Duncan Architecture & Development

Steve Duncan Lighting Designer & Architect

We design and deliver distinctive, modern homes across San Francisco, Los Angeles, and Palm Springs—bringing together architecture, lighting design, and real estate development expertise under one roof.

Founded by Steve Duncan, AIA, our practice guides clients from concept to completion, navigating every stage of the process—from early design visioning and planning approvals to construction administration and final handover. We collaborate closely with homeowners, developers, and contractors to ensure every project not only meets functional needs but inspires with timeless, site-specific design.

Our specialties include:

Desert Modern & Pacific Modern Architecture
Luxury Residential Design
Lighting Design & Integration
Design Review & Planning Approvals
Building Permit Management
Construction Administration

Whether creating a serene Palm Springs retreat, a refined Los Angeles residence, or a contemporary San Francisco home, our goal is the same: exceptional architecture that reflects our clients’ lifestyle, enhances their property value, and resonates for decades to come.

"Exceptional design begins with a passionate, curious client who is ready to create." — Steve Duncan, AIA