Construction · Pasadena & Los Angeles
Foundations & caissons
engineered to last.
Footings, slabs, grade beams, and drilled caissons built to your soils report and California code.
Overview
Deep expertise where strength matters most.
Every durable structure starts below grade. We build foundations and caisson systems suited to your soil conditions — critical on hillside and expansive-soil sites.
With structural engineering and construction under one roof, your foundation is designed and built as a coordinated system, not a handoff between strangers.
What's Included
Below-grade, built right.
Drilled Caissons
Deep piers that anchor structures on unstable soils.
Footings & Grade Beams
Engineered to distribute loads safely.
Slabs & Stem Walls
Durable foundations for any structure type.
Soils-Driven Design
Built to your geotechnical report and code.
Why ATP
One accountable team,
start to finish.
Related Services
Explore the full scope.
Residential Construction
Ground-up homes & additions
Explore →ADU Construction
Accessory dwelling units
Explore →Commercial Construction
Tenant & ground-up commercial
Explore →Multi-Family Development
Apartments & townhomes
Explore →Hillside Construction
Complex grade & caisson builds
Explore →Home Remodeling
Renovations & whole-home remodels
Explore →Grading
Site preparation & earthwork
Explore →Foundation & Caisson
Foundations & deep piers
Explore →Framing
Precise structural framing
Explore →Mechanical, Electrical & Plumbing
Building systems install
Explore →Retaining Wall
Engineered retaining systems
Explore →
Anchor it properly.
Challenging soils or grade? Our foundation team builds for the long term.