Permit Required? Required
Typical Fee Range $150–$450 In-kind reroofing is available via instant online permits for registered contractors.
Fee Method Valuation-based
Apply Online Apply at San Francisco Department of Building Inspection →

What's Required in San Francisco

  • Building permit required for any reroofing project in San Francisco
  • Class A fire-rated roofing materials are mandatory for all new installations
  • In-kind replacement (same material) can be applied for online by registered contractors
  • Structural repairs to roof decking or rafters require an OTC permit with plans
  • Historic buildings (Article 10 or 11) must obtain Planning approval for any roof changes
  • Title 24 cool roof requirements apply to low-slope residential roofs (pitch < 2:12)

Do You Need a Permit to Replace a Roof in San Francisco

In almost every case, yes — a full roof replacement (a tear-off and re-cover, or a complete reroof) requires a building permit in San Francisco, issued by the San Francisco Department of Building Inspection. 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 San Francisco

The dividing line in San Francisco 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 San Francisco Department of Building Inspection — the requirements above list what San Francisco expects.

How to Get a Roof Replacement Permit in San Francisco

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Step 1: Determine Method

Check if your reroof is 'in-kind' or requires structural repairs.

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Step 2: Instant Online Filing

Registered contractors can apply for an instant permit on PermitSF for standard shingle/tile swaps.

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Step 3: Fee Payment

Pay the valuation-based fee (e.g., ~$150 for a $5k project) plus the tech surcharge.

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Step 4: Installation

Install the new roof following the current California Building Code.

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Step 5: Final Inspection

Schedule a final inspection via DBI to verify venting and flashing compliance.

Frequently Asked Questions

Yes, all reroofing projects require a building permit in San Francisco.
Standard residential reroofs typically cost between $150 and $450 in permit fees.
Yes, registered contractors can obtain instant online permits for most shingle replacements.
Yes — a full roof replacement or tear-off requires a building permit in San Francisco from the San Francisco Department of Building Inspection, 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 San Francisco Department of Building Inspection.
Small repairs — patching a leak, replacing a few shingles, or fixing flashing — usually don’t need a permit in San Francisco, 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 San Francisco Department of Building Inspection.