White two-story colonial house with black shutters, a center doorway and a green lawn
Cumberland County, Maine

Window and siding replacement in North Yarmouth

Replacement windows and new siding for homes in North Yarmouth. Here a re-side needs no permit, and a replacement window has to be U-0.30 or lower.

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What we do in North Yarmouth

North Yarmouth at a glance

Permit to re-side
Not required
Window, same opening
Not required
New or bigger opening: required
Window must meet
U-0.30 or lower
2021 IECC (statewide)
Built before 1980
45%
Homes in North Yarmouth, Census 2020–2024
People
4,240
Homes
1,612
Size
21.2 square miles
From downtown
About 13 miles north
ZIP codes
04097
Founded or incorporated
1680

An inland town north of Yarmouth whose one named village is Walnut Hill. Chartered in 1680, it once took in the land of today's Yarmouth, Cumberland, Freeport, Pownal and Harpswell, which split off between 1750 and 1849.

The houses in North Yarmouth

Before 194013%
1940–19598%
1960–197924%
1980–199933%
2000 or later23%

45% of the homes in North Yarmouth are older than 1980 and 13% older than 1940; the median one dates from 1983; 94% are detached houses and 87% of occupied homes are owner-occupied. A sizable share of homes here date from before 1980, the era the federal lead rule covers (homes built before 1978). What the lead rule requires of a contractor.

78% of the homes in North Yarmouth have three or more bedrooms. The median owned home is worth about $496,500 by its owner's estimate, the figure to weigh any siding or window quote against.

Half the homes in North Yarmouth were built before 1983, which makes its housing about 7 years newer than across Cumberland County as a whole (median 1976). Set against Cumberland County as a whole, owners live in 87% of occupied homes here against 70% county-wide, the median owner-estimated value is $496,500 here and $451,200 across the county and detached houses are 94% of the homes, above the county's 63%.

Rooms in the median home
6.8
Heated with gas / electricity
4% / 11%
Townhouses and other attached homes
1%
Homes in buildings of 2 to 4 units
5%
Homes in buildings of 5 or more units
0%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates (tables B25034, B25035, B25024, B25003, B25077, B25041, B25018 and B25040), read through Census Reporter. These are survey estimates, not a count of every house.

What that vintage turns up

The largest group of homes in North Yarmouth, 33% of them, was built in the 1980s and 1990s, so that is the house described here.

Double-glazed vinyl or clad wood windows with a nailing fin, many now thirty or forty years old. The common failure is the seal between the panes: once it lets go the glass fogs between the layers and the gas fill is gone. When the frames are still square and dry, new sealed glass in the old frame is the cheaper repair; when the frames are cracked or the sills are soft, it is time for the whole unit.

The capes, colonials and raised ranches of the subdivisions that spread across the commuter towns, sided in vinyl or cedar clapboard over plywood or particle-board sheathing, with felt paper or an early house wrap behind it. The siding itself usually holds up; what to look at is what water has done at the corners, around the windows and under any deck ledger fastened through the siding.

The one to watch on a house of this age

Windows of this era were often sealed to the wrap with caulk and little else. When the siding comes off, check the sheathing below each window's lower corners: that is where a failed caulk joint shows up first, as dark, soft wood.

And on the 24% built in the 1960s and 1970s

The bottom of the wall. Panel siding that runs down close to the ground soaks up water and snowmelt, and the rim joist and sill plate behind it rot unseen. On a converted camp, check whether there is any sheathing at all before anyone prices new siding as a simple swap.

Neighborhoods

We work across Walnut Hill.

Next door

North Yarmouth shares a boundary with Cumberland, Yarmouth, Pownal, Gray and New Gloucester.

Kitchen window with potted plants on the sill and a snowy yard outside

The rules in North Yarmouth

Siding replacement No permit

No, unless something structural changes. The town's code enforcement FAQ says plainly: "If there are no structural changes, you do not need a building permit."

Window replacement, same opening No permit   Enlarging or cutting an opening Permit required

The same answer covers a window in the same opening. A new or enlarged opening changes the framing, so it is a structural change and needs a permit.

Maine sets this, not North Yarmouth: U-0.30 or lower

With 4,072 residents in the 2020 Census, North Yarmouth is over the 4,000 mark at which Maine requires a town to enforce the state's building and energy code.

That is the 2021 energy code’s window figure, with no solar heat gain limit.

ENERGY STAR’s own figure here is U-0.22 or lower with an SHGC of 0.17 or higher, stricter than any code edition in force. When the code applies to a replacement window, and when it does not.

What the permit costs

Every permit carries a $25 administrative fee, and a late permit costs double.

Who to call

Building dept
207-829-3705
Official
Mark Stambach, Code Enforcement Officer
Permits
Department page
12345
What is behind the siding: every layer explained
Worker on a lift painting new shingle and lap siding on a house gable
Gothic-style house with carved bargeboard trim, a pointed window and diamond-pane sashes
Yellow clapboard house with black shutters behind a white picket fence
Victorian clapboard house with a mansard roof, bracketed eaves and a columned front porch

How North Yarmouth compares with its neighbors

PlacePermit to re-sidePermit for a windowWindow must meet
North YarmouthNoNoU-0.30
CumberlandNot publishedNot publishedU-0.30
YarmouthNot publishedYesU-0.30
PownalNot publishedNot publishedU-0.30
GrayDependsDependsU-0.30
New GloucesterDependsDependsU-0.30
PortlandNoNoU-0.30

All 25 Cumberland County places side by side →

Work we have done in North Yarmouth

Not yet — North Yarmouth is on our list rather than in our records. We will say so until that changes.

Common questions about North Yarmouth

What age of house is typical in North Yarmouth?
33% went up in the 1980s and 1990s and 24% in the 1960s and 1970s; the median North Yarmouth home dates from 1983, and 45% are older than 1980 (13% older than 1940). ACS 2020–2024.
Does North Yarmouth require a permit for new siding or windows?
Not for siding. North Yarmouth's rules require no permit to re-side and to replace a window in the same opening and require a permit to cut or enlarge an opening. No, unless something structural changes. The town's code enforcement FAQ says plainly: "If there are no structural changes, you do not need a building permit." Next door in Cumberland, a re-side has no published rule.
How energy-efficient does a new window have to be in North Yarmouth?
Maine sets it statewide, not North Yarmouth: a U-factor of 0.30 or lower under the 2021 energy code Maine adopted, with no limit on solar heat gain. With 4,072 residents in the 2020 Census, North Yarmouth is over the 4,000 mark at which Maine requires a town to enforce the state's building and energy code.
What does a permit cost in North Yarmouth?
Every permit carries a $25 administrative fee, and a late permit costs double.

Where these facts came from

Sources: northyarmouth.org · northyarmouth.org · northyarmouth.org · northyarmouth.org · northyarmouth.org · northyarmouth.org · northyarmouth.org · legislature.maine.gov · www2.census.gov · maine.gov · maine.gov

Red clapboard cape-style house with a center chimney, shrubs and a sunny lawn
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