Permit
Roofing is not exempt
Roofing is not on the Massachusetts list of work exempt from a permit (780 CMR 51.00, R105.2). Monson’s building department issues it, and the application carries the contractor’s HIC registration number.
Roof Replacement in Monson, MA
The median home in Monson was built in 1970; there are 3,451 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 Monson
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. With 61% of Monson’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 Monson, as in every Massachusetts town
Massachusetts answers “yes” to the ice barrier for every town. 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
116 mph design wind, 40 psf ground snow
Monson’s code design values are a 116 mph ultimate design wind speed and a 40 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 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. The state’s code edition and the rest of its rules: roof replacement in Massachusetts.
Homes and roofs in Monson
83% of the occupied homes in Monson are lived in by their owners: 2,662 households, the people this line is for. By year built, 26% before 1940, 43% before 1960, 61% before 1980; 15% went up in 2000 or later. (ACS 2020–2024.)
By building type: 78% detached houses, 13% buildings of two to four units.
Of the 21 Hampden County municipalities on this site, Monson has the 17th largest share of homes built before 1980: 61%, against a county range of 37% to 86%.
ZIP codes: 01057
Monson and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Monson | 1970 | 61% | 83% | 2% | 10 |
| Wales | 1983 | 45% | 89% | 1% | 9 |
| Hampden | 1966 | 72% | 95% | 3% | 15 |
| Wilbraham | 1966 | 71% | 89% | 2% | 12 |
| Brimfield | 1988 | 37% | 88% | 0% | 10 |
| Palmer | 1962 | 72% | 72% | 3% | 10 |
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 Monson
Since 2006 the National Weather Service has logged hail of 1 inch or larger on 10 separate days within 10 miles of Monson; the largest was 1.75 in on August 1, 2011. The most recent was August 26, 2024.
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 Monson, 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 Monson’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; 78% of homes here are detached | Class D, G or H at 116 mph design wind (IRC Table R905.2.4.1) |
| Metal (standing seam, panels) | 50 years | Low pitches and long runs | Standing seam that carries its own loads can skip the tear-off (R908.3.1) |
| Slate | 75 years | Older houses; 26% here predate 1940 | Sound slate can be reused (R908.5); broken slate cannot |
| 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 Monson: 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 Monson
Is a permit required for a new roof in Monson, MA?
Roofing is not exempt. Roofing is not on the Massachusetts list of work exempt from a permit (780 CMR 51.00, R105.2). Monson’s building department issues it, and the application carries the contractor’s HIC registration number.
Is a roof-over allowed in Monson, 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. With 61% of Monson’s homes were built before 1980, ask what is under the newest layer.
How old are the houses in Monson?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Monson was built in 1970, 61% of homes were built before 1980, 83% are owner-occupied.
Does Monson get hail that damages roofs?
Hail of 1 inch or larger was reported on 10 days within 10 miles of Monson 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 Monson?
Two numbers to ask for in Monson: 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
- Where the house is: the Monson address or ZIP
- One story or two (or more), detached or attached
- What is on the roof now (asphalt shingles, metal, slate, tile, or a flat membrane) and roughly how old it is
- How many layers are on it, if you know
- That the job is a full replacement or a new roof, and your timing
- Any historic-district or HOA rules on the house in Monson
- That the house is yours and the decision is yours
The full list: before you call.