4th Systems Electrical

4th Systems is an electrical contractor serving the Greater Seattle area, with work for residential, commercial and industrial clients. Residential jobs cover panel and service upgrades, EV charging, lighting, electrical repairs, knob and tube rewiring, and low-voltage systems such as smart home controls, home security and audio-video. Commercial work includes standby generators, switchgear, building automation and fire alarm monitoring.

The company offers free estimates and emergency electrical service around the clock, with standard weekday hours from 5 AM to 5 PM and emergency calls handled on weekends. Its main office is at 11235 26th Ave SW in Seattle, and the team works mainly across the Puget Sound region.