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Verified Reviews for Earthquake Retrofitting pros in Knoxville, TN

*The Angi rating for Earthquake Retrofitting companies in Knoxville, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Earthquake Retrofitting needs.

*The HomeAdvisor rating for Earthquake Retrofitting companies in Knoxville, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Earthquake Retrofitting needs.

Last update on November 15, 2025

Find Earthquake retrofitting specialists in Knoxville

Schematic Design, Inc

5.00(
1
)

Schematic Design, Inc

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Feasibility studies, Driveway and Parking Layout and permits Drainage system: Surface, Sub-surface, and Underground drainage design, correct drainage issues on ground, underground or basements. storm water system design.Erosion and Sediment Control plan.Design of septic sewer system. Retaining wall, slope stability, and grading design.

Feasibility studies, Driveway and Parking Layout and permits Drainage system: Surface, Sub-surface, and Underground drainage design, correct drainage issues on ground, underground or basements. storm water system design.Erosion and Sediment Control plan.Design of septic sewer system. Retaining wall, slope stability, and grading design.

Earthquake Retrofitting questions, answered by experts

Projects will vary based on size and scope, but an average earthquake retrofit takes between two weeks and two months. This includes the initial evaluation and plan, bidding and contract paperwork, permitting and approval process, actual work, and final inspection. Your contractor should give you a more accurate time estimate for your specific project, and they may be able to estimate how long the permitting process will take for your area.

Some cities or states may require you to have an earthquake gas shut-off valve. Your insurance provider may also have requirements for installing this valve. Even if you don’t have to have one by law, it’s wise to have a natural gas plumber install one anyway. These devices can be lifesaving and prevent fires or explosions in the event of a gas leak.

Ensure proper ventilation, fix leaks, and schedule regular pest inspections to protect your property.

Depending on where you live, your insurance company may require you to have a seismic shut-off valve. It depends on local regulations along with the specific provider. If it’s not a requirement, many providers will offer a discount if you install an earthquake valve, which can save you 5% or more. Contact your provider to learn about potential savings for your plan.

Costs vary as much as timelines. The average earthquake retrofit costs between $3,500 and $8,700. However, homes on hillsides, large homes, and those with rooms over garages can cost up to $12,000 or more. Make sure to get a few estimates to compare the cost and services.

The Knoxville, TN homeowners’ guide to earthquake retrofitting services

From average costs to expert advice, get all the answers you need to get your job done.

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