Roofing in San Francisco, CA

What roof-inspection Includes

A roof inspection here starts at the eave and works up. We check the drip edge, soffit, fascia, and every valley and penetration.

• Attic check: decking, truss, rafter, joist, ridge beam, insulation, ventilation, soffit vent, attic fan
• Surface review: shingle, tile, slate, wood shake, metal panel, membrane, parapet, ridge, hip, gable
• Flashing audit: step flashing, counter-flashing, chimney flashing, pipe flashing, pipe boot, vent boot, skylight, apron flashing
• Drainage: gutter, downspout, scupper, ponding water, debris
• Documentation: roof estimate, scope of work, photos for any insurance claim

We set a ladder or scaffold, tie off a safety harness, and never leave a roofing square behind.

Quality & Materials Standards

Material choice follows the roof, not a sales script. Victorian and Edwardian homes often carry wood shake or cedar shake, sometimes slate. Mid-century buildings lean on asphalt shingle, built-up roof, or modified bitumen. Low-slope and flat sections need membrane — TPO, EPDM, or PVC membrane.

Underlayment decides how long a roof lasts in fog. Synthetic underlayment beats old roofing felt and tar paper every time. Ice-and-water shield belongs in valleys and along the eave even without ice dam risk, because wind-driven rain climbs.

Fasteners and sealants matter as much as the surface. Every nail, screw, and fastener must be corrosion-rated. We use sealant, caulk, adhesive, mastic, and roof cement where the trade calls for them. A vapor barrier and proper waterproofing keep marine moisture out.

Coating systems extend low-slope life. Elastomeric coating, acrylic coating, silicone coating, and polyurethane coating each cure differently. Primer and cure time control adhesion; coverage rate and tensile strength determine performance. Reflective coatings drop attic heat, and UV degradation is the real enemy.

We document everything for your insurance claim. The adjuster needs proof of storm damage, and we supply claim documentation, scope of work, and a supplement when the first estimate misses hidden rot. Know your deductible, policy coverage, depreciation, and replacement cost before you file. A proof of loss and mitigation steps protect you if the claim stalls. Hail damage is rare here, but wind damage is not.

Local Service Areas

Mission District

Warm, sun-exposed blocks where flat and low-slope roofs dominate the older stock.

• Edwardian and Victorian row houses with tar and gravel built-up roof sections
• Modified bitumen and membrane failures at seams after years of UV degradation
• Ponding water near parapet drains and scupper blockages
• Wood shake and cedar shake drying, cracking, and losing granulated surface

Pacific Heights

Large historic homes on steep pitches where detail work decides roof life.

• Mansard, gambrel, and decorative rooflines with slate and clay tile
• Chimney flashing and counterflashing leaks around ornate masonry
• Copper and metal panel detailing that outlasts the underlayment beneath
• Wind-driven rain pushing past worn step flashing at dormer and valley

Sunset District

The fog belt, where marine moisture never really leaves the roof.

• Dense rows of 1930s–40s homes with low-pitch asphalt shingle
• Three-tab shingle and architectural shingle curling at the eave
• Moss and algae feeding on damp roofing felt and tar paper
• Fog-driven corrosion on gutter, downspout, and exposed fastener heads

Nob Hill

Steep urban roofs hemmed in by tight lots and overhead wires.

• High-pitch Victorian and Edwardian roofs needing scaffold and safety harness access
• Skylight, dormer, and canopy leaks on stacked urban rooflines
• Parapet coping and counterflashing failures on adjoining buildings
• Corrugated panel and metal roof sections between taller structures

Castro

Classic Victorians where original character and modern waterproofing meet.

• Ornamental cornices, verge, and rake trim hiding rotted fascia
• Wood shake and laminated shingle replacement on steep gable roofs
• Valley and ridge cap damage after strong Pacific wind
• Historic-district constraints shaping material and color choices

Call [PHONE] or reach us through the [CONTACT FORM] to schedule a roof inspection and written estimate.

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