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

Looking for fireplace installation price 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

The price for a new fireplace depends on the unit you choose, your current chimney setup, and the gas or electrical lines needed. A direct-vent gas unit usually runs lower than a custom masonry build. We evaluate your existing wall structure and ventilation to determine the labor required. Because every home layout varies, costs fluctuate based on complexity and materials. We provide an exact pricing confirmed free on the call.

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?

Can I install a fireplace myself?

How do you install a fireplace?

Fireplace installation involves site preparation, unit placement, fuel line connection (gas or wood), and ensuring proper venting and chimney construction. Licensed installers in St. Louis are familiar with local codes and best practices for safely integrating fireplaces into various home styles.

How much does it cost to install a fireplace?

Do fireplaces need to be professionally installed?

What is the 2 + 10 rule for fireplaces?

The 2+10 rule concerns clearances between combustible materials and fireplace components, typically requiring 2 inches from the firebox and 10 inches from the chimney connector. Licensed installers in St. Louis adhere strictly to these safety standards to prevent heat transfer and potential fires.

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

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