Fireplace installation contractors

Looking for fireplace installation contractors in St. Louis, MO? Call FireplaceInstallation Solutions for a contact a provider — no obligation. Licensed, insured certified fireplace pros serve St. Louis and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

Local housing snapshot: St. Louis, MO

Population: about 293,000
Median year homes were built: 1938
Homes built before 1980: 86%
Owner-occupied homes: 45%

Older homes can mean different materials, wiring, venting or permit needs. Mention your home's age when you contact a provider.

Source: U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates.

What affects the price

When you start planning a fireplace installation, the final bill depends on a few major factors. Choosing between a simple electric unit, a gas insert, or a full wood-burning masonry build creates the biggest difference in cost. You also have to consider the existing setup of your home; running new gas lines or venting through a roof will naturally add labor hours compared to a straightforward swap. Finishing materials like custom stonework or mantel pieces also shift the total.

About this service

Contractors are the professionals responsible for the technical side of your project. They manage the physical installation, including gas line routing, electrical wiring, and proper ventilation through your walls or roof. You should hire a contractor when you have a specific fireplace unit selected and need someone qualified to perform the structural work. They make sure the unit is seated correctly, sealed, and operating according to the manufacturer’s specific guidelines for safe, efficient home heating.

Most people do not think about fireplaces in the summer, which makes it the best time for a stress-free installation. You will likely find more convenient appointment times and faster project turnaround. It is the perfect window to handle masonry or venting work while the weather is dry and clear, keeping the process clean and efficient for your home.

Frequently asked in St. Louis

What's the average cost to install a fireplace?

The cost of installing a fireplace in St. Louis depends on the type of unit and the complexity of the job. Factors like gas line installation, venting, and any required structural modifications to your home will influence the price. Call for a personalized quote from a local pro.

Can I install a fireplace myself?

How do you install a fireplace?

Professional fireplace installation in St. Louis involves careful site preparation, running gas lines or building a chimney, and ensuring proper ventilation. The installation team will adhere to all local building codes and safety standards. They aim for a perfect, safe fit for your home.

How much does it cost to install a fireplace?

Do fireplaces need to be professionally installed?

Yes, due to the inherent safety risks and strict building codes in St. Louis, professional installation is essential. This ensures proper ventilation, prevents fire hazards, and guarantees the unit operates safely and efficiently. Invest in expert service for your peace of mind.

What is the 2 + 10 rule for fireplaces?

Also serving nearby: O Fallon · Springfield · Columbia · Champaign · Peoria

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More on this: NFPA heating safety — heating equipment fire data.