Basement & Foundation Answers

Straight answers to the questions Chicago homeowners actually ask, written by the people who do the work. Real prices included, sales pitch not.

An open sump pit with the float raised and water still rising around the pump in a basement where the sump pump runs constantly.

Sump Pumps & Drain Tile

Why Does My Sump Pump Run Constantly?

A sump pump that will not shut off is telling you one of three things. Here is how to tell real groundwater from recirculated… August 18, 2026 · Read the answer

A newly installed sump pump sitting in an open basin in a Midwestern basement, with its discharge line and check valve running up the foundation wall.

Sump Pumps & Drain Tile

How Much Does It Cost to Install a Sump Pump?

A sump pump with battery backup runs $2,800 to $4,500 installed here. What the number covers, what cutting a new pit adds, and the… August 18, 2026 · Read the answer

A small level and a tape measure held against a tapered crack in a basement foundation wall to tell settling from a failing foundation.

Foundation Repair

Is My Foundation Settling or Failing?

Settling is old movement a house has already absorbed. Failing is movement still underway. Here is how to tell them apart with a tape… August 18, 2026 · Read the answer

A window well filling with rainwater beside a Midwestern home during a downpour, the setup that makes a basement leak when it rains hard.

Basement & Foundation Problems

Why Does My Basement Only Leak When It Rains Hard?

A basement that stays dry in drizzle and wets in a downpour is telling you something specific. Here is the mechanism, the entry points,… August 18, 2026 · Read the answer

A diagonal foundation crack running through a basement wall, marked with pencil ticks and a dated note to show whether the crack is serious or stable.

Foundation Repair

How Do I Know If a Foundation Crack Is Serious?

Direction, width and movement decide whether a foundation crack is serious. Here is what we measure at the wall, which patterns matter, and what… August 18, 2026 · Read the answer

A finished crawl space encapsulation under an Illinois home, with white liner sealed across the floor and up the block walls and dry framing overhead.

Is Crawl Space Encapsulation Worth It in Illinois?

For damp, vented Illinois crawl spaces, encapsulation earns its $7 to $14 per square foot. Here is the math, the houses it matters most… August 18, 2026 · Read the answer

Dark patches of crawl space mold spreading across wood floor joists above a bare dirt floor in a damp Chicago-area crawl space.

Is Mold in a Crawl Space Dangerous?

Crawl space air becomes living space air, so mold under the house deserves attention. What it means, what the moisture fix costs, and the… August 18, 2026 · Read the answer

A vertical crack in a poured concrete basement wall that has widened over several seasons, with old paint flaking along its edges and a dried mineral stain trailing down to the floor.

Foundation Repair

What Happens If You Ignore a Foundation Problem?

Foundation damage does not stabilize on its own in Chicago clay. Here is what changes each season, what waiting costs in real numbers, and… August 18, 2026 · Read the answer

A foundation crack in a basement wall being monitored, with dated pencil marks at each end and a millimeter ruler held across the crack for measurement.

Basement & Foundation Problems

How Do I Monitor a Foundation Crack to See If It’s Growing?

A free, step by step way to mark, measure and photograph a foundation crack with a pencil, a ruler and your phone, and how… August 18, 2026 · Read the answer

An interior waterproofing installation partway through its second day in a Chicago-area basement, showing how long basement waterproofing takes once the floor is opened.

Basement Waterproofing

How Long Does Basement Waterproofing Take?

Most jobs are done in one to three days of crew time. Here are the real durations by job type, the calendar from first… August 18, 2026 · Read the answer

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