What matters for project planning
The useful point in the city's permit guide is that it separates review by trade rather than by project size, which is why an equipment swap that feels like maintenance is treated as permitted work. Replacing a furnace, an air handler or a condensing unit generally carries a mechanical permit and an inspection, and where the work touches electrical supply or gas piping those are separate reviews again. That has a practical consequence worth knowing: an unpermitted replacement can surface later at resale or on a warranty claim, so confirming that the permit was pulled is a reasonable question to ask before work starts rather than after.
Official sources
Verify the property, not just the city
Citywide context cannot establish a parcel’s flood zone, historic designation, stream buffer, permit requirements, soil conditions, or concealed construction. Confirm those items with the appropriate authority and selected provider before work begins.
Sources reviewed June 20, 2026. External requirements and maps can change.