What is the difference between slab and slab-on-grade?

• <div><p>There’s no difference between a “slab foundation” and a “slab-on-grade foundation,” and contractors and homeowners use the terms synonymously. “Slab foundation” is just a shortened version of “slab-on-grade.” In both cases, the homebuilder will pour the concrete foundation into a mold they build directly on the ground. As such, these foundations require no expensive excavation.</p></div>

Will my freshly poured concrete wall crack?

• <div><p>Newly poured concrete is prone to small, fine cracks within the first 30 days of installation, but <a href="https://www.angi.com/articles/does-freshly-poured-concrete-normally-crack.htm">most noticeable cracks will disappear</a> within that time frame. If a crack is greater than 1 inch, consider contacting the person who installed your wall to inspect the job. </p></div>

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Q: How long do concrete steps last?

• <div><p>With proper maintenance, exterior concrete steps can last 25 to 50 years or more. In most cases, your steps will require some minor repairs over that time frame, including sealing surface cracks and resurfacing to keep them in good condition. Interior concrete steps should last even longer, normally between 50 and 75 years, as they don&rsquo;t have to stand up to the elements.</p></div>

Q: What is the difference between slab and slab-on-grade?

• <div><p>There&rsquo;s no difference between a &ldquo;slab foundation&rdquo; and a &ldquo;slab-on-grade foundation,&rdquo; and contractors and homeowners use the terms synonymously. &ldquo;Slab foundation&rdquo; is just a shortened version of &ldquo;slab-on-grade.&rdquo; In both cases, the homebuilder will pour the concrete foundation into a mold they build directly on the ground. As such, these foundations require no expensive excavation.</p></div>

Q: What size gravel should you put under a concrete slab?

• <div><p>You should put gravel that is 3/4 to 1 inch under a concrete slab. However, depending on the project, local building codes may dictate the proper gravel size and shape. Some concrete slabs that do not hold significant weight may have a subbase of sand. Also, keep in mind that the subbase you choose will affect the <a href="https://www.angi.com/articles/how-much-does-concrete-patio-cost-square-foot.htm">cost of your concrete patio</a>, walkway, or driveway. </p></div>

Q: What services do cement companies offer?

• <div><p>Cement companies offer a wide variety of services, including delivering and <a href="https://www.angi.com/articles/how-do-contractors-pour-solid-concrete-foundations.htm">pouring concrete for home foundations</a>, walkways, patios, driveways, concrete steps, pools, pool decks, and more, plus concrete repair and patching. Most companies also have the ability to demolish and haul away old concrete landscaping features. It&rsquo;s a good idea to reach out to a few different companies before hiring to make sure you choose one that can tackle the entirety of the project you have from start to finish. This method will typically save you some money over hiring multiple contractors. </p></div>

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Verified Reviews for Concrete Leveling pros in Los Alamos, CA

*The Angi rating for Concrete Leveling companies in Los Alamos, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Leveling needs.

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Last update on October 28, 2025

Reviewed in May 2024
High Standards Concrete lives up to their name in quality of service, extra effort and efficiency. Joe Lawing the owner was on site making sure everything was accurate and inspections were passed smoothly with no complications. He makes being impressive and doing well for the customer an...
HIGH STANDARDS CONCRETE INC.
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Reviewed in April 2017
I hired Picasso Construction because, out of the several companies I interviewed, they were the only ones who could do the ENTIRE job: Flat and vertical concrete sawcut, concrete and block demo and removal, site grading and dirt removal, as well as the new concrete work - form, pour and finish. ...
Picasso & Son Masonry, Inc.
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Reviewed in October 2016
This company goes above all. You're in great hands with David and all the guys working there. Most polite, clean, and very professional. Never seen such quality. Its amazing, the work they do. I can say this much: you will never get a better company. They take roofing to another level....
Dove Roofing and Solar
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Reviewed in August 2016
I really was impressed with Brett Davis, the owner when I first called. He provided good solid information about the process and product. Not pushy or anything. Responded to my several inquiry calls without any pressure. After research felt trust in Nufinsihpro. My "antiquated" looking...
Nufinishpro
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Reviewed in February 2013
I chose MOE because of their long-standing reputation in the community, and because Jeff Hachey, who came to do the original estimate, was very knowledgeable and professional in his assessment of my plumbing needs. I had an unusual situation, where laundry facilities were being installed on the...
H.L. Moe Co., Inc
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Just Stamping Concrete

Just Stamping Concrete

Customers say: Quick response

Recommended by 100% of Angi customers

83 local quotes requested

With over three decades of experience Just Stamping Concrete, Inc are second generation contractors that will work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"The landscape designer was creative and knowledgeable. They took the time to understand my needs and preferences, and the end result was a beautiful and functional outdoor space."

Eliana F on April 2023

"The landscape designer was creative and knowledgeable. They took the time to understand my needs and preferences, and the end result was a beautiful and functional outdoor space."

Eliana F on April 2023

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Concrete Driveways & Floors Installation

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Just Stamping Concrete

Just Stamping Concrete

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Gyp-Fill Enterprise Inc

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Construction Unlimited

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Built Strong Construction

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JL Concrete Cutting

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Boydston Construction, Inc.

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R&H Construction

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MOJAM INC.

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Romanazzi General Engineering

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