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

Window and siding replacement in Kennebunk

Replacement windows and new siding for homes in Kennebunk. Here whether a re-side needs a permit depends on the job, and a replacement window has to be U-0.30 or lower.

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What we do in Kennebunk

Kennebunk at a glance

Permit to re-side
Depends
Window, same opening
Required
New or bigger opening: required
Window must meet
U-0.30 or lower
2021 IECC (statewide)
Built before 1980
44%
Homes in Kennebunk, Census 2020–2024
People
11,820
Homes
6,403
Size
35.1 square miles
From downtown
About 24 miles southwest
ZIP codes
04043, 04094
Founded or incorporated
1820

Kennebunk runs from the inland Kennebunk Plains and West Kennebunk to the ocean at Kennebunk Beach, Gooch's Beach and the Lower Village, and it was a shipbuilding center until 1918, leaving many historic shipbuilders' homes.

The houses in Kennebunk

Before 194019%
1940–195911%
1960–197914%
1980–199932%
2000 or later25%

44% of the homes in Kennebunk are older than 1980 and 19% older than 1940; the median one dates from 1983; 65% are detached houses and 81% 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.

By the owners' own estimate, the median owned home in Kennebunk is worth about $487,700. 58% of homes have three or more bedrooms, and each bedroom needs an emergency escape opening under the egress rule.

Half the homes in Kennebunk were built before 1983, which makes its housing about 3 years newer than across York County as a whole (median 1980). Set against York County as a whole, owners live in 81% of occupied homes here against 77% county-wide, the median owner-estimated value is $487,700 here and $395,700 across the county and detached houses are 65% of the homes, below the county's 70%.

Rooms in the median home
6.1
Heated with gas / electricity
9% / 15%
Townhouses and other attached homes
14%
Homes in buildings of 2 to 4 units
12%
Homes in buildings of 5 or more units
6%
Mobile homes
1%

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 Kennebunk, 32% 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 25% 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 Lower Village, Kennebunk Beach, West Kennebunk, Kennebunk Landing, Gooch's Beach, Mother's Beach, Parsons Beach, Lords Point, Bartlett Mills, Coopers Corner, Alewife and Four Corners.

Historic districts

Kennebunk has 3 listed: Kennebunk Historic District, Lower Alewive Historic District and Kennebunk Historic Preservation Overlay District (local). A National Register listing on its own does not limit what you fit; a local district or landmark designation can, and in several towns here a change of siding material or window sash needs a certificate before the permit. Which towns' rules bind, and how.

Next door

Kennebunk shares a boundary with Kennebunkport, Arundel, Lyman, Alfred, Sanford, Wells, Kennebunk River and Atlantic Ocean.

Worker on a lift painting new shingle and lap siding on a house gable

The rules in Kennebunk

Siding replacement Conditional

It depends on the job. Kennebunk requires a building permit for the construction or alteration of any building, but says repairs such as replacing loose siding do not need one; whole re-sides appear on the town's issued-permit report under exterior remodels.

Window replacement, same opening Permit required   Enlarging or cutting an opening Permit required

The town's FAQ answers 'Do I need a permit for replacement windows and doors?' with "Yes. The State Model Energy Code requires windows and doors to meet current standards."

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

With 11,536 residents in the 2020 Census, Kennebunk is over the 4,000 mark at which Maine requires a town to enforce the state's building and energy code. The town's FAQ ties replacement windows and doors to the energy code: they have to meet current standards.

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 has a $45 application processing fee, and building permits have a $40 minimum.

Local quirks

In Kennebunk's Historic Preservation Overlay District, created in 1963, no building permit for exterior work is issued until the Historic Preservation Commission grants a certificate of appropriateness.

Who to call

Building dept
207-604-1303
Official
Frank Kunkel, Code Enforcement Officer
Permits
Department page
12345
What is behind the siding: every layer explained
Gothic-style house with carved bargeboard trim, a pointed window and diamond-pane sashes
Kitchen window with potted plants on the sill and a snowy yard outside
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 Kennebunk compares with its neighbors

PlacePermit to re-sidePermit for a windowWindow must meet
KennebunkDependsYesU-0.30
KennebunkportNoNot publishedU-0.30
ArundelNoNoU-0.30
LymanNoNoU-0.30
AlfredNoNot publishedU-0.30
SanfordYesYesU-0.30
WellsYesYesU-0.30

All 29 York County places side by side →

Work we have done in Kennebunk

Nothing completed in Kennebunk so far. Rather than pad this out, we have left it blank until there is a real job to describe.

Common questions about Kennebunk

What age of house is typical in Kennebunk?
32% went up in the 1980s and 1990s and 25% in 2000 or later; the median Kennebunk home dates from 1983, and 44% are older than 1980 (19% older than 1940). ACS 2020–2024.
Does Kennebunk require a permit for new siding or windows?
For siding, it depends. Kennebunk's rules make it depend on the job whether you need a permit to re-side and require a permit to replace a window in the same opening and to cut or enlarge an opening. Next door in Kennebunkport, a re-side needs no permit.
How energy-efficient does a new window have to be in Kennebunk?
Maine sets it statewide, not Kennebunk: a U-factor of 0.30 or lower under the 2021 energy code Maine adopted, with no limit on solar heat gain. With 11,536 residents in the 2020 Census, Kennebunk is over the 4,000 mark at which Maine requires a town to enforce the state's building and energy code.
Does Kennebunk have historic districts that limit window or siding choices?
Kennebunk has 3: Kennebunk Historic District, Lower Alewive Historic District and Kennebunk Historic Preservation Overlay District (local). Binding. No building permit for exterior work in the Historic Preservation Overlay District is issued until the commission grants a certificate of appropriateness.
What does a permit cost in Kennebunk?
Every permit has a $45 application processing fee, and building permits have a $40 minimum.

Where these facts came from

Sources: kennebunkmaine.us · kennebunkmaine.us · kennebunkmaine.us · kennebunkmaine.us · kennebunkmaine.us · kennebunkmaine.us · kennebunkmaine.us · kennebunkmaine.us · maine.gov · legislature.maine.gov

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