Sticking Doors and Windows in McKinney, TX

Sticking doors and windows McKinney homeowners fight every late summer are often the first sign that the slab has moved, not a sign that the door needs planing. A door is hung square inside its frame, and the frame is nailed to wall studs that stand on the foundation. When one end of the slab drops, the frame racks out of square by a small amount, the door binds at a top corner or drags on the floor, and windows that used to glide start to jam. This page explains how to tell slab movement from humidity, what an inspection checks, and what the fix involves.

If several doors on one side of the house started sticking this season, call (972) 555-0100. A foundation inspection in McKinney through this site is free and comes with a written estimate, and same-week scheduling is available.

Signs the sticking is foundation movement, not humidity

• Doors that swing open or drift shut on their own after you let go, which means the frame is no longer plumb
• A gap along the top of a door that is wider on the latch side than the hinge side
• Doors on one side or one end of the house that stick while the rest of the house is fine
• Windows that jam in the lower sash or need a shove before the lock will turn
• Drywall cracks running diagonally from the top corners of door and window openings
• Sticking that gets worse in August and September and eases after fall rain
• A door that no longer reaches its latch

One swollen exterior door after a wet week is just wood taking on moisture. Several doors on the same side, plus a diagonal crack above a frame, points to the slab.

Sticking doors and windows McKinney homeowners should not ignore

The soil under the house explains the pattern. The USDA Natural Resources Conservation Service describes the Houston Black series, the Texas state soil, as 40 to 60 percent clay with high shrink-swell potential, and it opens cracks 1/2 to 4 inches wide at 12 inches deep during dry periods. Texas A&M AgriLife soil scientist Dr. Jake Mowrer explained on FOX 7 Austin in 2022 that these soils swell when wet and shrink when dry because water slips between microscopic clay layers. The NRCS fact sheet adds that water enters this clay rapidly when it is dry and cracked and very slowly when it is moist, so the ground under a slab edge can drop over a dry summer and heave back after one wet week.

The weather supplies the swings. The National Weather Service puts normal annual rainfall at DFW Airport at 37.01 inches. The summer of 2023 delivered just 1.25 inches from June through August, and the summer of 2011 delivered 3.89 inches. Those are the summers when door frames rack.

A binding door is the cheapest warning you will get. Each dry cycle tends to leave the low corner a little lower, and the next signs are brick cracks and strain on the plumbing under the slab.

What fixing the cause involves in McKinney

On day one a crew lead checks each sticking door with a level, then takes floor elevations across the whole slab with a zip level, a tool that measures how far each part of the floor sits above or below a reference point. That map shows which side is low. The lead also checks gutters, downspouts, soil slope, nearby trees and sprinkler coverage.

There are three possible outcomes. First, the slab is within normal tolerance and the doors simply need adjustment, meaning hinge shims, a moved strike plate or a light planing. The written estimate says so, and no foundation work is recommended. Second, the low side is a moisture problem. The fix is foundation watering with soaker hoses, gutter extensions, a French drain or a root barrier, so the clay stays at a steady moisture level. Third, the low side has dropped enough that an engineer recommends piers, which are steel or pressed concrete posts driven under the slab edge to carry its weight down to stable soil. The slab is then lifted on those piers with hydraulic jacks, and the doors are readjusted afterward because the frames move back.

The City of McKinney Building Inspections office requires a permit for any foundation leveling or pier work, with an engineer’s letter and drawings in the application, and it closes the permit only after the engineer’s final report is uploaded. Shimming a hinge or planing a door needs no permit.

What a foundation inspection costs in McKinney

The on-site inspection and written estimate through this site are free. An independent engineer’s report, which McKinney requires before any pier work, is a separate cost. This Old House’s 2026 guide puts a structural engineer’s foundation inspection at $300 to $1,000 with $600 typical, HomeAdvisor’s 2026 guide puts it at $340 to $780, and Fixr’s 2026 guide runs up to $2,000 for extended investigations.

If piers are recommended, the estimate lists the engineer’s report as its own line so you can see it apart from the pier count.

Related services

Start with a foundation inspection if you want the level survey before anything else. When the readings show a low side, house leveling covers how a slab or pier and beam home is brought back toward level, and slab foundation repair covers the pier work on a slab home. If the slab is within tolerance, foundation watering and foundation drainage keep the clay from swinging so far next summer.

Sticking doors and windows McKinney homes develop in late summer are the slab asking for a look, and the look is free. A level survey tells you whether you need hinge shims, a soaker hose or piers, and the answer comes in writing with a warranty on any work done. Crews are insured and same-week inspections are available. Call (972) 555-0100 to book yours.