ARZ Associates – Engineering-led design-build in Southern California

Welcome to ARZ & Associates Inc.

Building Excellence,
Engineering Futures

We dedicate ourselves to our core values by offering the finest quality in our products and the best in client experiences, with a direct, hands-on approach for every project.

About team

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We are ARZ & Associates Inc.

Engineering-Led
Design-Build

A licensed Professional Engineer and Class B contractor under one roof — bringing public-works-grade engineering discipline to residential and commercial construction.

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We are ARZ & Associates Inc.

Architect of Record,
Always

Every design-build project we take on includes a dedicated architect, keeping design and construction professionally accountable to each other.

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Southern California Engineering + Construction

Engineering-led design-build, done right.

A Southern California design-build firm led by a licensed Professional Engineer and Class B contractor, bringing public-works-grade engineering discipline to residential and commercial construction.

Licensed PE + Class B Contractor

Architect of Record on Design-Build Projects

Residential + Commercial Services

What we actually do.

Residential and commercial work across Southern California, engineered to last, not just to look good on opening day.

Structural Inspection Reports

We offer advanced testing services for air, soil, and water, helping ensure environmental compliance and public health safety with precise contaminant detection and evaluation.

ADU + SB9 Projects

Focused on high-profile and complex projects, our comprehensive management and inspection services guarantee that every build meets your stringent requirements for quality, safety, and efficiency.

Residential Remodels

We merge aesthetic excellence with structural integrity, specializing in civil and structural engineering to meet the complexities of any project.

Custom Residential Construction

Our expertise spans all phases of construction, ensuring each project is executed on time, within budget, and upholds the highest standards of quality and safety.

Why ARZ

The combination is the difference.

Most contractors are not engineers. Most engineers do not build. ARZ Associates brings engineering judgment, construction execution, and public-works documentation habits under one coordinated team.