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

Window and siding replacement in Lyman

Replacement windows and new siding for homes in Lyman. 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 Lyman

Lyman 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
54%
Homes in Lyman, Census 2020–2024
People
4,612
Homes
2,268
Size
39.0 square miles
From downtown
About 22 miles southwest
ZIP codes
04002
Founded or incorporated
1780

Lyman, incorporated in 1780 as Coxhall, is a town of many ponds, including Kennebunk Pond, Swan Pond, Bunganut Pond and Roberts-Wadley Pond, where early sawmills ran at the pond outlets. Goodwins Mills, its only trade center, sits partly in Dayton, and the Great Fires of 1947 devastated part of the town.

The houses in Lyman

Before 19408%
1940–195917%
1960–197929%
1980–199923%
2000 or later23%

Of the homes in Lyman, 54% predate 1980 and 8% predate 1940; the median one dates from 1979. Detached single-family houses make up 85%; owners live in 95% of the occupied ones. With most of the housing older than 1980, the federal lead rule is likely on most window and siding jobs here. What the lead rule requires of a contractor.

70% of the homes in Lyman have three or more bedrooms. The median owned home is worth about $360,400 by its owner's estimate, the figure to weigh any siding or window quote against.

Half the homes in Lyman were built before 1979, which makes its housing about the same age as across York County as a whole (median 1980). Set against York County as a whole, owners live in 95% of occupied homes here against 77% county-wide, the median owner-estimated value is $360,400 here and $395,700 across the county and detached houses are 85% of the homes, above the county's 70%.

Rooms in the median home
5.8
Heated with gas / electricity
1% / 4%
Townhouses and other attached homes
0%
Homes in buildings of 2 to 4 units
2%
Homes in buildings of 5 or more units
0%
Mobile homes
13%

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 Lyman, 29% of them, was built in the 1960s and 1970s, so that is the house described here.

Aluminum sliders and single-hungs, single-glazed or with an early sealed unit, alongside the first vinyl-clad wood windows. An aluminum frame is a cold bridge: in January it collects frost and runs condensation onto the sill and the drywall return. Few of these windows are worth repairing, and on this vintage a full replacement is usually money well spent.

Raised ranches and split-levels in the new subdivisions, and lake cottages turned into year-round houses, clad in plywood panel siding, aluminum lap or the first vinyl. Plywood panels drink water at the bottom edge and at every butt joint; aluminum dents and chalks but rarely leaks. A converted camp may have siding nailed straight to the studs, with no sheathing and little or no insulation behind it.

The one to watch on a house of this age

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.

And on the 23% built in the 1980s and 1990s

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.

Neighborhoods

We work across Goodwins Mills, Days Mill and Spang Mills.

Next door

Lyman shares a boundary with Hollis, Dayton, Arundel, Kennebunk, Alfred and Waterboro.

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

The rules in Lyman

Siding replacement No permit

No, as long as nothing structural changes. Lyman's Zoning Ordinance (section 7.2.1) says a building permit is not required for the replacement of roofing, siding and windows if no structural changes are required, and that the Code Enforcement Officer should be consulted first.

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

Windows are named in the same exemption; a new or enlarged opening is a structural change.

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

With 4,525 residents in the 2020 Census, Lyman 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.

Local quirks

Permits are issued only to the owner of record, or to an agent with a signed letter of authorization and a copy of the owner's driver's license.

Who to call

Building dept
207-247-0647
Official
Not published. Any site printing a name here is guessing.
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 Lyman compares with its neighbors

PlacePermit to re-sidePermit for a windowWindow must meet
LymanNoNoU-0.30
HollisNoNot publishedU-0.30
DaytonNoNoU-0.30
ArundelNoNoU-0.30
KennebunkDependsYesU-0.30
AlfredNoNot publishedU-0.30
WaterboroNot publishedNot publishedU-0.30

All 29 York County places side by side →

Work we have done in Lyman

We have not logged a finished job in Lyman yet. When we do, it will be listed here with what was done — we would rather show nothing than a number you cannot check.

Common questions about Lyman

How old are most houses in Lyman?
29% went up in the 1960s and 1970s and 23% in the 1980s and 1990s; the median Lyman home dates from 1979, and 54% are older than 1980 (8% older than 1940). ACS 2020–2024.
Is a permit needed to replace siding or windows in Lyman?
Not for siding. Lyman'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. Next door in Kennebunk, a re-side depends on the job.
What window efficiency rule applies in Lyman?
Maine sets it statewide, not Lyman: a U-factor of 0.30 or lower under the 2021 energy code Maine adopted, with no limit on solar heat gain. With 4,525 residents in the 2020 Census, Lyman is over the 4,000 mark at which Maine requires a town to enforce the state's building and energy code.
What does the egress rule mean for windows in Lyman?
Yes. 70% of Lyman's homes have three or more bedrooms (median owner-estimated value $360,400), and each bedroom needs an emergency escape opening: at least 5.7 square feet of net clear opening (5 at a grade-floor sill), 24 inches high and 20 inches wide, with the sill no more than 44 inches above the floor (IRC R310).

Where these facts came from

Sources: lyman-me.gov · lyman-me.gov · lyman-me.gov · lyman-me.gov · maine.gov · legislature.maine.gov

Blue clapboard house with a front gable, a covered porch and a green lawn
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