Gas fireplace insert installation cost — Seattle, WA
Last updated: September 24, 2026
Local housing snapshot: Seattle, WA
- Population: about 741,000
- Median year homes were built: 1974
- Homes built before 1980: 54%
- Owner-occupied homes: 44%
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 varies based on the size of the insert, the condition of your existing chimney, and whether you need a new liner installed for proper venting. If your chimney requires significant repairs before the insert can be placed, that will also influence the total investment. We provide 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 Seattle
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Also serving nearby: Kirkland · Bellevue · Renton · Kent · Federal Way
More on this: NFPA heating safety — heating equipment fire data.
Service area details
Serving all of Seattle — population 755,078; about 8,989 residents per square mile across 84.0 sq mi. ZIP codes covered include 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108.
Neighborhoods served in Seattle: Ballard, Capitol Hill, Queen Anne, Fremont, West Seattle, Green Lake — and every surrounding area.
Areas we serve
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