Find Waterproofing Companies Near You
Stop water intrusion before it destroys your foundation — find a waterproofing specialist who fixes the problem permanently. Compare costs across 43 states and 20,512 zip codes.
Avg Bid
$67.86
Bid Range
$40 - $105
Zip Codes
20,512
US Coverage
62%
How Much Do Waterproofing Companies Cost?
Typical cost range: $2,000–$15,000 depending on method and scope. Actual prices vary by location, complexity, and urgency.
When to Hire a Waterproofing Specialist
Water seeps through your basement walls or floor during or after rain — even small amounts indicate hydrostatic pressure problems that will worsen
You see white mineral deposits (efflorescence) on basement walls, which means water is actively migrating through the concrete
Your crawl space has standing water, visible moisture on surfaces, or a musty smell that permeates the floors above
Foundation cracks are widening or you see horizontal cracks in block walls — these indicate structural movement from water pressure
You're finishing a basement and need waterproofing before investing in framing, drywall, and flooring
Your sump pump runs constantly or you don't have one in a basement that's ever been damp
How to Choose a Good Waterproofing Specialist
A company that diagnoses the specific water source (groundwater, surface runoff, plumbing leak, condensation) before recommending solutions
Multiple solution options with honest assessment of which approach fits your situation — not just one product they push on everyone
Experience with your foundation type (poured concrete, block, stone, brick) — each requires different waterproofing methods
Transferable lifetime warranty that covers both the system and labor, backed by a company with financial stability
References from projects completed 5+ years ago so you can verify the solution is holding up long-term
Proper permits pulled for any excavation or drainage work affecting grading
Common Waterproofing Specialist Problems
Hydrostatic pressure forcing groundwater through the floor-wall joint — the most common basement water entry point
Foundation cracks from settling, frost heave, or tree root pressure that allow water intrusion during rain events
Failed or nonexistent exterior drain tile that was supposed to route water away from the foundation
Sump pump failure during storms when it's needed most — either from power outages, switch failures, or inadequate capacity
Crawl space moisture creating mold, wood rot, and pest problems that affect indoor air quality throughout the home
Negative grading that directs surface water toward the foundation instead of away from it
Questions to Ask Before Hiring a Waterproofing Specialist
“What is the specific source of the water, and how did you determine that?”
Surface water, groundwater, and plumbing leaks all require different solutions. A company that recommends a fix without diagnosing the source is guessing — and an expensive guess can leave you still wet.
“Is your warranty transferable to a future buyer, and what exactly does it cover?”
A transferable lifetime warranty adds real value to your home and signals that the company stands behind their work. Read the exclusions carefully — some warranties exclude acts of nature or changes to the landscape.
“Have you worked on foundations built like mine, and can you show me examples?”
Poured concrete, concrete block, fieldstone, and brick foundations each have different waterproofing challenges. A company experienced with your foundation type will avoid costly trial-and-error approaches.
Red Flags to Watch For
Recommends interior waterproof paint alone as a solution for active water intrusion — coatings cannot stop hydrostatic pressure and will eventually peel
Pushes a single solution regardless of the water source — one-size-fits-all indicates they only know one approach
Cannot explain how their drainage system handles water from point of entry to point of discharge
No warranty, a warranty shorter than 10 years, or a warranty that's not transferable to future homeowners
Requires full payment upfront before any work begins — reputable companies structure payments around milestones
Safety Considerations
Never ignore foundation cracks — horizontal cracks in block walls indicate bowing from hydrostatic pressure and can lead to catastrophic wall failure if unaddressed
Standing water in basements and crawl spaces creates severe mold and air quality hazards — the EPA estimates 40% of indoor air comes from below-grade spaces
Sump pumps without battery backup will fail during power outages, which often coincide with the storms that cause the flooding
DIY vs Hiring a Pro
You can apply interior waterproof paint or sealant to handle minor condensation on basement walls. You can also extend downspout drainage and regrade soil away from the foundation to manage surface water. But active water intrusion through walls, cracks, or the floor-wall joint requires professional waterproofing. Interior French drains, sump pump systems, and exterior membrane waterproofing involve specialized equipment, drainage engineering, and structural knowledge. DIY attempts at serious waterproofing often make the problem worse by trapping moisture behind coatings or creating new paths for water to follow.
Licensing & Guarantees
Waterproofing contractor licensing requirements vary by state. Many states require a general contractor's license for foundation work. Some municipalities require separate permits for excavation and drainage modifications. Always verify active licensing, liability insurance ($1M minimum), and workers' compensation. Look for membership in the Basement Health Association (BHA) or similar trade organizations as an additional quality signal.
What to expect: Expect a transferable lifetime warranty on interior drainage systems and sump pump installations (though the pump itself typically has a separate manufacturer warranty of 3–5 years). Exterior waterproofing should carry a minimum 10-year warranty. The warranty should cover both materials and labor. Any warranty that excludes 'acts of God,' changes to landscaping, or fails to cover the labor cost of re-entry is significantly less valuable than it appears.
Seasonal Tip
Spring snowmelt and heavy spring rains are when most homeowners discover waterproofing problems. Schedule inspections in late winter before the rush. Fall is the best time for exterior waterproofing work — the ground is dry enough to excavate and the project will be complete before spring thaw. Sump pump maintenance should happen annually in early spring: test the float switch, clean the pit, and consider a battery backup before storm season. Winter frost heave can worsen foundation cracks — monitor any existing cracks for movement through the freeze-thaw cycle.
Cost Distribution
Most Expensive Cities
- 1. Abingdon, VA$105
- 2. Accoville, WV$105
- 3. Adams, KY$105
- 4. Adelphi, OH$105
- 5. Allen Junction, WV$105
- 6. Alum Creek, WV$105
- 7. Amonate, VA$105
- 8. Anawalt, WV$105
- 9. Andover, VA$105
- 10. Appalachia, VA$105
Least Expensive Cities
- 1. Addison, TX$40
- 2. Adkins, TX$40
- 3. Alief, TX$40
- 4. Allen, TX$40
- 5. Anahuac, TX$40
- 6. Anna, TX$40
- 7. Argyle, TX$40
- 8. Arlington, TX$40
- 9. Atascosa, TX$40
- 10. Aubrey, TX$40
Coverage by State
$87.44 avg
$81.99 avg
$78.94 avg
$76.87 avg
$75.52 avg
$75.23 avg
$73.09 avg
$73.00 avg
$73.00 avg
$72.97 avg
$72.19 avg
$69.77 avg
$68.95 avg
$68.84 avg
$67.68 avg
$66.98 avg
$66.14 avg
$65.21 avg
$65.02 avg
$65.01 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
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$65.00 avg
$65.00 avg
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$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$65.00 avg
$40.00 avg
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Frequently Asked Questions: Waterproofers
- What is the average cost for Waterproofers?
- The national average bid for Waterproofers is $67.86 per call, with prices ranging from $40 to $105 depending on location and market competition.
- How many zip codes have Waterproofers coverage?
- Waterproofers has active provider coverage across 20,512 zip codes in 43 states, representing approximately 62% of US zip codes.
- Which state has the highest Waterproofers costs?
- Delaware has the highest average Waterproofers bid at $87.44 per call across 75 zip codes.
- Which state has the lowest Waterproofers costs?
- Texas has the lowest average Waterproofers bid at $40.00 per call across 569 zip codes.
- How often is Waterproofers pricing data updated?
- Our Waterproofers market data is refreshed every 12 hours from the eLocal marketplace, ensuring you see current bid prices and coverage information.