Roof repair and replacement in Boston
Our guide to roof repair and replacement covers how the job works. Below: the Boston numbers a roofer looks at, with sources.
What Boston weather means for this job
Census figures put the median year built for Boston homes at 1947. By median year built, homes here are older than in 49 of the 56 other cities we cover. Homes that age can have older decking that needs work during a tear-off.
Source: Census ACS
Source: Census ACS
Owners occupy roughly 36% of the occupied homes in Boston. That is 101,166 of 283,374 households. Of the 56 other cities in this network, 2 have a lower share of owner-occupied homes. If you rent, roof leaks are usually the owner's repair.
Source: Census ACS
Source: Census ACS
In Boston, 12% of housing units are single-family detached and 35% sit in buildings with 10 or more units. The share of detached houses here is higher than in 3 of the 56 other cities we cover. If you live in a larger building, the roof is usually the association's or the owner's job.
Source: Census ACS
Source: Census ACS
Boston logs roughly 43.6 inches of precipitation in an average year. Measured at the Boston Logan Intl Ap (MA) station. Of the 56 other cities in this network, 34 have a lower yearly precipitation. Rainfall at that level finds any lifted shingle or cracked pipe boot.
Source: NOAA normals
Source: NOAA normals
Normal snowfall near Boston is about 49.2 inches a year. Measured at the Boston Logan Intl Ap (MA) station. Of the 40 other cities in this network, 37 have a lower yearly snowfall. Snow loads and ice dams at the eaves are a roof concern when snowfall reaches that level.
Source: NOAA normals
Source: NOAA normals
Suffolk County, MA carries a relatively moderate hail risk rating in FEMA's National Risk Index. The same hail rating applies in 14 of the 56 other cities in this network. Where hail risk runs at that level, ask about impact rated shingles.
Source: FEMA risk index
Source: FEMA risk index
The strong wind risk for Suffolk County, MA is rated relatively moderate in FEMA's National Risk Index. 14 of the 55 other cities we cover sit in counties with the same strong wind rating. Strong wind risk at that level makes edge and ridge details matter.
Source: FEMA risk index
Source: FEMA risk index
FEMA's National Risk Index rates hurricane risk in Suffolk County, MA as relatively high. The same hurricane rating applies in 5 of the 40 other cities in this network. Where hurricanes reach, local code may set stricter roof attachment rules.
Source: FEMA risk index
Source: FEMA risk index
Suffolk County, MA carries a relatively moderate tornado risk rating in FEMA's National Risk Index. 6 of the 56 other cities we cover sit in counties with the same tornado rating.
Source: FEMA risk index
Source: FEMA risk index
Official board: Office of Consumer Affairs and Business Regulation, Home Improvement Contractor Program (Massachusetts)
Sources, checked October 2026
Local offices and rules in Boston
Boston's Inspectional Services Department (ISD) issues building permits from 1010 Massachusetts Avenue, 5th Floor, Boston, MA 02118.
Source: www.boston.gov. Checked October 2026.
Source: www.boston.gov. Checked October 2026.
ISD offers an online portal at onlinepermitsandlicenses.cityofboston.gov/isdpermits where applicants can apply for some permits and print approved ones.
Source: www.boston.gov. Checked October 2026.
Source: www.boston.gov. Checked October 2026.
The city's Boston Permitting guide files roof work under its Repair category (fixing roofs, decks and porches) and under Build or Make an Addition for building a new roof, with applications through the Inspectional Services portal.
Source: www.boston.gov. Checked October 2026.
Source: www.boston.gov. Checked October 2026.
Repairing an existing roof without structural changes in Boston is done on a Short-Form Permit, and owners of 1-2 unit owner-occupied homes may do it themselves; once the work is finished an inspection must be booked through the Inspectional Services call center or online, and an inspector calls back within 48 hours.
Source: www.boston.gov. Checked October 2026.
Source: www.boston.gov. Checked October 2026.
Stay off the roof, especially when it is wet, icy or steep. If a leak is near light fixtures or wiring, turn off that circuit at the panel.
Common jobs
