Custom Residential Design
Develop a cohesive remodeling vision for your home and backyard, coordinating architecture, interiors, materials, sustainability, and practical details throughout the project.
Create a more thoughtful outdoor living environment with a design-led remodeling team serving Los Angeles, Santa Monica, and Beverly Hills. Ortiz Mexia Projects, Inc. brings architectural planning, sustainable systems, custom cabinetry, permitting guidance, and construction coordination together for residential projects. From reconfigured spaces to integrated built-ins, every detail is developed for timeless character and lasting usability in Southern California.

Integrated design, permitting, remodeling, cabinetry, and project guidance for distinctive residential outdoor environments.
Develop a cohesive remodeling vision for your home and backyard, coordinating architecture, interiors, materials, sustainability, and practical details throughout the project.
Refresh and reconfigure residential spaces with full-service design, permit procurement, construction oversight, and guidance through project completion.
Plan thoughtful changes to existing homes, connecting new and modified spaces with a cohesive design language suited to the property and its occupants.
Integrate practical, elegant cabinetry and built-ins into remodeled spaces, prioritizing durable design, occupant wellness, environmental responsibility, and aesthetic longevity.
Receive guidance through municipal building permit processes, with coordination among clients, consultants, contractors, and agencies from design through construction.
Benefit from coordinated oversight across design and construction, including consultant communication, contractor collaboration, technology integration, and detailed project orchestration.
Backyard remodeling can become more than a surface update when architecture, interiors, cabinetry, and construction guidance are considered together. Ortiz Mexia Projects, Inc. creates coordinated residential environments with timeless, elegant character, sustainable thinking, and practical detailing. For Los Angeles homeowners, the studio provides hands-on support across design, permitting, and implementation, helping outdoor improvements feel naturally connected to the home and its setting.

A coordinated design practice for homeowners seeking considered, high-touch residential remodeling support.
Architecture, interiors, furniture, cabinetry, and built-ins are considered together for cohesive residential results.
Los Angeles homes receive elegant, enduring design rather than short-lived trend-driven treatments.
Clients receive coordination across design, permitting, consultants, contractors, and construction phases.
AI and VR tools help clients understand designs and participate more confidently in project decisions.
Led by founder and principal Santiago Ortiz, Assoc. AIA.

Assoc. AIA, Principal
Santiago Ortiz is the founder and principal of Ortiz Mexia Projects, Inc., an architecture and design practice serving Los Angeles and Colorado's Roaring Fork Valley. Born and raised in Colombia, Santiago moved to Providence, Rhode Island, to pursue his passion for design, graduating from the Rhode Island School of Design in 1999 with degrees in Architecture and Fine Arts. After relocating to Los Angeles, he honed his craft at small architecture firms specializing in high-end custom residences and boutique commercial spaces before founding his own practice in 2006. Santiago is an Associate Member of The American Institute of Architects and brings a timeless, elegant sensibility to every project, from custom furniture and built-ins to full-scale residential construction. His work has been featured in Interior Design Magazine and the Los Angeles Times, reflecting his commitment to thoughtful, well-crafted design.
Backyard remodeling may include coordinated architectural design, residential alterations, permitting support, custom cabinetry or built-ins, and construction guidance. The appropriate scope depends on how the outdoor area connects to the existing home and the improvements being considered. Ortiz Mexia Projects, Inc. approaches the project as part of a broader residential environment, helping align practical needs, spatial character, materials, and implementation.
Speak with the design team about your Los Angeles residential project.
By appointment, the studio serves residential remodeling projects across Los Angeles and the Roaring Fork Valley.
Los Angeles, CA
Primary Service Area
Santa Monica and Beverly Hills
Additional California Areas
Roaring Fork Valley
Colorado Service Area
Confirm availability and discuss your property with the studio.
Professional affiliation with The American Institute of Architects
Ortiz-Wheeler Residence featured in the Venice Vista Spring Home Tour
Projects featured in Interior Design Magazine and the Los Angeles Times
Share your project goals and property details to explore a thoughtful design path.
For immediate assistance, feel free to give us a direct call at +1 (310) 600-0241.
For immediate assistance, feel free to give us a direct call at +1 (310) 600-0241.