Permit
Expect a building permit
SBC-2’s permit-exempt list (R105.2) has no roofing line. A reroof in Cranston goes through the building official.
Source: RI SBC-2, One and Two Family Dwellings (510-RICR-00-00-2)
Roof Replacement in Cranston, RI
Cranston has 33,834 homes, and half of them were standing by 1958. 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 Cranston
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). 78% of Cranston’s homes were built before 1980, so count the layers before comparing quotes.
Source: RI SBC-2, One and Two Family Dwellings (510-RICR-00-00-2); IRC 2021, Chapter 9 (Pennsylvania edition, UpCodes)
Ice barrier
Required in Cranston, as in every Rhode Island town
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: RI SBC-2, One and Two Family Dwellings (510-RICR-00-00-2); IRC 2021, Chapter 9 (Pennsylvania edition, UpCodes)
Rules as read on October 24, 2026. Code edition, permit and contract rules for the whole state: roof replacement in Rhode Island.
Homes and roofs in Cranston
Of 32,595 occupied homes in Cranston, 22,047 (68%) are owner-occupied. By year built, 29% before 1940, 54% before 1960, 78% before 1980; 7% went up in 2000 or later. (ACS 2020–2024.)
By building type: 63% detached houses, 19% buildings of two to four units.
Of the 16 Providence County municipalities on this site, Cranston has the 5th largest share of homes built before 1980: 78%, against a county range of 56% to 84%.
ZIP codes: 02823 · 02905 · 02910 · 02920 · 02921
Cranston and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Cranston | 1958 | 78% | 68% | 3% | 14 |
| Johnston | 1968 | 69% | 76% | 3% | 11 |
| Providence | 1938 | 82% | 41% | 4% | 11 |
| Warwick | 1961 | 77% | 73% | 4% | 9 |
| West Warwick | 1968 | 68% | 57% | 7% | 13 |
| North Providence | 1970 | 66% | 64% | 6% | 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 Cranston
Since 2006 the National Weather Service has logged hail of 1 inch or larger on 14 separate days within 10 miles of Cranston; the largest was 1.75 in on June 29, 2019. The most recent was August 26, 2024.
That is more hail days than 97% of the places in the state on this site.
Federal major-disaster declarations for storms in Providence County since 2006: 8, most recently DR-4766, Severe Storms and Flooding, declared March 2024. (OpenFEMA.)
A report says hail fell near Cranston, not that it damaged a roof. When wind or hail damage means a new roof.
What goes on the roof next
HUD’s useful-life figures are for planning; a warranty is a separate promise. For Cranston’s houses: 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 | Wind class set by the design wind speed (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; 29% 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 Rhode Island
Rhode Island contractors register with the Contractors’ Registration and Licensing Board (R.I. Gen. Laws ch. 5-65); there is no separate residential roofing license. Ask for the number of anyone pricing a roof in Cranston and check it on the board’s search.
The price side is in what a new roof costs in Rhode Island; the paperwork side in checking a roofing contractor.
Questions about a new roof in Cranston
Does a roof replacement in Cranston need a permit?
Expect a building permit. SBC-2’s permit-exempt list (R105.2) has no roofing line. A reroof in Cranston goes through the building official.
Is a roof-over allowed in Cranston, or is it a tear-off?
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). 78% of Cranston’s homes were built before 1980, so count the layers before comparing quotes.
How old are the houses in Cranston?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Cranston was built in 1958, 78% of homes were built before 1980, 68% are owner-occupied.
How often does hail hit Cranston?
Hail of 1 inch or larger was reported on 14 days within 10 miles of Cranston 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 Cranston?
Rhode Island contractors register with the Contractors’ Registration and Licensing Board (R.I. Gen. Laws ch. 5-65); there is no separate residential roofing license. Ask for the number of anyone pricing a roof in Cranston and check it on the board’s search.
What they will ask on the phone
- The street address in Cranston, 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
- Whether there is one layer or more, if you know
- That you want a new roof or a full replacement, and when you want the work done
- Any historic-district or HOA rules on the house in Cranston
- That the house is yours and the decision is yours
The full list: before you call.