Permit
A permit from Granville
The residential code’s permit-exempt list (R105.2) has no roofing line. The application to Granville’s building department carries the contractor’s HIC number (R105.3).
Roof Replacement in Granville, MA
The median home in Granville was built in 1966; there are 780 of them. What the code requires when that roof is replaced, and who signs off, is below.
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 Granville
Layers
Two layers means a tear-off
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. With 64% of Granville’s homes were built before 1980, ask what is under the newest layer.
Source: IRC 2021, Chapter 9 (Pennsylvania edition, UpCodes); 780 CMR 51.00, Chapter 9 amendments
Ice barrier
Required in Granville, as in every Massachusetts town
There is no local exception: the state table says “yes.” Membrane or doubled underlayment, eave to 24 inches inside the wall line (IRC R905.1.2), is a line on every quote here.
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
114 mph design wind, 50 psf ground snow
Granville’s code design values are a 114 mph ultimate design wind speed and a 50 psf ground snow load (40 psf minimum flat-roof snow load). At that wind speed the code calls for asphalt shingles labeled ASTM D7158 Class D, 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. Everything else the state requires: roof replacement in Massachusetts.
Homes and roofs in Granville
Owners live in 702 of Granville’s occupied homes, or 93%. By year built, 35% before 1940, 44% before 1960, 64% before 1980; 11% went up in 2000 or later. (ACS 2020–2024.)
By building type: 95% detached houses.
On a house built before 1940, ask what the deck is (boards or plywood) and whether slate sits under the later layers: slate can’t be roofed over.
Of the 21 Hampden County municipalities on this site, Granville has the 15th largest share of homes built before 1980: 64%, against a county range of 37% to 86%.
ZIP codes: 01034
Granville and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Granville | 1966 | 64% | 93% | 3% | 16 |
| Russell | 1963 | 70% | 85% | 1% | 16 |
| Southwick | 1978 | 53% | 83% | 7% | 13 |
| Blandford | 1966 | 69% | 97% | 1% | 16 |
| Westfield | 1964 | 72% | 69% | 3% | 21 |
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 Granville
NOAA’s storm reports show 16 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Granville, topping out at 2 in on August 26, 2024. The most recent was June 6, 2025.
That is more hail days than 90% of the places in the state on this site.
Severe Winter Storm, Snowstorm, and Flooding (DR-4110, April 2013) is the latest of 7 federal storm declarations covering Hampden County since 2006. (OpenFEMA.)
A report says hail fell near Granville, not that it damaged a 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; 95% of homes here are detached | Class D, G or H at 114 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; 35% here predate 1940 | Never a base for a new layer (R908.3.1.1); heavy |
| 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
Two numbers to ask for in Granville: the HIC registration (M.G.L. c. 142A, for owner-occupied homes of one to four units) and the construction supervisor license (CSL) with the roof covering specialty.
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 Granville
Does a roof replacement in Granville need a permit?
A permit from Granville. The residential code’s permit-exempt list (R105.2) has no roofing line. The application to Granville’s building department carries the contractor’s HIC number (R105.3).
Can a new roof go over the old one in Granville?
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. With 64% of Granville’s homes were built before 1980, ask what is under the newest layer.
How old are the houses in Granville?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Granville was built in 1966, 64% of homes were built before 1980, 93% are owner-occupied.
How often does hail hit Granville?
Hail of 1 inch or larger was reported on 16 days within 10 miles of Granville 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 Granville?
Two numbers to ask for in Granville: the HIC registration (M.G.L. c. 142A, for owner-occupied homes of one to four units) and the construction supervisor license (CSL) with the roof covering specialty.
What they will ask on the phone
- The street address in Granville, 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 Granville
- That you own the home and decide on the roof
The full list: before you call.