Basement Waterproofing & Foundation Repair for Philadelphia's Suburbs
Stop water intrusion, musty basement air, foundation cracks, and crawl space moisture with solutions built for homes across Montgomery, Bucks, Chester, Delaware County, and the Main Line.
Request Your Free Basement or Foundation Inspection
Tell us what you’re seeing—water after rain, wall cracks, musty smell, sump pump issues, or crawl space moisture—and we’ll help you schedule the right next step.
Trusted by homeowners across the Philadelphia suburbs
Free
Free Inspection & Written Estimate
25+
Serving homeowners across Montgomery, Bucks, Chester, and Delaware County.
0%
Financing options available.
Full-Service
Waterproofing, foundation, crawl space, and drainage solutions under one roof.
Small Signs Turn Into Expensive Repairs
Many suburban Philadelphia homes deal with drainage pressure, aging masonry, foundation movement, and basement moisture. The earlier you diagnose the cause, the easier it is to protect the home and avoid larger repairs.
HighWater in the basement after heavy rain.
Puddles, seepage through walls, or water on the floor after heavy rain are signs of a drainage or waterproofing failure. It gets worse with every storm.
Get a Free AssessmentCracks in basement walls or floors.
Horizontal, stair-step, or widening cracks in your foundation walls are structural warning signs. The longer you wait, the more expensive the repair.
Get a Free AssessmentMusty odor or damp basement air.
That persistent odor means moisture is present — often in walls, the crawl space, or behind finished surfaces. Mold follows within 24–48 hours of moisture.
Get a Free AssessmentBowing or leaning basement walls.
Walls bowing inward are under lateral soil pressure. Even 1–2 inches of movement is a structural emergency. This does not resolve on its own.
Get a Free AssessmentCrawl space moisture and humidity.
A damp crawl space rots floor joists, raises energy bills, and sends mold spores into your living areas. Up to 50% of your home's air comes from below.
Get a Free AssessmentSump pump failure or recurring flooding.
A failed sump pump during a storm can flood your basement in hours. If your pump is over 7 years old, running constantly, or making noise — it needs attention now.
Get a Free AssessmentNot sure which problem you have?
Take our 5-question diagnostic quiz and get a personalized assessment of what's causing your basement water problem.
Repair the Cause,
Not Just the Symptom
We help homeowners fix wet basements and structural problems with solutions tailored to the home, the moisture source, and the level of damage.
98%
dry after first heavy rain
Basement Waterproofing
Interior & exterior systems
Stop seepage, wall moisture, and puddling with drainage, waterproofing, and moisture-control solutions.
Learn More25yr
structural warranty
Foundation Repair
Structural stabilization
Address cracks, settlement, and wall movement before structural issues get worse.
Learn More50%
avg energy savings
Crawl Space Repair
Full moisture control
Control moisture, odors, humidity, and air-quality issues under the home.
Learn More8–12hr
battery backup runtime
Sump Pump & Drainage
Primary & battery backup
Install or replace sump pump systems, battery backups, and drainage corrections to reduce flood risk.
Learn MoreFrom First Call to
Dry Basement — 4 Steps
No surprises, no pressure. Here's exactly what to expect when you work with Platinum Waterproofing.
Inspect
Free 60-Point Inspection
A certified specialist visits your home and performs a thorough inspection of your basement, foundation, and crawl space. We identify every issue — not just the obvious ones.
Usually scheduled within 48 hours
Diagnose
Root Cause Analysis
We explain exactly what's causing your problem in plain English — hydrostatic pressure, soil movement, drainage failure, or structural stress — and show you the evidence.
Written report provided same day
Repair
Permanent Installation
Our trained crews install the right solution for your specific situation. No upselling, no unnecessary work. Clean, efficient installation with minimal disruption.
Most jobs completed in 1–3 days
Protect
Warranty & Follow-Up
Every job comes with a written warranty. We do a final walkthrough, explain your system, and schedule a follow-up to make sure everything performs as expected.
Lifetime transferable warranty
No obligation. No pressure. Just answers. Financing options available.
Built for Suburban Homeowners Who Want Clarity
Homeowners do not want vague answers or pressure—they want a clear inspection, a practical repair plan, and confidence that the work will last. Our process is designed to explain what is happening, what needs to be fixed now, and what options make the most sense for the property.
4-step process:
Step 1
Inspect
Identify visible symptoms and likely water or structural causes.
Step 2
Diagnose
Explain what is causing the issue and how serious it is.
Step 3
Repair
Match the right waterproofing, drainage, or stabilization solution to the home.
Step 4
Protect
Reinforce the result with maintenance guidance, warranty language, and next-step recommendations.
Locally Owned, Not a National Chain
We're a family-owned business based in the Philadelphia suburbs — not a franchise. When you call us, you talk to someone who knows your neighborhood and your housing stock.
Honest Diagnosis, Not a Sales Pitch
Our inspectors are paid to find the right solution, not the most expensive one. We'll tell you if you don't need a full system — and we put that in writing.
Lifetime Transferable Warranties
Our waterproofing warranties transfer to the new owner when you sell. That's a real asset — most buyers and realtors recognize it immediately.
Trained, Background-Checked Crews
Every technician is a full-time employee — not a subcontractor. Trained in-house, background-checked, and held to our quality standards on every job.
Flexible Financing Options
0% interest financing and low monthly payment plans so you can protect your home now without depleting savings. Quick approval, no prepayment penalties.
Responsive, Respectful Service
We show up on time, keep your home clean, and explain everything before we start. No surprises on the bill, no pressure tactics, no disappearing after the job.
Bill Bowman
Founder & Lead Inspector
25+ years in the Philadelphia suburbs
“We started this company because homeowners deserved better than a high-pressure sales pitch. Our job is to give you an honest assessment and a permanent fix — nothing more.”
Trusted by Homeowners Across
the Philadelphia Suburbs
4.9
out of 5.0
“After two years of dealing with a wet basement every time it rained, Platinum came in and completely transformed the space. The crew was professional, clean, and finished ahead of schedule. Our basement has been bone dry for 18 months.”
Robert & Linda M.
Blue Bell, PA · Montgomery County
“I had a major foundation crack that was getting worse every winter. Their structural team came out, explained everything clearly, and repaired it with a carbon fiber system. The warranty gave me real peace of mind.”
James T.
Doylestown, PA · Bucks County
“The crawl space repair they did was incredible. The musty smell that had been in our house for years is completely gone. Energy bills dropped noticeably too. Worth every penny.”
Patricia H.
Havertown, PA · Delaware County
Financing for Repairs That Can't Wait
Basement waterproofing and foundation repairs are often time-sensitive, and financing can help homeowners move forward before damage spreads. We offer monthly payment options, fast approvals, and estimate-first consultations — so you can understand the full picture before making any decisions.
0% Interest
for 12 months
Low Monthly
payment plans
Quick Approval
same-day decisions
No Penalty
pay off early anytime
Proudly Serving the
Philadelphia Suburbs
Montgomery County
Bucks County
Delaware County
Chester County
Main Line
Featured towns: Blue Bell, Ambler, Doylestown, Yardley, Newtown, Media, Havertown, Springfield, West Chester, Downingtown, Malvern, Wayne, Ardmore.
Request a free estimate to confirm your area.
We Stand Behind Every Job We Do
We don't just fix the symptom — we solve the problem permanently. That's why we can offer warranties that most contractors won't touch. Our work is built to last, and we put it in writing.
PA HIC License
#PA179233
Reviews
5.0 Since 2001
Fully Insured
PA & NJ
Google Rating
4.9 / 5.0
Lifetime Transferable Warranty
Our interior waterproofing systems come with a lifetime warranty that transfers to the new owner if you sell — a real asset when listing your home.
25-Year Foundation Repair Warranty
All structural repairs including carbon fiber straps, wall anchors, and piering systems are backed by a 25-year written warranty.
Annual Maintenance Program
Optional annual inspection and maintenance to keep your system performing at peak efficiency year after year.
Same-Day Emergency Response
Active flooding or structural emergency? We offer same-day emergency response for existing customers and priority scheduling for new clients.
Free Basement Leak
Inspection Checklist
10 Things to Check Right Now
- Wall cracks — horizontal, stair-step, or vertical
- White chalky deposits (efflorescence) on walls
- Water stains or tide marks on basement floor
- Musty odor or visible mold growth
- Peeling paint or bubbling drywall
- Sump pump age and last test date
- Window well drainage condition
- Downspout discharge distance from foundation
- Grading slope away from home
- Crawl space moisture and insulation condition
Is Your Basement Hiding a Water Problem?
Most basement leaks give warning signs months before they become serious — if you know what to look for. Our free 10-point inspection checklist walks you through exactly what to check in under 15 minutes.
- Spot early warning signs before they become expensive
- Know which cracks are cosmetic vs. structural
- Understand what's causing your musty smell
- Check your sump pump before the next storm
- Used by our inspectors on every free home visit
Common Questions from Philadelphia Homeowners
We hear the same questions from homeowners across Montgomery, Bucks, Delaware, and Chester Counties. Here are honest answers.
Still have questions?
Our specialists are available 7 days a week to answer any questions about your specific situation.
Protect Your Home's
Foundation Today
Join thousands of Philadelphia-area homeowners who've chosen permanent solutions over temporary fixes. Your free inspection is just one call away.
Serving Montgomery County · Bucks County · Delaware County · Chester County · Main Line