

Roofing for Westbrook homes: replacement, leaks and storm damage. In Westbrook, the 2021 IRC is in force and 25% of the 9,575 homes went up before 1940. Any permit the job needs is ours to pull.
Westbrook runs to about 17.2 square miles and roughly 20,775 people. It sits about 6 miles northwest of downtown Portland. The community dates back to 1814. We cover ZIP codes 04092 and 04098.
No completed roof in Westbrook is logged in our job records yet.
We work across Westbrook rather than one corner of it — Cumberland Mills, Frenchtown, Prides Corner, Deer Hill, Birdland, Highland Lake, The Hamlet, Woodland, Colonial Village and Westbrook Pointe included. Age and construction change between them, which is why we look before we quote.
A mill city on the Presumpscot River, first called Saccarappa after the falls that powered its sawmills, with a large paper mill at Cumberland Mills. It was set off from Falmouth as a town in 1814 and became a city in 1891.
Postwar houses in Westbrook are plain to roof, which is exactly why so many get roofed carelessly. Expect 1x6 board decking or early plywood: usually sound, but it should be walked, not assumed. The weak spots are the shallow pitches — a porch roof, the join to a carport, the flat section over an addition — where shingles went on below their rated slope and have leaked slowly for years. Attics from this era rarely have the ventilation today's shingle warranties ask for, and a hot, under-vented attic ages a roof from below, so intake and exhaust get measured before the quote.
Westbrook has 9,575 homes in the Census Bureau's count and a median year built of 1975. 2,373 of them (25%) went up before 1940 — 7th of 64 places on this site for pre-1940 share — and 2,332 (24%) in 2000 or later. More of today's homes date from before 1940 than from any decade since. That is above Cumberland County's 23%.
The Maine Bureau of Insurance's claims guide puts the useful life of a roof at usually about 25 years. That puts 7,243 homes in Westbrook, the 76% built before 2000, past at least one full roof life, and 44% (4,252 homes) go back before 1970, two roof lives and more. Homes from the 2000s (855 in Westbrook) are reaching their first replacement, while the 1,477 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.
By building type: 4,247 detached houses (44%), 484 attached (5%). 2,822 homes (29%) sit in two- to nine-unit buildings and 1,395 (15%) in buildings of ten units or more, where a resident rarely gets to choose the roofer. The count also takes in 627 mobile homes, which are a different kind of roof job. Owners live in 61% of the 9,138 occupied homes. On a housing mix like this, the likely work is full tear-offs on houses past two roof lives, deck and flashing checks on pre-war board sheathing and flat and low-slope sections, which turn up more on attached and multi-unit buildings.
| Built | Homes | Share | |
|---|---|---|---|
| Before 1940 | 2,373 | 25% | |
| 1940s | 474 | 5% | |
| 1950s | 663 | 7% | |
| 1960s | 742 | 8% | |
| 1970s | 1,084 | 11% | |
| 1980s | 1,248 | 13% | |
| 1990s | 659 | 7% | |
| 2000s | 855 | 9% | |
| 2010s | 1,160 | 12% | |
| 2020 or later | 317 | 3% |
Census ACS 2020–2024, tables B25034, B25035, B25024 and B25003: 9,575 homes, 9,138 occupied. Survey estimates.
NOAA’s Storm Prediction Center logged 2 reports of hail 1 inch or larger within 5 miles of Westbrook’s center from 2016 through 2025, all on one day. None was 1.75 inches or larger. The largest, 1 inch, came on August 24, 2020, about 2.9 miles north of the center. Counts follow people as much as storms, since every report is a spotter’s or a resident’s.
Hail damage rarely shows from the ground; a storm inspection photographs each slope so you know either way.

Westbrook's online permit list has no separate roofing permit type; the general residential building permit covers renovations, alterations and structural alterations, and office staff help with projects that do not fit the listed categories. Building permits cost $50 plus $15 per $1,000 of construction cost.
Westbrook enforces the 2021 IRC. The City's Codes in Effect page says Westbrook enforces local and state codes including the Maine Uniform Building and Energy Code (MUBEC): the 2021 International Residential Code for residential construction, the 2021 International Building Code for commercial construction, and the 2021 International Energy Conservation Code, Mechanical Code and Existing Building Code. Chapter 123 of the City Code requires all construction, alteration and repair to comply with MUBEC.
The published number is 207-854-0638. The building official on record is Brian Stetson, Master Code Enforcement Officer. The department page is here.
The design wind speed a roof in Westbrook is built to depends on where the house stands: across greater Portland and southern Maine the published ultimate design wind speeds run 115–120 mph. Ground snow load is set for each address, not one figure for the whole area: the published figures here run 50–70 psf. The building department can confirm the figure, and the code guide explains what it governs.




Westbrook borders Portland, South Portland, Scarborough, Gorham, Windham and Falmouth. Our pages for them:
Also in Cumberland County:
| Town | Re-roof permit | Code | Median built |
|---|---|---|---|
| Westbrook | Not published | 2021 IRC | 1975 |
| Portland | No | 2021 IRC | 1946 |
| South Portland | Not published | 2021 IRC | 1968 |
| Scarborough | Not published | 2021 IRC | 1988 |
| Gorham | Not published | 2021 IRC | 1988 |
| Windham | Not published | 2021 IRC | 1985 |
| Falmouth | Not published | 2021 IRC | 1986 |
All 25 Cumberland County towns side by side →
Westbrook's online permit list has no separate roofing permit type; the general residential building permit covers renovations, alterations and structural alterations, and office staff help with projects that do not fit the listed categories. Building permits cost $50 plus $15 per $1,000 of construction cost.
Westbrook enforces the 2021 IRC. The City's Codes in Effect page says Westbrook enforces local and state codes including the Maine Uniform Building and Energy Code (MUBEC): the 2021 International Residential Code for residential construction, the 2021 International Building Code for commercial construction, and the 2021 International Energy Conservation Code, Mechanical Code and Existing Building Code. Chapter 123 of the City Code requires all construction, alteration and repair to comply with MUBEC.
Median year built 1975, by the Census Bureau's 2020–2024 estimates. Of 9,575 homes, 7,243 were built before 2000 and 2,373 before 1940, so most roofs in Westbrook are not the first one the house has had.
2 reports of 1-inch-plus hail fell within 5 miles of Westbrook between 2016 and 2025, the biggest 1 inch on August 24, 2020 (NOAA Storm Prediction Center).
The building official on record is Brian Stetson, Master Code Enforcement Officer. The department's own number is on this page, beside its name.
It can. Westbrook has Cumberland Mills 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 Westbrook 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.westbrookmaine.gov · www.westbrookmaine.gov · www.westbrookmaine.gov · ecode360.com · ecode360.com · public.mygov.us · 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.
