Roofing for Harpswell homes: replacement, leaks and storm damage. In Harpswell, the 2021 IRC is in force and the median home was built in 1979. Any permit the job needs is ours to pull.
Harpswell runs to about 24.1 square miles and roughly 5,046 people. It sits about 15 miles east of downtown Portland. The community dates back to 1775. We cover ZIP codes 04079, 04066 and 04003.
No completed roof in Harpswell is logged in our job records yet.
We work across Harpswell rather than one corner of it — Bailey Island, Orr's Island, Cundy's Harbor, Harpswell Neck, Sebascodegan Island, Harpswell Center, East Harpswell, North Harpswell, South Harpswell and West Harpswell included. Age and construction change between them, which is why we look before we quote.
Harpswell is Harpswell Neck plus three large islands linked by bridges, Sebascodegan (Great Island), Orr's Island and Bailey Island, and 95 smaller islands, with about 216 miles of Casco Bay coastline. It leads Maine in active lobstering licenses, and the Bailey Island Bridge, built in 1927 and 1928, is thought to be the only cribstone bridge in the world.
From this stretch of building, houses in Harpswell sit on plywood or OSB, were first roofed in three-tab shingles, and are mostly on their second roof now. Trouble tends to be at the penetrations rather than across the field: the rubber collar on a pipe boot splits years before the shingles give out, and it is the leak we trace most often. Ridge vents were hit and miss in these decades, and OSB that stays damp for a season softens in a way plywood does not, something you feel underfoot rather than see from the yard.
Harpswell has 4,286 homes in the Census Bureau's count and a median year built of 1979. 864 of them (20%) went up before 1940 — 21st of 64 places on this site for pre-1940 share — and 831 (19%) in 2000 or later. More of today's homes date from before 1940 than from any decade since. That is below Cumberland County's 23%.
About 25 years is the usual useful life of a roof, by the figure in the Maine Bureau of Insurance's claims guide. On that yardstick the 3,455 homes in Harpswell built before 2000 (81%) have outlived at least one roof; 1,550 of them (36%) predate 1970, old enough for two replacements already. The 467 homes from the 2000s are where first replacements come up now, while the 364 built since 2010 are mostly still on the roof they were built with. Older houses are where a second layer laid over the first turns up, and that layer is what hides soft decking.
91% of homes in Harpswell are single-family detached houses (3,913) and 1% attached ones such as townhouses (61). 91 homes (2%) sit in two- to nine-unit buildings and 22 (1%) in buildings of ten units or more, whose roofs are normally an owner's or a board's call rather than a resident's. The count also takes in 199 mobile homes, which are a different kind of roof job. Owners live in 83% of the 2,598 occupied homes. Read together, those figures point toward deck and flashing checks on pre-war board sheathing.
| Built | Homes | Share | |
|---|---|---|---|
| Before 1940 | 864 | 20% | |
| 1940s | 114 | 3% | |
| 1950s | 271 | 6% | |
| 1960s | 301 | 7% | |
| 1970s | 650 | 15% | |
| 1980s | 801 | 19% | |
| 1990s | 454 | 11% | |
| 2000s | 467 | 11% | |
| 2010s | 274 | 6% | |
| 2020 or later | 90 | 2% |
Census ACS 2020–2024, tables B25034, B25035, B25024 and B25003: 4,286 homes, 2,598 occupied. Survey estimates.
NOAA’s Storm Prediction Center logged no reports of hail 1 inch or larger within 5 miles of Harpswell’s center from 2016 through 2025. That is a gap in the reports rather than proof that no hail fell: reports come from spotters and the public.
Harpswell's 2025 permit flyer says permits are required to build or move a new structure onto a property, or to enlarge, alter, repair, renovate, remodel or update any existing structure, and it lists additions, remodels and replacements as needing a permit. It does not name roofing. The town's Basic Land Use Ordinance table lists structural repair as allowed without a land use permit, while structural alteration or replacement on a home needs a permit from the Code Enforcement Officer. Work started without a valid permit is charged triple the normal fee, with a $250 minimum.
Harpswell enforces the 2021 IRC. Harpswell's inspection notice (revised April 18, 2025) says the MUBEC is made up of the 2021 IBC, 2021 IEBC, 2021 IRC and 2021 IECC, plus ASHRAE and the Maine Model Radon Standard. The town's permit application refers to the 2021 MUBEC and requires radon and blower door results for all new homes, and the town posts the State Fire Marshal's flyer on the MUBEC update effective April 7, 2025.
The published number is 207-833-5771. The building official on record is Tim Clark, Code Enforcement Officer and Local Plumbing Inspector; Tony Simmons, Code Enforcement Officer and Local Plumbing Inspector. The department page is here.
Design wind here is set by location, not one figure for the whole area: across greater Portland and southern Maine the published ultimate design wind speeds run 115–120 mph, depending on where a house stands. The building department for Harpswell can tell you which figure applies. Ground snow load is set for each address, not one figure for the whole area: the published figures here run 50–70 psf. What it does to a roof is in the roofing code guide.
Harpswell borders Brunswick, West Bath, Phippsburg, Freeport, Chebeague Island and New Meadows River. Our pages for them:
Also in Cumberland County:
| Town | Re-roof permit | Code | Median built |
|---|---|---|---|
| Harpswell | Not published | 2021 IRC | 1979 |
| Brunswick | No | 2021 IRC | 1982 |
| West Bath | Not published | Enforcement optional | 1983 |
| Phippsburg | Yes | 2021 IRC | 1984 |
| Freeport | Not published | 2021 IRC | 1984 |
| Baldwin | Not published | Enforcement optional | 1979 |
| Bridgton | No | 2021 IRC | 1985 |
All 25 Cumberland County towns side by side →
Harpswell's 2025 permit flyer says permits are required to build or move a new structure onto a property, or to enlarge, alter, repair, renovate, remodel or update any existing structure, and it lists additions, remodels and replacements as needing a permit. It does not name roofing. The town's Basic Land Use Ordinance table lists structural repair as allowed without a land use permit, while structural alteration or replacement on a home needs a permit from the Code Enforcement Officer. Work started without a valid permit is charged triple the normal fee, with a $250 minimum.
Harpswell enforces the 2021 IRC. Harpswell's inspection notice (revised April 18, 2025) says the MUBEC is made up of the 2021 IBC, 2021 IEBC, 2021 IRC and 2021 IECC, plus ASHRAE and the Maine Model Radon Standard. The town's permit application refers to the 2021 MUBEC and requires radon and blower door results for all new homes, and the town posts the State Fire Marshal's flyer on the MUBEC update effective April 7, 2025.
Median year built 1979, by the Census Bureau's 2020–2024 estimates. Of 4,286 homes, 3,455 were built before 2000 and 864 before 1940, so most roofs in Harpswell are not the first one the house has had.
The building official on record is Tim Clark, Code Enforcement Officer and Local Plumbing Inspector; Tony Simmons, Code Enforcement Officer and Local Plumbing Inspector. The department's own number is on this page, beside its name.
It can. Harpswell has Auburn-Harpswell Association Historic District. Inside a designated district, changing a visible roof material or color can need preservation review before the permit is issued. Like-for-like replacement usually raises fewer questions, but we check before quoting.
Not yet: no completed roof in Harpswell is in our job records, so this page shows no job count.
Researched 2026-10-24; housing, Census ACS 2020–2024; hail, NOAA SPC. Sources: www.harpswell.maine.gov · www.harpswell.maine.gov · www.harpswell.maine.gov · www.harpswell.maine.gov · www.harpswell.maine.gov · www.harpswell.maine.gov · www.harpswell.maine.gov · www.harpswell.maine.gov · www.harpswell.maine.gov · www.harpswell.maine.gov · www.harpswell.maine.gov · en.wikipedia.org · en.wikipedia.org · www.zip-codes.com · tigerweb.geo.census.gov · data.census.gov · www.spc.noaa.gov. Rules and staff change; check with the jurisdiction.
