Architecture Firms in California

Top 10 Architecture Firms in Florida

California’s top architecture firms transform bold visions into lasting structures — from private residences to community-driven and sustainable projects. Explore these 10 innovators shaping the state’s built future.

FEATURED ARCHITECTURAL FIRMS

Feature Ad for your Business​

Gensler

The world’s largest architecture firm, leading in workplace, mixed-use, and commercial design — LA and Newport Beach offices.
Location: Los Angeles, Newport Beach, CA
Website: gensler.com
Social: LinkedIn · Twitter / X @Gensler

SOM (Skidmore, Owings & Merrill)

Award-winning international practice known for high-rise, civic, and institutional design — featured LA studio work.
Location: Los Angeles, CA
Website: som.com
Social: LinkedIn

CO Architects

Specialists in healthcare, education, and civic design — pioneering BIM-enabled large-scale projects in LA.
Location: Los Angeles, CA
Website: coarchitects.com
Social: LinkedIn

Marmol Radziner

Design-build leader in residential, hospitality, and historic restorations — LA-headquartered and Bay Area projects.
Location: Los Angeles, San Francisco
Website: marmol-radziner.com
Social: LinkedIn

LPA Design Studios

Recipient of the 2025 AIA Architecture Firm Award — recognized for institutional, cultural, and educational design excellence.
Location: Multiple offices in California
Website: lpadesignstudios.com
Social: LinkedIn

Koning Eizenberg Architecture (KEA)

Santa Monica-based firm renowned for sustainable community, adaptive-reuse, and housing projects — over 200 awards.
Location: Santa Monica, CA
Website: kearch.com
Social: LinkedIn

Morphosis Architects

Innovative LA practice known for sculptural, materials-forward civic and educational buildings.
Location: Los Angeles, CA
Website: morphosis.com
Social: LinkedIn

EHDD

Historic San Francisco firm excelling in urban, educational, and civic projects — AIA National Firm of the Year.
Location: San Francisco, CA
Website: ehdd.com
Social: LinkedIn

MBH Architects

Bay Area studio delivering LEED-certified commercial, hospitality, and adaptive-reuse projects — longstanding regional footprint.
Location: Alameda (HQ), San Francisco
Website: mbharch.com
Social: LinkedIn

Feldman Architecture

LA-based firm designing context-sensitive homes and interiors — known for site-responsive and human-centric designs.
Location: Los Angeles, CA
Website: feldmanarchitecture.com
Social: LinkedIn