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Find Electrical for home addition or remodel installers in Denville

Avatar for MD Electrical Solutions, LLC
MD Electrical Solutions, LLC
4.9(
126
)

Serving Denville, NJ and surrounding areas

Approved

In business since 2007

Free estimates

Small jobs welcome

"Outstanding & Awesome! Highly Recommend! We Canâ t find nearly enough words/great things to say about Mark/MD Electrical! My Husband & I are first time home buyers & we were scouring to find an electrician for home electrical upgrades including adding new wiring for our electric fireplace. Called Mark/MD Electrical & he was able to make himself available that very evening to look at the job & provided a quote within 24 hrs. Obviously we hired him! He got the job done promptly, explained everything in detail & even cleaned up afterwards! We appreciated all of that so much. Also, you can see that he actually enjoys what he does & will ensure that youâ re satisfied. A week later (after the initial job was done), my husband & I decided to call him back because we were inspired & hired him to do a small 2nd job that we thought of last minute, totally unplanned. We hired Mark again and he managed to squeeze us in & even worked later evening hours to get the job done because he knew we wanted to finish the sheet rock/close the wall. Mark, youâ re our electrician savior! The most sincere Thank you! Eve, Laz & Lili (canâ t forget the bird)"
Panel Swap - before
Panel Swap - After
Panel Swap - After
Kitchen fixtures
Kitchen fixtures

+21

Response time4 hrs
Response rate89%
Recommended by99%of homeowners
Avatar for First Class Electric
First Class Electric
4.8(
112
)

Serving Denville, NJ and surrounding areas

Approved

In business since 2007

Emergency services offered

Credit card accepted

"Technician came and diagnosed the issues and stated he would need to open up the roof. Came back another day and discovered that the problem would not require opening the ceiling. Ran to home depot to get some supplies and came back and had lights in my 2nd, 3rd floor bathrooms, and hallway working again within a hour. All in all it wound up costing me a 1/3 of the qouted price. Very promopt, professional and kind and absolutely will use them for any electrical needs I have in the future. I believe my technicians name was Jean or Neil, i wish I remembered for sure because he was excellent."
Generator
Generator
Generator
Generator
Generator

+21

2 neighbors recently requested a quote
Recommended by91%of homeowners
APOLLO ELECTRICAL CONTRACTORS LLC
5.0(
40
)

Serving Denville, NJ and surrounding areas

Approved

In business since 1999

Free estimates

Small jobs welcome

"Mike and his team are professional & displayed respect for my home. They Cleaned up after the work. I have used Apollo for several home projects including a kitchen and bathroom renovation. His attention to detail is superb even down to the screws on the switch and outlet plates being in the exact same position I highly recommend Apollo Electrical"
1 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for RYB Electric, LLC
RYB Electric, LLC
5.0(
22
)

Serving Denville, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"I cannot recommend RYB Electric LLC and Sebastian highly enough! We hired them for several electrical upgrades, including: 1. A full electrical panel upgrade 2, Installation of a Level 2 EV charger, and 3. Installation of ground rods for extra protection Beyond his technical expertise, Sebastian is a pleasure to work with. He is incredibly easy to talk to, has a great personality, and took the time to answer all my questions without making things feel overly complicated. It’s rare to find someone who is both a master of their craft and so personable. The workmanship is top-tier—everything is neatly installed, labeled, and functioning perfectly. If you are looking for a reliable, skilled, and fairly priced electrician who truly cares about the quality of his work, look no further than Sebastian. We couldn't be happier!"
Emergency Call
Emergency Call
Panel Replacement
Panel Replacement
Response time4 hrs
Response rate95%
2 neighbors recently requested a quote
Avatar for B-Tec Electric Co LLC
B-Tec Electric Co LLC
5.0(
166
)

Serving Denville, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1993

Free estimates

Warranties offered

"Nothing but praise for Brian and B-Tex Electric! Excellent communication via cell and text! Crew was prompt and courteous. Installed out let per my request at the agreed upon price. Would definitely hire again for other residential work."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+123

Response time7 hrs
Response rate95%
4 neighbors recently requested a quote
Avatar for Anzalone Electric & Lighting, LLC
Anzalone Electric & Lighting, LLC
4.9(
110
)

Serving Denville, NJ and surrounding areas

Approved

In business since 2008

Free estimates

Small jobs welcome

"Scott is very experienced and he knew what to do with an electrical problem that I had. Opposed to other electricians, Scott knew exactly what was wrong. He did a good job and I am especially impressed with his honesty. Scott didn't use scare tactics or try to talk me into other unneeded electrical work."
Finished panel
Electric Tie in
installing breakers
The old mast
Response time8 hrs
10 neighbors recently requested a quote
Recommended by100%of homeowners
ARS Electric and Design, LLC
4.5(
33
)

Serving Denville, NJ and surrounding areas

Approved

In business since 1994

Free estimates

Small jobs welcome

"ARS did an electric service upgrade for us. Alex and staff took care of everything from applying for the permit to completing the project without any problems or issues. The technicians are professional, work well together and leave the worksite clean. I highly recommend ARS."
Response time1 day
9 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Hank's Electrical Contracting LLC
Hank's Electrical Contracting LLC
5.0(
40
)

Serving Denville, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Hank's Electrical is a quality company. I have used him at least 4-5 times within the past 1-2 years and he never disappoints. He has done a number of jobs at my house including outlet installation, landscape lighting and generator installation. Extremely responsive and aims to please. He takes pride in his work and is very efficient, tidy and will give you a fair and honest estimate. Would feel very comfortable referring him to family and friends who need any electrical work."
Response time4 hrs
Response rate86%
18 neighbors recently requested a quote
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FAQs for electrical for home addition or remodel installation projects in Denville, NJ

Because installing coax outlets involves working around existing electrical wiring and confirming proper grounding, many homeowners prefer to hire a licensed electrician. A professional completes the work safely, secures the line behind the wall, and ensures the installation meets local code, which reduces the risk of damage or future repairs.

You still need a coaxial outlet for most cable-based internet services. The modem draws its signal from a cable line that terminates at a dedicated wall jack. Once the modem is online, your Wi-Fi router can broadcast the signal throughout the home, so the outlet’s location doesn’t affect wireless performance. If an existing jack is damaged or in an inconvenient spot, an electrician can move it or install a new one to maintain a strong, reliable connection.

Coaxial cable loses signal strength the farther it runs. A 50-foot length introduces noticeable loss, and a 100-foot stretch can drop the signal by roughly 30%. A weaker signal can result in a fuzzy picture or slower internet speeds. To maintain high performance, limit cable length whenever possible, select the correct cable grade, and route it efficiently. If your layout demands an exceptionally long run, an electrician can install an inline amplifier to boost the signal and maintain picture or data quality.

The Denville, NJ homeowners’ guide to electrical for home addition or remodel installations

From average costs to expert advice, get all the answers you need to get your job done.