Permit
Roofing is not exempt
Massachusetts exempts sheds, fences and finish work from permits (R105.2), not roofing. In Barnstable the building department takes the application, with the contractor’s home improvement registration on it.
Roof Replacement in Barnstable, MA
Half of the 27,656 homes in Barnstable were built before 1978. The rules below decide how much of the old roof has to come off and what goes under the new one.
New Roofing Costs connects homeowners with independent local roofing contractors. We do not perform roofing work.
Call (833) 781-1806 Replacement and new roofs only · homeowners
This number connects homeowners who are planning a new roof or a full roof replacement with independent local roofing contractors. It is not for leak repairs or patch jobs. The call must come from the homeowner who decides on the roof. Calls may be recorded.
The rules for a reroof in Barnstable
Layers
Two layers means a tear-off
A new roof may go over one existing layer; with two or more, or over slate, clay or cement tile, everything comes off to the deck (IRC R908.3.1.1). 55% of Barnstable’s homes were built before 1980, so count the layers before comparing quotes.
Source: IRC 2021, Chapter 9 (Pennsylvania edition, UpCodes); 780 CMR 51.00, Chapter 9 amendments
Ice barrier
Required in Barnstable, as in every Massachusetts town
The state’s climate table marks the ice barrier “yes” statewide. That is a self-adhering membrane, or two cemented layers of underlayment, from the eave to at least 24 inches inside the wall line (IRC R905.1.2).
Source: 780 CMR 51.00, Chapter 3 amendments (Tables R301.2(1) and R301.2(2)); IRC 2021, Chapter 9 (Pennsylvania edition, UpCodes)
Wind and snow
130 mph design wind, 30 psf ground snow
Barnstable’s code design values are a 130 mph ultimate design wind speed and a 30 psf ground snow load (25 psf minimum flat-roof snow load); the town is in the windborne debris region. At that wind speed the code calls for asphalt shingles labeled ASTM D7158 Class G or H (Table R905.2.4.1).
Source: 780 CMR 51.00, Chapter 3 amendments (Tables R301.2(1) and R301.2(2)); IRC 2021, Chapter 9 (Pennsylvania edition, UpCodes) (780 CMR 51.00, Table R301.2(2))
Rules as read on October 24, 2026. The state’s code edition and the rest of its rules: roof replacement in Massachusetts.
Homes and roofs in Barnstable
Of 21,413 occupied homes in Barnstable, 16,219 (76%) are owner-occupied. By year built, 10% before 1940, 21% before 1960, 55% before 1980; 12% went up in 2000 or later. (ACS 2020–2024.)
By building type: 81% detached houses, 4% attached single-family houses (rowhouses, twins and townhouses).
19% of the homes in Barnstable are seasonal or occasional-use homes (ACS 2020–2024). If yours is one of them and you live elsewhere, the call still has to come from you as the owner.
Of the 15 Barnstable County municipalities on this site, Barnstable has the 10th largest share of homes built before 1980: 55%, against a county range of 25% to 73%.
ZIP codes: 02601 · 02630 · 02632 · 02635 · 02637 · 02647 · 02648 · 02655 · 02668 · 02672
Barnstable and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Barnstable | 1978 | 55% | 76% | 4% | 3 |
| Yarmouth | 1974 | 68% | 82% | 6% | 3 |
| Sandwich | 1982 | 43% | 89% | 1% | 5 |
| Mashpee | 1988 | 25% | 82% | 12% | 2 |
| Dennis | 1970 | 73% | 79% | 5% | 3 |
| Bourne | 1975 | 58% | 76% | 9% | 4 |
Median built: median year the homes were built. Before 1980: share of homes built then. Owners: share of homes that are owner-occupied. Row, twin: share of homes that are rowhouses, twins or townhouses. Census ACS 2020–2024. Hail days: days with hail of 1 inch or larger within 10 miles, 2006–2025, NOAA Storm Prediction Center.
Storm record around Barnstable
NOAA’s storm reports show 3 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Barnstable, topping out at 1.5 in on July 2, 2009. The most recent was August 2, 2011.
That is fewer than most places in the state on this site (median 10 days).
Severe Winter Storm and Flooding (DR-4372, June 2018) is the latest of 6 federal storm declarations covering Barnstable County since 2006. (OpenFEMA.)
A report says hail fell near Barnstable, not that it damaged a roof. When wind or hail damage means a new roof.
What goes on the roof next
HUD’s useful-life figures are for planning; a warranty is a separate promise. For Barnstable’s houses: More in the guides to shingles, metal, slate and flat roofs.
| Material | HUD useful life | Fits a house like | Watch for |
|---|---|---|---|
| Asphalt shingles | 20 years | Most pitched roofs; 81% of homes here are detached | Class G or H at 130 mph design wind (IRC Table R905.2.4.1) |
| Metal (standing seam, panels) | 50 years | Roofs that will carry solar later | Standing seam that carries its own loads can skip the tear-off (R908.3.1) |
| Slate | 75 years | Older houses; 10% here predate 1940 | Can’t be roofed over; check the framing for the weight |
| Flat roof: EPDM or TPO | 15 years | Porches, additions, low-slope rears | Where the roof meets a wall or parapet |
Checking a contractor in Massachusetts
In Barnstable the contractor’s HIC registration (M.G.L. c. 142A) and the CSL of the supervisor licensed for roof covering are the two numbers to look up before signing.
The price side is in what a new roof costs in Massachusetts; the paperwork side in checking a roofing contractor.
Questions about a new roof in Barnstable
Is a permit required for a new roof in Barnstable, MA?
Roofing is not exempt. Massachusetts exempts sheds, fences and finish work from permits (R105.2), not roofing. In Barnstable the building department takes the application, with the contractor’s home improvement registration on it.
Is a roof-over allowed in Barnstable, or is it a tear-off?
A new roof may go over one existing layer; with two or more, or over slate, clay or cement tile, everything comes off to the deck (IRC R908.3.1.1). 55% of Barnstable’s homes were built before 1980, so count the layers before comparing quotes.
How old are the houses in Barnstable?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Barnstable was built in 1978, 55% of homes were built before 1980, 76% are owner-occupied.
How many hail days has Barnstable had?
Hail of 1 inch or larger was reported on 3 days within 10 miles of Barnstable from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
How do I check a roofing contractor in Barnstable?
In Barnstable the contractor’s HIC registration (M.G.L. c. 142A) and the CSL of the supervisor licensed for roof covering are the two numbers to look up before signing.
What they will ask on the phone
- The street address in Barnstable, or at least the ZIP code
- The number of stories, and whether the house stands alone
- What covers the roof now and about when it went on
- The number of layers, if anyone has counted
- Your timing for a complete replacement
- Any historic-district or HOA rules on the house in Barnstable
- That you own the home and decide on the roof
The full list: before you call.