Sennikoff Architects

Sennikoff Architects is a full-service architectural design firm specializing in custom residential architecture, Accessory Dwelling Units (ADUs), multifamily housing, mixed-use developments, and commercial projects throughout California. Founded by architect Alex Sennikoff, the firm is dedicated to creating thoughtful, innovative, and highly functional designs that respond to the unique goals of each client while balancing aesthetics, sustainability, and practical construction considerations. Through a collaborative and client-focused approach, Sennikoff Architects has built a reputation for delivering creative architectural solutions that enhance both the built environment and the lives of those who use it.

With extensive experience navigating California’s evolving building regulations and development opportunities, the firm guides clients through every phase of the architectural process—from feasibility studies and conceptual planning to permitting, construction documentation, and project coordination. Sennikoff Architects combines technical expertise with design excellence to help homeowners, developers, and property owners successfully bring their projects to life.

Architectural Design Services

Sennikoff Architects provides comprehensive architectural services tailored to residential, multifamily, and commercial development projects.

Services Include:

• Accessory Dwelling Unit (ADU) design
• Custom home architecture
• Home additions and expansions
• Multifamily residential design
• Mixed-use development design
• Commercial architecture
• Feasibility studies and site analysis
• Architectural planning and design
• Permit and entitlement assistance
• Construction documentation
• Project coordination and consulting
• Sustainable and energy-efficient design solutions

The firm works closely with clients, consultants, and contractors to create designs that are visually appealing, code-compliant, and optimized for long-term performance.

Why Clients Choose Sennikoff Architects

• Full-service architectural design firm
• Expertise in ADUs and residential development
• Extensive experience with California permitting processes
• Customized architectural solutions for each project
• Strong focus on functionality and design excellence
• Collaborative and client-centered approach
• Experience across residential, multifamily, and commercial sectors
• Commitment to innovation and sustainable design

Sennikoff Architects combines architectural creativity with practical expertise, helping clients navigate complex projects while achieving exceptional design outcomes.

Designing Spaces That Inspire

At Sennikoff Architects, architecture is viewed as more than creating buildings—it is about designing spaces that improve how people live, work, and interact with their surroundings. The firm believes successful projects emerge from a careful understanding of client goals, site conditions, regulatory requirements, and long-term usability.

Core Principles

Design Excellence
Creating architecture that is both visually compelling and highly functional.

Client Collaboration
Building strong partnerships through open communication and personalized service.

Innovation
Developing creative solutions that address unique project challenges and opportunities.

Sustainability
Incorporating responsible design practices that promote efficiency, durability, and environmental stewardship.

Whether designing an ADU, custom home, multifamily development, or commercial project, Sennikoff Architects provides the expertise, vision, and technical guidance needed to transform ideas into thoughtfully designed spaces. Through creativity, collaboration, and attention to detail, the firm continues to deliver architectural solutions that add lasting value for clients and communities alike.