Electrical Wiring Services in Montgomery County, MD

Proper wiring is essential for ensuring the safety and functionality of your electrical systems. At Castro Electrical Services, we provide professional wiring services for homes and businesses to keep them running smoothly and efficiently.

Contact our licensed electricians online or call us at (240) 474-5567 for your electrical wiring services.

We offer a wide range of wiring services to meet your needs, from installing new wiring for your home renovation to upgrading your commercial electrical system for improved energy efficiency.

  • Appliance Wiring
  • New Construction Wiring
  • Ceiling Fan Installation and Wiring
  • Pool & Hot Tub Wiring
  • Outlet Wiring
  • New Lighting Wiring
  • New Home Wiring Services
  • Room Addition Wiring Services
  • Underground Wiring Services
  • Microwave Wiring Services
  • Garbage Disposal Wiring Services
  • Dishwasher Wiring Services
  • Air Conditioner Wiring Services
  • Heating Wiring Services
  • Furnace Wiring Services
  • Water Heater Wiring Services
  • Phone Jack Wiring Services
  • Outlet Wiring Services
  • Electrical Panel Wiring Services

When do I need to upgrade my electrical wiring?

If you're experiencing flickering lights, tripped breakers, or other electrical issues, our expert technicians can diagnose and fix the problem. We can also help you upgrade your outdated wiring or install new wiring to improve safety and efficiency.

  • Frequent power outages or tripped circuit breakers
  • Flickering or dimming lights
  • Burning smells or unusual noises coming from electrical outlets or appliances
  • Outlets that are warm or hot to the touch
  • Wiring that is more than 30 years old

What is involved in installing new electrical wiring?

Installing new electrical wiring involves several steps, including:

  • Planning and design involves determining the electrical needs and requirements of the property and creating a blueprint or schematic of the wiring system.
  • Obtaining necessary permits and approvals from local authorities and utility companies.
  • Preparing the site and installing conduit, if necessary, to protect the wiring.
  • Running wires and cables through the conduit or along walls and ceilings, and connecting them to electrical panels, outlets, switches, and fixtures.
  • Testing and inspecting the wiring to ensure it is functioning properly and safely.

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What should you consider when hiring an electrical wiring service?

When hiring an electrical wiring service, there are several factors to consider, including:

Licensing and Certification: Make sure the service provider is licensed and certified to perform electrical work in your state or municipality.

Experience and Reputation: Look for a service provider with a proven track record of quality work and customer satisfaction.

Insurance and Warranties: Ensure that the service provider has liability insurance and offers warranties for their work.

Pricing and Estimates: Obtain detailed estimates and compare pricing from several service providers.

Communication and Professionalism: Choose a service provider who communicates clearly and professionally, and who respects your time and property.

Why Choose Castro Electrical Services?

At Castro Electrical Services, we have provided wiring services for homes and businesses in the DC Metro Area since 2011. We have a licensed team of electricians who have the equipment, training, and experience to complete a safe and professional electrical wiring project at your property.

Located in Gaithersburg, MD we are experts on local electrical codes, we know the local builders, and have worked in homes and buildings throughout the years providing expert electrical services. Here are what our customers have to say about their experience with us:



I am extremely satisfied with the recent electrical panel change performed by Castrol. The service was exceptional—clean, professional, and completed within a single day. I highly recommend their services to anyone in need of electrical work.

Preston HallPreston Hall

Shawn and Sharif did some work for me. The were very courteous and knowledgeable. I was very impressed how drywall needed to be cut on the project leaving me with almost no sign that work had even been done. I highly recommend Castro as the whole experience was smooth and the end result was very impressive.

Pavagada VasanthPavagada Vasanth

Paul, the owner of Castro Electrical services is exceptionally customer oriented. His crew is professional. and does a very good job. Castro replaced ceiling lights after nearly 3 months without any issues. I am very pleased with the company and highly recommend.

Electrical Wiring Services in Montgomery County, MD

When searching for a professional licensed electrician for your wiring project, we are ready to help with your project. Our hands-on consultative approach will give you confidence in our expertise while also providing quality customer service you can be confident in. Give us a call at (240) 474-5567, get an instant estimate, or request service online. Some of our other popular services include Standby Generator Installation, EV Chargers Installations, Circuit Breaker Replacement, and Heavy Ups.

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