Permit
Roofing is not exempt
The residential code’s permit-exempt list (R105.2) has no roofing line. The application to Southwick’s building department carries the contractor’s HIC number (R105.3).
Roof Replacement in Southwick, MA
The median home in Southwick was built in 1978; there are 4,188 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 Southwick
Layers
Two layers means 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 53% of Southwick’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
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
115 mph design wind, 40 psf ground snow
Southwick’s code design values are a 115 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))
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 Southwick
Of 3,815 occupied homes in Southwick, 3,183 (83%) are owner-occupied. Counting by decade, 13% before 1940, 31% before 1960, 53% before 1980 of the housing was in place, and 15% dates from 2000 on. (ACS 2020–2024.)
The housing is 78% detached houses, 7% attached single-family houses (rowhouses, twins and townhouses), 6% buildings of two to four units.
Of the 21 Hampden County municipalities on this site, Southwick has the 19th largest share of homes built before 1980: 53%, against a county range of 37% to 86%.
ZIP codes: 01077
Southwick and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Southwick | 1978 | 53% | 83% | 7% | 13 |
| Westfield | 1964 | 72% | 69% | 3% | 21 |
| Agawam | 1970 | 76% | 74% | 5% | 19 |
| Granville | 1966 | 64% | 93% | 3% | 16 |
| West Springfield | 1958 | 74% | 59% | 4% | 18 |
| Russell | 1963 | 70% | 85% | 1% | 16 |
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 Southwick
Within 10 miles of Southwick, hail of an inch or more was reported on 13 days between 2006 and 2025, the biggest stones 2.5 in on May 15, 2018. The most recent was June 6, 2025.
At the county level, Southwick shares Hampden County’s record of 7 storm disaster declarations since 2006, the newest DR-4110 (Severe Winter Storm, Snowstorm, and Flooding, April 2013). (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; 78% of homes here are detached | Class D, G or H at 115 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 houses; 13% here predate 1940 | Can’t be roofed over; check the framing for the weight |
| 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 Southwick, 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 Southwick
Is a permit required for a new roof in Southwick, MA?
Roofing is not exempt. The residential code’s permit-exempt list (R105.2) has no roofing line. The application to Southwick’s building department carries the contractor’s HIC number (R105.3).
Is a roof-over allowed in Southwick, 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 53% of Southwick’s homes were built before 1980, ask what is under the newest layer.
When were most homes in Southwick built?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Southwick was built in 1978, 53% of homes were built before 1980, 83% are owner-occupied.
Does Southwick get hail that damages roofs?
Hail of 1 inch or larger was reported on 13 days within 10 miles of Southwick 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 Southwick have?
For an owner-occupied home of one to four units in Southwick, 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 Southwick, or at least the ZIP code
- The number of stories, and whether the house stands alone
- 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
- Your timing for a complete replacement
- Whether the house is in a historic district or an HOA
- That you are the owner and the one who decides
The full list: before you call.