Licensed Electrician in Cos Cob, CT – Trusted by Homeowners & Businesses

Looking for a reliable electrician in Cos Cob, CT? Chestnut Electric has proudly served the Greenwich area—including Cos Cob—for over 40 years. Our licensed electricians provide expert residential and commercial electrical services, with a reputation for quality workmanship, safety, and fast response times.

Why Choose Chestnut Electric in Cos Cob, CT?

  • ✅ Locally Owned & Operated in Fairfield County

  • ✅ Licensed, Bonded & Insured Electricians

  • ✅ Emergency Electrical Services Available

  • ✅ Transparent Pricing & Detailed Estimates

  • ✅ 5-Star Rated on Google & HomeAdvisor

Whether you’re renovating your home, upgrading your service panel, or need an emergency repair, we deliver professional service with integrity.

Residential Electrical Services in Cos Cob

Our skilled electricians handle a full range of home electrical needs, including:

  • Electrical panel upgrades & replacements

  • Whole-home rewiring

  • Indoor & outdoor lighting installations

  • Ceiling fan & appliance wiring

  • Electric vehicle (EV) charger installations

  • GFCI & AFCI outlet installations

  • Surge protection & grounding

  • Troubleshooting & code compliance repairs

All work is completed to current Connecticut electrical code standards to keep your family safe.

Commercial Electrical Services

Chestnut Electric also supports Cos Cob’s local businesses, offices, and retail properties with:

  • Tenant buildouts & commercial wiring

  • Generator installations & maintenance

  • Security & exterior lighting systems

  • Backup power solutions

  • Energy-efficient lighting retrofits

  • Data cabling & structured wiring

We understand the importance of minimal downtime and reliable performance—our commercial electricians work around your schedule to keep your operations running smoothly.

Electrical Inspections & Safety Checks

Concerned about old wiring or flickering lights? We offer comprehensive electrical inspections in Cos Cob, ideal for:

  • Home buyers & real estate transactions

  • Insurance policy renewals

  • Pre-renovation planning

  • Preventative maintenance

Identifying hazards early can help prevent costly repairs or fire risks down the road.

Need an Electrician Near You in Cos Cob?

Chestnut Electric is your local, dependable choice for everything from minor fixes to major upgrades. We proudly serve all of Cos Cob, CT 06807, and the greater Greenwich area.

📞 Call us today at (203) 869-9242 for fast, friendly service or to schedule an estimate.