5 Best Basement Renovation Contractors in Chicago (2026)

Independently ranked by our review of ratings, reviews and reputation · How we chose

By Brad Smith, Home Services Expert · ✓ Data verified August 2026 · 8 min read

A wet basement in Chicago rarely waits for a convenient time, and the basement renovation contractors below know that better than most: one has logged over 13,000 Google reviews at a 4.9 average, more than nineteen times the next closest name on this page. That kind of volume, paired with a rating that barely moves, says something real about how consistently the work gets done.

Short answer: Perma-Seal Basement Systems is the standout, with a 4.9 rating across 13,232 reviews and services spanning waterproofing, foundation repair, and basement finishing since 1979. For a smaller, still highly rated option, Real Seal (4.9, 693 reviews) and Chicago Basement Systems (5.0, 302 reviews) both handle crack repair and drainage work. Costs vary widely depending on whether you need a full waterproofing system or just crack repair.

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1. Perma-Seal Basement Sy…
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5. Family Waterproofing S…
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Chicago's basement renovation contractors compared

#	Business	Rating	Reviews	Best for
1	Perma-Seal Basement Systems	4.9 ★	13,232	Overall / waterproofing and foundation repair	View ›
2	Real Seal Basement Waterproofing & Foundation Repair	4.9 ★	693	Foundation crack repair and financing options	View ›
3	Chicago Basement Systems	5.0 ★	302	Structural repair and full basement finishing	View ›
4	Forever-Dry Basement Waterproofing	5.0 ★	131	Smaller waterproofing jobs, personal service	View ›
5	Family Waterproofing Solutions	4.7 ★	123	Honest assessments, smaller concrete and crack jobs	View ›

5 Best Basement Renovation Contractors in Chicago (2026)

Our top picks, reviewed

#1 Overall🕑 Open 6 days/wk↩ Responds to reviews

Perma-Seal Basement Systems

4.913,232 Google reviews

Perma-Seal Basement Systems has served the Chicagoland area since 1979, offering foundation repair, basement waterproofing, sump pump installation and monitoring, yard drainage, attic insulation, and concrete lifting and leveling. It's a family-owned company covering both wet basement problems and structural foundation issues like bowed walls and settlement.

What people praise

Massive, consistent review base, 12,405 of 13,232 reviews are five stars
Handles both waterproofing and structural foundation repair
Crews specifically praised for being thorough and communicative
Follow-up service and warranty support mentioned by reviewers

Worth knowing

High demand means scheduling can take a few weeks for non-emergency work

Reputation scorecardrank in Chicago

Rating4.9 / 5

Review volume13,232 · 97th

Confidencevery high

Recency3 weeks ago

Info completenesssite · phone · hours

Rating breakdown94% 5-star

✓ VerifiedSource: Google

Our take: The largest and most consistent track record on this page by a wide margin, and the range of services covered makes it the safest first call for most basement problems.

Website +1800-421-7325 Directions

412 Rockwell Ct, Burr Ridge, IL 60527

#2🕑 Open 7 days↩ Responds to reviews

Real Seal Basement Waterproofing & Foundation Repair

4.9693 Google reviews

Real Seal Basement Waterproofing & Foundation Repair covers foundation crack repair, crawl space sealing, sump pump installation, window well rebuilding, and drainage system installation across the Chicago suburbs. The company offers financing for larger jobs and backs installed systems with a multi-year parts and labor warranty.

What people praise

Thorough inspections before quoting, explained in plain language
Warranty honored years later, one reviewer got same-day service on a 5-year-old pump
Financing available and described as fast to get approved
Techs named repeatedly for professionalism and clean work

Worth knowing

Some jobs, like full window well rebuilds, can get expensive before financing

Reputation scorecardrank in Chicago

Rating4.9 / 5

Review volume693 · 92th

Confidencevery high

Recency7 weeks ago

Info completenesssite · phone · hours

Rating breakdown95% 5-star

✓ VerifiedSource: Google

Our take: A strong pick when the job involves ongoing water issues that need a real diagnosis, not just a patch, especially given the warranty follow-through reviewers describe.

Website +1847-999-4296 Directions

570 Estes Ave, Schaumburg, IL 60193

#3🕑 Open 6 days/wk↩ Responds to reviews

Chicago Basement Systems

5.0302 Google reviews

Chicago Basement Systems handles foundation wall repair, drainage systems, sump pumps, and full basement finishing using products like Everlast wall panels and Thermal Dry flooring, serving the greater Chicago area from its Mokena location. The company also installs carbon fiber and steel strap reinforcement for bowing foundation walls.

What people praise

Perfect 5.0 rating across 302 reviews
Handles serious structural issues like tilting foundation walls
Crews communicate proactively throughout multi-day installs
Project managers follow up personally, per multiple reviewers

Worth knowing

Best suited to larger structural or full-finish jobs, may be more than needed for a minor leak

Reputation scorecardrank in Chicago

Rating5 / 5

Review volume302 · 86th

Confidencehigh

Recency2 months ago

Info completenesssite · phone · hours

Rating breakdown98% 5-star

✓ VerifiedSource: Google

Our take: The pick when the basement problem is structural, not just cosmetic, given how many reviews describe serious foundation work done well.

Website +1708-838-2662 Directions

9860 Clearvue Ct, Mokena, IL 60448

#4🕑 Open 5 days/wk↩ Responds to reviews

Forever-Dry Basement Waterproofing

5.0131 Google reviews

Forever-Dry Basement Waterproofing is a smaller Chicago-based company run largely by Ryan, handling foundation crack repair, sump pump sealing, and general basement waterproofing. Reviewers consistently describe a hands-on, low-pressure approach to diagnosing and fixing leaks.

What people praise

Personally responsive, Ryan handles inspections and follow-up communication directly
No high-pressure sales tactics mentioned by any reviewer
Fast turnaround, several jobs completed within 48 hours of the initial call
Comes recommended through word of mouth repeatedly

Worth knowing

Smaller team than the larger names on this page, may have less capacity for very large projects

Reputation scorecardrank in Chicago

Rating5 / 5

Review volume131 · 81th

Confidencemoderate

Recency3 weeks ago

Info completenessphone · hours

Rating breakdown99% 5-star

✓ VerifiedSource: Google

Our take: Worth calling for straightforward leak and crack repair, especially if you want a more personal, less corporate experience.

+1708-423-2800 Directions

12030 S Lawler Ave, Chicago, IL 60803

#5🕑 Open 6 days/wk↩ Responds to reviews

Family Waterproofing Solutions

4.7123 Google reviews

Family Waterproofing Solutions offers basement waterproofing, foundation crack repair, crawl space encapsulation, concrete raising, and drain tile systems around Evergreen Park and the wider Chicagoland area, positioning itself as a smaller alternative to the bigger waterproofing companies.

What people praise

Reviewers specifically praise honesty, including being told when work wasn't needed
Owner Ken personally performs some of the work
Competitive pricing compared to larger competitors, per one reviewer's quote comparison

Worth knowing

Slightly lower rating and review count than the top names on this page

Reputation scorecardrank in Chicago

Rating4.7 / 5

Review volume123 · 75th

Confidencemoderate

Recency5 weeks ago

Info completenesssite · phone · hours

Rating breakdown89% 5-star

✓ VerifiedSource: Google

Our take: A good option if you want a second opinion or a smaller company that won't push unnecessary work, based on multiple reviewers' accounts.

Website +1708-330-4466 Directions

3328 W 95th St, Evergreen Park, IL 60805

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How we rank these contractors

Rating is the live Google average. Review volume measures how many real customers rated the business, weighted against others on this page. Confidence blends rating and volume so a smaller sample doesn’t outrank a deeper history. Recency checks how current the activity is. No business can pay to change these numbers.

How much does basement renovation cost in Chicago? (2026)

Pricing depends heavily on whether the job is a simple crack seal, a full drainage and sump pump system, or a complete structural repair with wall reinforcement. None of the businesses here published verifiable public rate sheets, so get a written estimate for your specific issue.

Serving all of Chicago and the suburbs

These basement contractors cover Chicago and the surrounding suburbs, from Burr Ridge and Schaumburg to Mokena and Evergreen Park, and most will travel citywide for an inspection. If you’re searching for basement renovation near me in Chicago, all of them listed here serve the metro area.

What to ask before you hire a basement renovation contractor

Is the issue a waterproofing problem, a structural foundation problem, or both?
What warranty comes with the repair, and how long does it last?
Do you offer financing for larger projects?
Will you inspect the exterior grading and drainage, not just the interior?
How long will the repair or install take from start to finish?
Can you provide references for a similar job in my neighborhood?

Frequently asked questions

Are these rankings paid?

No. Rankings come from public Google data. A business can pay to be a Featured Partner (badge + top placement), but that never changes another business’s score or position.

How did you choose these basement renovation contractors?

We pulled real Google ratings, review counts, and review text for basement renovation and waterproofing companies serving Chicago, then ranked them on rating, review volume, and recency of activity.

How often is this updated?

This page reflects Google data verified in August 2026 and is refreshed periodically as ratings and review counts change.

Do I need a permit for basement waterproofing in Chicago?

It depends on the scope of work. Structural repairs and major drainage system installs often require permits; ask your contractor whether they handle that process.

What’s the difference between waterproofing and basement finishing?

Waterproofing addresses water intrusion and structural issues before any finish work begins. Basement finishing, which some contractors on this page also offer, is the cosmetic build-out that comes after the space is dry and stable.

The bottom line

Perma-Seal Basement Systems is the safe default given its decades in business and enormous, consistent review base spanning both waterproofing and structural repair. For a smaller, more hands-on experience, Forever-Dry and Family Waterproofing Solutions are both worth a call. Get a written estimate before any major work begins.

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