Insulation in Alfred, Maine

Insulation and air sealing in Alfred

Alfred runs to about 27 square miles and roughly 3,125 people. It sits about 27 miles southwest of downtown Portland. Around 1,400 housing units sit inside those boundaries. The community dates back to 1808. We cover ZIP code 04002.

No completed job in Alfred is logged in our records yet, and this page will say so until one is.

The housing stock in Alfred

The typical home in Alfred dates to around the early-1980s. Houses of this vintage usually got batts or blown fiber at whatever the standard of the day was, which is well short of what is recommended now. Most are one top-up away from being right.

We work across Alfred rather than one corner of it — Alfred Village, Alfred Mills, North Alfred and Shaker Hill included. Construction and vintage change between them, sometimes by thirty years and a whole different framing method, which decides whether a wall can be dense-packed at all.

Alfred has been the county seat of York County since 1806, and its village center is the Alfred Historic District, with 48 houses along the Kennebunk and Saco roads. The Alfred Shaker Historic District on Shaker Hill and part of the Massabesic Experimental Forest are also in town, and the Great Fires of 1947 burned 4,500 acres of its woodland and two homes.

Alfred homes in the Census numbers

The Census Bureau estimates 1,400 homes in Alfred. 262 of them (19%) went up before 1940 — 28th of 64 places on this site for pre-1940 housing. More of today's homes date from before 1940 than from any single decade since, and 46% predate 1980. For York County as a whole the pre-1940 share is 20%, so Alfred sits below it.

Of 1,215 occupied homes, 1% heat with utility gas and 6% with electricity; another 13% burn propane or other tank gas. Electric heat here is less common than across the county (10%), and ranks 48th of 64 on this site. The heating fuel does not change the Efficiency Maine rebate, but it does change what each inch of insulation is worth, which is why the boiler, furnace or heat pump is the first thing an assessment looks at.

82% of occupied homes are owner-occupied and 74% of all homes are single-family detached houses, with 163 mobile homes in the count. On a housing mix like this, the likely starting points are the attic, which is where most houses here start.

1,400 homes, Census ACS 2020–2024 (B25034, B25040, B25003); 1,215 occupied.

Sealing comes first in Alfred

350 of Alfred's 1,400 homes (25%) were built in the 1980s and 1990s. The gaps in houses of that age are the parts nobody sealed: batts stuffed into the rim joist, bare spots over cathedral and tray ceilings, soffit vents buried with no baffles, can lights punched through the ceiling plane. A top-up plus a day of sealing usually covers it.

What the energy code requires in Alfred

Alfred enforces the Maine Uniform Building and Energy Code (2021 IECC with Maine amendments). Alfred adopted the state code at its March 31, 2012 town meeting, with later changes (Chapter 88); its application still names the 2015 edition, while the 2021 editions have applied since April 7, 2025. With 3,073 residents the town chose to enforce the code.

Under that edition the required attic value for new work here is R-60, and walls R-30, or R-20 + R-10 continuous, or R-13 + R-15 continuous, or R-20 continuous. For comparison, the Department of Energy recommends R60 for an uninsulated attic in climate zone 6A, where Alfred sits, and R49 where there are already a few inches up there.

The 2021 IECC, Table R402.1.3, zone 6, as amended by Maine's energy rule, 08-003 C.M.R.

Do you need a permit to insulate here?

Nothing Alfred publishes settles this. Its permit lists name the work types it cares about, and insulation is not among them in either direction. Alfred's code page exempts some replacement work that needs no structural change, after consulting the Code Enforcement Officer. So we ask the department directly before the first day on site, and whatever comes back, pulling it is our job rather than yours.

Permits and inspections in Alfred

The published number is 207-324-5872. The department page is here.

Permitting is on us, not on you.

Rebates an Alfred homeowner can actually use

In Alfred, 65% of occupied homes heat with fuel oil or kerosene, 13% with propane or other tank gas and 6% with electricity (Census ACS 2020–2024). Efficiency Maine pays the same rebates in Alfred as anywhere else in the state: $2,000 per attic, wall or basement zone with 500 square feet or more insulated at any income, $3,000 for a verified moderate-income household and $4,000 for a low-income one, plus $150 to $300 for sealing the attic's air leaks. Only a Residential Registered Vendor can do rebated work, the claim goes in within six months, and a lifetime limit of $8,600 per home applies. Income-qualified households in York County can apply to York County Community Action Corp (207-324-5762) for free weatherization through MaineHousing instead. Every condition is in the rebate guide. The York County page compares the towns.

Nearby

Alfred borders Sanford, Kennebunk, Lyman, Waterboro and Shapleigh. These are the ones we also cover, each with its own energy code and permit rule:

Elsewhere in York County we also cover:

How Alfred compares with its neighbors

Maine sets the residential energy code statewide, so the attic figure is R-60 wherever it is published here; what changes is the permit desk, and none of the 7 publishes a permit rule for insulation.

All 29 York County jurisdictions side by side →

Common questions about insulation in Alfred

Code and permit facts checked October 24, 2026, rebates October 24, 2026; housing: Census ACS 2020–2024. Sources: alfredme.gov (2, 3) · ecode360.com (2, 3, 4) · maine.gov (2) · legislature.maine.gov · www2.census.gov (2, 3) · en.wikipedia.org (2) · prd-tnm.s3.amazonaws.com · efficiencymaine.com (2, 3, 4) · energystar.gov · data.census.gov. These change; confirm with the building department at 207-324-5872 or Efficiency Maine at 866-376-2463 first.