Roofing Cost Calculator: Estimate Your Roof Replacement Cost

Roof Replacement Costs in San Diego

A full roof replacement in San Diego costs $8,000 to $30,000+ depending on size, pitch, and material. Asphalt shingles (most common): $8,000-$15,000 for a typical 1,500-2,000 sq ft roof. Concrete tile: $15,000-$25,000. Clay tile: $20,000-$35,000. Metal standing seam: $18,000-$30,000. Flat roof (TPO/EPDM): $6,000-$12,000. San Diego roofing costs average $4.50-$12.00 per square foot installed, with coastal homes running 10-15% higher due to salt air requirements.

What Drives Roofing Costs?

Roof size: Measured in "squares" (100 sq ft each). Average San Diego home is 20-30 squares. Pitch/slope: Steeper roofs cost 15-30% more due to safety equipment and slower labor. Layers: Tear-off of existing layers adds $1,000-$3,000. Decking repair: Rotted plywood replacement costs $50-$100 per sheet. Permits: $400-$800 in San Diego County. Ventilation: Ridge vents, turbines, or solar fans add $200-$800.

Best Roofing Materials for San Diego

Asphalt shingles: Best value, 20-30 year lifespan, $3.50-$6.00/sq ft. Concrete tile: Popular in SD, 40-50 year lifespan, fire-resistant, $7-$12/sq ft. Clay tile: Classic Mediterranean look, 50+ years, $10-$18/sq ft. Metal: Reflects heat, 40-60 years, energy-efficient, $9-$15/sq ft. Cool roofing: California Title 24 requires cool roofing in many applications — reflective coatings reduce cooling costs 10-25%.

When to Repair vs Replace Your Roof

Repair if: damage is localized to one area, roof is under 15 years old, less than 25% of surface is affected. Repairs cost $300-$2,000. Replace if: roof is 20+ years old, multiple leaks, curling/missing shingles across the whole roof, daylight visible through decking. Our roofing calculator estimates both repair and full replacement costs so you can compare. Insurance may cover storm damage — file a claim before paying out of pocket.