Foundation Repair in McKinney, TX

Foundation repair McKinney homeowners can actually understand starts with a plain explanation of what is moving under the house and why. This site connects McKinney property owners with a licensed, insured foundation repair contractor who inspects the home, measures it, and writes an itemized estimate you keep. Most homes here sit on a concrete slab poured directly on Blackland Prairie clay, a soil the USDA NRCS describes as 40 to 60 percent clay that swells when wet and shrinks when dry. That cycle, plus a wet spring and a dry summer almost every year, is why cracked brick, sticking doors and sloping floors are so common across Collin County. Call (972) 555-0100 to schedule a free on-site estimate, or send the form on this page and a crew lead will call you back.

Foundation repair McKinney homeowners ask for most

Every job starts the same way: a level survey of the floors, a walk around the exterior, a look at the drainage, and a written estimate that lists each pier, each shim, and each drain by count and price. From there the work is matched to the house. A slab home in Stonebridge Ranch and a 1920s pier and beam bungalow near the downtown square need different repairs, and both are handled. The eight services below are the ones McKinney homeowners ask for most.

Why McKinney properties move

The short answer is the soil and the weather, and the two work together.

The USDA NRCS calls the Houston Black series the Texas state soil. It covers about 1.5 million acres of the Blackland Prairie from north of Dallas down to San Antonio, and the NRCS describes it as the classic Vertisol, a clay that shrinks and swells markedly as its moisture changes. The official series description says Houston Black soils are 40 to 60 percent clay and open cracks 1/2 to 4 inches wide at 12 inches deep during dry periods. The Heiden series, the other big Blackland clay in Collin County, behaves the same way. The NRCS also notes that in metropolitan areas the very high shrink-swell potential of these soils is a common limitation for building sites. That is a federal soil scientist’s way of saying the ground under McKinney is hard on foundations.

The weather drives the cycle. The National Weather Service office in Fort Worth puts normal annual rainfall at DFW Airport at 37.01 inches, with May the wettest month at 4.78 inches and July the driest at 2.08 inches. So the clay soaks up water in spring and swells, then bakes in July and August and shrinks. In drought years the swing is worse. The NWS recorded only 25.88 inches of rain in 2011 and 29.31 inches in 2023, and the summer of 2023 brought just 1.25 inches between June and August. The NRCS points out that water enters Houston Black soil fast when it is dry and cracked and very slowly when it is moist, which means a dry summer followed by a wet fall moves the ground quickly and unevenly.

The houses are the third factor. The 2024 American Community Survey puts the median year built for a McKinney home at 2007, so roughly half the city’s housing is less than 20 years old and sits on stiffened slab-on-ground foundations, the design the Texas Section of the American Society of Civil Engineers says makes up the majority of Texas foundations. Building at Stonebridge Ranch, the master-planned community on the former Flying M Ranch, began in the mid-1980s, and those slabs have been through more than three decades of wet and dry seasons. Older homes around the historic downtown date to the late 1800s and early 1900s and are more likely to sit on pier and beam foundations, which settle differently and are repaired differently.

How it works

There is no charge for the inspection, and nobody quotes a price before the house has been measured. Here is the order of events from the first call to the last signature.

What foundation repair costs in McKinney

National guides agree closely on the typical range. Fixr’s 2026 guide puts most foundation repairs between $2,200 and $8,200 with a national average near $5,200, and HomeAdvisor’s 2026 guide lands at $2,225 to $8,133 with an average of $5,174. Modernize notes that minimal crack repairs can start around $300 while major structural work can pass $35,000. The spread comes down to how many piers the engineer calls for, whether they go under the exterior beam or under the interior of the slab, and how much landscaping or concrete has to come up and go back.

Every estimate here is free, written and itemized, so you can compare it line by line against any other bid.

Signs a McKinney home needs a foundation inspection

Most homeowners notice the house before they notice the ground. These are the signs worth a free inspection, especially when two or more show up together:

• Doors that swing open or stick shut in summer and behave in winter. See sticking doors and windows.
• Stair-step cracks in the brick veneer, usually near a corner or over a garage opening. See cracks in brick.
• Cracks in drywall that run diagonally from the top corner of a door or window frame.
• Floors that slope toward one side of the house, or a marble that rolls on its own. See sagging floors.
• Gaps opening between the baseboard and the floor, or between a countertop and the wall.
• A slab crack that keeps widening, or a plumbing leak under the slab that was never explained.
• Separation at the roofline or the frieze board where the brick meets the eave.

A foundation inspection takes about an hour. The crew lead shoots elevations across the floor with a level, notes every reading on a sketch of the house, and tells you whether what you are seeing is cosmetic, worth watching, or worth fixing now.

Slab and pier and beam homes

McKinney has both, and the repair depends on which one you own. A slab home gets slab foundation repair: piers are driven or drilled under the beam that runs around the edge of the slab, and sometimes under the interior, until they reach soil or rock that does not move. The slab is then lifted back toward level with hydraulic jacks and locked to the piers. Pressed concrete piers, steel push piers and helical piers are the three common types, and the estimate explains which one fits your house and why.

A pier and beam home sits a few feet above the ground on concrete or masonry piers with wood beams and joists between them. Pier and beam foundation repair means shimming the beams back to level, adding piers where the span sags, sistering or replacing rotted joists, and dealing with the moisture under the house that caused the rot in the first place. House leveling applies to both types and is measured in readings before and after, not by eye.

Two other services solve problems that piers alone do not. Concrete leveling lifts sunken patios, driveways and garage slabs that have settled but are not structural. Foundation drainage addresses the reason many McKinney slabs move in the first place: water pooling on one side of the house, soaking that side of the clay, and lifting it while the dry side settles.

Permits and engineering in McKinney

McKinney takes foundation work seriously, and the rules protect you. The City of McKinney Building Inspections department requires a permit for any foundation leveling, pier or footing replacement, shimming or floor system replacement, on slab and pier and beam homes alike. The application has to include a letter and drawings from a Texas-licensed engineer showing the affected areas and whether the plumbing will need a test, and the permit is closed only after the final engineer’s report is uploaded to the city portal. That report is your proof the repair was done to the engineer’s plan.

The engineer matters for another reason. Texas does not license foundation repair contractors; the Texas Department of Licensing and Regulation lists no such program. The engineer’s letter and the written warranty are the two documents that hold a contractor to a standard. The Texas Section of ASCE publishes the Guidelines for the Evaluation and Repair of Residential Foundations, now in Version 3 effective April 1, 2022, and a good estimate follows them.

Service areas across Collin County

Crews are based in McKinney and cover the neighboring cities within about a 25 minute drive, from Allen and Fairview next door to Celina and Anna up the highway. Each area page explains what is different about that city’s housing, soil and permit office.

If you are searching for foundation repair McKinney can trust, start with a free inspection. Call (972) 555-0100, Monday through Saturday from 7am to 7pm, or send the form and a crew lead will call you back to set a time this week.