Business Details
38 Years
experience
Your Trusted Partner for Custom ADU, Residential & Commercial Construction
Sun Coast Construction has been delivering exceptional construction services since 1988, specializing in ADU development, residential renovations, and commercial tenant improvements. Founded by Gianni DAddazio, a native of Italy with deep-rooted craftsmanship values, the company combines European design sensibilities with over 33 years of local expertise. Our team prioritizes personalized service, maintaining direct relationships with clients and leveraging established partnerships with skilled tradesmen to ensure quality execution. We emphasize budget-conscious solutions without compromising on craftsmanship, evidenced by our 90% referral-based business model. Our comprehensive approach spans project consultation, design, permitting, and construction, ensuring seamless experiences for homeowners and business owners alike.With a focus on San Diego County and surrounding regions, we transform spaces through custom kitchens, bathrooms, outdoor living areas, and full-scale commercial remodels. Our commitment to exceeding client expectations is reflected in testimonials highlighting timely delivery, attention to detail, and problem-solving expertise. As an owner-operated business, we maintain direct accountability for every project, ensuring clients benefit from our accumulated knowledge and dedication to construction excellence.
Services
ADU Construction
Commercial Construction
Residential Construction
Custom Homes
Tenant Improvements
Details
- Year established: 1988
Highlights and features
- We offer 33+ years of specialized construction experience in San Diego County
- Our owner-operated business ensures direct accountability and decision-making
- We use premium materials and employ skilled craftsmen for superior results
- We maintain transparent budget management with competitive pricing
- 90% of our business comes from satisfied client referrals
What people say
Exceeded our vision
Professional and courteous workers
Completed quickly and perfectly
Highest quality work
Peace of mind contractor
Services
ADU Construction
We specialize in designing and building accessory dwelling units that maximize property value and functionality. Our ADUs include detached cottages, garage conversions, and bump-out additions that comply with California regulations. Clients benefit from our comprehensive services covering consultation, design, permitting, and construction.
Commercial Construction
Our commercial construction services focus on interior and exterior remodeling for restaurants, offices, and retail spaces. We minimize business disruption through efficient project management while delivering high-quality renovations that enhance functionality and aesthetics for commercial properties.
Residential Construction
We provide full-service residential construction including second-story additions, room expansions, and complete home remodels. Our team collaborates with architects to create functional living spaces that maintain structural integrity while achieving homeowners' vision for their properties.
Custom Homes
We build custom-designed homes tailored to clients' specific needs and preferences. Our process includes material selection, architectural coordination, and quality craftsmanship to create unique living spaces that reflect homeowners' lifestyles and aesthetic requirements.
Tenant Improvements
Our tenant improvement services transform commercial spaces while maintaining operational continuity. We handle complete interior renovations, exterior upgrades, and compliance modifications for restaurants, offices, and retail establishments across Southern California.
People
Gianni DAddazio
Owner
With 33+ years in construction, Gianni brings Italian craftsmanship to San Diego projects. He oversees operations, maintains client relationships, and ensures quality standards across all projects while leveraging industry expertise developed since 1988.
Questions
What types of ADUs can you build?
We construct detached cottages, garage conversions, bump-out additions, and basement conversions that comply with California ADU regulations.
Do you handle commercial tenant improvements?
Yes, we specialize in commercial interior and exterior remodeling for restaurants, offices, and retail spaces with minimal business disruption.
What residential services do you offer?
We provide home additions, kitchen and bathroom remodels, custom home building, and outdoor living space construction.
How long have you been in business?
We've served San Diego since 1988 with 33+ years of combined construction experience led by owner Gianni DAddazio.
What areas do you service?
We operate throughout San Diego County, South Riverside County, South Orange County, and Imperial County.
Why do clients refer your services?
Our 90% referral rate comes from quality craftsmanship, budget adherence, and personalized service that exceeds client expectations.