Design and Planning Services

Tri-Sam Development, a leading general contractor and builder in the South Bay area of California, brings over 50 years of combined experience to every project. Since 1990, we've been creating outstanding designs that enhance residential and commercial spaces. Our dedication to quality, attention to detail, and personalized approach have earned us recognition in South Bay Homes magazine multiple times, establishing us as a trusted name in the industry. At Tri-Sam Development, we know that successful projects start with careful planning and innovative design.

Our skilled team works closely with clients to turn their ideas into reality, ensuring every part of the project meets high standards of craftsmanship and usefulness. We handle all aspects of the design and planning process, including getting necessary permits. As a local, family-owned business, we take pride in our work and stay involved on every job site, with the owner working directly with our team and clients. For outstanding design and planning services backed by a 10-year warranty and full liability insurance, contact us today.

Our floor plan design services form the base of your project's success. We create smart, useful layouts that make the most of your space. Our designers think about your lifestyle, likes, and future needs to develop floor plans that work well.

Tri-Sam Development's interior design services bring your ideas to life. We work closely with you to pick quality materials, colors, and finishes that match your style and fit the overall design.

Project Planning Services

Our full project planning services set up a smooth building process. We make detailed schedules, work with subcontractors, and manage all parts of the project from start to finish. Our careful planning helps avoid delays and keeps your project on time.

Site Planning Services

Good site planning is key to making the most of your property. Our team studies your site carefully, looking at the land, zoning rules, and environmental factors. We create site plans that use land well and improve curb appeal.