Roof Repair That Fixes the Actual Problem — Not Just the Symptom

Common Roof Repairs We Handle in the Mission District

Mission District roofs deal with a different combination than most of the city: the neighborhood's position in the Twin Peaks rain shadow means more direct sun and wider daily temperature swings than the fog-belt streets to the west, plus a housing stock heavy on Victorian and Edwardian flats — often split into TIC units — where a flat rear or rooftop section carries its own maintenance history separate from the street-facing pitch. Most repair calls we get fall into a few categories:

• Active leaks — traced from the interior stain back to the actual entry point, which is often on a flat or low-slope section rather than the visible pitched roof.
• Sun-cracked or curling shingles — common on south- and west-facing slopes that take the Mission's above-average direct sun exposure day after day, accelerating UV breakdown.
• Damaged or corroded flashing — around chimneys, vents, and parapet caps, usually the #1 hidden source of "mystery" leaks.
• Soft or sagging deck sections — a sign of longer-term moisture intrusion that needs deck repair, not just a patch.
• Membrane seam and blister failure — on flat rooftop sections, an early warning sign before a leak actually shows up inside.