
Siding, Roofing, Windows & Decks in Casco, Maine
Casco runs along the north shore of Sebago Lake and around Pleasant Lake, Thomas Pond and Crescent Lake, about 30 miles from Portland. Route 302 is the main road, with Routes 11, 85 and 121 linking Casco village, South Casco, Cook Mills and Pike Corner. It is a town of lake houses as much as year-round homes, and about half its homes were built in 1988 or later, so exterior work here often means upgrading cottages for longer seasons or finishing houses built in the last 25 years.
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Casco homes and what they need
Census estimates count about 2,970 housing units in Casco, with a median year built of 1988, noticeably newer than Raymond's 1976. Only about 5 percent predate 1940 and around 18 percent predate 1960, while roughly 31 percent have gone up since 2000. About 76 percent are single-family detached homes, a lower share than in neighboring Raymond, and about 90 percent of occupied homes are owned by the people living in them. Seasonal use is large: roughly 1,210 units, about four in ten, are held for seasonal or recreational occupancy, from shoreline cottages to second homes. The town also runs a short-term rental registration ordinance, since many lake houses are rented by the week. The older layer is small but real, including a Federal-style house from about 1795 in South Casco.
Weather and exposure in Casco
Casco is inland, so the weather that wears on houses here is snow, cold and the wind off big water, not salt. Published normals from the National Weather Service office in nearby Gray show about 84 inches of snow a year for 1991-2020, well above the roughly 69 inches at the Portland Jetport. Deep cold and midwinter thaws alternate from December into March. Cottages on the north shore of Sebago Lake face miles of open water to the south, and Sebago rarely freezes over completely, so that exposure lasts through the winter. Houses on Pleasant Lake, Thomas Pond and the smaller ponds sit among tall pines, where shade and needle litter keep roofs and decks damp.
Casco neighborhoods and architecture
Casco was set off from Raymond in 1841 after starting as part of Raymondtown Plantation. Its settled places are Casco village, South Casco, Cook Mills, Crescent Lake and Pike Corner. The Friends Meetinghouse on Quaker Ridge Road, built in 1814, is a modest one-story frame building with narrow clapboard siding and is on the National Register, as is the Richard Manning House, a Federal-style home of about 1795 on Raymond Cape Road in South Casco. Sebago Lake State Park, opened in 1938, spans Casco and Naples, and summer camps such as Seeds of Peace and Camp Laurel South sit on its lakes. Casco Days fills the last Saturday of July.
Permits and design review in Casco
Casco's Code Enforcement Department, which the town calls its building department, works from the town office at 635 Meadow Road and meets by appointment. Since April 7, 2025 the town enforces the 2021 I-codes under Maine's uniform building code. The building permit application asks whether a lot is in shoreland, water body, wetland or resource protection zoning, wants a plot plan with roadside and lakeside setbacks, and records lot coverage. Permits are valid for one year. Work in the shoreland zone, within 250 feet of a great pond, uses a separate Shoreland Project Permit Application with photos before and after construction.
Casco at a Glance
What the housing stock and local code enforcement mean for a siding, window, roofing or deck job here.
3,696
Population (ACS estimate)
Median year built: 1988
Mostly vinyl or fiber-cement siding and insulated replacement windows from recent decades.
State Building & Energy Code (MUBEC)
Local option — population under 4,000
EPA Lead-Safe Rule (pre-1978 homes)
Applies to at least 18% of homes here
Shoreland Zoning
Applies near the water
Permits
Casco Code Enforcement Office
Codes & Permits for Exterior Work in Casco
In Casco, exterior-work permits come from the Casco Code Enforcement Office (635 Meadow Road, Casco, ME 04015, 207-627-4515, ext. 1203). Casco sits at or under the 4,000-resident line where MUBEC enforcement is a local option rather than a state mandate.
- Maine's adopted 2021 IRC requires all exterior wall coverings (siding) to be installed per the applicable code section and, where referenced, the manufacturer's installation instructions, with fastener penetration and spacing set by Table R703.3(1) — a full-envelope re-siding job (removing sheathing/house-wrap, not just cladding) is code work subject to a building permit in mandatorily-enforcing towns even where a simple like-for-like cladding swap might be treated as exempt maintenance by a given town; permit posture for the latter varies by municipality. up.codes
- A weather-resistive barrier is required under exterior wall coverings generally (R703.2), meaning a proper re-siding job that exposes the sheathing must also address the house-wrap/felt layer, not just the visible cladding. 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
- By Maine law (25 M.R.S. §2373), 'the code must be enforced in a municipality that has more than 4,000 residents' (per the most recent federal census); municipalities at or below that population are not required to adopt/enforce MUBEC but may opt in locally, per the state's own program page: 'All municipalities with a population greater than 4,000 are required, by statute, to enforce the MUBEC. Municipalities with a population under 4,000 may choose to enforce the MUBEC.' mainelegislature.org
How Cardinal Exteriors Handles Exterior Work in Casco
- Casco, at 3,696 residents, sits under the population line where MUBEC enforcement is a state requirement — the town may still choose to enforce it locally, and the permit process applies regardless.
- With 18% of Casco's housing built before 1960, a real share of that stock predates 1978 as well, which means EPA lead-safe containment is part of exterior work on an older Casco home more often than not.
- Because Casco has coastal, lake or river frontage, Maine's Mandatory Shoreland Zoning Act may apply to work close to the water, which can affect setbacks on a rebuild.
- We file for exterior work permits at the Casco Code Enforcement Office before work starts, not after.
The entrance to the Point Sebago Resort area on Point Sebago Road in Casco, near Sebago Lake.
Street View © Google
Exterior services in Casco
Each page below covers one job in Casco: what the town's houses and weather mean for it, what the work involves, and what moves the price. For the full picture of a trade, see our siding, window replacement, roofing and deck building pages.
Siding in Casco
- Siding Replacement in CascoCasco's older lake cottages are where siding tends to give out first.
- Vinyl Siding Installation in CascoPremium vinyl works well on the many Casco homes built in the last few decades, including the roughly 31 percent of the stock built since 2000.
- James Hardie Fiber Cement Siding in CascoJames Hardie fiber cement gives Casco homeowners the look of painted clapboard or shingles without wood's upkeep.
- Cedar Siding & Shingles in CascoCedar shingles and boards have been on Casco's lake cottages for generations, and for many owners a camp on Pleasant Lake or Thomas Pond does not look right in anything else.
Windows in Casco
- Window Replacement in CascoCasco has a newer housing stock than most of the county, but many of its windows still need replacing.
- Bay & Picture Windows in CascoIn Casco, a big window is often the point of the house.
Roofing in Casco
- Roof Replacement in CascoHeavy snow, long cold and midwinter thaws are what age a Casco roof.
- Asphalt Shingle Roofing in CascoArchitectural asphalt shingles are the standard roof on most of Casco's newer homes, and with about 31 percent of the housing built since 2000, many of those original roofs are reaching the age where they need replacing.
- Metal Roofing in CascoMetal roofs suit Casco's lake cottages and seasonal homes.
Decks in Casco
- Deck Building in CascoA deck is where a Casco summer happens, whether it faces Sebago Lake, Pleasant Lake or a wooded lot.
- Composite & PVC Decks in CascoComposite and PVC decking fit the way many people use a house in Casco.
- Deck Replacement in CascoMany of Casco's decks were added to cottages and newer homes over the past several decades, and pressure-treated decks from the 1980s and 1990s are now wearing out.
Towns near Casco
Nearby service areas
Cardinal Exteriors is a family-owned Portland company that works across Cumberland County and the Maine coast from Saco to Bath. See the full list on our service areas page.
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