Basements & Foundations

Your basement and foundation are the roots of your home, so it’s important to know about common problems that could affect them. From basement flooding to a cracked foundation, and everything in between—our expert insights will keep you informed.

Photo: 10'000 Hours / DigitalVision / Getty Images
Photo: 10'000 Hours / DigitalVision / Getty Images
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From average costs to expert advice, get all the answers you need to get your job done.
Person carrying bucket of cleaning supplies
Dan Simms
•
Dec 13, 2024
Dec 13, 2024
Crawl space maintenance can help improve indoor air quality and avoid structural damage. Learn how much crawl space cleaning costs and when to schedule it.
Concrete slab foundation leak and water damage
Rachel Hoffman
•
Dec 22, 2024
Dec 22, 2024
Plumbing leaks are never fun, but they’re worse when they happen inside your foundation. Use this guide to slab leak repair costs to see what you’re up against.
Worker installing a metal foundation bracket against a cracked brick wall using a hydraulic jack
Em Norton
•
Aug 14, 2025
Aug 14, 2025
Whether trying to protect it or transport it, raising a house is no small feat. Read on to find out everything you need to know about the cost to raise a house.
Exterior view of shed
Dan Simms
•
Jun 24, 2024
Jun 24, 2024
Need to build a solid base for your new shed? Learn about 12 different kinds of shed foundations and which might be appropriate for your project.
The exterior of a brick house
Rachel Hoffman
•
Aug 21, 2024
Aug 21, 2024
Knowing the parts that make up your home’s foundation can help you keep it in good shape. Learn the parts of a house foundation and what each one does.
Building of home foundation crawl space
Ginny Bartolone
•
Jul 15, 2024
Jul 15, 2024
Curious about the concrete under your home? Learn what a crawl space is, when this foundation style is appropriate, and how it compares to other options.
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Gas oven in open-concept kitchen
Mariel Loveland  •  Aug 26, 2025
How Much Does Earthquake Valve Installation Cost? [2025 Data]
A seismic shut-off valve stops the flow of gas during an earthquake, protecting your home from fires and explosions. Here’s what your earthquake valve installation cost will look like.
home laundry room
Angi  •  Aug 15, 2025
How Much Does It Cost to Finish a Basement Laundry Room? [2025 Data]
Discover the cost to finish a basement laundry room. Learn about average prices, key cost factors, and tips to budget your basement laundry remodel.
A coastal residential district showcases homes potentially requiring earthquake retrofitting to strengthen structures against seismic activity.
Angi  •  Aug 15, 2025
How Much Does It Cost to Repair Earthquake Damage? [2025 Data]
Discover how much it costs to repair earthquake damage. Learn about average costs, key factors, and ways to save on earthquake repairs for your home.
A gray metal basement bulkhead door is installed against a house with white siding and a stone walkway
Lauren Bongard  •  Aug 15, 2025
How Much Does Basement Bulkhead Replacement Cost? [2025 Data]
When storm season is approaching, ensure you’re ready to go in case of an emergency. Explore our guide to budgeting for bulkhead replacement costs.
A yellow mini-excavator digs a trench in a residential backyard next to a wooden fence
Elisa Greenberg  •  Aug 14, 2025
How Much Does It Cost to Dig a Trench? [2025 Data]
Digging a trench is usually the first step in a larger home project. Our trenching cost calculator breaks down the factors that affect the price tag of this job.
Construction worker pouring and leveling concrete slab foundation with rebar reinforcement from a cement truck at a residential building site
Rachel Hoffman  •  Aug 14, 2025
How Much Does a Foundation Cost to Build? [2025 Data]
A foundation for a new-build home averages around $11,000. Find out all the factors that affect the cost of a foundation and how to save money.
Modern gray-tiled bathroom with glass shower enclosure, mosaic accent strip, and black countertop vanity
Rachel Hoffman  •  Aug 14, 2025
How Much Does Water Damage Restoration Cost? [2025 Data]
Water damage restoration costs depend on the severity of the problem, the type of water, and the length of time the damage has been occurring.
Worker installing a metal foundation bracket against a cracked brick wall using a hydraulic jack
Em Norton  •  Aug 14, 2025
How Much Does It Cost to Raise a House? [2025 Data]
Whether trying to protect it or transport it, raising a house is no small feat. Read on to find out everything you need to know about the cost to raise a house.
Close-up of a foundation drainage system with perforated black pipe connected to a white downspout over gravel
Marwa Hasan  •  Aug 14, 2025
Your Guide to Dealing With Foundation Drain Issues
Foundation draining issues can cause a lot of problems for your house Learn how to spot these drainage problems so you can figure out how best to repair them.
A tan finished basement features a wet bar with dark countertops, a gray sectional sofa, and built-in shelving
Rachel Hoffman  •  Aug 14, 2025
How Much Does It Cost to Finish a Basement? [2025 Data]
An unfinished basement has a lot of potential for a family room or guest suite. So how much does it cost to finish a basement? Read on for all cost factors.
A contemporary finished basement features a blue accent wall, a wet bar, a gray sectional, and a light-colored rug
Ginny Bartolone  •  Aug 14, 2025
How Much Does It Cost to Frame a Basement? [2025 Data]
The first step toward a cozy finished basement is adding its framing. How much does it cost to frame a basement? Let's break down the numbers.
A modern finished basement features a wet bar, comfortable seating, wood floors, and exposed wooden beams
Rachel Hoffman  •  Aug 14, 2025
Is It Possible to Add a Basement to an Existing House?
Can you add a basement to a house? Use this guide to learn the benefits and drawbacks of adding a basement to your home.