Permit Required? Sometimes Required
Typical Fee Range $50–$250 A 'Short Form' permit for minor alterations is $20 primary fee plus $10 per $1,000 of estimated cost.
Fee Method Valuation-based
Apply Online Apply at Inspectional Services Department →

What's Required in Boston

  • Permit required for replacement of more than 25% of the roof covering.
  • Maximum of two layers of shingles allowed by Massachusetts code.
  • Ice and water shield mandatory extending 24 inches inside wall line.
  • Drip edge must be installed at all eaves and gables.
  • Contractor must be licensed in Massachusetts and provide proof of insurance.
  • Approval from the Landmarks Commission if home is in a Historic District.

Do You Need a Permit to Replace a Roof in Boston

In almost every case, yes — a full roof replacement (a tear-off and re-cover, or a complete reroof) requires a building permit in Boston, issued by the Inspectional Services Department. Replacing the roof covering is regulated work because it affects the structure’s weather envelope and, on a tear-off, exposes the sheathing for inspection. A licensed roofing contractor usually pulls the permit, and an inspection may be required after the old material is removed and again at completion. Permit-free roofing is generally limited to minor repairs — not a whole-roof replacement.

Roof Repair vs. Replacement: When You Need a Permit in Boston

The dividing line in Boston is usually the scope of work. Small repairs — patching a leak, swapping a few damaged shingles, or fixing flashing — often don’t require a permit. A full replacement, a tear-off down to the deck, adding a second layer over the old shingles, or any change to the roof structure (rafters, trusses, sheathing) generally does. Some cities also cap how much roof area you can repair before it counts as a replacement. Because that threshold and any wind- or fire-zone rules vary, confirm the cutoff with the Inspectional Services Department — the requirements above list what Boston expects.

How to Get a Roof Replacement Permit in Boston

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Step 1: Check Historic Status

Verify if the property is in a designated historic district.

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Step 2: Contractor Hire

Ensure the roofer has a valid Construction Supervisor License (CSL).

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Step 3: Apply Online

Submit a 'Short Form' application for minor residential alterations.

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Step 4: Pay Fees

$20 primary fee plus valuation costs once approved.

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Step 5: Final Inspection

Schedule an inspection once the roof is finished to verify code compliance.

Frequently Asked Questions

No, small repairs under 25% of the roof area are generally exempt.
Homeowners of 1-3 family dwellings can pull a permit but must pass all inspections.
A third layer is prohibited; you must strip to the deck if two layers exist.
Yes — a full roof replacement or tear-off requires a building permit in Boston from the Inspectional Services Department, and it’s usually pulled by a licensed roofing contractor. Minor repairs (a small patch or a few shingles) are often exempt. Confirm the repair-vs-replacement threshold with the Inspectional Services Department.
Small repairs — patching a leak, replacing a few shingles, or fixing flashing — usually don’t need a permit in Boston, while a full replacement, tear-off, added shingle layer, or structural change does. Some cities cap the repairable area before it’s treated as a replacement; check with the Inspectional Services Department.