Foundation Repair in San Juan, TX.
Foundation work, done right in San Juan.
Action House Leveling is based in Mercedes, just minutes from San Juan. You get same-day inspections, a crew that knows the local soil profile, and reinforced concrete piers engineered for the ground under your slab.
Services in San Juan
Why San Juan homeowners call us
- Local Mercedes-based crew, minutes from San Juan
- 20+ years working RGV soils
- Lifetime transferable concrete pier warranty
- Free, no-pressure foundation inspection
- Family owned and operated
Where we work in San Juan.
San Juan neighborhoods we serve
- Downtown San Juan / Basilica area
- Nebraska Ave corridor
- Raul Longoria Rd corridor
- I-2 / Bus 83 corridor
- South San Juan toward FM 495
- North San Juan toward Sioux Rd
- Las Milpas-adjacent south side
ZIP codes covered
The soil under San Juan.
San Juan sits on the Hidalgo–Raymondville clay loam transition between Pharr and Alamo, on a Pleistocene delta plain that's been heavily irrigated for over a century.
Soils are predominantly Hidalgo sandy clay loam with Raymondville clay loam pushing in from the south, PI typically 28–45 and 'moderate to high' shrink-swell.
The Basilica-area downtown sits on slightly deeper clay than the surrounding agricultural land.
The North Alamo Water Supply canals and decades of citrus irrigation have raised the baseline moisture content above natural levels, so summer drydown produces sharper perimeter shrinkage than the soil would naturally see.
Concrete piers driven 12–14 feet are the engineered answer for most San Juan slabs.
Common foundation issues we see in San Juan.
Irrigation-driven perimeter settlement
Slabs along Raul Longoria and Nebraska Ave see chronic edge drop where the canal-fed groves stop at the property line.
Old citrus uplift
Slabs poured over former citrus rows lift in the center as buried organic layers rehydrate.
1960s–80s shallow pours
Older San Juan subdivisions used 3.5" slabs with minimal rebar; they crack diagonally from corners.
Pier & beam sill rot
Pre-1970 raised homes near the Basilica have chronic ground moisture issues — sills and blocks fail by year 25.
Questions from San Juan homeowners.
Do you actually service San Juan, TX?
Yes — we're 20 minutes east in Mercedes and work San Juan weekly.
Which San Juan ZIP do you serve?
All of 78589 — downtown, Basilica area, north toward Sioux Rd, south toward FM 495.
Is the inspection free in San Juan?
Yes. Elevation gear, perimeter walk, written report — no cost.
Do you handle pier & beam in San Juan?
Yes. Sill replacement, beam sistering, concrete pad resets — common on pre-1970 homes.