Your roof quietly protects your home every day through harsh sun, rainstorms, high winds, and everything in between. But like all parts of a house, a roof has a lifespan. Knowing when it might be time for a replacement can help you prevent costly damage and make informed decisions before emergencies arise.
Here are five key signs your roof may be telling you it’s ready to retire.

1. Your Roof Is 20+ Years Old
Even if your roof looks fine at a glance, age matters. Most asphalt shingle roofs last about 20 to 25 years. After that, materials begin to degrade, and hidden issues can develop under the surface. If your roof is older and hasn’t had a recent inspection, it’s wise to get a professional opinion, even if there are no obvious problems yet.
2. Shingles Are Curling, Cracked, or Missing
Shingles are your roof’s first line of defense. Over time, they can:
- Curl at the edges
- Crack due to UV damage
- Shed protective granules
- Go missing entirely
These symptoms allow water to get underneath, eventually leading to leaks, wood rot, or mold. Even if it’s just a few damaged shingles, they can point to broader wear and tear.
3. Leaks or Stains Inside the House
If you see:
- Water stains on ceilings or walls
- Damp insulation in the attic
- Mold or mildew near skylights or vents
… it’s a strong indicator that your roof’s protective barrier is compromised. Sometimes leaks are isolated, but if they reoccur or appear in multiple places, it may be time to consider a full replacement rather than another patch.
4. The Roofline Is Sagging
A sagging or uneven roofline usually means there’s moisture damage to the underlying structure. This can happen from long-term leaks that have rotted the decking or framing. It’s one of the more serious signs, and often a sign that replacement—not repair—is the safest next step.
5. Unexplained Increases in Energy Bills
If your cooling or heating bills have gone up without explanation, your roof could be playing a part. Poor ventilation or degraded insulation under an aging roof makes it harder to regulate indoor temperatures. While many factors can affect energy efficiency, a failing roof is often overlooked.
Final Thoughts
You don’t need to be a roofing expert to spot when something feels “off.” Often, a simple visual check after a storm or once a season can help you catch early signs of trouble. And even if you’re not sure whether replacement is necessary, a trusted inspection can help give you peace of mind.
Need a Second Opinion?
If you’re unsure about your roof’s condition or just want a professional set of eyes, Phillips Roofing & Restoration offers honest, pressure-free roof assessments in Corpus Christi, San Antonio, and surrounding areas. They’ve helped hundreds of homeowners make informed decisions, whether that means scheduling a repair, budgeting for future replacement, or realizing everything’s still in great shape.