Fassino Development

Fassino Development is a Southern California design-build firm specializing in custom homes, Accessory Dwelling Units (ADUs), remodeling, and construction management services. Led by founder Brian Fassino, the company combines more than 35 years of experience in engineering, design, project management, and residential construction to deliver thoughtfully planned projects that balance aesthetics, functionality, and long-term value.

Drawing upon Brian’s background as an Architectural and Engineering Designer, System Analyst, Project Manager, and Chief Operations Officer, Fassino Development brings a unique level of organization, value engineering, and quality assurance to every project. The company’s approach focuses on understanding each client’s vision, creating intelligent design solutions, and managing every detail from concept through completion.

Comprehensive Design-Build Services

Fassino Development offers a complete suite of residential construction and development services designed to simplify the building process while maintaining exceptional quality standards.

Services Include

• Custom Home Design & Construction
• Accessory Dwelling Units (ADUs)
• Home Remodeling
• Kitchen Remodeling
• Bathroom Remodeling
• Room Additions
• Guest Houses & Casitas
• Tenant Improvements
• Light Commercial Construction
• Restoration Services
• Custom Fabrication
• Construction Management
• Project Planning & Analysis
• Permitting & Regulatory Coordination
• Design & Drafting Services

The company provides end-to-end project support, helping clients navigate design decisions, permitting requirements, budgeting, and construction management with confidence.

Custom Homes & ADU Specialists

Fassino Development is known for creating custom homes and ADUs that are uniquely tailored to each client’s lifestyle, property, and goals. Their design-build process emphasizes collaboration, allowing homeowners to actively participate in shaping a home that reflects their personality and vision.

ADU Solutions

• Detached ADUs
• Guest Houses
• Granny Flats
• In-Law Suites
• Rental Income Units
• Backyard Casitas
• Multi-Generational Living Spaces

The company guides homeowners through zoning requirements, municipal approvals, design development, permitting, and construction, ensuring a smooth ADU development process from start to finish.

A Proven Design-Build Process

Fassino Development follows a structured process designed to reduce uncertainty, improve communication, and keep projects moving efficiently.

Project Process

• Initial Consultation
• Site Analysis
• Design Services
• Project Definition & Strategy
• Pre-Construction Planning
• Permitting & Engineering Coordination
• Construction Documentation
• Construction Management
• Final Project Delivery

By investing significant attention in the early planning stages, the company helps prevent delays, minimize costly surprises, and maintain project quality throughout construction.

Built on Integrity & Craftsmanship

Fassino Development believes that successful projects are built on trust, communication, and attention to detail. Their commitment to craftsmanship, transparency, and customer service has earned the company a reputation for solving complex construction challenges while delivering exceptional results.

What Sets Fassino Development Apart

• More Than 35 Years of Industry Experience
• Design-Build Expertise
• Engineering & Project Management Background
• Custom Home & ADU Specialists
• Comprehensive Construction Management
• Value Engineering Approach
• Strong Focus on Communication
• Quality Craftsmanship
• Personalized Client Experience
• Commitment to Integrity & Accountability

Creating Homes That Inspire

Fassino Development approaches every project with the belief that great homes begin with great relationships. Whether designing a custom residence, building an ADU, remodeling an existing home, or managing a complex construction project, the company is dedicated to delivering thoughtful solutions that exceed expectations and stand the test of time.