Permit
Roofing is not exempt
The residential code’s permit-exempt list (R105.2) has no roofing line. The application to Boxborough’s building department carries the contractor’s HIC number (R105.3).
Roof Replacement in Boxborough, MA
The median home in Boxborough was built in 1989; there are 2,353 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 Boxborough
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 46% of Boxborough’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 Boxborough, 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
117 mph design wind, 50 psf ground snow
Boxborough’s code design values are a 117 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))
Checked against the code text on October 24, 2026. The state’s code edition and the rest of its rules: roof replacement in Massachusetts.
Homes and roofs in Boxborough
73% of the occupied homes in Boxborough are lived in by their owners: 1,673 households, the people this line is for. Counting by decade, 10% before 1960, 46% before 1980 of the housing was in place, and 20% dates from 2000 on. (ACS 2020–2024.)
The housing is 59% detached houses, 5% attached single-family houses (rowhouses, twins and townhouses).
Of the 54 Middlesex County municipalities on this site, Boxborough has the 47th largest share of homes built before 1980: 46%, against a county range of 29% to 87%.
ZIP codes: 01719
Boxborough and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Boxborough | 1989 | 46% | 73% | 5% | 10 |
| Harvard | 1975 | 59% | 89% | 4% | 15 |
| Littleton | 1977 | 52% | 84% | 3% | 8 |
| Stow | 1974 | 60% | 85% | 5% | 10 |
| Acton | 1974 | 61% | 75% | 8% | 9 |
| Bolton | 1988 | 40% | 95% | 3% | 12 |
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 Boxborough
NOAA’s storm reports show 10 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Boxborough, topping out at 2 in on August 4, 2015. The most recent was June 6, 2025.
At the county level, Boxborough shares Middlesex County’s record of 8 storm disaster declarations since 2006, the newest DR-4379 (Severe Winter Storm and Snowstorm, July 2018). (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; 59% of homes here are detached | Class G or H at 117 mph design wind (IRC Table R905.2.4.1) |
| Metal (standing seam, panels) | 50 years | Simple roofs with long, unbroken slopes | A complete standing-seam system may go over the old roof (R908.3.1) |
| Slate | 75 years | Older and historic houses | Never a base for a new layer (R908.3.1.1); heavy |
| Flat roof: EPDM or TPO | 15 years | Additions and porch roofs | Seams at walls and drainage |
Checking a contractor in Massachusetts
For an owner-occupied home of one to four units in Boxborough, the contractor must be registered under the home improvement law (M.G.L. c. 142A), and a construction supervisor licensed (CSL) for roof covering supervises a permitted reroof. Ask for both numbers.
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 Boxborough
Does a roof replacement in Boxborough need a permit?
Roofing is not exempt. The residential code’s permit-exempt list (R105.2) has no roofing line. The application to Boxborough’s building department carries the contractor’s HIC number (R105.3).
Is a roof-over allowed in Boxborough, 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 46% of Boxborough’s homes were built before 1980, ask what is under the newest layer.
When were most homes in Boxborough built?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Boxborough was built in 1989, 46% of homes were built before 1980, 73% are owner-occupied.
How many hail days has Boxborough had?
Hail of 1 inch or larger was reported on 10 days within 10 miles of Boxborough 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 Boxborough have?
For an owner-occupied home of one to four units in Boxborough, the contractor must be registered under the home improvement law (M.G.L. c. 142A), and a construction supervisor licensed (CSL) for roof covering supervises a permitted reroof. Ask for both numbers.
What they will ask on the phone
- The street address in Boxborough, or at least the ZIP code
- One story or two (or more), detached or attached
- The roof you have today, shingle, metal, slate, tile or flat, and its rough age
- The number of layers, if anyone has counted
- That you want a new roof or a full replacement, and when you want the work done
- Whether the house is in a historic district or an HOA
- That the house is yours and the decision is yours
The full list: before you call.