Top-rated foundation repair specialists.

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Q: How do you tell the difference between settling and foundation problems?

• <div><p>Most of the time, normal foundation settling will present as thin cracks in the foundation and minor creaks in the floorboards. In contrast, you can identify foundation issues by wide or uneven foundation cracks, horizontal or step-shaped gaps on the foundation wall, or cracks that go around corners of your foundation. Foundation problems can also cause changes in your living area, like increased humidity, uneven or sloping floors, nail pops in drywall, countertops pulling away from the wall, and windows and doors getting stuck. When in doubt, call in a professional to identify the underlying cause.</p></div>

Q: What chemicals are used to bond old concrete to new concrete?

• <div><p>You'll find a slurry of natural and synthetic polymers, rubbers, epoxies, and resins used to bond old concrete to new concrete. The right bonding agent depends on the method of concrete pouring you choose and whether you're adhering concrete over concrete or concrete over sand and gravel. Some concrete resurfacing mixtures contain bonding chemicals as well. </p></div>

Q: What are the most cost-effective foundation repairs?

• <div><p>The most cost-effective foundation repair is using <b>masonry patches and sealants</b> to seal foundation cracks and offer some support to prevent further damage. These methods are used to fix minor foundation cracks quickly. However, they&rsquo;re not suitable as a long-term solution, and they only offer minimal stability. On average, masonry patches and sealants cost <b>$500</b>, but a sealant like an epoxy crack injection can total <b>over $2,000</b>. If you&rsquo;re handy and only looking for a temporary solution until you contact a local foundation repair contractor for a more permanent one, you can save hundreds by DIYing this repair.</p></div>

Q: Does insurance cover foundation cracks?

• <div><p>Homeowner&rsquo;s insurance doesn&rsquo;t cover foundation cracks unless they&rsquo;re a result of a natural disaster like an earthquake, vandalism, or a vehicle accident that causes sudden damage. Taking care of your foundation to prevent problems with expansive soil and drainage is considered ongoing maintenance, and your insurance company expects the homeowner to carry out that preventative maintenance.</p></div>

Q: How much does it cost to repair a cinder block foundation?

• <div><p>The actual <a href="https://www.angi.com/articles/how-much-does-foundation-repair-cost.htm">foundation repair costs</a> will depend on the extent of the damage, how many blocks you need, labor costs, and material costs. As an estimate, the average repair costs for a cinder block foundation fall between <b>$350 and $25,000</b>. Because the range is so large, it&rsquo;s important to call a professional foundation repair company and have them assess the damage and estimate the repair costs.</p></div>

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Verified Reviews for Foundation Repair pros in Diana, NY

*The Angi rating for Foundation Repair companies in Diana, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Repair needs.

*The HomeAdvisor rating for Foundation Repair companies in Diana, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Repair needs.

Last update on November 11, 2025

Reviewed in June 2025
Capital Chimneys and Masonry Repairs contacted me the same day i requested a quote, and were able to visit to provide a quote within day or so. They then visited, and completed the chinking on an outside wall, repaired a wall in the basement, and were able to install a gutter to ensure the water...
Capital Chimneys and Masonry Repairs
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Reviewed in April 2024
I highly recommend Tyler. He responded quickly, did the chimney repair work quickly, and did a great job. He saved me a lot of money compared to another estimate. He is also pleasant, professional and easy to work with. He explained everything thoroughly. It was an excellent experience.
M.M.T Fireplace & Masonry Repair
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Reviewed in January 2024
Bob was prompt and professional. We had him replace the crown on our chimney, replace several bricks, replace some flashing and repair some loose slate on our front step. I would highly recommend him for any masonary job.
RMD Restoration Services
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Reviewed in May 2023
Dan did an amazing job with our project! He built a solid, level foundation and constructed a large shed with loft area. He was skilled, efficient, dependable, and knowledgeable. And also just an all around cool, friendly person to work with. We would not hesitate to call him for additional...
Shapiro Construction
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Reviewed in September 2013
Very clever at finding problems, Uses common sense. very reasonable rate, much less than Albany repair shops.
Richie's Auto Repair
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Reviewed in July 2013
Called last winter with no heat and they were here within hours. Very skilled and had the furnace cleaned and repaired very quickly. Ran well for the rest of the winter. Called recently to get an outdoor faucet repaired and had to wait a few weeks. It was not an emergency, so that was...
East Hill Plumbing & Heating
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Reviewed in January 2010
my daughter hit a bear on the highway at night. the collision sprung the front end. we delivered the car to the shop ourselves, since it was drivable. he gave me an estimate by phone and commenced work immediately. although the car is 10 years old, he was able to get 2nd hand parts as good...
D.W. Body Shop
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Find Foundation repair specialists in Diana

Grady's Painting Plastering/Construction

4.56(

)

•Approved Pro

Grady's Painting Plastering/Construction

4.56(

)

•Approved Pro

Customers say: Quality work

56 years of experience

Free onsite estimate

WE SPECIALIZE IN THE HISTORICAL REPAIR AND RESTORATIONS FOR INTERIOR AND EXTERIOR. WE WORK THE WHOLE STATE OF NEW JERSEY, MARYLAND, WASHINGTON DC, CONNECTICUT, VIRGINA AND MASSACHUSETTS. WE ARE LICENSED AND INSURED IN ALL STATES. WE ARE WILLING TO TRAVEL, ANY JOB SMALL OR LARGE. CONSULTATION AND TRANSPORTATION FEES WILL APPLY. WE DO WINDOW REPAIR. PLASTER REPAIRS. AND ALL MASONRY REPAIRS

"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."

Bradley S on August 2024

"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."

Bradley S on August 2024

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Foundation, Basement or Crawlspace Waterproofing / Encapsulation

Concrete Foundation Repair

Concrete Flatwork Repair & Resurface

Verified Reviews for Foundation Repair pros in Diana, NY

Find Foundation repair specialists in Diana

Grady's Painting Plastering/Construction

Grady's Painting Plastering/Construction

Exceptional property services contracting and excavation

Exceptional property services contracting and excavation

Piedmont Equipment Inc

Piedmont Equipment Inc

BuildBlockCNY

BuildBlockCNY

Symphony of Construction

Symphony of Construction

Mikalunas Builders LLC

Mikalunas Builders LLC

KD Flooring

KD Flooring

Black lake builders

Black lake builders

McGarvey Construction

McGarvey Construction

Sarna Construction

Sarna Construction

The Diana, NY homeowners’ guide to foundation repairs

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How Much Does Foundation Repair Cost in 2025?

How Much Does Crawl Space Cleaning Cost? [2025 Data]

10 Foundation Repair Methods for a Strong Base

Who Inspects Home Foundations?

How Thick Should a Foundation Be?

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