Andersen bay window on a Cumberland Center colonial by Cardinal Exteriors

Bay & Picture Windows in Cape Elizabeth, Maine

Bay & Picture Windows for Cape Elizabeth homes from a family-owned Portland company. An owner measures on site and writes a fixed-price proposal.

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Bay & Picture Windows for Cape Elizabeth homes

Views are the reason many people buy here: Casco Bay from the Cape Cottage end, the open Atlantic along Shore Road and Two Lights, or the marsh and fields out toward the Spurwink River. A large picture window or a projecting bay can frame that outlook, but on this coast it also becomes the largest single surface facing the weather, so glass size, frame strength and installation all have to be matched to wind exposure rather than chosen by look alone.

On an ocean-facing wall, a fixed picture unit with operable casements on each side gives the view and still lets the house breathe. A bay window adds a small roof of its own, which collects snow and drifting ice; it needs proper support underneath, ice barrier and flashing at the wall, and a pitch that sheds water. Low-E coatings help on south and west exposures where afternoon glare off the water can heat a room. On shingled cottages, bays and wide units should be proportioned so they do not overwhelm the older facade.

New picture window installed on a Cumberland Center home

How a Window Rough Opening Gets Flashed

  1. Sill pan — sloped, with dammed ends, so any water that gets past the window drains out, not into the wall
  2. Window unit — set directly on the sill pan before the sides are fastened
  3. Jamb flashing tape — laps over the sill pan on both sides, in the order water will travel
  4. Head flashing — tucks under the weather-resistive barrier above the opening
  5. Drainage — every layer sheds down and out, never behind the one below it
Large glass window facade on a Yarmouth building

Cape Elizabeth housing at a glance

The Census Bureau's 2020-2024 American Community Survey estimates about 3,980 housing units in Cape Elizabeth, and roughly 90 percent of them are single-family detached houses. About 88 percent of occupied homes are owner-occupied. The estimated median year built is 1967. Close to 40 percent of the stock predates 1960, including about one in five homes built before 1940, and another quarter went up between 1960 and 1979. Only around 7 percent was built in 2000 or later, so most houses here are old enough to have outlived at least one roof and one round of siding. The older layer includes summer houses from the late nineteenth century, when Portland architect John Calvin Stevens designed Shingle Style cottages along the Casco Bay shore. The survey also counts roughly 210 seasonal units, homes that may sit closed through the winter.

Cape Elizabeth neighborhoods and architecture

Cape Elizabeth is a collection of named neighborhoods rather than a single downtown: Cape Cottage and Delano Park near Fort Williams, Shore Acres, Pond Cove, Oakhurst, Two Lights and Kettle Cove, Spurwink Shores and Bowery Beach. Fort Williams Park surrounds Portland Head Light, the oldest lighthouse in Maine, and the Cape Elizabeth Lights stand in Two Lights State Park. National Register listings include the 1886-87 C.A. Brown Cottage in Delano Park, a John Calvin Stevens design in weathered wood shingles over a fieldstone base; Beckett's Castle, a stone summer house from the 1870s; the Spurwink Congregational Church; and Crescent Lodge, the 1855 Bowery Beach schoolhouse.

Permits and design review in Cape Elizabeth

Permits run through the Cape Elizabeth Code Enforcement Office, 320 Ocean House Road, which has accepted building applications online since May 2025. Its FAQ states that a building permit is required to construct, structurally alter or enlarge a structure, and that no permit is required to replace siding or roofing. A new deck needs a building permit. The town's Shoreland Performance Overlay District covers land within 250 feet of tidal waters, Great Pond and the Spurwink River, with a 75-foot setback for new structures from most water bodies. Resource protection permits go through the Planning Office, and work in a mapped flood zone needs a Flood Hazard Permit.

Cape Elizabeth at a Glance

What the housing stock and local code enforcement mean for a siding, window, roofing or deck job here.

9,535

Population (ACS estimate)

Median year built: 1967

Homes built before 194019%

A mix of eras — original materials on some houses, postwar replacements on others.

State Building & Energy Code (MUBEC)

Enforced — population over 4,000

EPA Lead-Safe Rule (pre-1978 homes)

Applies to at least 39% of homes here

Shoreland Zoning

Applies near the water

Permits

Cape Elizabeth Code Enforcement Office

Codes & Permits for Bay & Picture Windows in Cape Elizabeth

In Cape Elizabeth, exterior-work permits come from the Cape Elizabeth Code Enforcement Office (320 Ocean House Road, Cape Elizabeth, ME 04107-0060, 207-799-1619). With 9,535 residents, over 4,000, Cape Elizabeth is required to enforce the Maine Uniform Building and Energy Code (MUBEC).

  • A fixed picture window does not itself satisfy IRC R310 egress for a bedroom; if a bay/picture window is installed in a sleeping room, the room still needs a separate code-compliant egress window or door meeting the R310 opening/sill dimensions elsewhere in the room. up.codes
  • Bay windows project beyond the wall plane and typically require additional structural support (headers sized per the applicable IRC span tables, and often a knee-wall or bracket support system) beyond what a standard flat-wall window opening needs — sizing should follow the IRC's header/span-table provisions and, for the bay's roof/floor cantilever, engineered or manufacturer-specified support rather than a simple in-wall header swap. up.codes
  • The same Climate Zone 6A / U-factor 0.30 fenestration requirement applies to bay and picture window units as to standard replacement windows under Maine's adopted 2021 IECC. up.codes
  • Maine's Shoreland Zoning Act creates a regulated shoreland zone extending 250 feet (horizontal distance) from the normal high-water line of any great pond, river, or coastal wetland, and 75 feet from certain streams; the Act's stated purposes include protecting buildings and land from flooding/erosion and controlling water pollution, and it governs deck and other structure setbacks and the expansion of nonconforming structures within that zone (specific setback/expansion rules are set at the municipal-ordinance level under the state's model guidelines). maine.gov

How Cardinal Exteriors Handles Bay & Picture Windows in Cape Elizabeth

  • Maine's adopted energy code places Cape Elizabeth in Climate Zone 6A, capping the U-factor on replacement windows at 0.30 — every unit we quote for a bay and picture windows job here meets that number or beats it.
  • At least 39% of Cape Elizabeth's homes predate 1960 — well ahead of 1978, when the EPA's lead-safe renovation rule kicks in — so we plan for lead-safe work practices on bay and picture windows whenever painted surfaces come off an older house here.
  • Cape Elizabeth's population (9,535) puts it above the threshold where Maine law requires full MUBEC enforcement, so this job is inspected against that code as well as the local permit.
  • Anything that needs a permit for bay and picture windows goes through the Cape Elizabeth Code Enforcement Office.
Cape Elizabeth, ME
Open farmland and marsh along Spurwink Avenue in inland Cape Elizabeth, away from the town's coastal lighthouses.
Street View © Google

What bay and picture windows involves

Picture windows are large fixed units that frame a view and pour light into a room. Bay and bow windows project out from the wall, adding floor space and light from three or more directions. Both are heavier and more exposed than an ordinary window, so the structure, support, roof and flashing around them matter. The Cumberland Center colonial on this site received Andersen 400 Series bay, double-hung and picture windows.

  • The opening, header and framing are checked; widening an opening may need a new header.
  • Bay and bow units are supported with cables, brackets or a framed seat so they do not sag.
  • The small roof over a bay is flashed into the wall and roofed or capped to match the house.
  • Insulation goes into the seat and head so the projection is not a cold spot.
  • Interior seat boards, casing and exterior trim are finished to match.

Signs it is time

  • A view you want to see more of from the main living space
  • An old bay that sags, leaks at the roof, or feels cold at the seat
  • Fogged glass in a large fixed unit
  • A dark room that needs more daylight

What affects the price of bay and picture windows

  • Size and configuration: picture, bay or bow, number of units
  • Whether the rough opening changes size
  • Support method and seat or roof finish
  • Glass package and brand
  • Interior finish carpentry

Every job is priced from a free on-site visit. Typical ranges for the trade are on our window replacement page, and the details of this service are on the bay and picture windows overview.

For a deeper walkthrough of materials, code details and photos, see our full Bay & Picture Windows: The Structural Support Most Homeowners Never See guide.

Get a free bay and picture windows estimate in Cape Elizabeth

Tell us about the house and what you want changed. One of the owners will call to set up a visit, measure, and write a fixed-price proposal. No pressure, no obligation.

Need it today?Call Mike (207) 408-5388

or Bob at (207) 252-0759