Custom Residential Design
Full-service architectural design for single-family homes through four-unit residential buildings, including permitting, consultant coordination, contractor bidding, and construction guidance.
Create a high-end home with a timeless, elegant character shaped around the way you live. Ortiz Mexia Projects, Inc. provides integrated residential architecture, interior design, custom cabinetry, furniture, permitting support, and construction guidance. From new homes and renovations to additions and thoughtful interiors, every project benefits from hands-on collaboration, sustainable thinking, advanced visualization, and detailed craftsmanship.

Integrated design services for custom homes, renovations, interiors, cabinetry, furniture, and project completion.
Full-service architectural design for single-family homes through four-unit residential buildings, including permitting, consultant coordination, contractor bidding, and construction guidance.
Thoughtful interiors for remodels, new construction, additions, and alterations, balancing health-conscious sustainability, timeless elegance, furniture, cabinetry, and spatial character.
Design support for new custom residences and residential buildings, from early concepts through permits, visualization, consultant coordination, and construction completion.
Design-led remodeling for single-family homes, with support spanning architectural development, permit procurement, construction oversight, and project completion.
Integrated cabinetry and built-in elements designed for practical use, aesthetic longevity, environmental responsibility, and cohesive architectural interiors.
Custom additions and alterations that coordinate new spaces with existing homes while addressing permitting, sustainability, technology, and construction implementation.
Luxury residential design should feel personal, cohesive, and enduring rather than driven by passing trends. Ortiz Mexia Projects, Inc. brings architecture, interiors, custom furniture, cabinetry, and built-ins together within one thoughtful design practice. Clients receive hands-on guidance through design, permitting, contractor coordination, and construction, with sustainable systems, advanced AI and VR tools, and careful attention to material and spatial sensibility.

A design-led practice for homeowners seeking carefully coordinated, enduring residential environments.
Architecture, interiors, furniture, cabinetry, and built-ins are developed as one cohesive residential vision.
The studio favors elegant, enduring solutions over trend-driven choices for homes with lasting visual and practical value.
Clients receive coordinated support across design, permitting, consultants, contractors, and construction implementation.
AI, BIM, and VR tools support clear collaboration while sustainable thinking guides healthier, more responsible spaces.
A principal-led studio bringing architecture and fine arts into custom residential work.

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.
A residential designer develops the architectural and spatial ideas that shape a home. Depending on the project, services can include planning, interiors, cabinetry, furniture, permitting support, consultant coordination, contractor bidding, and construction guidance. Ortiz Mexia Projects, Inc. provides integrated design for custom homes, renovations, additions, alterations, and residential buildings through four units.
Speak with the design studio about your home, scope, and next steps.
By appointment, the studio serves select communities across Los Angeles and Colorado’s Roaring Fork Valley.
Los Angeles, CA
Primary Region
Roaring Fork Valley
Colorado Region
By Appointment
Availability
Confirm project availability and discuss your residential design goals.
Professional affiliation held by principal Santiago Ortiz.
Projects featured in Interior Design Magazine and the Los Angeles Times.
Ortiz-Wheeler Residence featured in the Venice Vista Spring Home Tour.
Share your residential goals and project scope to begin a conversation with the studio.
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.