Foundation repair in Windcrest, the city that lights up.

Windcrest incorporated in 1959, so its housing has had sixty-plus years on the northeast-side clay, and its heavy tree canopy has had just as long to send roots under the foundations. Those two facts, aging slabs and thirsty mature trees, drive most of what we measure here. A lot of what looks structural is really the trees and the seasons, so we read the floor first.

THE WINDING INTERIOR STREETS TO THE BLOCKS NEAR THE RACKSPACE CASTLE AND ROLLING OAKS, THE LIVE OAK AND CONVERSE LINES CLOSE BY, A SHORT RUN FROM OUR VANCE JACKSON SHOP.

The northeast-side clay

Foundation repair in Windcrest works with 1960s slabs under a heavy canopy.

Windcrest is a small planned city inside Loop 410 on San Antonio's northeast side, incorporated in 1959 and laid out with curving streets and generous tree planting that has grown into the dense canopy the city is known for. The ground underneath is northeast-side clay, expansive and seasonal, without the shallow limestone that steadies the far north side. That clay is the base of nearly every foundation call here, and because Windcrest was designed around its trees, the trees are usually what set it moving.

Sixty years of oak canopy means sixty years of roots reaching under slabs, and in a drought those roots dry the clay on the canopy side of the house while the shaded side holds steady. Drought settles the exposed edge, a hard fall storm re-wets and heaves it back, and the drywall records the swing. The sequence in Windcrest is a root barrier and a steady watering program first, drainage correction for the roof and surface water second, and structural support only when repeat measurement proves the movement is real and ongoing. Most of the cracked drywall we see is that seasonal cycle doing its work.

A single-era community

A 1960s ranch community that has proven itself on the clay.

Unlike the boom suburbs, Windcrest is not a story of many eras. It is largely one, the 1960s and 1970s, ranch homes on slab foundations built as a cohesive community, with the Rackspace headquarters now occupying the old Windsor Park Mall and the Light Up tradition running every December since the city's early years. That consistency makes the local pattern readable. Sixty-year-old slabs that have carried their homes for decades, big established trees, and original grading that landscaping has gently rearranged, and most Windcrest calls resolve into one of those three stories.

When a home does need support, the method follows the readings. On the deep-clay lots we usually reach stable ground with steel piers driven to refusal, or a concrete or hybrid pier where load and access favor it, then bring the corner back with a measured house leveling. The handful of older pier-and-beam homes are a different and usually cheaper trade, mostly pier and beam repair and crawlspace moisture. More Windcrest calls than people expect end at the gutters. The corner that cracked is usually the corner the roof has been watering, and the readings say so before anyone talks about piers.

Nearby

Also serving the communities around Windcrest.