Basement Waterproofing Philly

★ We Tell Water Bye & Keep You Dry!

Philly's Trusted Basement Waterproofing Experts

Protect your home from water damage with honest, permanent fixes. Free inspections & straight-shooting estimates — no scare tactics, ever.

✓ 1,500+ five-star reviews  •  ✓ 22+ years in Philly  •  ✓ Licensed & insured

★★★★★  1,500+ 5-Star Reviews   |   BBB A+ Rated   |   22+ Years in Business   |   HomeAdvisor Top Rated   |   Licensed & Insured

Recognition

Awarded by the platforms homeowners trust most

These are our real award profiles — earned through verified reviews, not advertising.

Year after year, the homeowners who hired us put us back on top. Here are the badges, straight from the source.

★ HomeAdvisor & Angi — Super Service Award Winner

★ Thumbtack — 5 Years of Top Pro / Platinum Pro

About Us

Family-owned. Philly-proud. Here for the long haul.

We’re not a franchise — we’re a family. For over 22 years, Basement Gurus has kept Philly basements dry, one neighbor at a time. We grew up on these streets, and we treat every home like it’s our own.

Our mission is simple: honest, effective solutions and zero scare tactics. We'll show you exactly what's happening, explain your options in plain English, and only recommend the work your home actually needs.

What We Do

Complete waterproofing & foundation solutions

Whatever’s letting water into your home, we have a permanent fix for it — backed by a lifetime warranty.

Basement Waterproofing

Interior and exterior systems that stop seepage at the source and keep your basement dry for good — even after a Philly downpour.

Foundation Repair

Cracked, bowing, or settling walls? We stabilize and seal your foundation in Philly homes so small problems never become structural ones.

Crawl Space Encapsulation

We seal, insulate, and dry out your crawl space — locking out moisture, musty air, and pests while making your whole home healthier.

Sump Pump Installation

Reliable sump pump systems with battery backup, so the water that does get in gets pumped right back out — automatically, every time.

Mold Remediation

We remove existing mold and fix the moisture that caused it, restoring clean, breathable air to your basement and crawl space.

Drainage Solutions

French drains, grading, and exterior drainage that move water away from your foundation — the root-cause fix that keeps it from coming back.

Schedule Your Free Inspection Today

A Guru will diagnose the real problem and give you an honest estimate — no obligation.

Why Water Comes Back

Most "fixes" treat the symptom. We fix the cause.

Patching a crack or running a dehumidifier hides the problem for a season. Real, lasting results come from understanding why water finds its way in — and stopping it there.

01

Hydrostatic pressure

Saturated soil pushes groundwater against your walls and floor until it forces its way through.

02

Poor drainage & grading

Clogged gutters and soil that slopes toward the house funnel rain straight to your foundation.

03

Foundation cracks

Settling and freeze-thaw cycles open hairline gaps that widen into active leaks over time.

Diagram showing how water enters a basement and how our system keeps it out

Recent Work

Philly basements we turned around

A look at real homes across the region — diagnosed, fixed, and kept dry.

Interior drainage system channeling water to a sump in a South Philly rowhome basement

● South Philly, PA

Rowhome Basement Waterproofing

Chronic seepage solved with a full interior drainage system and battery-backed sump pump.

Cracked foundation wall reinforced with carbon-fiber straps in Northeast Philly

● Northeast Philly, PA

Foundation Crack Repair

Bowing wall stabilized and active cracks sealed — backed by our transferable lifetime warranty.

Crawl space sealed with a clean white vapor barrier in Delaware County

● Delaware County, PA

Crawl Space Encapsulation

Damp, musty crawl space sealed and insulated — cleaner air and lower energy bills upstairs.

Whole-home water protection shield over a house in New Castle County Delaware

● New Castle County, DE

Whole-Home Water Protection

French drains, sump system, and foundation sealing for a historic Delaware home near the river.

Sump pump in a pit with a discharge line to the outside in Montgomery County

● Montgomery County, PA

Sump Pump & Backup System

Upgraded to a high-capacity pump with battery backup so the basement stays dry through any storm.

Exterior regrading and a French drain directing water away from the home in Bucks County

● Bucks County, PA

Drainage & Grading Fix

Exterior regrading and a French drain redirected rainfall away from a recurring trouble spot.

Why Homeowners Choose Us

We're not a franchise. We're family.

And we treat your home like our own. When you call Basement Gurus, you get the owners' standards on every job — not a rotating crew of subcontractors.

Reviews

What Philly homeowners say

1,500+ five-star reviews — and counting. Here’s a taste.

★★★★★

“They found the real cause of our wet basement when two other companies just wanted to sell us a dehumidifier. Two years later — bone dry.”

Maria D.
South Philly, PA

★★★★★

“Honest from the first phone call. The estimate matched the final bill to the penny and the crew was respectful of our home the whole time.”

James R.
Northeast Philly, PA

★★★★★

“Our crawl space went from musty and damp to clean and dry. The whole upstairs feels healthier now. Worth every dollar.”

Angela T.
Delaware County, PA

FAQ

Questions, answered straight

No fine print, no run-around. Here’s what homeowners ask us most.

It depends on the size of your basement and the cause of the water — which is exactly why we start with a free, in-person inspection. After we diagnose the real issue, you'll get a clear, itemized estimate with no surprises and no pressure to decide on the spot.

Yes. Our waterproofing systems come with a lifetime, transferable warranty — so the protection stays with your home even if you sell it. We stand behind our work for the long haul.

Most residential projects are completed in one to three days, depending on the scope. We'll give you a firm timeline up front and keep your home clean and protected from start to finish.

We do. Flexible financing options are available so you can protect your home now and pay over time. Ask your inspector about plans that fit your budget.

Still have questions?

Get In Touch

Book your free inspection

Tell us what's going on downstairs. A Guru will be in touch within one business day.

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