Fixture wear, short bursts, valve noise, and pipe movement can prompt a pressure check, but none proves high pressure alone.
The short answer
Record the symptoms, affected fixtures, and timing. Do not change a regulator or operate an unfamiliar control. Ask a qualified provider to explain where pressure is measured, under what flow condition, and what equipment or public-supply factors are relevant to the property.
What to notice
Connect symptoms without combining causes
Repeated supply-hose failures, relief discharge, faucet splash, valve noise, and water hammer each deserve attention. They can have more than one cause. List them separately and include dates. A provider should support a proposed pressure-related repair with measurements and inspection, not a single noise or generalized statement.
Understand control-device scope
If a pressure-reducing valve, expansion control, or other component is identified, ask what it serves and how its condition was established. Equipment requirements depend on the actual system and manufacturer directions. Replacement may involve shutoff, testing, and permit questions that belong in the written plan.
Protect connected equipment
Water heaters, appliances, faucets, toilets, filters, and irrigation connections can all respond differently to supply conditions. Ask whether any visible damage needs separate repair and how normal operation will be demonstrated afterward. Avoid assuming one adjustment resolves already damaged components.
One useful question
Is a store-bought gauge enough to diagnose the system?
A gauge may provide a useful observation when used correctly, but placement, time, demand, and equipment condition affect interpretation. A single reading does not establish the cause or code compliance. Ask the responsible provider to document the measurement behind a proposed repair.