If you're designing residential security coverage for a high-net-worth property in Vancouver and you're quoting a staffing model before you've walked the site, you're already wrong. The site survey isn't a preliminary step — it's the spec document everything else derives from. This guide runs through the full decision flow: survey inputs, perimeter architecture, staffing model selection, and technology integration, all anchored to what BC Security Services Act actually permits licensed officers to do at a private residence. Skip to the tables if you need cost references fast. Read the full thing if you're building or scoping the deployment. Vancouver's residential threat environment: what shapes the spec Vancouver's premium residential precincts — Downtown, Gastown, West End, Yaletown — don't share a single risk profile. The threat mix differs by precinct, and a plan calibrated for the wrong one leaves a structural gap. Downtown and Gastown sit adjacent to BC Place and Rogers Arena.…