Yes — Subang Jaya is generally safe for tourists and is considered one of the more comfortable suburban cities in the Klang Valley. Violent crime targeting visitors is rare, and the city's educated, cosmopolitan population creates a welcoming atmosphere for international guests.
The main risks are opportunistic: snatch theft (keep bags close in crowded markets and car parks), phone snatching, and occasional car break-ins. Avoid flashing expensive jewellery or electronics in busy street areas at night.
Road safety is a practical concern — pedestrian crossings are improving but drivers don't always yield, so use overhead bridges where available and cross at marked junctions. Flooding during heavy monsoon rains occasionally affects low-lying streets (notably parts of USJ), so check local weather alerts.
Overall, solo travellers, families, and female travellers report feeling comfortable in Subang Jaya. The presence of a large university population (Monash University Malaysia, Taylor's University) keeps the city lively and relatively safe around the clock.