Genova-Detwiler Custom Builders | About Us
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Who We Are

A team of accomplished individuals with dedication to innovative, honest and collaborative practices established Genova-Detwiler Custom Builders. The two principals are passionate builders who grew up in the industry and were educated in architecture and construction management. As individuals, they’ve each served for decades leading and delivering notable projects.

Drawing from our diverse experiences, we shaped our company to be personal and efficient. Intentionally scaled, we provide the attention and flexibility of a boutique builder combined with the professional discipline and systems of prominent commercial contractors. This model enables us to provide clients with sensitive leadership, focused execution and extreme value.


Custom Residential

New Construction


Historical Preservation

Architectural Commercial

Hospitality Hotel & Restaurant

Mixed-use Development

Adaptive Re-use

Historical Preservation

Museum, Public Garden & Monument


Design Phase Services

Project Visioning & Planning

Pro-forma & Feasibility Analysis

Development, Entitlement & Permitting

Construction Advisory

Project Budgeting & Estimating

Construction Services

Construction Management

General Contracting



Aaron Genova

Aaron Genova

Director of Construction Services

Aaron directs construction services, leads company strategic planning, leads the project management process and directly manages a selection of projects.

Cal Detwiler

Cal Detwiler

Director of Construction Operation

Cal directs construction operations, leads training, safety and quality programs and manages special projects.

Desert Botanical Garden Photo Credit: Adam Rodriguez