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Basement Waterproofing Companies in New York, NY

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Prescreened Basement & Foundation Waterproofing Services in New York, NY


Out of Network Basement or Foundation Waterproofing Companies in New York, NY

Cost to Waterproof a Basement or Foundation in New York, NY

  • New York, New York Average
    $5,786
  • Typical Range
    $4,150 - $8,661
  • Low End - High End
    $1,500 - $13,000

HomeAdvisor Community Rating

Overall Rating:

New York Foundation Contractors are rated 4.5 out of 5 based on 86 reviews of 9 featured pros.

The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.


Things to Consider Before You Waterproof or Repair a Leaky Basement:

  • What problems are you having with the foundation? (Check all that apply)
    Mold, mildew, and/or fungus
    Excessive dampness
    Discoloration, odors, or rust
    White powder or spots on walls
    Hairline cracks
    Basement flooding
    Buckling or bowing walls
    Mud or clay silt surfacing inside
    Corners shifting and cracking
    Floor dropping or other changes
  • What kind of foundation do you have?

Ideas & Inspiration from New York Foundations Services

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    Commercial projects. ...

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    Four bedroom house on waterfront property with swimming pool, terrace, and dock. ...

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    Defects found at various properties during inspections. These defects are at foundation walls and support systems. ...

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Recent Requests for Basement Waterproofing and Leaky Foundation Repair in New York, New York:

  • Project Location: New York, NY 10029
    Date: 06/2022
    Problems: Mud or clay silt surfacing inside
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Ready to Hire
    Desired Completion Date: 1 - 2 weeks
    Location: Home/Residence
  • Project Location: New York, NY 10012
    Date: 06/2022
    Problems: Excessive dampness
    Kind of Foundation: Brick or stone foundation
    Request Stage: Ready to Hire
    Desired Completion Date: 1 - 2 weeks
    Location: Business
    Property Owner: Yes
    Comment: Basement space, water coming thru brick. Trying to dry out basement.
  • Project Location: New City, NY, NY 10020
    Date: 06/2022
    Problems: Mold, mildew, and/or fungus, Excessive dampness, Corners shifting and cracking
    Kind of Foundation: Poured concrete basement
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    Location: Home/Residence
    Property Owner: Yes
    Comment: I would like to get an estimate for After the big rainstorm we had several months ago a large amount of water seemed to have seeped in a small section of our house about 3 feet by 3 or 4 feet right outside our downstairs bathroom, We have a high ranch and the bottom level is not a basement it is a living area built on top of what is probably a concrete slab. We had the back of the house caulked from one end to the other with silicone sealer. It seemed to work for awhile and we saw no wetness in the lower bathroom area where we did at first but now after several additional rainstorms it seems to be coming in again in the same area we saw it before, especially in front of the tiled saddle in front of the bathroom. The bathroom downstairs was remodeled about 15 years ago and we never had any leaks. Even now there was no water on the bathroom floor after the rainstorms. The water appears under the carpet outside the bathroom which is carpeted. The carpet becomes saturated with water and so
  • Project Location: New City, NY, NY 10020
    Date: 06/2022
    Problems: Excessive dampness, Basement flooding
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Ready to Hire
    Desired Completion Date: Within 1 week
    Location: Home/Residence
    Property Owner: Yes
    Comment: After the big rainstorm we had several months ago a large amount of water seemed to have seeped in a small section of our house about 3 feet by 3 or 4 feet right outside our downstairs bathroom, We have a high ranch and the bottom level is not a basement it is a living area built on top of what is probably a concrete slab. We had the back of the house caulked from one end to the other with silicone sealer. It seemed to work for awhile and we saw no wetness in the lower bathroom area where we did at first but now after several additional rainstorms it seems to be coming in again in the same area we saw it before, especially in front of the tiled saddle in front of the bathroom. The bathroom downstairs was remodeled about 15 years ago and we never had any leaks. Even now there was no water on the bathroom floor after the rainstorms. The water appears under the carpet outside the bathroom which is carpeted. The carpet becomes saturated with water and soil seems to have mixed with
  • Project Location: New York, NY 10025
    Date: 06/2022
    Problems: Excessive dampness
    Kind of Foundation: Brick or stone foundation
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    Location: Home/Residence
    Property Owner: Yes
    Comment: Water coming in brownstone basement
  • Project Location: New York, NY 10010
    Date: 05/2022
    Problems: Excessive dampness
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Ready to Hire
    Desired Completion Date: Within 1 week
    Location: Home/Residence
    Property Owner: Yes
    Comment: My neighbor downstairs says there is a leak in her ceiling coming from my bathroom. I need the bathroom waterproofed.
  • Project Location: NEW YORK, NY 10031
    Date: 05/2022
    Problems: Basement flooding
    Kind of Foundation: Poured concrete with crawl space
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    Location: Home/Residence
    Property Owner: Yes
  • Project Location: New York, NY 10029
    Date: 04/2022
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Planning & Budgeting
    Desired Completion Date: 1 - 2 weeks
    Location: Home/Residence
    Property Owner: Yes
  • Project Location: New York, NY 10003
    Date: 04/2022
    Problems: Excessive dampness, White powder or spots on walls, Basement flooding
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Ready to Hire
    Desired Completion Date: 1 - 2 weeks
    Location: Home/Residence
    Property Owner: Yes
    Comment: We are four shareholders of a coop townhouse at 130 East 19th St. and we need the basement floor to be sealed and waterproofed
  • Project Location: New York, NY 10029
    Date: 04/2022
    Problems: Excessive dampness
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Planning & Budgeting
    Desired Completion Date: 1 - 2 weeks
    Location: Home/Residence
    Property Owner: Yes
    Comment: water seeping in during rain storms and into the basement
  • Project Location: New York, NY 10031
    Date: 03/2022
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    Location: Home/Residence
    Property Owner: Yes
    Comment: I would like to get an estimate for Waterproof a Basement or Foundation, I own a 100 yr limestone 4 stories plus cellar in upper Manhattan. I am getting drainage into my foundation from the yard of a neighbor(perpendicular to my house) on a cross street. Their backyard (with a raised flower bed using my wall as a back wall) is draining water into my foundation/cellar. The back yard was originally cemented but a previous buyer removed this and put grass. These current owners put in large pavers. Apparently they did not install an underground drainage system as is required by NYC Buildings Department. The flower bed is 3 ft high x 6 ft. and is using the side of my house as a back wall. y wall as the back wall. I have a report from a structural engineer who tested the drainage with a hose over the fence and water poured into my furnace room. Water is draining into stone foundation and is causing the deterioration. It has been going on for about 8 years. I need to have my exterior foundati
  • Project Location: New York, NY 10031
    Date: 03/2022
    Problems: Excessive dampness, Basement flooding
    Condition of Foundation: Wall is not exposed
    Kind of Foundation: Brick or stone foundation
    Request Stage: Planning & Budgeting
    Desired Completion Date: More than 2 weeks
    Location: Home/Residence
    Property Owner: Yes
    Comment: I own a 100 yr limestone 4 stories plus cellar in upper Manhattan. I am getting drainage into my foundation from the yard of a neighbor(perpendicular to my house) on a cross street. Their backyard (with a raised flower bed using my wall as a back wall) is draining water into my foundation/cellar. The back yard was originally cemented but a previous buyer removed this and put grass. These current owners put in large pavers. Apparently they did not install an underground drainage system as is required by NYC Buildings Department. The flower bed is 3 ft high x 6 ft. and is using the side of my house as a back wall. y wall as the back wall. I have a report from a structural engineer who tested the drainage with a hose over the fence and water poured into my furnace room. Water is draining into stone foundation and is causing the deterioration. It has been going on for about 8 years. I need to have my exterior foundation waterproofed and I may also have to require (ask) my neighbor to conne
  • Project Location: New York, NY 10013
    Date: 01/2022
    Problems: Excessive dampness
    Condition of Foundation: Wall is exposed
    Request Stage: Planning & Budgeting
    Desired Completion Date: Within 1 week
    Location: Business
  • Project Location: New York, NY 10001
    Date: 01/2022
    Problems: Corners shifting and cracking
    Condition of Foundation: Wall is exposed
    Request Stage: Ready to Hire
    Desired Completion Date: 1 - 2 weeks
    Location: Business
  • Project Location: New York, NY 10014
    Date: 12/2021
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    Location: Home/Residence
    Property Owner: Yes
    Comment: water is leaking through a wall on the basement level of my townhouse when it rains. The wall is part of an extension on the back of the building. It is an old house. The walls are brick. 2/3's of the wall is under ground (which is where the water comes through from the yard). There is no cellar under this wall. I am assuming the foundation must be exposed and waterproofed. Also the yard itself, which is small, may need to be resurfaced. Time frame: now or within the next month. (not an emergency but asap.)
  • Project Location: New York, NY 10014
    Date: 12/2021
    Problems: Excessive dampness
    Condition of Foundation: Wall is not exposed
    Kind of Foundation: Don't Know
    Request Stage: Ready to Hire
    Desired Completion Date: More than 2 weeks
    Location: Home/Residence
    Property Owner: Yes
    Comment: water is leaking through a wall on the basement level of my townhouse when it rains. The wall is part of an extension on the back of the building. It is an old house. The walls are brick. 2/3's of the wall is under ground (which is where the water comes through from the yard). There is no cellar under this wall. I am assuming the foundation must be exposed and waterproofed. Also the yard itself, which is small, may need to be resurfaced. Time frame: now or within the next month. (not an emergency but asap.)
  • Project Location: New York, NY 10001
    Date: 10/2021
    Problems: Mold, mildew, and/or fungus
    Condition of Foundation: Wall is exposed
    Kind of Foundation: Insulated concrete foundation
    Request Stage: Planning & Budgeting
    Desired Completion Date: More than 2 weeks
    Location: Home/Residence
    Property Owner: Yes
    Comment: HELLO
  • Project Location: New York, NY 10026
    Date: 10/2021
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    Location: Home/Residence
    Property Owner: Yes
    Comment: I would like to get an estimate for plaster in the basement
  • Project Location: New York, NY 10014
    Date: 09/2021
    Condition of Foundation: Wall is not exposed
    Kind of Foundation: Brick or stone foundation
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    Location: Home/Residence
    Property Owner: Yes
    Comment: There is a three story brick extension on the back of my house that is about 10' long. The basement level is about half below grade. There is no cellar. Water has recently started penatrating the sub grade portion. I believe it is coming through the patio where the stones are not well cemented. Also there are a few spots on the house walls that needs to be repointed.
  • Project Location: New York, NY 10027
    Date: 09/2021
    Problems: Mold, mildew, and/or fungus, Excessive dampness
    Condition of Foundation: Wall is not exposed
    Kind of Foundation: Poured concrete slab foundation
    Request Stage: Ready to Hire
    Desired Completion Date: Within 1 week
    Location: Home/Residence
    Property Owner: Yes
    Comment: flooding from Ida Storm caused 4 feet of water to come into the basement of my brownstone- unclear if foundation and walls were affected

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