Foundation repair in Orlando, FL

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Orlando foundations sit on sandy soil over a limestone karst layer that dissolves slowly over thousands of years, which is why Central Florida is one of the most sinkhole-prone regions in the country and why nearly every home here is built slab-on-grade rather than over a basement or crawlspace. Foundation trouble in Orlando usually shows up as interior slab cracks, doors and windows that stick, tile cracking in a diagonal line, or an exterior stem wall crack, and it can stem from ordinary soil consolidation and a high water table or, less often, from raveling or cover-collapse sinkhole activity that requires a very different diagnosis and repair. Older neighborhoods like College Park, Winter Park and Conway have homes from the 1950s through 1980s on sand-and-clay fill that has had decades to settle, while newer master-planned communities in Lake Nona, Baldwin Park, Dr. Phillips, Avalon Park and Oviedo see settlement tied to fill compaction, irrigation, and drainage grading on lots reshaped for construction. Apopka and areas near Lake County add sinkhole-prone terrain into the mix. This guide covers what foundation repair, concrete leveling and piering actually cost around Orlando, how permitting works with the City of Orlando and Orange County, what Florida's contractor licensing system actually verifies, and how to vet a repair company before you sign a contract.

The Henry Standard

Every foundation contractor in our network agrees to three things.

Show up

Call back. Keep appointments. And if something changes, communicate it.

Quote honestly

Clear scope, pier counts, and pricing in writing—so you know what you're agreeing to.

Finish the work

See the repair through, including the drainage and cleanup that was quoted.

Nothing revolutionary. Just the way we believe doing business should still be done.

How Henry matches you with Orlando foundation contractors

  1. Step 1

    Tell Henry what you're seeing

    Your ZIP, the cracks or settling you've noticed, and how soon you need it looked at. Two minutes, four questions.

  2. Step 2

    Pros are already vetted

    Only three Henry Standard foundation contractors in your Orlando-area ZIP get your request — pros we've checked for responsiveness, references and written estimates.

  3. Step 3

    Compare up to three quotes

    You hear from three foundation contractors at most — never a list of twenty — and every estimate comes in writing. You pick, or pick nobody.

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What foundation repair costs in Orlando

Foundation inspection with written report$0 - $650
Florida-licensed structural engineer evaluation letter$450 - $950
Sinkhole activity testing (GPR/soil boring study)$2,500 - $8,000
Steel push piers (per pier, underpinning)$1,200 - $2,200
Helical piers (per pier, additions/porches)$1,300 - $2,300
Compaction grouting (per injection point)$1,000 - $2,500
Chemical/polyurethane grouting for void fill$3,000 - $12,000
Slab crack injection (interior)$450 - $950 per crack
Concrete leveling/mudjacking, driveway or patio$500 - $2,600
French drain / exterior drainage correction$2,800 - $9,500
Full slab underpinning project (multiple piers)$7,000 - $22,000
Sinkhole remediation (grouting + piers, full scope)$15,000 - $75,000+

Ranges are general estimates gathered from homeowner-reported quotes in the Orlando area, not an offer or a quote for your project.

Best time for foundation work in Orlando

Orlando's foundation season tracks the rainy season more than temperature. From roughly June through September, Central Florida's daily thunderstorms and hurricane-season downpours saturate sandy soil, raise the water table, and are the single biggest trigger for new slab cracks, ravelling sinkhole activity, and drainage-related settlement homeowners notice each year. Contractors doing pier work and grouting stay busy through this period because saturated soil is exactly when voids and raveling become visible at the surface. The dry season, roughly November through April, is when soil is most stable and is the best window to schedule non-emergency underpinning, compaction grouting, or slab leveling, since crews aren't fighting standing water in excavation trenches and pier-driving conditions are more predictable. If a hurricane or tropical storm dumps several inches of rain in a short window, it's common to see a spike in service calls for new interior cracks or a suddenly sticking door, and reputable companies will tell you honestly whether that's ordinary post-storm settlement or something that needs sinkhole-specific testing.

Permits and HOA rules

Inside Orlando city limits, structural foundation repair such as underpinning, push piers, helical piers, or slab stabilization generally requires a building permit through the City of Orlando's Permitting Services Division, which handles residential and commercial permit applications and plan review; general permitting questions go through their call center at 407-246-2271, and digital plan submittals are handled through the city's online permitting and ePlan review process at orlando.gov. For structural repairs, the city typically wants a scope of work tied to a Florida-licensed engineer's evaluation, especially for pier layouts or any repair addressing settlement, and minor cosmetic crack sealing that doesn't affect load-bearing elements usually doesn't trigger the same review. Outside Orlando's city limits, unincorporated Orange County uses its own process through the Orange County Division of Building Safety, and permits, plan submittals, inspection scheduling and contractor license lookups for that jurisdiction run through the county's OC Fast Track online portal at fasttrack.ocfl.net. If your home is in Winter Park, Maitland, Windermere, Ocoee or another incorporated suburb, that city runs its own separate permitting department rather than deferring to Orlando or Orange County, so confirm which office actually has jurisdiction over your address before assuming either portal applies. Ask your contractor directly whether the permit fee and any required engineer's letter are included in the quoted price, since leaving that step to the homeowner is a common way quotes end up more expensive than expected.

Licensing and insurance in Florida

Florida regulates contractors through the Department of Business and Professional Regulation (DBPR) and its Construction Industry Licensing Board (CILB) under Chapter 489 of the Florida Statutes, and the distinction that matters most for homeowners is certified versus registered. A certified contractor has passed a state exam and can legally work anywhere in Florida, while a registered contractor has only met local requirements and is limited to working within the specific city or county where they're registered. You can verify either status, along with license type, standing and any disciplinary history, through the DBPR's online license search at myfloridalicense.com. For work tied to structural repair, sinkhole remediation, or pier placement, the plan should be signed and sealed by a Florida-licensed professional engineer, and engineers are licensed separately by the Florida Board of Professional Engineers, whose roster is also searchable online. Sinkhole-related claims add another layer specific to Florida: under Florida Statute 627.706, insurers must offer coverage for catastrophic ground cover collapse as part of a standard homeowners policy, and must offer sinkhole loss coverage (broader than catastrophic collapse alone) as an optional endorsement in the counties where it's required, which is why a homeowner who suspects sinkhole activity should generally file an insurance claim and get a state-recognized testing protocol done before paying out of pocket for remediation, since coverage for confirmed sinkhole loss can offset a large portion of the cost. Confirm any sinkhole-specific claims and testing details directly with your insurer and a licensed engineer rather than taking a contractor's verbal assessment at face value.

How to vet a foundation repair contractor in Orlando

Check the company's license status on the DBPR license search and confirm whether they hold a certified contractor license, which lets them work anywhere in Florida, or a registered license limited to a specific city or county. If your project involves settlement severe enough to raise sinkhole concerns, ask whether their proposed repair plan is signed and sealed by a Florida-licensed professional engineer, not just an in-house inspector or sales estimator.

Ask directly whether they believe the cause is ordinary sandy-soil settlement or possible sinkhole activity, and how they're distinguishing between the two. These require different remediation approaches, compaction grouting and piers for settlement versus a formal subsurface investigation for suspected sinkhole activity, and a contractor who proposes an expensive fix without addressing which one you actually have is a red flag.

For homes near Lake County or in known sinkhole-prone pockets around Apopka, ask whether the company has handled state-recognized sinkhole testing protocols before, since not every foundation repair company is equipped for that scope.

What a fair Orlando quote includes

A complete quote should itemize the number of piers or grout injection points, their layout on a diagram, the City of Orlando or Orange County permit fee, any required engineer's evaluation letter, and written warranty terms including whether they transfer to a new owner if you sell. Central Florida's high water table also means drainage correction is frequently part of a proper fix, so ask whether French drains or grading work are included or quoted separately.

Get at least two quotes for anything beyond a single slab crack injection, especially if sinkhole activity is suspected, since testing and remediation costs can range enormously and a second engineer's opinion is worth the time.

Questions to ask before you hire

Who is pulling the permit, and is it through the City of Orlando's Permitting Services Division or Orange County's OC Fast Track system? Can I see the permit number once it's filed, and is the structural engineer's letter included in the price?

If you suspect sinkhole activity, have you filed a claim with my homeowners insurer under Florida Statute 627.706 before starting paid remediation, and can the company work with a state-recognized testing protocol rather than just a visual inspection? How long has your crew worked specifically in Central Florida's sandy soil and karst conditions?

Red flags in the Orlando market

Watch for any contractor who diagnoses sinkhole activity from a driveway walk-through without recommending professional geotechnical testing, since that determination has real insurance and safety implications. Be cautious of same-day, high-pressure sales pitches, financing offers pushed before any engineering explanation, and companies that can't produce a current DBPR license number or explain whether they're certified statewide or only locally registered.

Also be wary of a quote that skips drainage correction entirely on a home with visible standing water or a high water table nearby, since re-settlement after piering is common when the underlying water issue isn't addressed.

Areas Henry covers

College Park · Winter Park · Baldwin Park · Conway · Dr. Phillips · Lake Nona · Apopka · Oviedo · Avalon Park · Windermere

Common questions

How much does foundation repair cost in Orlando?

Most slab pier and stabilization projects run $7,000 to $22,000 depending on the number of piers and whether drainage work is included. A single slab crack injection typically runs $450 to $950, and confirmed sinkhole remediation with grouting and piers can run $15,000 to $75,000 or more.

Do I need a permit for foundation repair in Orlando?

Yes, in most cases. Structural work like piers, underpinning or compaction grouting generally requires a permit through the City of Orlando's Permitting Services Division, or through Orange County's Division of Building Safety and OC Fast Track portal if your home is in unincorporated Orange County. Suburbs like Winter Park and Maitland run their own separate permitting departments.

Is foundation repair licensed in Florida?

Yes. Contractors are licensed through the DBPR's Construction Industry Licensing Board under Florida Statute Chapter 489. Certified contractors can work statewide after passing a state exam, while registered contractors are limited to the specific city or county where they registered. You can verify any contractor's status through the DBPR license search.

How do I know if my Orlando home has sinkhole damage or just normal settlement?

Ordinary settlement from sandy soil and a high water table tends to be gradual and localized, while sinkhole-related cover-collapse or raveling often shows up as sudden, more severe cracking, doors that suddenly won't close, or a visible depression in the yard. Only a professional geotechnical investigation, not a visual inspection, can definitively distinguish the two, and it's the basis insurers require for a sinkhole claim under Florida Statute 627.706.

Does my homeowners insurance cover sinkhole repair in Orlando?

Florida law requires insurers to offer catastrophic ground cover collapse coverage as part of standard homeowners policies and to offer optional sinkhole loss coverage under Florida Statute 627.706. Coverage details, deductibles and testing requirements vary by policy, so confirm your specific coverage with your insurer before paying for remediation out of pocket.

Why is slab-on-grade construction standard in Orlando?

Florida's high water table and warm climate make basements impractical across most of the state, so homes are built with a concrete slab poured directly on graded and compacted soil. This is why Orlando foundation issues typically appear as slab cracking, tile cracking, or door/window misalignment rather than basement wall bowing.

What's the best time of year to schedule foundation repair in Orlando?

The dry season, roughly November through April, offers the most stable soil conditions for piering, compaction grouting or slab leveling. Rainy season from June through September saturates sandy soil and is when most new settlement and sinkhole-related cracking becomes visible.

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