10 Most Expensive Home Repairs (And How To Avoid Them)

Dated: February 11 2022

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Mitigate the cost risk of home ownership by spotting and taking care of minor repairs before they become major. These are the 10 highest cost problems you could encounter (and what to do about them).

Read on for: 

🛠️  1. Foundation Repair 

🛠️  2. Roof Repair 

🛠️  3. Broken Water Heater 

🛠️  4. Termite Damage 

🛠️  5. Water Damage 

🛠️  6. HVAC Replacement 

🛠️  7. Mold Removal 

🛠️  8. New Pipes 

🛠️  9. Septic System Repair 

🛠️  10. Electrical Issues

10 Most Expensive Home Repairs (And How To Avoid Them)

Foundation Repair

Average Cost to Repair: $500-$15,000  Issues could include a slope in the floors, pooling water, cracks or hard-to-shut windows or doors. 

Maintenance That Can Prevent This Issue: Don’t let soil get too dry and check for proper drainage.


Roof Repair

Average Cost to Repair: $1,000-$10,000  If you notice leaks, visible damage or missing shingles, you could have a roof problem. 

Maintenance That Can Prevent This Issue: Get regular inspections, visually inspect, take care of minor repairs right away. 


Broken Water Heater 

Average Cost to Repair: $500-$1,500  Broken water heaters may make strange noises, let off bad smells, not effectively heat water or have pooling water in the drip tray.

Maintenance That Can Prevent This Issue: Check your pressure valve, get your water heater inspected, ush the tank. 


Termite Damage 

Average Cost to Repair: $500-$8,000  Termite damage looks like swarms of flying bugs, wood with hollowed out tunnels and mud tunnels along exterior walls. 

Maintenance That Can Prevent This Issue: Get termite monitors and traps installed, pull mulch away from the foundation, get termite inspections.


Water Damage 

Average Cost to Repair: $2,000  You may have water damage if you notice musty smells, leaks anywhere in the roof or walls, mold or mildew growth, peeling or cracked paint. 

Maintenance That Can Prevent This Issue:  Clean your gutters, fix any pipe leaks, get your sump pump tested.


HVAC Replacement Average 

Cost to Repair: $500-$2,500  If your HVAC isn’t heating/cooling, is making strange noises, giving off strange odors or is resetting frequently, you may have mechanical or electrical issues. 

Maintenance That Can Prevent This Issue:  Get your HVAC system maintenance every year, replace air filters on schedule, clear away debris from outdoor units. 


Mold Removal 

Average Cost to Repair: $2,000  Mold may be visible or simply give off a musty odor and discolor ceilings. It may also cause respiratory issues for the people in your home. 

Maintenance That Can Prevent This Issue:  Don’t ignore plumbing leaks and perform regular mold inspections. 


New Pipes 

Average Cost to Repair: $2,500  If you notice damage on exposed pipes, water leaks or rusty water, you may have pipe issues. 

Maintenance That Can Prevent This Issue:  Don’t use chemicals on drains, winterize your pipes during cold months, get your pipes professionally cleaned out.


Septic System Repair 

Average Cost to Repair:  $1,500 Septic system issues may show up if you don’t flush toilets, drains go slow or you have standing water in the yard. 

Maintenance That Can Prevent This Issue:  Septic tanks should be pumped once every 3-5 years and inspected at least that often. 


Electrical Issues 

Average Cost to Repair: Up to $15,000 for rewiring.  Electrical issues may be evident if circuit breakers trip a lot, appliances cause electrical shocks, lights icker or switches stop working. 

Maintenance That Can Prevent This Issue:  Electricity isn’t a DIY task. Get a professional electrician to inspect and service your system. 

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Frances Thorsen

Frances Thorsen is a leading real estate author and thought leader. She got her real estate license and became a REALTOR® in 1985. She was an early adopter of real estate technology on the Interne....

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