ATP Development & Construction is a Pasadena-based design-build firm serving Altadena, Pasadena, and the Greater Los Angeles area. With over 30 years of combined experience, we specialize in residential construction, fire rebuilds, ADUs, multi-family projects, and development-focused builds.

As a full-service design-build company, ATP manages projects from concept to completion — including feasibility review, architecture coordination, structural engineering, permitting, and full construction. Our structured process helps reduce delays, miscommunication, and unexpected costs.

Our services include:

• New Construction & Ground-Up Builds
• Fire Rebuild Projects
• Accessory Dwelling Units (ADUs)
• Multi-Family & Small-Lot Developments
• Hillside & Foundation Construction
• Architecture, Engineering & Permitting Coordination
• Construction Management

We work closely with homeowners, investors, and developers to ensure each project is built responsibly, efficiently, and in compliance with local zoning and city requirements.

Our goal is simple: provide clarity, structure, and hands-on guidance so clients can move forward with confidence.

Schedule a free consultation to review your project scope, feasibility, and next steps.