Permit
A permit from Sharon
Massachusetts exempts sheds, fences and finish work from permits (R105.2), not roofing. Sharon’s building department issues it, and the application carries the contractor’s HIC registration number.
Roof Replacement in Sharon, MA
The median home in Sharon was built in 1970; there are 6,612 of them. 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 Sharon
Layers
No third layer
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. 63% of Sharon’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 statewide
There is no local exception: the state table says “yes.” It runs from the eave to 24 inches inside the exterior wall, more on steep roofs (IRC R905.1.2); check that the quote lists it.
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
122 mph design wind, 35 psf ground snow
Sharon’s code design values are a 122 mph ultimate design wind speed and a 35 psf ground snow load (35 psf minimum flat-roof snow load). 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))
Checked against the code text on October 24, 2026. Code edition, permit and contract rules for the whole state: roof replacement in Massachusetts.
Homes and roofs in Sharon
88% of the occupied homes in Sharon are lived in by their owners: 5,605 households, the people this line is for. Counting by decade, 15% before 1940, 39% before 1960, 63% before 1980 of the housing was in place, and 9% dates from 2000 on. (ACS 2020–2024.)
The housing is 83% detached houses, 5% buildings of two to four units.
Of the 28 Norfolk County municipalities on this site, Sharon has the 17th largest share of homes built before 1980: 63%, against a county range of 41% to 86%.
ZIP codes: 02067
Sharon and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Sharon | 1970 | 63% | 88% | 3% | 10 |
| Stoughton | 1969 | 71% | 74% | 8% | 10 |
| Walpole | 1977 | 53% | 84% | 8% | 10 |
| Foxborough | 1976 | 55% | 74% | 4% | 11 |
| Norwood | 1960 | 72% | 54% | 7% | 11 |
| Canton | 1980 | 50% | 74% | 7% | 14 |
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.
Hail and storms near Sharon
NOAA’s storm reports show 10 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Sharon, topping out at 1 in on August 15, 2024.
Norfolk County has had 8 federal major-disaster declarations for storms since 2006; the latest was DR-4651, Severe Winter Storm and Snowstorm (April 2022). (OpenFEMA.)
Storm reports are what observers logged, not a measure of damage to any roof. When wind or hail damage means a new roof.
What goes on the roof next
Useful life is HUD’s planning figure, not a warranty. 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; 83% of homes here are detached | Class G or H at 122 mph design wind (IRC Table R905.2.4.1) |
| Metal (standing seam, panels) | 50 years | Low pitches and long runs | A complete standing-seam system may go over the old roof (R908.3.1) |
| Slate | 75 years | Older houses; 15% here predate 1940 | Never a base for a new layer (R908.3.1.1); heavy |
| Flat roof: EPDM or TPO | 15 years | Additions and porch roofs | Coating is not a replacement |
Checking a contractor in Massachusetts
In Sharon 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.
Contracts, deposits and the right to cancel: checking a roofing contractor. What moves the price: new roof cost in Massachusetts.
Questions about a new roof in Sharon
Do I need a permit to replace a roof in Sharon?
A permit from Sharon. Massachusetts exempts sheds, fences and finish work from permits (R105.2), not roofing. Sharon’s building department issues it, and the application carries the contractor’s HIC registration number.
Is a roof-over allowed in Sharon, or is it a tear-off?
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. 63% of Sharon’s homes were built before 1980, so count the layers before comparing quotes.
When were most homes in Sharon built?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Sharon was built in 1970, 63% of homes were built before 1980, 88% are owner-occupied.
How many hail days has Sharon had?
Hail of 1 inch or larger was reported on 10 days within 10 miles of Sharon from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
What license or registration should a roofer in Sharon have?
In Sharon 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
- Your address or ZIP code in Sharon
- One story or two (or more), detached or attached
- The roof you have today, shingle, metal, slate, tile or flat, and its rough age
- How many layers are on it, if you know
- Your timing for a complete replacement
- Whether the house is in a historic district or an HOA
- That you own the home and decide on the roof
The full list: before you call.