WiFi site survey in San Francisco.

San Francisco office space is a patchwork. Converted warehouses in SoMa and Mission Bay have exposed ceilings, thick masonry and tall open volumes, which suit design studios and engineering floors but scatter signal in ways that surprise first-time planners. Older Victorian and mid-century buildings add plaster, narrow corridors and odd room shapes. Towers in the Financial District bring glass, steel and elevator cores. A layout that works in one of these will often fail in the next, so measuring the real building saves you from buying more hardware than the floor needs.

Density is the other issue. A town hall, an all-hands meeting or a busy shared workspace can put many laptops, phones and headsets in one room, and neighboring tenants fill the same channels. Mission Bay laboratories add metal benches, equipment and rooms where coverage matters for instruments as well as people. Outdoor decks and rooftop terraces, popular in this city, expose access points to wind and damp. We scope the survey around these conditions, then check the finished network again so the design is proven in the building, not only on paper.

San Francisco packs an unusual amount of software into a small, hilly peninsula. Offices cluster in SoMa, the Financial District, Mission Bay and along the waterfront, many of them in converted brick warehouses or older towers retrofitted for networks they were never designed to carry. Startups, platform companies, fintech groups and biotech teams all run hybrid estates: some workloads in public cloud, some in leased cabinets, and some in server rooms that grew out of a spare closet. Teams are often spread across cities, so the person who understands a rack best is rarely standing next to it.

The city itself holds only a modest share of the region's colocation space, so much of it sits south in Silicon Valley or across the Bay in the East Bay, and the trip depends on bridge and freeway traffic. Inside the city, narrow streets, steep grades and scarce loading space shape every delivery. Earthquake awareness is part of building culture, and fog and salt air near the water affect anything installed outdoors. Pacific time means work often starts after East Coast teams are well into their day, or lands at the end of it.