Insulation in Limington, Maine

Insulation and air sealing in Limington

Limington runs to about 42 square miles and roughly 4,017 people. It sits about 23 miles west of downtown Portland. That is roughly 1,742 housing units. The community dates back to 1792. We cover ZIP code 04049.

Our job history shows nothing in Limington so far. Plenty of sites will show you a number here anyway.

The housing stock in Limington

The typical home in Limington dates to around the mid-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 Limington rather than one corner of it — Limington Village, South Limington, North Limington, East Limington and Ruin Corner 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.

Limington, incorporated in 1792, sits in the far northeast corner of York County on the Saco and Little Ossipee rivers and is known for its historic architecture. Seven ponds lie in town, four in South Limington and three in North Limington, and Sawyer Mountain rises to about 1,200 feet.

Limington homes in the Census numbers

The Census Bureau estimates 1,742 homes in Limington. 125 of them (7%) went up before 1940 — 59th of 64 places on this site for pre-1940 housing. The 1970s were the busiest decade, adding 332 of today's homes (19%); 41% predate 1980 and 27% were built in 2000 or later. For York County as a whole the pre-1940 share is 20%, so Limington sits below it.

Of 1,598 occupied homes, 0% heat with utility gas and 5% with electricity; another 10% burn propane or other tank gas. Electric heat here is less common than across the county (10%), and ranks 52nd 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.

91% of occupied homes are owner-occupied and 89% of all homes are single-family detached houses, with 166 mobile homes in the count. With houses like these, the conversations we expect most are about the attic, which is where most houses here start.

1,742 homes, Census ACS 2020–2024 (B25034, B25040, B25003); 1,598 occupied.

Sealing comes first in Limington

560 of Limington's 1,742 homes (32%) 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 Limington

Limington enforces the Maine Uniform Building and Energy Code (2021 IECC with Maine amendments). Limington's zoning ordinance adopts the state code for building and electrical permits, and its code page names the 2021 building and residential codes, with local amendments kept at the office.

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 Limington 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?

There is no published answer for Limington. Neither the permit-required list nor the exemption list mentions insulation or air sealing at all. Limington requires a permit for construction, remodeling and structural alterations, while its zoning ordinance exempts repairs and maintenance that need no structural elements. That silence is not permission and it is not a prohibition. We settle it with a phone call before the crew is scheduled.

Permits and inspections in Limington

The published number is 207-637-5209. The department page is here.

Permitting is on us, not on you.

Rebates a Limington homeowner can actually use

In Limington, 71% of occupied homes heat with fuel oil or kerosene, 10% with propane or other tank gas and 5% with electricity (Census ACS 2020–2024). Efficiency Maine pays the same rebates in Limington 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. The work has to be done by an Efficiency Maine Residential Registered Vendor, and the attic has to start at R-21 or below and finish at R-49 or more. Income-qualified households in York County can apply to York County Community Action Corp (207-324-5762) for free weatherization through MaineHousing instead. The York County page and the rebate guide carry the full rules.

Nearby

Limington borders Baldwin, Standish, Hollis, Waterboro, Limerick and Cornish. These are the ones we also cover, each with its own energy code and permit rule:

Elsewhere in York County we also cover:

How Limington 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 1 of the 7 publishes a permit rule for insulation.

All 29 York County jurisdictions side by side →

Common questions about insulation in Limington

Code and permit facts checked October 24, 2026, rebates October 24, 2026; housing: Census ACS 2020–2024. Sources: limingtonmaine.gov (2, 3, 4) · legislature.maine.gov · www2.census.gov (2, 3) · maine.gov (2) · 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 207-637-5209 or Efficiency Maine at 866-376-2463 first.