Fireplace Installation Price in St. Louis, MO | FireplaceInstallation Services

Looking for fireplace installation price in St. Louis, MO? Call FireplaceInstallation Services 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

What affects the price

Fireplace pricing depends on your specific setup. If you already have a gas line or a chimney in place, the work is much simpler and cheaper. Installing from scratch requires more labor, including framing, venting, and finishing work with stone or tile. The type of unit—whether it is gas, wood, or electric—also changes the budget significantly. Larger units or custom hearth designs naturally add to the cost compared to basic inserts. We can discuss your project details and get exact pricing confirmed free on the call.

About this service

When you look at the price for a new fireplace, it depends on a few major factors. We have to consider whether you need a new gas line, chimney modifications, or custom stonework around the unit. The complexity of venting and the type of finish you choose will also shift the final total. Exact pricing confirmed free on the call.

Summer might seem unusual for fireplace work, but it is actually the most efficient time to renovate. Contractors are often less busy, meaning you get more attention and faster installation times. By tackling this project now, you skip the waitlists that pop up once the temperature drops. You will be fully prepared well before the first frost arrives.

Frequently asked in St. Louis

What's the average cost to install a fireplace?

What is the 2 + 10 rule for fireplaces?

The 2+10 rule is a standard safety guideline for chimney height, stipulating that the chimney must extend at least two feet higher than any part of the building within a ten-foot radius. This promotes proper draft and smoke ventilation. Professionals ensure your St. Louis installation meets this and all other safety codes.

Can I install a fireplace myself?

How do you install a fireplace?

Professional fireplace installation involves careful planning, site preparation, and the meticulous installation of the fireplace unit and its venting system. For gas fireplaces, safe connection to the gas line is paramount. The crew ensures all components are properly sealed and meet all building codes for safe operation.

How much does it cost to install a fireplace?

Do fireplaces need to be professionally installed?

Yes, professional installation is essential for fireplaces to ensure safety, proper ventilation, and adherence to building codes. This is especially true for gas or wood-burning fireplaces. Licensed installers in St. Louis provide peace of mind and guarantee a safe, efficient installation for your home.

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

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