Roofer prices in San Francisco, CA
| Project | Time | Typical cost | Range |
|---|
| Roof inspection + written report |
1–2 hours |
$174 |
$143 – $209 |
| Single leak repair (small area, replace ~10 shingles) |
half day |
$513 |
$421 – $616 |
| Shingle replacement (storm spot repair, ~1 square) |
half day |
$821 |
$673 – $985 |
| Step-flashing replacement around chimney or skylight |
1 day |
$825 |
$677 – $990 |
| Seamless aluminum gutter install (150 ln ft) |
1 day |
$2,384 |
$1,955 – $2,861 |
| Tear-off + asphalt re-roof (1700 sq ft, mid-grade) |
2–3 days |
$14,580 |
$11,955 – $17,496 |
| Standing-seam metal roof (1700 sq ft) |
3–5 days |
$25,540 |
$20,943 – $30,648 |
| Synthetic underlayment + ice-shield refresh |
1 day |
$2,388 |
$1,958 – $2,866 |
| Skylight replacement (one fixed unit) |
1 day |
$1,320 |
$1,083 – $1,584 |
Local rate = BLS national mean × 2.4 markup × (CA COL 137.6/100). Materials adjusted by the same factor.
What a roofer in San Francisco actually does
A residential roofer either performs targeted repair (lifted shingles, popped nails, failed flashing, single-leak diagnosis) or a full tear-off and replacement. A reputable contractor will start with a multi-point inspection: shingle condition (granule loss, curling, cracking), flashing integrity around chimneys/sidewalls/penetrations, ridge and soffit ventilation, attic moisture signs, and decking condition (you don't know about rotten plywood until tear-off). Asphalt shingle is the dominant material in 80% of US homes; metal and tile dominate in storm-prone or arid markets. All re-roofs require a permit and at least one mid-roof inspection by the local AHJ in most jurisdictions, and OSHA 1926.501 requires fall protection for any work at heights above 6 feet — a non-negotiable safety/insurance issue.
Questions to ask before you hire in CA
- Are you a manufacturer-certified installer (GAF Master Elite, Owens Corning Platinum, CertainTeed Select)? Certification is required for the long manufacturer warranties.
- What's the workmanship warranty (separate from the manufacturer's shingle warranty), and is it transferable?
- How do you handle decking that's rotten under the old shingles — is it a per-sheet add, and what's the unit price?
- Will you tear off the old roof completely (single-layer install only), or are you proposing an overlay?
- Are ice & water shield, drip edge, and proper underlayment included to current code in my climate zone?
- What's the projected weather window, and what happens if a storm hits mid-job?
Door-to-door storm-chaser pitches, "we just did your neighbor's roof" without proof, asking for full payment up front, no permit pulled, or the company refusing to provide its state contractor license number.
5 licensed roofers in San Francisco
San Francisco Roofers
📍 2230 Oak Way, San Francisco, CA 94102
★ 4.4 / 5 · 342 reviews · 32 years in business
✓ Licensed ✓ Insured BBB A 32 yrs
Specialties: Storm damage, Roof replacement, Tear-off, Leak repair
Mitchell Apex Roofing
📍 5110 Cherry Dr, San Francisco, CA 94103
★ 4.8 / 5 · 294 reviews · 17 years in business
✓ Licensed ✓ Insured BBB A 24/7 Emergency 17 yrs
Specialties: Gutter install, Ventilation, Underlayment, Skylight install, Leak repair
San Francisco Roofing
📍 3959 Sunset Pkwy, San Francisco, CA 94109
★ 3.8 / 5 · 170 reviews · 21 years in business
✓ Licensed ✓ Insured BBB A- 24/7 Emergency 21 yrs
Specialties: Underlayment, Ventilation, Skylight install, Roof replacement
Brooks Roofing
📍 9203 Sycamore Blvd, San Francisco, CA 94102
★ 4.1 / 5 · 47 reviews · 33 years in business
✓ Licensed ✓ Insured BBB A 24/7 Emergency 33 yrs
Specialties: Ventilation, Skylight install, Leak repair, Roof replacement
Quality Crown Roofing
📍 1283 Meadow Blvd, San Francisco, CA 94103
★ 3.8 / 5 · 111 reviews · 30 years in business
✓ Licensed ✓ Insured BBB A+ 24/7 Emergency 30 yrs
Specialties: Ventilation, Shingle repair, Skylight install, Tear-off, Storm damage
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Seasonal roofing checklist for San Francisco homeowners
Spring
- After the last freeze, walk the perimeter and look for shingle granules collected at downspouts — heavy granule loss is the early sign of asphalt shingle wear.
- Inspect attic decking for any new daylight, dark stains, or musty smell; small leaks show up in the attic months before they show up on the ceiling.
- Trim any branches now overhanging the roof to at least 10 feet of clearance to prevent abrasion and squirrel access.
- Check pipe-boot rubber collars — UV cracks them every 8–10 years and they're a top-three leak source.
Fall
- Clean gutters and downspouts thoroughly after leaf-drop; clogged gutters cause ice damming and fascia rot all winter.
- Inspect and re-seal flashing around chimneys, skylights, and sidewall transitions before freeze-thaw cycles begin.
- Schedule any needed repairs now — most reputable roofers stop scheduling work in deep winter except for emergency tarp-and-patch.
- Verify attic ventilation (soffit + ridge) is unobstructed; poor venting is the #1 cause of premature shingle failure in the south and ice dams in the north.
Winter
- After heavy snow, rake the bottom 3–4 feet of the roof from the ground (snow rake) to prevent ice dam formation at the eave.
- Watch interior ceilings for new water stains during the first thaw — that's the moment any compromised flashing or shingle reveals itself.