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

Window and siding replacement in Naples

Replacement windows and new siding for homes in Naples. Here no siding permit rule is published, and a replacement window has to be U-0.30 or lower.

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What we do in Naples

Naples at a glance

Permit to re-side
Not published
Window, same opening
Not published
New or bigger opening: required
Window must meet
U-0.30 or lower
2021 IECC (statewide; town need not enforce)
Built before 1980
34%
Homes in Naples, Census 2020–2024
People
3,985
Homes
3,360
Size
31.8 square miles
From downtown
About 29 miles northwest
ZIP codes
04055
Founded or incorporated
1834

Naples sits where Long Lake, Brandy Pond and Sebago Lake are joined by the Songo River and the Songo Lock, and lake tourism has been its main business since the 1800s. Early farms on rocky glacial soil gave way to inns and summer visitors.

The houses in Naples

Before 19404%
1940–195910%
1960–197920%
1980–199933%
2000 or later32%

34% of the homes in Naples are older than 1980 and 4% older than 1940; the median one dates from 1988; 81% are detached houses and 88% 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.

56% of the homes in Naples have three or more bedrooms. The median owned home is worth about $340,100 by its owner's estimate, the figure to weigh any siding or window quote against.

Half the homes in Naples were built before 1988, which makes its housing about 12 years newer than across Cumberland County as a whole (median 1976). Set against Cumberland County as a whole, owners live in 88% of occupied homes here against 70% county-wide, the median owner-estimated value is $340,100 here and $451,200 across the county and detached houses are 81% of the homes, above the county's 63%.

Rooms in the median home
5.2
Heated with gas / electricity
3% / 7%
Townhouses and other attached homes
3%
Homes in buildings of 2 to 4 units
2%
Homes in buildings of 5 or more units
4%
Mobile homes
11%

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 Naples, 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 32% built in 2000 or later

Houses built to recent Maine codes are tight, and Maine now holds new houses to a lower air-leakage limit than the national code. A tight house with too little ventilation fogs its windows all winter; before blaming the glass, check the humidity and the bath and kitchen fans.

Neighborhoods

We work across Edes Falls and South Naples.

Next door

Naples shares a boundary with Casco, Sebago, Bridgton, Harrison, Otisfield, Long Lake and Sebago Lake.

Gothic-style house with carved bargeboard trim, a pointed window and diamond-pane sashes

The rules in Naples

Siding replacement Not published

Naples's Land Use Ordinance (section 202) says no building may be erected, altered, moved or demolished without a building permit, while the town's Planning and Code page names new buildings and structural alterations. Neither names siding, so ask before a re-side.

Window replacement, same opening Not published   Enlarging or cutting an opening Permit required

Window replacement is not named. A new or enlarged opening is a structural alteration, which the code page names.

Maine sets this, not Naples: U-0.30 or lower

Naples counted 3,925 residents in the 2020 Census, under the 4,000 mark, so it need not enforce the state's code, and its pages do not say it does; the state still counts meeting the code as the owner's responsibility.

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

Residential renovation permits cost $50 up to $1,000 of work, $60 to $5,000, $70 to $10,000, and $80 plus $5 per $1,000 above $10,000.

Who to call

Building dept
207-693-6364
Official
Randy Thurston, 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
Kitchen window with potted plants on the sill and a snowy yard outside
Victorian clapboard house with a mansard roof, bracketed eaves and a columned front porch
Red clapboard cape-style house with a center chimney, shrubs and a sunny lawn

How Naples compares with its neighbors

PlacePermit to re-sidePermit for a windowWindow must meet
NaplesNot publishedNot publishedU-0.30
CascoNot publishedNot publishedU-0.30
SebagoNot publishedNot publishedU-0.30
BridgtonNoNoU-0.30
HarrisonNot publishedNot publishedU-0.30
New GloucesterDependsDependsU-0.30
North YarmouthNoNoU-0.30

All 25 Cumberland County places side by side →

Work we have done in Naples

No completed job in Naples on the books yet, and we would rather say so than invent one.

Common questions about Naples

What age of house is typical in Naples?
33% went up in the 1980s and 1990s and 32% in 2000 or later; the median Naples home dates from 1988, and 34% are older than 1980 (4% older than 1940). ACS 2020–2024.
Does Naples require a permit for new siding or windows?
No rule is published. Naples's rules say nothing on whether you need a permit to re-side or to replace a window in the same opening and require a permit to cut or enlarge an opening. Naples's Land Use Ordinance (section 202) says no building may be erected, altered, moved or demolished without a building permit, while the town's Planning and Code page names new buildings and structural alterations. Next door in Bridgton, a re-side needs no permit.
How energy-efficient does a new window have to be in Naples?
Maine sets it statewide, not Naples: a U-factor of 0.30 or lower under the 2021 energy code Maine adopted, with no limit on solar heat gain. Naples counted 3,925 residents in the 2020 Census, under the 4,000 mark, so it need not enforce the state's code, and its pages do not say it does; the state still counts meeting the code as the owner's responsibility.
What does a permit cost in Naples?
Residential renovation permits cost $50 up to $1,000 of work, $60 to $5,000, $70 to $10,000, and $80 plus $5 per $1,000 above $10,000.

Where these facts came from

Sources: townofnaples.org · townofnaples.org · townofnaples.org · townofnaples.org · townofnaples.org · townofnaples.org · townofnaples.org · legislature.maine.gov · maine.gov

Yellow clapboard house with black shutters behind a white picket fence
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