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New Report Fall 2026 Housing Affordability Report: every state is less affordable than in late August as average 30-year mortgage rates passed 7%. Read the report

Grand Isle, ME Housing Affordability Index

Grand Isle, Maine has an MBR Housing Affordability Index score of 143.2 (Highly Affordable) as of October 30, 2026, ranking 22nd most affordable of 128 scored Maine cities, compared with 95.4 statewide and 97.4 nationally. On a median-priced $82,200 home with 20% down, the Maine average 30-year fixed rate of 7.19% means a monthly principal and interest payment of about $446, or 15% of the city’s $35,156 median household income.

The MBR Housing Affordability Index (MBR-HAI) for Grand Isle is updated every night from live Maine mortgage rates and U.S. Census Bureau income, home value and housing cost data for the city. A score of 100 equals the national average; higher scores mean homeownership is more affordable.

Grand Isle MBR-HAI 143.2 Highly Affordable
Rank in Maine 22 of 128 1 = most affordable
Maine 95.4 Statewide score
National 97.4 100 = baseline
Avg 30-yr rate 7.19% Maine lenders
Median home value $82,200 U.S. Census Bureau

Grand Isle is 47.8 points above the Maine score. Scores as of October 30, 2026. See the Maine index

View Grand Isle Mortgage Rates

What It Takes to Buy in Grand Isle

$446/mo
Principal & Interest
Median home, 20% down, 7.19%
$19,100
Income Needed
To keep the payment at 28% of income
$35,156
Median Household Income
Maine: $74,733
2.3x
Price-to-Income Ratio
Maine: 4.0x
$600/mo
Median Owner Costs
Mortgage, taxes, insurance, utilities
$1,221/yr
Median Property Tax
1.49% of median value
16.1%
Owner Cost Burden
Owners spending 30%+ of income on housing
48.8%
Renter Cost Burden
Renters spending 30%+ of income on rent

Source: U.S. Census Bureau American Community Survey 5-Year Estimates (2024) for Grand Isle, Maine. The rate is the Maine average 30-year fixed rate from MonitorBankRates, since lenders publish rates by state.

Cite the Grand Isle Score

“MonitorBankRates (MBR) Housing Affordability Index, MonitorBankRates.com, October 30, 2026. Grand Isle, Maine score: 143.2 (Highly Affordable), ranked 22 of 128 Maine cities. monitorbankrates.com/housing-affordability-index/maine/grand-isle”