Roof Replacement in Charlton, MA

The median home in Charlton was built in 1985; there are 5,197 of them. 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.

A Massachusetts Cape Cod house with a new shingle roof after light snow

The rules for a reroof in Charlton

Permit

A permit from Charlton

Massachusetts exempts sheds, fences and finish work from permits (R105.2), not roofing. Charlton’s building department issues it, and the application carries the contractor’s HIC registration number.

Source: 780 CMR 51.00, Chapter 1 amendments (R105)

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. 40% of Charlton’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 Charlton, as in every Massachusetts town

There is no local exception: the state table says “yes.” 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

Charlton’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))

Checked against the code text on October 24, 2026. Everything else the state requires: roof replacement in Massachusetts.

Homes and roofs in Charlton

85% of the occupied homes in Charlton are lived in by their owners: 4,251 households, the people this line is for. Counting by decade, 8% before 1940, 17% before 1960, 40% before 1980 of the housing was in place, and 23% dates from 2000 on. (ACS 2020–2024.)

The housing is 83% detached houses, 9% buildings of two to four units.

Of the 59 Worcester County municipalities on this site, Charlton has the 56th largest share of homes built before 1980: 40%, against a county range of 35% to 79%.

ZIP codes: 01507

Charlton and the towns around it

Place	Median built	Before 1980	Owners	Row, twin	Hail days
Charlton	1985	40%	85%	2%	12
Oxford	1972	61%	83%	5%	12
Dudley	1967	67%	73%	3%	10
Southbridge	1956	76%	43%	2%	11
East Brookfield	1968	60%	83%	0%	16
Sturbridge	1982	47%	86%	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.

Hail and storms near Charlton

NOAA’s storm reports show 12 days since 2006 with hail of at least 1 inch inside a 10-mile circle around Charlton, topping out at 2 in on June 1, 2011. The most recent was May 8, 2024.

Worcester County has had 7 federal major-disaster declarations for storms since 2006; the latest was 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; 83% 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	Low pitches and long runs	A complete standing-seam system may go over the old roof (R908.3.1)
Slate	75 years	Older houses; 8% here predate 1940	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

In Charlton 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.

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 Charlton

Is a permit required for a new roof in Charlton, MA?

A permit from Charlton. Massachusetts exempts sheds, fences and finish work from permits (R105.2), not roofing. Charlton’s building department issues it, and the application carries the contractor’s HIC registration number.

Can a new roof go over the old one in Charlton?

When were most homes in Charlton built?

By the Census Bureau’s American Community Survey (2020–2024), the median home in Charlton was built in 1985, 40% of homes were built before 1980, 85% are owner-occupied.

How often does hail hit Charlton?

Hail of 1 inch or larger was reported on 12 days within 10 miles of Charlton 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 Charlton have?