How much does crawl space waterproofing cost?

Most jobs fall between about $3,000 and $10,000. A vapor barrier alone can run $1,500 to $4,000, while drain tile, a sump pump and a dehumidifier push the total higher. Larger crawl spaces and repairs for rot or mold add to it.

How often does a crawl space need waterproofing?

A properly installed system should last many years and is not redone on a schedule. Pumps and dehumidifiers wear out sooner, typically in 7 to 15 years, so plan to test the pump yearly and service equipment as needed.

What should I expect during the work?

Expect an inspection and written quote first. Installation usually takes one to three days: cleaning out the space, laying drain channel, setting the pump, then sealing the barrier and vents. Crews work in tight, dirty conditions, so ask how they protect your home and dispose of debris.

How can I judge the quality of a quote?

Compare scope line by line, not just price. A good quote names materials and thicknesses, addresses exterior drainage, states warranty terms in writing and explains how water leaves the house. Be wary of pressure to sign the same day.

Crawl Space Waterproofing in Warren

Crawl Space Waterproofing in Trumbull county, Ohio

What crawl space waterproofing involves

A wet crawl space rarely fixes itself. Standing water, damp insulation, musty air and soft floor joists usually trace back to groundwater, poor exterior grading or humid air moving in through vents. Waterproofing deals with the cause. Typical work includes a perimeter drain channel, a sump pump with a battery backup, a heavy vapor barrier (often 12 to 20 mil) sealed up the walls, vent sealing, and a dehumidifier to hold humidity down.

What to look for

Ask for a written scope that names the drain type, pump brand and capacity, and barrier thickness. Check that the installer inspects the gutters and grading outside, since drainage problems there will undo interior work. Look for a transferable warranty, a clear answer on where the pumped water discharges, and a plan for any wood rot or mold found under the house.

How our scoring helps

We list 5 Warren companies in this category and score them on the same criteria, so you can compare like with like instead of relying on a single star rating. See the full ranked guide to Warren waterproofing companies for the order, and read our methodology to see what we measure and how it is weighted.

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All crawl space waterproofing in Warren, ranked by score and relevance

5 businesses, scored on recent reviews. The order weighs each business's overall score by how much of its reviewed work is crawl space waterproofing, so a lower-scored specialist can rank above a higher-scored generalist.

AK Water Works & HVAC

4.9(1262)✓ Google-verifiedPublishes prices

Reviewers in recent weeks describe a team that explains problems in plain terms and comes out quickly, often the same day. Many say the technicians are professional, tidy, and easy to work with, and several say they would call again or recommend them to others. Recent reviews also cover sump pump replacements, a sewage ejector pump swap with restoration help, and a main water line replacement by excavation. One longer job drew a note that updates on utility marking slipped, though the reviewer said the work itself was finished well. Sewer, drain, and water heater work appear in the company's own service list.

Exterior Waterproofing & DrainageCrawl Space WaterproofingBasement Waterproofing

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SERVPRO of Trumbull and Ashtabula Counties

4.5(176)✓ Google-verified

Reviewers describe friendly, prompt crews on flooded basement and mitigation jobs. Several praise how staff kept them informed and cleaned up after work. Calls and quotes drew the most frustration, with some people saying they waited weeks for a return call. Recent reviews cover gutter replacement with leaf guards, basement drying with air movers, and cleaning after water damage. One of the newest reviews is a positive gutter job. Older one-star reviews describe a costly kitchen mitigation dispute, which is the most serious complaint on the page.

Basement WaterproofingCrawl Space WaterproofingExterior Waterproofing & Drainage

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60 low data

ABF Construction

5.0(3)✓ Google-verified

Not enough recent reviews yet to synthesise a reliable sentiment read for this business.

Crawl Space WaterproofingBasement WaterproofingExterior Waterproofing & Drainage

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45 low data

Superior Waterproofing

5.0(2)

Not enough recent reviews yet to synthesise a reliable sentiment read for this business.

Exterior Waterproofing & DrainageBasement WaterproofingFoundation Crack Repair

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38 low data

Trumbull Basement Waterproofing

2.0(5)

Only five Google reviews exist, so the picture is thin. The average is 2 stars, and most reviewers rate the company one or two stars. One older five-star review praises the crew's courtesy and tidy site. The lower reviews focus on missed calls and water returning after the work.

Basement WaterproofingCrawl Space Waterproofing

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Common questions about crawl space waterproofing

How much does crawl space waterproofing cost?: Most jobs fall between about $3,000 and $10,000. A vapor barrier alone can run $1,500 to $4,000, while drain tile, a sump pump and a dehumidifier push the total higher. Larger crawl spaces and repairs for rot or mold add to it.
How often does a crawl space need waterproofing?: A properly installed system should last many years and is not redone on a schedule. Pumps and dehumidifiers wear out sooner, typically in 7 to 15 years, so plan to test the pump yearly and service equipment as needed.
What should I expect during the work?: Expect an inspection and written quote first. Installation usually takes one to three days: cleaning out the space, laying drain channel, setting the pump, then sealing the barrier and vents. Crews work in tight, dirty conditions, so ask how they protect your home and dispose of debris.
How can I judge the quality of a quote?: Compare scope line by line, not just price. A good quote names materials and thicknesses, addresses exterior drainage, states warranty terms in writing and explains how water leaves the house. Be wary of pressure to sign the same day.