If you have an emergency, call 911. It is acceptable to contact Peter or Carson, but do not delay to get help on the way if there is a fire or medical emergency.
There is a fire extinguisher under the kitchen sink.
The electrical circuit panel is in the bedroom, covered by the art over the bed. Move the art to the floor to access the panel.
There is a water shutoff valve on the back corner of the building, walk all the way around the building at ground level.