Andersen bay window on a Cumberland Center colonial by Cardinal Exteriors

Bay & Picture Windows in Sebago, Maine

Bay & Picture Windows for Sebago 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 Sebago homes

Sebago's two big views are the lake and the hills. West-shore homes look east across Sebago Lake, and houses on the rising ground toward Douglas Mountain can see over the trees. The stone tower Dr. William Blackman built on the summit after buying the mountain in 1892 looks out over Sebago Lake, the Presidential Range and the city of Portland, which gives a sense of how far a well-placed window up there can reach.

Glass that faces the lake faces the wind that crosses it, so large fixed units need solid framing, proper anchoring and a well-flashed head to keep wind-driven rain out. Because most shore houses here face east, strong morning sun comes straight in while afternoon heat is less of an issue than on a west-facing lot, which can change the choice of glass coating. A bay window adds its own small roof, and in a place averaging around 84 inches of snow at the nearest weather station, that roof has to shed snow and be flashed so melt cannot back up behind the siding. Casements flanking a picture unit keep a lake breeze available in summer, and a bay's angled side windows catch light along the shoreline in both directions.

New bay 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
New picture window installed on a Cumberland Center home

Sebago housing at a glance

Census estimates count about 1,520 housing units in Sebago, with a median year built of 1975, older than neighboring Naples. About 17 percent predate 1940 and roughly 36 percent predate 1960. Another 19 percent went up between 1960 and 1979, about a quarter between 1980 and 1999, and about 20 percent in 2000 or later. Some 85 percent are single-family detached houses, and about 89 percent of occupied homes are owner-occupied. Nearly 600 units are held for seasonal use. The town's 2006 comprehensive plan found that most homes along Sebago Lake, Peabody Pond and Barker Pond were seasonal while year-round houses sat away from the water, noted a steady conversion of camps to year-round use since 1991, and counted mobile homes at about 13 percent of the stock, mostly on individual lots rather than in parks.

Sebago neighborhoods and architecture

East Sebago grew around William Fitch's early grist mill and sawmill and later around Kernan's West Shore Camps, a steamboat stop, and it still holds the Spaulding Memorial Library and most of the town's businesses. Fitch's General Store and House there, built about 1870, is on the National Register. North Sebago grew around Nason's Wharf, another steamboat landing. Sebago Center, once called Mud City, sits about 3.5 miles inland. In the hills west of the lake, the Dyke Mountain Annex, built between 1906 and 1908, is the only survivor of a summer hotel that burned in 1927. Camp O-AT-KA has operated in East Sebago since 1906.

Permits and design review in Sebago

Permits are handled by the Sebago Code Enforcement and Planning office at 406 Bridgton Road on Route 107, where the Code Enforcement Officer also serves as building inspector and is often out on site visits from noon to 3 p.m. The town's permits page lists building permits, shoreland zoning permits and permit-by-rule forms, and states that no permit is needed for roofing or exterior painting. Siding and window work should be confirmed with the office, and a new deck should be expected to need a building permit. Land within 250 feet of Sebago Lake or a great pond falls under shoreland zoning, which has its own permit form.

Sebago at a Glance

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

2,073

Population (ACS estimate)

Median year built: 1975

Homes built before 194017%

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

State Building & Energy Code (MUBEC)

Local option — population under 4,000

EPA Lead-Safe Rule (pre-1978 homes)

Applies to at least 36% of homes here

Shoreland Zoning

Applies near the water

Permits

Sebago Code Enforcement & Planning

Codes & Permits for Bay & Picture Windows in Sebago

In Sebago, exterior-work permits come from the Sebago Code Enforcement & Planning (406 Bridgton Road (Route 107), Sebago, ME 04029, (207) 787-2457). Sebago sits at or under the 4,000-resident line where MUBEC enforcement is a local option rather than a state mandate.

  • 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 Sebago

  • Maine's adopted energy code places Sebago 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.
  • With 36% of Sebago's housing built before 1960, a real share of that stock predates 1978 as well, which means EPA lead-safe containment is part of bay and picture windows on an older Sebago home more often than not.
  • With 2,073 residents, Sebago falls below the threshold for mandatory statewide code enforcement, but that doesn't change the permit and inspection Cardinal builds to on every job here.
  • We file for bay and picture windows permits at the Sebago Code Enforcement & Planning before work starts, not after.
Sebago, ME
A wooded road with an old stone wall along Anderson Road in the town of Sebago.
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 Sebago

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