Why a newer roof can still leak
A young roof covering does not rule out a problem at a flashing, seam or penetration.

Age does not identify the entry point
A ceiling stain after a hard rain is frustrating on any house. On a newer roof, it can be especially confusing because you expected age to be on your side. Age is useful background, but it does not identify the place water entered.
Water can travel along the deck or framing before it appears indoors. A stain near a vent does not automatically mean the vent is the source, and a leak during wind-driven rain may not appear during lighter weather.
Forney Roofing Co can help you start with the symptom. Request a free inspection and describe when and where it appeared.
Look at transitions before blaming every shingle
A roof is interrupted by pipes, walls, valleys and other transitions. Each needs a connection that sheds water back onto the roof surface. A damaged boot, an open flashing connection or a detail that moves differently from its surroundings can let water through while nearby shingles remain intact.
That does not mean every newer-roof leak is an installation defect. Damage, alterations, adjoining wall conditions, equipment and other sources may need investigation. The useful question is what physical detail explains the observed water, not which broad explanation sounds most likely.
Roof repair planning explains why the surrounding material matters when choosing the correction.
Keep the leak history useful
Write down the date, weather and room where water appeared. Take safe indoor and ground-level photos. Locate the original invoice and warranty documents, but do not climb onto the roof to prove a theory.
If you contact the original installer or a warranty issuer, ask what notice and documentation it requires. Keep that process separate from making assumptions about which party is responsible.
Forney Roofing Co’s warranty guide can help you identify the issuer and terms. When the roof itself needs checking, request a free inspection and bring the leak history.