Last updated: July 7, 2026 · Prices reviewed quarterly
The working rule across the industry: when more than about 25% of the roof is damaged — or the roof is near the end of its material lifespan — replacement usually beats repair on cost per remaining year. Repairs run $400-$2,000; replacement averages $9,602. Here is how to make the call with math instead of fear.
The decision framework
| Situation | Smart move | Why |
|---|---|---|
| A few missing shingles, roof under 10 yrs | Repair ($400 – $1,000) | Isolated damage, long life ahead |
| Localized leak, mid-life roof | Repair + inspection ($600 – $2,000) | Fix it, verify the rest is sound |
| 15–25% damaged | Repair, start budgeting | The next event tips the math |
| Over ~25% damaged | Price BOTH — replacement often wins | Repeated mobilizations cost more than one project |
| 20+ yr asphalt with real damage | Replace | Repairs on a dying roof are rent, not investment |
The math that settles it
Compare cost per remaining year. A $1,500 repair that buys a 22-year-old asphalt roof 3 more years costs $500/year. A $12,000 replacement lasting 25 years costs $480/year — AND removes leak risk, insurance friction and the next repair bill. When repair quotes on an old roof reach 20-30% of current replacement cost, replacement is nearly always the better buy.
Age thresholds by material
Asphalt: repairs make sense under ~15 years, questionable at 20+. Metal: repairs are almost always viable within its 40-70 year life. Tile: individual tiles crack — repair them; but the underlayment beneath lasts 20-30 years and its renewal is the real project. Wood shake past 25 years: patching chases a moving target.
The insurance angle most owners miss
If storm damage crosses that ~25% line — or your shingle model is discontinued — many policies and several states’ “matching” rules push toward paying full slopes or full replacement rather than patchwork. Document damage extent precisely and get an independent roofer’s count of affected squares before accepting a small patch settlement. Post-storm ceiling stains are evidence: trace them properly.
Official resources & free help
- Storm claim disputes / matching rules: state insurance department via NAIC
- Verify roofers: your state contractor licensing board lookup
- Post-disaster repair help: DisasterAssistance.gov · FEMA 1-800-621-3362
FAQ
A roofer says the whole roof needs replacing after one leak.
Get two more opinions. One leak on a young roof is a flashing or penetration fix — the 25% rule exists precisely to resist upsells.
Can I replace just one slope?
Yes — common after one-sided storm damage. Color matching is imperfect; some insurers and states have matching provisions worth invoking.
Repair now, replace in two years — dumb?
Not if cash flow demands it: a $600 repair that safely bridges to a planned replacement is rational. Just do not repeat it twice a year on a dying roof.
Prices on this page are researched estimates compiled from the cited sources; your local costs will vary with market, access and scope. Always get multiple written quotes from licensed professionals before hiring.