Permit
Expect a building permit
The residential code’s permit-exempt list (R105.2) has no roofing line. Marlborough’s building department issues it, and the application carries the contractor’s HIC registration number.
Roof Replacement in Marlborough, MA
Half of the 17,247 homes in Marlborough were built before 1974. 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 Marlborough
Layers
One old layer can stay; two cannot
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). With 57% of Marlborough’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 statewide
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
118 mph design wind, 50 psf ground snow
Marlborough’s code design values are a 118 mph ultimate design wind speed and a 50 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))
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 Marlborough
Of 16,665 occupied homes in Marlborough, 9,336 (56%) are owner-occupied. By year built, 21% before 1940, 30% before 1960, 57% before 1980; 16% went up in 2000 or later. (ACS 2020–2024.)
By building type: 44% detached houses, 7% attached single-family houses (rowhouses, twins and townhouses), 17% buildings of two to four units, 3% manufactured homes.
Of the 54 Middlesex County municipalities on this site, Marlborough has the 39th largest share of homes built before 1980: 57%, against a county range of 29% to 87%.
ZIP codes: 01752
Marlborough and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Marlborough | 1974 | 57% | 56% | 7% | 15 |
| Hudson | 1970 | 60% | 73% | 7% | 11 |
| Southborough | 1981 | 49% | 88% | 7% | 14 |
| Berlin | 1992 | 43% | 77% | 20% | 14 |
| Northborough | 1980 | 49% | 83% | 8% | 18 |
| Stow | 1974 | 60% | 85% | 5% | 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 Marlborough
Since 2006 the National Weather Service has logged hail of 1 inch or larger on 15 separate days within 10 miles of Marlborough; the largest was 2 in on August 7, 2008. The most recent was July 17, 2021.
That is more hail days than 84% of the places in the state on this site.
Federal major-disaster declarations for storms in Middlesex County since 2006: 8, most recently DR-4379, Severe Winter Storm and Snowstorm, declared July 2018. (OpenFEMA.)
A report says hail fell near Marlborough, not that it damaged a roof. When wind or hail damage means a new roof.
What goes on the roof next
Lifespans come from HUD’s capital-needs table, not from a brochure. 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; 44% of homes here are detached | Class G or H at 118 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; 21% 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 | Seams at walls and drainage |
Checking a contractor in Massachusetts
In Marlborough 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 Marlborough
Does a roof replacement in Marlborough need a permit?
Expect a building permit. The residential code’s permit-exempt list (R105.2) has no roofing line. Marlborough’s building department issues it, and the application carries the contractor’s HIC registration number.
Do the old shingles have to come off in Marlborough?
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). With 57% of Marlborough’s homes were built before 1980, ask what is under the newest layer.
How old are the houses in Marlborough?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Marlborough was built in 1974, 57% of homes were built before 1980, 56% are owner-occupied.
How many hail days has Marlborough had?
Hail of 1 inch or larger was reported on 15 days within 10 miles of Marlborough 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 Marlborough?
In Marlborough 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 Marlborough, or at least the ZIP code
- 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
- The number of layers, if anyone has counted
- Your timing for a complete replacement
- Any historic-district or HOA rules on the house in Marlborough
- That you are the owner and the one who decides
The full list: before you call.