
Construction · Pasadena & Los Angeles
Engineered retaining
walls that hold.
Structural retaining systems designed and built to manage grade, protect property, and last for decades.
Overview
Hold the grade — safely and permanently.
Retaining walls are structural, not decorative. We engineer and build walls sized for your soils, slope, and loads, with proper drainage so they perform through every season.
From short garden walls to tall engineered systems on hillside lots, our structural and construction teams deliver retaining walls that meet code and stand the test of time.

What's Included
Retaining systems, engineered.
Engineered Design
Walls sized to your soils, grade, and surcharge loads.
Drainage Systems
Proper backdrainage that prevents failure.
Concrete & Masonry Walls
Durable construction for any height.
Permit & Inspection
Stamped, permitted, and inspected to 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 →
Keep the hillside where it belongs.
Managing a slope or grade change? Let’s engineer the right wall for it.