Insulation in Buxton, Maine

Insulation and air sealing in Buxton

Buxton runs to about 40 square miles and roughly 8,512 people. It sits about 14 miles west of downtown Portland. There are around 3,943 housing units here. The community dates back to 1772. We cover ZIP codes 04093 and 04004.

We have not logged a completed job in Buxton yet. We would rather say so than put a number on this page that is not real.

The housing stock in Buxton

The typical home in Buxton 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 Buxton rather than one corner of it — Bar Mills, West Buxton, Buxton Center, Groveville, Salmon Falls, Tory Hill, Chicopee, Kimbles Corner, Emory Corner and Roberts 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.

Buxton, incorporated in 1772, grew as a string of mill villages at the falls of the Saco River, including Salmon Falls, Bar Mills and West Buxton at Moderation Falls, and that mill-era prosperity left behind fine older architecture. Bonny Eagle Pond, 211 acres, lies in the northern part of town.

Buxton homes in the Census numbers

The Census Bureau estimates 3,943 homes in Buxton. 750 of them (19%) went up before 1940 — 29th 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 49% predate 1980. For York County as a whole the pre-1940 share is 20%, so Buxton sits below it.

Of 3,431 occupied homes, 0% heat with utility gas and 5% with electricity; another 9% burn propane or other tank gas. Electric heat here is less common than across the county (10%), and ranks 50th of 64 on this site. Whoever comes out will ask what heats the house first: the rebate is the same on any fuel, but the saving is not.

80% of occupied homes are owner-occupied and 78% of all homes are single-family detached houses, with 332 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.

3,943 homes, Census ACS 2020–2024 (B25034, B25040, B25003); 3,431 occupied.

Sealing comes first in Buxton

1,059 of Buxton's 3,943 homes (27%) 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 Buxton

Buxton enforces the Maine Uniform Building and Energy Code (2021 IECC with Maine amendments). Buxton's Building Code FAQ names the 2021 IECC with the 2021 state code, and a town notice of March 11, 2025 says enforcement of the updated code began April 7, 2025.

For new work, the attic number under that edition is R-60, with walls at R-30, or R-20 + R-10 continuous, or R-13 + R-15 continuous, or R-20 continuous. Set that against the Department of Energy, which recommends R60 for an uninsulated attic in this climate zone and R49 for one that already has a few inches.

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?

Buxton publishes no answer either way. Insulation and air sealing appear on neither the permit-required list nor the exempt list. Section 5.5 of Buxton's Zoning Ordinance exempts work of $2,500 or less in total, and siding, window and flooring replacement with no structural change, outside Special Flood Hazard Areas; a larger insulation job is not named either way. We confirm it with the department before we start and pull whatever is needed. We would rather write that here than guess on your behalf.

Permits and inspections in Buxton

The published number is 207-929-3046. The department page is here.

Permitting is on us, not on you.

Rebates a Buxton homeowner can actually use

74% of the occupied homes in Buxton burn fuel oil or kerosene for heat, 5% use electricity and 9% propane or other tank gas (Census ACS 2020–2024). For Buxton homeowners the rebate is Efficiency Maine's: $2,000 for each attic, wall or basement zone of 500 square feet or more at any income ($3,000 moderate, $4,000 low income), with $150 to $300 for attic air sealing on top. 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

Buxton borders Gorham, Scarborough, Saco, Dayton, Hollis and Standish. These are the ones we also cover, each with its own energy code and permit rule:

Elsewhere in York County we also cover:

How Buxton 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 Buxton

Code and permit facts checked October 24, 2026, rebates October 24, 2026; housing: Census ACS 2020–2024. Sources: buxton.me.us (2, 3, 4, 5, 6, 7) · maine.gov (2) · en.wikipedia.org (2) · www2.census.gov (2) · prd-tnm.s3.amazonaws.com · efficiencymaine.com (2, 3, 4) · energystar.gov · data.census.gov. These change; confirm with the building department at 207-929-3046 or Efficiency Maine at 866-376-2463 first.