B Altmans Waterproofing

What They Do

Water DamageMold

• Waterproofing
• Basement And Foundation Crack Repair
• Basement Basement
• Basement Floor Drain
• Basement Leak Repair
• Basement Moisture
• Basement Wall Cracks
• Basement Water
• Basement Waterproofing Signs
• Basement Waterproofing Solutions
• Basement waterproofing
• Basements Cleaning
• Basements Dry
• Bathroom Remodeling
• Bowing Basement Walls
• Concrete Basement
• Concrete Crack Repair
• Concrete Foundation Cracking
• Damage Cracks
• Damp Proofing
• Epoxy Injections
• Exhaust System
• Exterior Basement Waterproofing
• Flooded Basement
• Foundation And Waterproofing
• Foundation Damage
• Foundation Issues
• Interior Basement Waterproofing

In Their Own Words

Welcome to Altman's Waterproofing, your trusted destination for comprehensive basement waterproofing and foundation repair solutions in Staten Island. We're industry leaders, specializing in a range of services from resolving basement leaks, fixing foundation cracks, to inside basement wall waterproofing. Our seasoned team is committed to ensuring the integrity of your home's foundation, leveraging top-tier techniques for a safe, waterproof foundation, including the application of waterproof concrete. In the face of issues like foundation cracks or a leaking basement, rest assured our expert team will provide dependable, cost-efficient services.

Written by the business on its public profile. We have not verified these claims.

Before You Call B Altmans Waterproofing

1. Do you take moisture readings every day and will you give me the drying log?
2. Are your technicians certified in water damage restoration?
3. Where do you think the moisture is coming from, and who fixes it?
4. Will you set up containment and negative air, and how will you protect the rest of the home?

For mold jobs over 10 square feet, New York State requires a licensed mold assessor and a separate licensed remediation contractor. Ask for both license numbers.

Reviews on Other Sites

• Yelp

  3.6 from 9 reviews

  Read on Yelp
• Facebook

  5.0 from 5 reviews

• BBB

  Business profile, no star rating

  Read on BBB

Found on each site on September 24, 2026 and matched to this location. Ratings on different sites use different rules, so read a few reviews rather than comparing the numbers.

How Their Reviews Break Down

Counts from public listings as of September 23, 2026. A handful of reviews says less than a few hundred.

Read This While You Wait

• DIY with careWhat to Do in the First 24 Hours After Water DamageAn hour by hour plan for the first day after water damage. Make it safe, stop the source, document, remove water and start drying before mold can start.
• DIY with careSafe DIY Mold Cleanup for Areas Under 10 Square FeetA step by step method to clean up mold under 10 square feet safely, with the gear to buy, what to throw away, why bleach is not the default, and when to stop.
• DIY friendlyWasher, Dishwasher, Fridge and Toilet Supply Line LeaksHow washer hoses, dishwasher lines, ice maker tubing and toilet supply lines fail, how to clean up each kind of leak, and how to replace a line yourself.
• DIY with careAttic Mold on Roof Sheathing, Causes and FixesWhy mold grows on attic roof sheathing, how to find the cause, the fixes that stop it for good, and how to tell a cosmetic stain from a roof that needs work.