MA Building Standards2026 Residential Code

Massachusetts Building Permit Costs, Exemptions & City Portals

Understand residential construction permit requirements in Massachusetts under 9th/10th Edition Massachusetts State Building Code (780 CMR & Stretch Energy Code). Calculate permit fee estimates for Boston and surrounding counties, check shed and fence exemptions, and review mandatory inspection procedures.

Massachusetts Statutory Ruling: Residential Permitting Standards & Exemptions

Massachusetts Building Permit Standard: Under 9th/10th Edition Massachusetts State Building Code (780 CMR & Stretch Energy Code), residential building permits are mandated for Historic brownstone alterations, Stretch Energy Code air-barrier remodels, Attic and dormer additions. Detached accessory storage sheds up to 200 sq ft and fences up to 7 ft are permit-exempt. Base municipal fees start at $120 plus plan check review fees.

Governing Code: 9th/10th Edition Massachusetts State Building Code (780 CMR & Stretch Energy Code)Metro Jurisdiction: City of Boston Inspectional Services Department (ISD)Last Verified: October 2026

Building Permit Cost & Requirement Estimator

Estimate municipal building permit fees, plan check review costs, and inspection requirements by project valuation.

Valuation includes labor and materials as required by municipal fee formulas.
Expected Permit Subcodes:
BuildingElectricalPlumbing

Estimated Municipal Permit Fees (Boston, MA)

Building Construction Permit:$575
Plan Check Review Fee (75%):$431
Subtrade Surcharges (Elec/Plumb/Mech):$150
Total Estimated Permit Cost:$983 – $1,330
⏱ Typical Plan Review Turnaround: 15–30 business days
Local Jurisdiction Department:
City of Boston Inspectional Services Department (ISD)
Open Official City Permit Portal →
State Building Standards Code: 9th/10th Edition Massachusetts State Building Code (780 CMR & Stretch Energy Code). Detached one-story accessory tool sheds are permit-exempt up to 200 sq ft. Fences up to 7 feet tall are exempt from building permits.

Planning Construction Budgets in Boston?

Compare full contractor labor and material cost benchmarks across kitchen, bathroom, ADU, and roof replacements.

Explore Metro Cost Guides →

Massachusetts Building Code Exemption Guidelines

Detached Shed Exemption Cap
Up to 200 sq ft
One-story tool/storage shed without electrical or plumbing
Fence Height Exemption Cap
Up to 7 Feet Tall
Standard residential boundary privacy fences

Projects Strictly Requiring Building Permits in Massachusetts

  • Historic brownstone alterations
  • Stretch Energy Code air-barrier remodels
  • Attic and dormer additions
  • HVAC heating plant replacements

Permit-Exempt Cosmetic Improvements in Massachusetts

  • One-story detached sheds under 200 sq ft
  • Fences under 7 feet tall
  • Cosmetic painting and interior cabinetry

Penalties for Unpermitted Work in Massachusetts

ISD assesses daily fines of $300 to $1,000, double permit costs, and refusal of certificate of occupancy.

Major Municipal Building Department (Boston)

For properties located in or around Boston, residential permits are processed through the City of Boston Inspectional Services Department (ISD). Standard residential plan check reviews typically take 15–30 business days.

Access Boston Online Permitting Portal →

Massachusetts Building Permit FAQs

What is the Massachusetts Stretch Energy Code for home remodels?

Over 300 Massachusetts towns have adopted the Stretch Energy Code, requiring home additions and major renovations to meet stringent HERS energy ratings and continuous insulation standards.

Who can pull building permits in Massachusetts?

Major structural work requires a Construction Supervisor License (CSL). Homeowners may pull an "Owner-Occupied Exemption" permit for single or two-family homes they occupy.

Compliance Notice: Building codes are adopted locally and may vary between incorporated cities and unincorporated county districts in Massachusetts. Always verify specific setback and permitting requirements with your local jurisdiction before commencing construction.