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READYDOCSCOMPLIANCESTATESMASSACHUSETTSSUFFOLK COUNTY
FILE 25025 · COUNTY OF SUFFOLKSEAT · BOSTONPOPULATION · 770KVERIFIED · 05 / 2026
Public Compliance Directory · County Hub

Suffolk.

Suffolk County in Massachusetts. This is where the state file translates into the local offices that actually issue the permit, schedule the inspection, and sign the filing. Start with the state baseline, then drill into the right city.

Cities on file
1
Trades indexed
12
County seat
Boston
Last verified
05 / 2026
FAST FACTS

Suffolk County at a glance

Quick-reference card
County seatBoston
Population (est.)770K
FIPS25025
Building departmentCity-by-city; Boston, Chelsea, Revere, and Winthrop run independent permit portals
Permit portalCity-by-city; each municipality maintains its own online permitting system
Fire marshalMassachusetts Department of Fire Services and local municipal fire departments
Browse cities→Back to state←
County of
Suffolk
· ACTIVE FILE ·
ARTICLE I · COUNTY BASELINE
CODES & LOCAL AUTHORITY
FIPS 25025
Article I · County Baseline

The county inherits from the state. And adds local rules.

Massachusetts State Building Code (9th Edition) based on the 2015 International Building Code with state-specific amendments.

Suffolk County is a geographic entity with no county-level government or building department; all permitting, zoning, and code enforcement are handled exclusively by the individual cities of Boston, Chelsea, Revere, and Winthrop. There is no county-wide regulatory overlay, though coastal municipalities are subject to state-level Wetlands Protection Act regulations.

The City of Boston enforces a strict Article 80 development review process for large-scale projects that requires extensive community and environmental impact assessment.

How this fits with the state

The state authority here is Massachusetts Office of Public Safety and Inspections; local building departments. The county file does not replace that — it adds the permit office, local overlays, and the actual filing path.

Source · City-by-city; Boston, Chelsea, Revere, and Winthrop run independent permit portalsLast verified · 05 / 2026
ARTICLE II · PERMIT OFFICES
WHERE THE PERMIT IS FILED
OPERATING PATH
Article II · Local Offices

Who issues, who inspects, who signs off.

Contractors must hold a state-issued Construction Supervisor License (CSL) and Home Improvement Contractor (HIC) registration, with some cities requiring additional local business registration.

Building

City-by-city; Boston, Chelsea, Revere, and Winthrop run independent permit portals

Permits, plans, inspections

Verify hours, requirements, and fees on the local portal before filing.

Office · local
See sources →
Permit portal

City-by-city; each municipality maintains its own online permitting system

Apply, track, pay

Verify hours, requirements, and fees on the local portal before filing.

Office · local
See sources →
Planning / zoning

City-by-city; each municipality maintains its own planning and zoning department

Land use, plan review

Verify hours, requirements, and fees on the local portal before filing.

Office · local
See sources →
Fire marshal

Massachusetts Department of Fire Services and local municipal fire departments

Prevention, alarms, sprinklers

Verify hours, requirements, and fees on the local portal before filing.

Office · local
See sources →
ARTICLE III · INSURANCE & BONDS
COUNTY OVERLAY ON STATE BASELINE
VERIFY BEFORE BIDDING
Article III · County Overlay

What Suffolk County usually adds.

The state sets the floor. The county and city can require additional certificates, local bonds, or pre-permit registration.

CoverageRequired?MinimumIssued by
Workers' CompensationState rule with county add-ons
Verify
Required with employees; verify exemptions
State authority
General LiabilityOften required by permit type
Conditional
Permit-based
City-by-city; Boston, Chelsea, Revere, and Winthrop run independent permit portals
Surety BondTied to state license or county permit
Conditional
Guaranty fund/registration rules; local bonds vary
State or county
County overlayContractors must adhere to state-mandated workers' compensation insurance requirements, with additional liability coverage often required by individual municipal permit offices.
Verify
Varies
City-by-city; Boston, Chelsea, Revere, and Winthrop run independent permit portals
Source · City-by-city; Boston, Chelsea, Revere, and Winthrop run independent permit portalsVerify before filing
ARTICLE IV · INDEXED CITIES
CITIES IN SUFFOLK COUNTY
1 CITY
Article IV · Browse by City

Indexed cities in Suffolk County.

Pick a city to open its trade list. The trade page covers licensing, permits, insurance, and typical costs for that work in that city.

BostonSuffolk County
01
ARTICLE V · TRADES
TRADES IN SUFFOLK COUNTY
12 TRADES
Article V · Trades

Trades branching in Suffolk County.

Each trade opens against the first indexed city in the county. Use the city browser above to open the same trade in another city.

Concrete
CODE · CN
GL
Open file →
Electrical
CODE · EL
State Lic.GLBond
Open file →
Flooring
CODE · FL
GL
Open file →
Framing
CODE · FR
GL
Open file →
General Contracting
CODE · GC
State Lic.GLBond
Open file →
HVAC
CODE · HV
State Lic.GLBond
Open file →
Landscaping
CODE · LS
GL
Open file →
Painting
CODE · PT
GL
Open file →
Pest Control
CODE · PC
State Lic.GL
Open file →
Plumbing
CODE · PL
State Lic.GLBond
Open file →
Pool Service
CODE · PS
GLBond
Open file →
Roofing
CODE · RF
LicenseBondGL
Open file →
ARTICLE VI · SOURCES
LOCAL SOURCE REGISTER
VERIFY LOCALLY
Article VI · Sources & Citations

Every filing needs a source trail.

This template keeps the county page honest: local context here, filing decisions made with the issuing office.

State

Massachusetts Office of Public Safety and Inspections; local building departments

Statewide licensing, reciprocity, and renewal rules.

/contractors/massachusetts
VERIFIED
05 / 2026
County

City-by-city; Boston, Chelsea, Revere, and Winthrop run independent permit portals

Department that issues permits and schedules inspections for unincorporated areas.

City-by-city; each municipality maintains its own online permitting system
VERIFIED
05 / 2026
Planning

City-by-city; each municipality maintains its own planning and zoning department

Land use, zoning review, and plan approvals.

Local planning office
VERIFIED
05 / 2026
Fire

Massachusetts Department of Fire Services and local municipal fire departments

Prevention, protection systems, and code approvals.

Fire marshal's office
VERIFIED
05 / 2026
Frequently Asked

Questions contractors ask before filing.

Q01Do I need a state license to work in Suffolk County?+
Usually yes — the baseline is the state license through Massachusetts Office of Public Safety and Inspections; local building departments. Suffolk County and its cities may add local registration before you pull a permit.Source · Massachusetts Office of Public Safety and Inspections; local building departments
Q02Does the county or the city issue the permit?+
It depends on where the work is. Unincorporated areas usually route through the county (City-by-city; Boston, Chelsea, Revere, and Winthrop run independent permit portals). Work inside an incorporated city normally files with that city's department.Source · City-by-city; Boston, Chelsea, Revere, and Winthrop run independent permit portals
Q03What changes between county and state?+
The county adds the actual permit office, local zoning overlays, plan-review timelines, inspections, and local fees. The state license defines who can contract; the county defines how the job gets filed.Source · County and municipal departments

Open the county file. Then pick the city.

Suffolk County now inherits from the state template and adds its own local detail. The next layer is the city and trade pages.

Browse cities→Back to state←