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Find Concrete foundation repairers in Northport

Avatar for HM Construction Group, Inc. (Long Island Handyman Group)
HM Construction Group, Inc. (Long Island Handyman Group)
5.0(
21
)

Serving Northport, NY and surrounding areas

Angi Approved

In business since 2017

Free estimates

Emergency services offered

"Eddie was great to work with! We had a limited time frame to adhere to town inspections and Eddie and his team knew exactly what we needed and quickly got the job done. The results were great and even the inspector acknowledged the impressive repair. They were able to put a knocked out garage wall back on the foundation and repair the interior dry wall. I would recommend this company for any professional contract work due to their reasonable price, ease to work with and quality of work."
before demo
kitchen demolition
demolition complete
kitchen tile job in progress
kitchen tile

+159

Response time7 hrs
Recommended by90%of homeowners
Avatar for Long Hill Masonry Corp
Long Hill Masonry Corp
4.9(
25
)

Serving Northport, NY and surrounding areas

Angi Approved

In business since 1981

Free estimates

Warranties offered

"Joe Cam down to do an estimate and he was very knowledgeable. The Quote was Fair and I had hired them to do the job. They came on time and the job came out great. I would recommend Long Hill to everyone I know"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+180

Response time4 days
4 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Zavza Seal, LLC
Zavza Seal, LLC
4.9(
43
)

Serving Northport, NY and surrounding areas

Angi Approved

In business since 2021

Free estimates

Credit card accepted

"I hired Zavza Seal to waterproof my basement and they did an exceptional job! The team was professional, thorough and went the extra mile to ensure everything was done perfectly. I'm happy with their work and highly recommend them to anyone!"
Flooring
Flooring
Flooring
Flooring
Response time7 hrs
Response rate98%
4 neighbors recently requested a quote
Avatar for ProSeal Waterproofing
ProSeal Waterproofing
5.0(
8
)

Serving Northport, NY and surrounding areas

Angi Approved

In business since 2024

Free estimates

Credit card accepted

"Alex was amazing!! We had a crack in our foundation that another company attempted to repair numerous times. We were fortunate enough to hear about ProSeal and I am happy to report not only did Alex repair the crack to near perfection but the work was done timely, neatly and his customer service skills are top notch. I would HIGHLY recommend ProSeal for all of your foundation needs."
Response time7 hrs
6 neighbors recently requested a quote
Avatar for Long Hill Masonry Corp.
Long Hill Masonry Corp.
4.9(
12
)

Serving Northport, NY and surrounding areas

Angi Approved

In business since 2001

Free estimates

Credit card accepted

"I was so happy the job was done quicker than I expected. It seems that lately there's a long, long wait for anything to get accomplished. The foundation is perfect for the gazebo I ordered. Yes, I will remember this company and if I need any other outside work I will definitelly hire them again. Very satisfied."
Walkway with border
patio with bench
patio with screened fire pit
outdoor kitchen
Fireplace in basement

+8

Response time5 hrs
Response rate88%
Recommended by100%of homeowners
Avatar for Foundation Crack Repair, LLC
Foundation Crack Repair, LLC
4.2(
11
)

Serving Northport, NY and surrounding areas

Angi Approved

In business since 2019

Free estimates

Warranties offered

"I highly recommend this company! We were facing a major issue, but Tyler came out and immediately identified exactly what was wrong. His expertise saved us thousands of dollars in unnecessary repairs that others might have missed. He was professional, efficient, and honest. We will definitely be using them again for any future needs!"
Foundation Repair Ex.
Basement Repair Project
Response time2 days
59 neighbors recently requested a quote
Recommended by18%of homeowners
Grady's Painting Plastering/Construction
4.6(
54
)

Serving Northport, NY and surrounding areas

Angi Approved

In business since 1969

Free estimates

Emergency services offered

"We had cracks in the dyed mortar of the bricks above our garage. Grady took the time to match the color, even with the color having aged 10 years, and you would not even be able to tell that there was new mortar. If your project is anything like ours, you will not be disappointed."
Response time11 hrs
Response rate100%
1 neighbors recently requested a quote
Masonry Repair and Restoration Contractor
New to Angi

Serving Northport, NY and surrounding areas

Angi Approved

In business since 2025

Free estimates

Credit card accepted

With over 20 years experience, we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call us today.\n

1 neighbors recently requested a quote
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FAQs for concrete foundation repair projects in Northport, NY

Visible cracks, water leaks, uneven floors, or walls that won’t line up are classic red flags. You might also notice sticking windows, doors that no longer latch, or exterior cracks crawling up brick or siding. Even a damp, musty basement can hint at trouble. If you spot any of these, call a foundation pro right away. Early inspections cost far less than waiting until the damage threatens your home’s stability.

Yes, foundation problems impact your home’s value. Buyers want proof that the foundation is stable, and a recent, professional repair can actually boost confidence in your home. You’ll need to disclose the work, but documentation showing the structure was properly stabilized, especially with piers in regions known for shifting soil, often reads as a plus, not a problem. Skipping repairs, on the other hand, can cut your sale price and shrink the pool of interested buyers. Taking care of the issue protects both value and peace of mind.

Foundations are engineered for exceptional longevity when constructed correctly and maintained diligently. Concrete slab foundations remain structurally sound for 200 years, while other foundation types deliver integrity between 75 and 100 years. Regular professional inspections and timely maintenance further secure a foundation’s lifespan and ensure your home stays safe over the long term.

The Northport, NY homeowners’ guide to concrete foundation repairs

From average costs to expert advice, get all the answers you need to get your job done.