ATP · Pasadena · Lic. #1092130 · Est. 1995_
From design and engineering to permitting and the final walkthrough — ATP manages every project from concept through completion, under one accountable roof.
Let Us Do the Heavy Lifting
Architecture, engineering, and construction live under one roof — so decisions stay aligned from the first sketch to the final inspection.
Architecture, engineering, and permitting, aligned with real-world construction from day one.
View Design Process →
Ground-up builds, additions, and renovations managed from foundation to final inspection.
View Construction Services →Not sure where to start? That's exactly what we're here for. Talk to us →
How We Work
Every project is unique, but our structured process stays consistent — from feasibility through completion.
We begin with a detailed site review, zoning analysis, and early budget alignment. Existing conditions are evaluated and rebuild requirements confirmed, so you have clear expectations before design begins.
Architecture and engineering are aligned early to reduce delays and avoid redesigns. Structural planning, grading, and permit-ready documentation are coordinated from the start to ensure a smooth path forward.
Our team manages city coordination on your behalf, handling plan-check revisions and compliance requirements. Clear timelines and proactive communication keep your project moving toward approval without surprises.
From excavation and foundation work to framing and systems installation, our dedicated team manages the build with consistent oversight. Quality and accountability remain central throughout construction.
We complete all final inspections, organize documentation and warranties, and ensure a smooth handoff. Even after close-out, our team remains available to support long-term performance and future needs.
Design or Construction — Your Call
ATP is a design-build firm, but our services aren't bundled. If you work with us on design, the design and construction phases stay separate — so you can review your plans and compare builders before deciding who builds your project.
Already have plans? We're happy to step in as your construction partner and provide a free, no-obligation proposal.
Request a Free Proposal →Selected Work
What Our Clients Say
Incredibly knowledgeable and relentlessly hardworking — I can't recommend them more.
ATP helped navigate everything from home renovations to complex commercial development. They truly care about clients and collaborators.
First-class supervision and craftsmanship on our 13-unit build.
ATP served as GC and delivered beyond scope. Integrity, attention to detail, and real ownership — a rare and valuable trait. Highly recommend.
Rare to find someone so transparent and genuinely dedicated.
Thanks to Sergio and the team for professionalism, sincerity, and client-first support throughout the entire process.
High-quality work that exceeded my expectations.
Professional, reliable, and clear communication. The team kept us on schedule and made the entire process smooth and stress-free.
Whether you're early in planning or ready to break ground, our team is available for a free, no-pressure consultation.
