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(562) 254-5471
%20(1).jpg?width=500&height=500&name=Untitled%20design%20(7)%20(1).jpg "Excavation work underway for a residential rebuild in Altadena, with construction crew and excavator preparing the foundation.")
ATP is a Pasadena-based design-build firm with hands-on experience guiding homeowners through residential rebuilds in Altadena.
✅ Local Experts You Can Trust
Based in Pasadena, with deep knowledge of Altadena permitting requirements.
✅ Full-Service, In-House Team
Architecture, engineering, permitting, and construction — all coordinated under one roof.
✅ Insurance Process Support
We help homeowners understand insurance scopes, rebuild requirements, and construction timelines so they can move forward with clarity.
✅ Fast, Organized Response
After a fire, time matters. Our team moves efficiently while maintaining quality and transparency.
We review your property and current situation
Every rebuild is different — we start by understanding yours.
We explain your rebuild options clearly
Design, permitting, timeline, and what to expect — no guesswork.
We schedule an in-office or site consultation, if it makes sense for your situation.
No pressure. Just clarity and next steps.
Hear from homeowners and developers who trusted ATP for their residential and multifamily projects.
“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.
★★★★★
Alex Ashbaugh,
Google review
“Rare to find someone so transparent and genuinely dedicated.”
Thanks to Sergio and the team for professionalism, sincerity, and client-first support throughout the 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.
★★★★★
Luis Bañuelos,
Google review
If you’re rebuilding in Altadena, our team is here to help you understand your options and next steps — clearly and responsibly.
Free consultation • No obligation • Local team
Our team is actively working on rebuild projects across Altadena and the surrounding communities. These are real job sites currently in progress.
You’re not alone — most homeowners feel overwhelmed at this stage. The first step is a consultation where we review your property, discuss your goals, and explain what the rebuild process typically looks like. From there, we help you understand your options and outline realistic next steps so you can move forward with clarity.
Yes. ATP Development & Construction is fully licensed and insured in the State of California. We follow all local building codes, permitting requirements, and safety standards for every project. We’re happy to share our license information during your consultation.
Every insurance situation is different. We help homeowners understand their rebuild scope, requirements, and timelines so they can make informed decisions throughout the insurance process. During your consultation, we’ll walk through how insurance typically fits into a rebuild and what to expect moving forward.
Start times depend on several factors, including design scope, permitting, and city approvals. Once we review your situation, we can outline a realistic timeline and explain what steps need to happen before construction begins.
Our work is built around a structured, step-by-step process with clear communication throughout each phase. From early planning through construction, our team remains involved to ensure expectations, timelines, and progress are clearly communicated from start to finish.
Still have questions? Our team is happy to walk you through your options.
If you’re rebuilding in Altadena, our team is here to help you understand your options and next steps — clearly and responsibly.
No pressure. Just guidance, clarity, and local experience.
