Construction · Pasadena & Los Angeles
Mechanical, electrical
& plumbing, coordinated.
Building systems planned and installed in step with construction — efficient, compliant, and built to perform.
Overview
The systems that make a building work.
MEP is where many projects run into conflicts. We coordinate mechanical, electrical, and plumbing with structure and finishes from the start, avoiding the clashes that cause delays.
Our team manages rough-in through final connection and inspection, delivering systems that are reliable, efficient, and ready for the way you use the space.
What's Included
Integrated building systems.
Plumbing
Supply, waste, and fixtures roughed and finished to code.
Electrical
Panels, circuits, and lighting planned for real use.
HVAC & Mechanical
Efficient heating, cooling, and ventilation.
Coordination & Inspection
Systems aligned with structure and signed off.
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 →
Make it run right.
New build or upgrade, we’ll get your systems planned and installed without surprises.