Start with where your parent actually loses their footing. For most Vancouver homes that's stepping in and out of a wet tub, or rising from the toilet, so plan placement around their height and reach, not a standard spot on a diagram. A good installer will watch how the person moves before drilling anything.
The wall matters more than people expect. In older East Van and Point Grey houses you often have real wood studs behind lath and plaster, which gives an installer solid places to anchor. Downtown and Yaletown condos are trickier: tiled surrounds, metal studs, or concrete can hide behind the finish, so bars need proper backing or heavy-duty concrete anchors rather than tile alone. Ask directly how they'll find and hit solid backing, and confirm the bars are textured for wet hands and rated to hold real weight, not just look the part. Given our wet winters, that grip texture earns its keep.
Prioritize installers with genuine accessibility experience, current licensing and liability insurance, and a warranty that covers both the hardware and the workmanship. In our experience, a quick, clear service response also tells you a lot about how they'll treat a follow-up if a bar ever loosens.
Here's our take: for anything anchored into tile, concrete, or an unknown wall, hire a pro rather than doing it yourself. A grab bar that pulls out is worse than none at all, because your parent will trust it. The honest trade-off is that professional grab bar installation in Vancouver costs more than a hardware-store bar and a weekend afternoon. We think that's money well spent for something a person will put their full weight on. If it's a simple bar into confirmed wood studs, a handy family member can manage it, just verify the anchoring first.