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Find Electrical wiring or panel upgrade pros in Oakland

Avatar for Perfect Star Heating and Air Conditioning

Perfect Star Heating and Air Conditioning

4.91(
262
)
Approved Pro

Perfect Star Heating and Air Conditioning

4.91(
262
)
Approved Pro
Super Service Award
Customers say: Quick response
10 years of experience
Free onsite estimate

With over 30 years of experience, Perfect Star Heating, Cooling, & Electrical is a locally owned and operated family business serving Alameda & Contra Costa County. We service all makes and models, offering top-quality comfort and energy efficiency solutions. Specializing in Furnace/Heating, Air Conditioning, and Ductless Mini-Split installation, we also provide repair and maintenance for Central HVAC systems, Ductwork, Indoor Air Quality, Electrical Repair & Installation, and Solar Installation. Free estimates are available for HVAC system replacement, new installations, and solar solutions. As a Lennox Premier Dealer, Daikin Comfort Pro, and WellAir Elite dealer, we are Diamond Certified, hold an A+ BBB Rating, and have been voted “The Best Heating & Air Company” and “The Most Community-Minded Company” by The Press in Brentwood, CA for two years. We are also SFGATE’s Best of the Bay Area Heating & A/C Service provider.

"Great communication, scheduling, professionalism and install. Thank you for a smooth job. "

Ed M on January 2026

With over 30 years of experience, Perfect Star Heating, Cooling, & Electrical is a locally owned and operated family business serving Alameda & Contra Costa County. We service all makes and models, offering top-quality comfort and energy efficiency solutions. Specializing in Furnace/Heating, Air Conditioning, and Ductless Mini-Split installation, we also provide repair and maintenance for Central HVAC systems, Ductwork, Indoor Air Quality, Electrical Repair & Installation, and Solar Installation. Free estimates are available for HVAC system replacement, new installations, and solar solutions. As a Lennox Premier Dealer, Daikin Comfort Pro, and WellAir Elite dealer, we are Diamond Certified, hold an A+ BBB Rating, and have been voted “The Best Heating & Air Company” and “The Most Community-Minded Company” by The Press in Brentwood, CA for two years. We are also SFGATE’s Best of the Bay Area Heating & A/C Service provider.

"Great communication, scheduling, professionalism and install. Thank you for a smooth job. "

Ed M on January 2026


Avatar for Single Line Electric

Single Line Electric

4.95(
42
)
Approved Pro

Single Line Electric

4.95(
42
)
Approved Pro
Super Service Award
Customers say: True professional
5 years of experience
Free onsite estimate

Single Line Electric is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business. 20 years exp

"Single Line Electric replaced the sub-panel (fuse box) for our house. My wife works from home, so we needed to schedule it for a day she was working in her Oakland office. Scheduling was not a problem. We got a competitive price, and the work crew was friendly and courteous. After the sub-panel was installed, the crew went through the house to make sure all electric outlets were functioning and properly labeled. They cleaned up thoroughly. My wife had purchased a ceiling fan that had not been installed. I asked the work crew if they could add that to the work order. No problem. Single Line will be my first call for future work."

William N on January 2026

Single Line Electric is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business. 20 years exp

"Single Line Electric replaced the sub-panel (fuse box) for our house. My wife works from home, so we needed to schedule it for a day she was working in her Oakland office. Scheduling was not a problem. We got a competitive price, and the work crew was friendly and courteous. After the sub-panel was installed, the crew went through the house to make sure all electric outlets were functioning and properly labeled. They cleaned up thoroughly. My wife had purchased a ceiling fan that had not been installed. I asked the work crew if they could add that to the work order. No problem. Single Line will be my first call for future work."

William N on January 2026


Avatar for Service Champions Heating & Air Conditioning

Service Champions Heating & Air Conditioning

4.64(
656
)
Approved Pro

Service Champions Heating & Air Conditioning

4.64(
656
)
Approved Pro
Super Service Award
Customers say: Super punctual
23 years of experience
Free onsite estimate

Service Champions is the leading heating and air conditioning contractor in Northern California servicing homeowners in East Bay, South Bay and Sacramento areas. We can make your home more comfortable and improve the quality of air you and your family breathe. We specialize in maintenance, repair and sales of all brands of air conditioners and heaters, and are experts in indoor air quality improvement through filtration, duct replacement, insulation and hospital grade UV lights. All the air conditioners we install have the new environmentally friendly refrigerant that does not damage the ozone. We also are huge proponents of super high efficient equipment, such as 95% efficient furnaces. This equipment saves homeowners a tremendous amount of money on their utility bills.

"They are prompt, honest. all tech people well knowledgeable and they follow all maintenance procedures step by step. I highly recommend. Them."

Jafar A on January 2026

Service Champions is the leading heating and air conditioning contractor in Northern California servicing homeowners in East Bay, South Bay and Sacramento areas. We can make your home more comfortable and improve the quality of air you and your family breathe. We specialize in maintenance, repair and sales of all brands of air conditioners and heaters, and are experts in indoor air quality improvement through filtration, duct replacement, insulation and hospital grade UV lights. All the air conditioners we install have the new environmentally friendly refrigerant that does not damage the ozone. We also are huge proponents of super high efficient equipment, such as 95% efficient furnaces. This equipment saves homeowners a tremendous amount of money on their utility bills.

"They are prompt, honest. all tech people well knowledgeable and they follow all maintenance procedures step by step. I highly recommend. Them."

Jafar A on January 2026


Avatar for Dalcon Electric

Dalcon Electric

4.56(
406
)
Approved Pro

Dalcon Electric

4.56(
406
)
Approved Pro
Customers say: Quality work
33 years of experience
Emergency services offered

We are an Electrical Contracting Company providing top quality electrical services to South Bay, East Bay, and the Peninsula! David Lee, the owner of Dalcon Electric, started doing electrical work in the San Jose area over 30 years ago. Then, in 1993, he started Dalcon Electric in San Jose. With over 30 years of experience in both residential and commercial work, we take pride in our expertise and professionalism. We always give you a fair price and can often recommend ways to save you money on your electrical job. We are family owned and operated company! We are also licensed, bonded, and insured! Give us a call today! You’ll be in good hands! Ask about our Angie's List coupon and senior discounts. Award winning. Certified Copalum Installers. SPAN Certified Installers.

"Clear and knowledgeable on what my request"

Howard Y on September 2025

We are an Electrical Contracting Company providing top quality electrical services to South Bay, East Bay, and the Peninsula! David Lee, the owner of Dalcon Electric, started doing electrical work in the San Jose area over 30 years ago. Then, in 1993, he started Dalcon Electric in San Jose. With over 30 years of experience in both residential and commercial work, we take pride in our expertise and professionalism. We always give you a fair price and can often recommend ways to save you money on your electrical job. We are family owned and operated company! We are also licensed, bonded, and insured! Give us a call today! You’ll be in good hands! Ask about our Angie's List coupon and senior discounts. Award winning. Certified Copalum Installers. SPAN Certified Installers.

"Clear and knowledgeable on what my request"

Howard Y on September 2025


Avatar for Golden Bay Electric

Golden Bay Electric

4.91(
27
)
Approved Pro

Golden Bay Electric

4.91(
27
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
5 years of experience

Golden Bay Electric is dedicated to providing our customers with the best quality work and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.

"Job was quoted so quickly and was onsite within 90 minutes. I have rarely received such quick service for a small job. Electrician was courteous, clean and professional. No price gouging with this company, they will now be my go to all my electrical needs going forward. Thanks Golden Bay Electric!"

Steve C on March 2025

Golden Bay Electric is dedicated to providing our customers with the best quality work and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.

"Job was quoted so quickly and was onsite within 90 minutes. I have rarely received such quick service for a small job. Electrician was courteous, clean and professional. No price gouging with this company, they will now be my go to all my electrical needs going forward. Thanks Golden Bay Electric!"

Steve C on March 2025


"Very reliable and quite cost effective. Would hire again."

Alejandro W on September 2020

Emrom Electric, Inc., is your full service company offering service for all phases of your electrical needs. We pride ourselves on getting the job done! We service Alameda, Solano, Contra Costa, Marin and San Francisco Counties.

"Very reliable and quite cost effective. Would hire again."

Alejandro W on September 2020


Avatar for AC Electrical, LLC

AC Electrical, LLC

5.00(
15
)
Approved Pro

AC Electrical, LLC

5.00(
15
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
4 years of experience

I enjoy bringing overall value to my customers 415-996-5678 is my main number 16+ years experience with electrical systems. Background in engineering ops for data centres. Specialising in main panel installations, calculating service and conductor size, voltage drop and conductor ampacity. Great attention to detail and troubleshooting for diagnosis and repair 8-5 pm M-S $150 call out fee for service work credited to the total project otherwise used for time and travel Please note: Angi Leeds are prepaid $100 on our end. Quotes are $100 credited back to the job once won. Thank you for the understanding and I look forward to delivering your project for you.

"Anthony did a great job. He came on time he was respectful, friendly and professional. He did all the work efficiently - we had longstanding problems that were finally resolved! I strongly recommend him. "

Matthew B on November 2025

I enjoy bringing overall value to my customers 415-996-5678 is my main number 16+ years experience with electrical systems. Background in engineering ops for data centres. Specialising in main panel installations, calculating service and conductor size, voltage drop and conductor ampacity. Great attention to detail and troubleshooting for diagnosis and repair 8-5 pm M-S $150 call out fee for service work credited to the total project otherwise used for time and travel Please note: Angi Leeds are prepaid $100 on our end. Quotes are $100 credited back to the job once won. Thank you for the understanding and I look forward to delivering your project for you.

"Anthony did a great job. He came on time he was respectful, friendly and professional. He did all the work efficiently - we had longstanding problems that were finally resolved! I strongly recommend him. "

Matthew B on November 2025


Avatar for CA Electrical Group 24/7

CA Electrical Group 24/7

4.71(
45
)
Approved Pro

CA Electrical Group 24/7

4.71(
45
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
24 years of experience

CA ELECTRICAL GROUP 24/7 provides a wide range of electrical services including troubleshooting, electrical panel installs, service upgrades, complete rewiring, electrical safety inspections, new construction, remodeling projects, electric vehicle car charging stations and smart home integration. When you choose to work with CA ELECTRICAL GROUP 24/7, you will not be disappointed. Whether you need a new electrical panel at your home or new wiring at your business, we have a solution. Our team is ready to solve smaller problems before they become more significant issues for your family. We proudly serve customers in the Bay Area CA . Why choose CA Electrical Group 24/7 as your electrical contractor? There are so many reasons why we should be your top choice for an electrical contractor in San Francisco Bay Area. Our expertise and excellence in electrical make us beyond qualified for all kinds of electrical projects. We work for both residential and commercial clients. Our electricians have worked on thousands of electrical projects throughout their careers. At CA Electrical Group, they’ve helped businesses and home owners correct code violations, upgrade their lighting systems, repair their electrical networks, and so much more. Every CA Electrical Group electrician is state-licensed and bonded, and so is our business. We’re also insured in every town we serve. Aside from our years of experience and expert electricians, We also prioritize making services affordable. While other electrical contractors charge you an arm and a lag for simplest services, We make it a point to price our services at an excellent value. Because of this, you can get quality electrical services without compromising on quality!

"I was quoted $650 for a job that would take less than an hour."

Jon S on March 2025

CA ELECTRICAL GROUP 24/7 provides a wide range of electrical services including troubleshooting, electrical panel installs, service upgrades, complete rewiring, electrical safety inspections, new construction, remodeling projects, electric vehicle car charging stations and smart home integration. When you choose to work with CA ELECTRICAL GROUP 24/7, you will not be disappointed. Whether you need a new electrical panel at your home or new wiring at your business, we have a solution. Our team is ready to solve smaller problems before they become more significant issues for your family. We proudly serve customers in the Bay Area CA . Why choose CA Electrical Group 24/7 as your electrical contractor? There are so many reasons why we should be your top choice for an electrical contractor in San Francisco Bay Area. Our expertise and excellence in electrical make us beyond qualified for all kinds of electrical projects. We work for both residential and commercial clients. Our electricians have worked on thousands of electrical projects throughout their careers. At CA Electrical Group, they’ve helped businesses and home owners correct code violations, upgrade their lighting systems, repair their electrical networks, and so much more. Every CA Electrical Group electrician is state-licensed and bonded, and so is our business. We’re also insured in every town we serve. Aside from our years of experience and expert electricians, We also prioritize making services affordable. While other electrical contractors charge you an arm and a lag for simplest services, We make it a point to price our services at an excellent value. Because of this, you can get quality electrical services without compromising on quality!

"I was quoted $650 for a job that would take less than an hour."

Jon S on March 2025


Avatar for Mr Electric of Concord CA

Mr Electric of Concord CA

4.96(
15
)
Approved Pro

Mr Electric of Concord CA

4.96(
15
)
Approved Pro
Customers say: Quick response
32 years of experience
Free onsite estimate

Established in 1994, Mr. Electric is a global franchise organization providing electrical installation and repair services. Recognized by Entrepreneur magazine among its Franchise 500, Mr. Electric franchisees provide these services to both residential and commercial customers at almost 200 locations worldwide. Mr. Electric is a subsidiary of the Neighborly family of service franchises.

"Just needed a 240V outlet in a laundry room. Mr Electric did just fine."

Jon L on June 2025

Established in 1994, Mr. Electric is a global franchise organization providing electrical installation and repair services. Recognized by Entrepreneur magazine among its Franchise 500, Mr. Electric franchisees provide these services to both residential and commercial customers at almost 200 locations worldwide. Mr. Electric is a subsidiary of the Neighborly family of service franchises.

"Just needed a 240V outlet in a laundry room. Mr Electric did just fine."

Jon L on June 2025


Avatar for Amber Electrical Service

Amber Electrical Service

4.94(
16
)
Approved Pro

Amber Electrical Service

4.94(
16
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
22 years of experience

We understand that every business and home has a project and every project has a budget. Our team of professionals works with each client to create a custom solution to fit their needs. We make sure to deliver the right results at the right price. So just when you thought that hiring a professional electrician was "not in the budget," think again! We will work with you to do everything we can to make your vision become a reality! With over 10 years of experience we pride ourselves on offering our customers the highest quality work at the lowest possible price. Our customers are always our priority, we do everything we can to be sure that each project is completed on budget, on time, with 100% customer satisfaction. 925-483-6108 CALL or EMAIL US TODAY fred4net@gmail.com

"Good customer service. The work done was explained in detail."

Carmen H on February 2024

We understand that every business and home has a project and every project has a budget. Our team of professionals works with each client to create a custom solution to fit their needs. We make sure to deliver the right results at the right price. So just when you thought that hiring a professional electrician was "not in the budget," think again! We will work with you to do everything we can to make your vision become a reality! With over 10 years of experience we pride ourselves on offering our customers the highest quality work at the lowest possible price. Our customers are always our priority, we do everything we can to be sure that each project is completed on budget, on time, with 100% customer satisfaction. 925-483-6108 CALL or EMAIL US TODAY fred4net@gmail.com

"Good customer service. The work done was explained in detail."

Carmen H on February 2024

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FAQs for electrical wiring or panel upgrade projects in Oakland, CA

While homeowners with substantial electrical knowledge might technically attempt a subpanel installation, most local building departments require permits and inspections for this type of work. Professional electricians understand local code requirements, can obtain necessary permits, and ensure the installation meets safety standards. Given the significant safety risks associated with incorrect electrical work, most homeowners benefit from hiring a licensed professional.

A standard subpanel installation takes an average of four to eight hours. This timeframe may extend if you're installing multiple subpanels or adding specialized circuits like those for spa equipment. Factors such as difficult access points, complex wiring paths, or permit processing times can also affect the overall project duration.

Adding a subpanel doesn't directly reduce electricity consumption or lower your utility bills. A subpanel simply redistributes power from your main panel to additional circuits. However, organizing your electrical system more efficiently may help prevent overloaded circuits and the associated problems. For actual cost savings, consider energy-efficient appliances and lighting instead.

The appropriate subpanel size depends on your specific electrical requirements. Consider the number and type of devices you'll be powering, potential future needs, and the capacity of your main electrical panel. An electrician can perform a load calculation to determine the most suitable amperage rating for your situation, ensuring you have adequate power without overpaying for unnecessary capacity.

A main electrical panel connects directly to your utility's power supply and contains your home's primary service disconnect. It distributes electricity throughout your entire house. A subpanel, by contrast, receives power from the main panel and redistributes it to a specific area of your home. Think of the main panel as the primary distribution point and the subpanel as a secondary branch that extends your electrical system's reach.

While electrical upgrades aren't as immediately visible as kitchen or bathroom renovations, they can contribute to your home's functionality and safety. Prospective buyers often appreciate updated electrical systems that can accommodate modern power demands. A properly installed subpanel that provides additional capacity for workshops, home offices, or future expansions could be an attractive feature for certain buyers, though the direct impact on home value varies by market.

The Oakland, CA homeowners’ guide to electrical wiring or panel upgrades

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