Permit
A permit from Randolph
Roofing is not on the Massachusetts list of work exempt from a permit (780 CMR 51.00, R105.2). In Randolph the building department takes the application, with the contractor’s home improvement registration on it.
Roof Replacement in Randolph, MA
Randolph has 13,080 homes, and half of them were standing by 1966. 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 Randolph
Layers
One old layer can stay; two cannot
On a roof that already carries two layers, or slate or tile, the code allows no recover: it is a tear-off (IRC R908.3.1.1). 70% of Randolph’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 Randolph
The state’s climate table marks the ice barrier “yes” statewide. 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
Randolph’s code design values are a 122 mph ultimate design wind speed and a 35 psf ground snow load (30 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))
Rules as read on October 24, 2026. Code edition, permit and contract rules for the whole state: roof replacement in Massachusetts.
Homes and roofs in Randolph
Of 12,747 occupied homes in Randolph, 9,084 (71%) are owner-occupied. By year built, 14% before 1940, 38% before 1960, 70% before 1980; 12% went up in 2000 or later. (ACS 2020–2024.)
By building type: 63% detached houses, 10% attached single-family houses (rowhouses, twins and townhouses), 8% buildings of two to four units.
Of the 28 Norfolk County municipalities on this site, Randolph has the 11th largest share of homes built before 1980: 70%, against a county range of 41% to 86%.
ZIP codes: 02368
Randolph and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Randolph | 1966 | 70% | 71% | 10% | 15 |
| Braintree | 1957 | 75% | 78% | 4% | 13 |
| Avon | 1954 | 77% | 76% | 5% | 10 |
| Canton | 1980 | 50% | 74% | 7% | 14 |
| Holbrook | 1957 | 80% | 84% | 2% | 8 |
| Milton | 1945 | 82% | 85% | 5% | 13 |
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 Randolph
NOAA’s storm reports show 15 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Randolph, topping out at 2 in on August 4, 2015. The most recent was August 14, 2025.
That is more hail days than 84% of the places in the state on this site.
Federal major-disaster declarations for storms in Norfolk County since 2006: 8, most recently DR-4651, Severe Winter Storm and Snowstorm, declared April 2022. (OpenFEMA.)
A report says hail fell near Randolph, 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; 63% 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 | Standing seam that carries its own loads can skip the tear-off (R908.3.1) |
| Slate | 75 years | Older houses; 14% 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 | Coating is not a replacement |
Checking a contractor in Massachusetts
In Randolph 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 Randolph
Do I need a permit to replace a roof in Randolph?
A permit from Randolph. Roofing is not on the Massachusetts list of work exempt from a permit (780 CMR 51.00, R105.2). In Randolph the building department takes the application, with the contractor’s home improvement registration on it.
Can a new roof go over the old one in Randolph?
On a roof that already carries two layers, or slate or tile, the code allows no recover: it is a tear-off (IRC R908.3.1.1). 70% of Randolph’s homes were built before 1980, so count the layers before comparing quotes.
How old are the houses in Randolph?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Randolph was built in 1966, 70% of homes were built before 1980, 71% are owner-occupied.
Does Randolph get hail that damages roofs?
Hail of 1 inch or larger was reported on 15 days within 10 miles of Randolph 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 Randolph?
In Randolph 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
- Where the house is: the Randolph address or ZIP
- How many stories the house has, and whether it is 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
- That the job is a full replacement or a new roof, and your timing
- Any historic-district or HOA rules on the house in Randolph
- That you own the home and decide on the roof
The full list: before you call.