How Much Does Chimney Cap Replacement Cost in 2025?

Average Chimney Cap Replacement Cost

Chimney Cap Replacement Cost Factors

The total cost of your chimney cap installation varies depending on factors like labor rates, size, and whether you opt for a prefabricated or custom chimney cap.

Size

The typical single chimney cap can be as small as 8-by-8 inches (square) or 8-by-13 inches (rectangular). Most chimney caps come at a set price per size.

Material

The biggest chimney cap cost factor is the type of material you choose. Galvanized steel chimney caps are the most affordable (as little as $25), while the typical copper chimney cap can reach $800 or more.

Chimney Cap Shape

The most common chimney cap shapes are round, square, and rectangular. Most retailers stock these shapes, so it’s usually easy to find prefabricated options at an affordable price. Oval chimney caps are less common, while custom cap shapes run the highest cost. A well-fitting chimney cap is key to avoiding chimney repair costs.

Chimney Type

Most chimneys are made of masonry, which means you can use a standard prefabricated chimney cap. However, non-standard chimney types made from metal or other types of stone may need a custom cap. If you need to cap two or more flues, you’ll have to purchase a larger cap, which could double the price.

Custom vs. Prefab 

Prefabricated chimney caps are the most affordable option, with an average cost of $200 to $650 with installation. However, if your chimney has an unusual shape or you want a unique style, you can order a custom chimney cap. These typically range from $450 to $850, including installation.

Labor

Professional chimney cap installation typically costs between $100 and $250, depending on local labor rates and the complexity of the installation.

If you need a chimney cap installed in the off-season (winter), companies may charge a higher rate because of the unfavorable (and sometimes dangerous) conditions. The ideal time to install a chimney cap is in the spring or fall when temperatures are warm but not too hot.

Decorative Finishes

A basic chimney cap can cost as little as $25, but if you want one with decorative finishes to enhance your home’s aesthetic, expect to pay on the higher end of the range, from $400 to $800.

Chimney Cap Replacement vs. Repair

The average cost to replace a chimney cap is around $300, while repairs typically range from $100 to $250. Repairs can be a good way to save money if your chimney cap has minor damage, such as a dent, crack, or small leak. Repair may also be the preferred option if you’ve invested in a custom chimney cap that may be difficult or costly to replace. 

However, if your chimney cap is rusted or fully broken, it may be time for a replacement. If your chimney and chimney cap have been damaged by a major weather event, you may also want to consider a chimney inspection to ensure everything is working properly. In some cases, chimney removal or rebuilding your chimney may be more cost-effective than repairs if your chimney has suffered significant damage.

Does Replacing a Chimney Cap Increase Home Value?

While replacing your chimney cap doesn’t guarantee an increase in home value, it can potentially add value by protecting your chimney. New chimney components in good condition are an asset to potential buyers, so a replacement is often a good idea if your old chimney cap is broken. Investing in a new chimney cap can also boost curb appeal and increase the aesthetic appeal of your home.

Budgeting for Chimney Cap Replacement

Chimney cap replacement typically requires professional expertise, particularly since it requires climbing onto the roof. However, there are several steps you can take to help your replacement process stay budget-friendly:

• Prepare your space: Your chimney pro will need to climb onto the roof, so it’s important to provide easy access and a clear space for the ladder. Remove deck furniture or other obstructions beforehand to ensure the process goes smoothly.

• Shop for sales: The busiest season for chimney work is spring through fall, so many chimney products go on sale just before winter. Shop around or contact your chimney company to see if they can access discount rates.

• Practice good chimney maintenance: Keeping your chimney clean and using a chimney liner can prolong the life of your chimney cap and minimize the need for replacement. Chimney sweeps cost an average of $250, but they are important for keeping your chimney functioning well.

• Contact several pros: Reach out to multiple chimney cap installers in your area to compare quotes and find the right fit.

How HomeAdvisor Gets Its Cost Data

No place is more important than your home, which is why HomeAdvisor connects homeowners with local pros to transform their houses into homes they love. To help homeowners prepare for their next project, HomeAdvisor provides readers with accurate cost data and follows strict editorial guidelines. After a project is complete, we survey real customers about the 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.