on the Maine home equity rates page.

How much is the payment on a $50,000 HELOC in Maine?

At the MonitorBankRates Maine average of 6.63%, a $50,000 HELOC balance costs about $276 a month interest only during a 10 year draw period. When a 20 year repayment period begins the payment rises to about $377 a month. If the prime rate rises one point the interest only payment becomes $318.

Why does a HELOC payment jump after the draw period?

During the draw period most Maine lenders require only interest, so the balance never falls. When repayment begins the full balance is amortized over the repayment period, which adds principal to every payment. On $50,000 at 6.63% that is a move from $276 to $377 a month. Paying principal during the draw period or refinancing into a fixed rate home equity loan before the draw period ends avoids the jump.

How much can I borrow on a HELOC in Maine?

Most Maine lenders cap combined loan to value at 80%, some at 85% or 90%. On the median Maine home worth $296,600 with a $163,000 mortgage, that allows a line of up to about $74,300 at 80% or $89,100 at 85%. Lenders also review your credit score and debt to income ratio.

HELOC or home equity loan in Maine?

A HELOC suits expenses spread over time and carries a variable rate and a payment jump after the draw period. A home equity loan pays a lump sum at a fixed rate with a fixed payment. Today the MonitorBankRates averages are 6.63% for Maine HELOCs and 7.15% for home equity loans; $50,000 costs $276 a month interest only on a HELOC versus $454 as a 15 year fixed loan. Existing HELOC rates change with the prime rate; home equity loan rates do not.

Do Maine HELOCs have fees?

Many banks and credit unions charge no closing costs on a HELOC but require the line to stay open two or three years to avoid an early closure fee. Others charge an appraisal, origination or annual fee. Introductory rates for the first 6 to 12 months are common; the calculator should use the rate that applies afterward.

What credit score do I need for a HELOC?

Most lenders want a score of at least 620 to 680, with the lowest margins over prime going to borrowers above 740. Lenders also want a debt to income ratio under about 43% counting the new payment, and enough equity to stay under their combined loan to value cap.

The Maine HELOC calculator and its results are provided as a self help tool. Monitor Bank Rates LLC cannot and does not guarantee the accuracy. HELOC rates are variable; results assume the rate you enter stays constant except in the scenario you choose. Draw and repayment terms, fees, lending limits and rates vary by lender. Lender rates are as published by each institution on the date shown and are subject to change.