| 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 |
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.
These pros are based in Modesto and routinely serve ZIP 95350. Sorted by proximity to the ZCTA centroid (37.6717°N, -121.0073°W).
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.