Cost of a gas fireplace installation

Looking for cost of a gas fireplace installation in St. Petersburg, FL? Call FireplaceInstallation Solutions for a contact a provider — no obligation. Licensed, insured certified fireplace pros serve St. Petersburg 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. Petersburg, FL

Population: about 261,000
Median year homes were built: 1969
Homes built before 1980: 71%
Owner-occupied homes: 63%

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 total cost of a gas fireplace installation covers the unit itself, the labor for gas line connections, and the necessary venting to the exterior. If you have an existing masonry fireplace, an insert is often the most cost-effective way to upgrade. We will look at your gas pressure and venting path to give you a clear picture.

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. Petersburg

What's the average cost to install a fireplace?

The cost to install a fireplace in St. Petersburg can vary significantly based on the fireplace type, installation complexity, and required venting. Factors like whether you're adding to an existing structure or building new, and specific St. Petersburg regulations, influence the price. We can help you get a personalized estimate.

What is the 2 + 10 rule for fireplaces?

The 2 + 10 rule typically relates to the required clearances between combustible materials and fireplace chimneys or vents. It generally means 2 inches from the chimney and 10 inches from the flue pipe. Professionals installing fireplaces in St. Petersburg adhere to these safety standards rigorously to protect your home. Your installer will confirm all clearances.

Can I install a fireplace myself?

How do you install a fireplace?

Fireplace installation involves careful planning, preparing the space, setting the unit securely, and properly connecting gas lines or venting systems. Skilled installers in St. Petersburg follow precise procedures to ensure safety and efficiency. They handle all the intricate details of the installation process for you.

How much does it cost to install a fireplace?

Do fireplaces need to be professionally installed?

Also serving nearby: Clearwater · Tampa · Lakeland · Plantation · North Port

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

Service area details

263,553residents

4,264per sq mile

—ZIP codes served

Serving all of St. Petersburg — population 263,553; about 4,264 residents per square mile across 61.8 sq mi.

Neighborhoods served in St. Petersburg: Downtown St. Petersburg, The EDGE District, Old Northeast, Jungle Terrace, Crescent Lake — and every surrounding area.