Delaware's Highest Rated Basement Waterproofing | Delaware Basement Waterproofing
Locally owned · Delaware proud · Since 2004 Mon–Sat 8am–8pm · (800) 834-6584
★★★★★ Rated 4.9 by 1,500+ Delaware homeowners

Delaware's Highest Rated Basement Waterproofing Company

Family-owned and keeping Delaware basements dry since 2004. We find the real cause of the water, explain your options in plain English, and fix it right — no scare tactics, no pressure.

As rated on
Google reviews 4.9 starsBBB A+ Accredited BusinessHomeAdvisor Best OfAngi Super Service AwardNextdoor Neighborhood Fave
The local Delaware Basement Waterproofing crew in Wilmington, Delaware, standing in front of their branded truck
4.9
★★★★★
1,500+ reviews
Locally owned in DEFamily-run since 2004
Awards & recognition

Our Awards & Recognition 🏆

Google · 4.9 ratingGoogle · 4.9 rating
BBB A+ AccreditedBBB A+ Accredited
HomeAdvisor Best OfHomeAdvisor Best Of
Angi Super Service 2025Angi Super Service 2025
Nextdoor Fave 2025Nextdoor Fave 2025
Thumbtack Top Pro 2025Thumbtack Top Pro 2025
homeyou Verified Prohomeyou Verified Pro
BuildZoom 5-StarBuildZoom 5-Star
BNI MemberBNI Member
Delaware Basement Waterproofing branded service truck parked outside a Delaware home
22+Years in Delaware
Why neighbors call us first

A local family business, not a high-pressure sales crew

We've lived and worked in Delaware for over two decades. We know our clay soil, our high water table near the coast, and the older stone foundations around Wilmington — because we fix them every day.

  • Honest, no scare tacticsWe show you photos of what's really happening and recommend only what your home needs.
  • Built for Delaware conditionsSystems designed for our soil, water table, and storm patterns — not a generic franchise playbook.
  • Clear pricing & real warrantiesWritten quotes, plain-English explanations, and transferable warranties that add value if you sell.
22+YEARS IN BUSINESS
1,500+HOMES PROTECTED
100%DELAWARE-BASED
How it works

Four simple steps — no pressure at any of them

Most homeowners just want a straight answer. Here's exactly what happens from your first call to a dry basement.

1

Free inspection

We come out, measure, and find the real source of the moisture — not just the symptom.

2

Honest assessment

You get photos and a plain-English explanation of what's going on and how urgent it really is.

3

Written plan & quote

A clear, itemized estimate with options. No surprise fees, no "today only" pressure.

4

Lasting fix

Our local crew installs it right and backs it with a transferable warranty. Done.

Where we work

Serving all of Delaware

From New Castle County down to the beach towns, we know the ground under your home. If you're in Delaware, we can help.

WilmingtonOlder stone & brick foundations
NewarkClay soil & hillside drainage
MiddletownNewer homes & sump systems
DoverCrawl spaces & flat-lot grading
RehobothHigh water table near the coast
+ SurroundingAll of New Castle, Kent & Sussex
Service area Wilmington HQ
MARYLAND NEW CASTLE KENT SUSSEX DelawareBay AtlanticOcean Wilmington Newark Middletown Dover Rehoboth DELAWARE
Real Delaware homeowners

Rated 4.9 from 1,500+ reviews

4.9
★★★★★
Google · BBB · HomeAdvisor · Angi · Nextdoor
★★★★★

"They found the actual reason our Wilmington basement flooded — bad grading, not the foundation a competitor tried to sell us. Fixed it for a third of the price. Honest people."

MK
Maria K.Wilmington, DE
★★★★★

"After every Rehoboth storm our crawl space was soaked. Their encapsulation and backup sump pump finally fixed it. The crew was respectful and cleaned up perfectly."

JT
James T.Rehoboth Beach, DE
★★★★★

"No pressure, no fear-mongering. They explained our options, gave us a written quote, and the foundation piers came in right on budget. Highly recommend in Newark."

DP
Denise P.Newark, DE
Get in touch

Book your free inspection

Tell us what's going on and we'll get back to you the same day, Monday through Saturday. No pressure, no obligation.

Call or text(800) 834-6584
Open hoursMon–Sat 8am–8pm · Sunday closed
Service areaWilmington · Newark · Middletown · Dover · Rehoboth & all of Delaware

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    Or call us now at (800) 834-6584

    Worried about water in your basement?

    Get a free, no-pressure inspection from a local Delaware family business. We'll tell you exactly what's going on — even if the answer is "you don't need us yet."

    Open Monday–Saturday, 8am–8pm · Same-week appointments available

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