How Much Does Electrical Box Replacement Cost in St. Louis? [2025 Data]

St. Louis is rich in history, and the majority of the neighborhoods and buildings feature architecture dating back to the 19th and 20th centuries. Older homes are pretty common in this city, which means it’s likely time for an electrical box replacement. Although the history is rich, St. Louis is one of the most affordable metropolitan areas to live in. That means replacing the electrical box in your house will be less expensive than in other major cities.

Electrical box replacement cost in St. Louis averages around $996 but can range from $411 to $1,587 or more. Let’s dive into what affects the price of replacing an electrical box and how it affects the value of your home. 

Electrical Box Replacement Cost Factors

St. Louis is famous for its Gingerbread style houses, but there are no cookie-cutter prices regarding the cost of an electrical box replacement. Many factors can affect the price, such as the type of box, amperage size, and the complexity of installation. 

Electrical Box Replacement Cost by Type

The main factor that affects the price of an electrical box replacement is the type of electrical box you’re installing. Here are the various types of electrical panels and price ranges:

Amperage Needed

The amount of amperage your home requires impacts the price of replacing your electrical box. Larger homes over 3,000 square feet will need at least a 200-amp box, but more amperage may be required for houses with higher electrical loads.

Many homeowners in St. Louis rely on HVAC systems for heating and cooling due to the area’s hot summers and frigid winters, which require an electrical box with sufficient amperage to carry the load.

Here’s a breakdown of the different size boxes based on amperage and their prices:

Complexity of Installation

The complexity of the job will significantly affect the cost of replacing an electrical box. For example, if the electrical box needs to be relocated, the cost can range between $1,500 and $2,000. The amount will depend on the distance of the move because it will require more wiring and increased labor costs.

Upgrading an electrical box to a higher amperage will also increase costs. When you switch to a box with a higher amperage, the wiring and other components will need to be upgraded, too. The average price to upgrade an electrical panel is about $1,600, but it ranges between $800 and $4,000.

Permits and Inspections

Replacing an electrical box will require a permit from the City of St. Louis, but the electrician will apply for the permit for you. An electrical permit usually ranges between $50 and $300, and the post-job inspection is usually included in the price.

Accessibility and Home Layout

Similar to Philadelphia, row houses are common in St. Louis, especially in older neighborhoods like Old North and Lafayette Square. These homes are built adjacent to each other, and electrical boxes may be in basements, hidden, or in hard-to-access areas, which can add to the price tag. 

Add-On Services

It’s vital to ensure your electrical system is safe and up to date. So, while you have an electrical pro replacing the electrical box, you may want to tackle other electrical projects that need to be done, such as:

• Replace or add new outlets: $125–$200

• Rewire house: $525–$1,810

• Replace light switches: $60–$300

Cost to Hire an Electrician in St. Louis

The cost to hire an electrician in St. Louis is a bit lower than the national average. The average price is about $1,000, but it can range between $420 and $1,620. Working with electricity is extremely dangerous, and it is best to hire a professional to handle the task of replacing an electrical box.

While getting a low price can be intriguing, you need to hire a qualified electrician to ensure the job is done right. Make sure to ask key questions about their experience and if they are bonded and insured to ensure you get the right pro for the job. 

Does Replacing the Electrical Box Increase Home Value?

The housing market in St. Louis is competitive, so replacing the electrical box can help increase your home’s value and make it more attractive to buyers. A new electric panel provides increased energy efficiency, enhanced safety options, and keeps up with the electrical demand of additional appliances.

The average return on investment for replacing an electrical box is about 53 percent. However, even if you aren’t planning on selling your home, the cost of the panel is worth it to keep you and your family safe and to increase the resale value if you decide to move in the future.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects. 

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