Custom Residential Design
Full-service design for single-family homes and residential buildings through four units, including permitting guidance, consultant coordination, bidding, and construction support.
Comparing residential home remodeling companies requires more than reviewing finished photographs. Look for a firm that can coordinate design, permitting, interiors, construction guidance, and the details that make a home feel lasting and personal. Ortiz Mexia Projects, Inc. brings an integrated, design-led approach to remodeling and renovation projects across Los Angeles and Colorado’s Roaring Fork Valley.

Explore integrated residential design, renovation, permitting, interiors, and project guidance for thoughtful home transformations.
Full-service design for single-family homes and residential buildings through four units, including permitting guidance, consultant coordination, bidding, and construction support.
Design-led remodeling for single-family homes, with support spanning initial concepts, building permits, construction oversight, and completion through Certificate of Occupancy.
Thoughtful additions and alterations that respond to an existing home while coordinating design, permits, consultants, contractors, and construction completion.
Custom interiors for remodels, additions, alterations, and new construction, combining sustainable practices, health-conscious decisions, and timeless spatial design.
Integrated cabinetry and built-ins designed for practical use, environmental responsibility, occupant health, and aesthetic longevity rather than short-lived trends.
Construction administration and project guidance help align clients, consultants, and contractors from concept through completion across residential remodeling projects.
A successful remodel depends on decisions being connected from the beginning. Ortiz Mexia Projects, Inc. can coordinate architectural design, interiors, cabinetry, permitting, consultants, contractors, and construction guidance within one thoughtful practice. For homes in Los Angeles or Colorado’s Roaring Fork Valley, the studio emphasizes timeless elegance, sustainable systems, advanced AI and VR tools, and detailed solutions designed to remain relevant over time.

Compare remodeling partners by looking for integrated expertise, thoughtful coordination, and a design approach that serves the whole home.
Architecture, interiors, furniture, cabinetry, and built-ins can be coordinated through one design-led practice.
The studio favors elegant, enduring solutions over trend-driven choices for Los Angeles and Colorado homes.
Clients receive guidance across design, permitting, consultants, bidding, construction, and project completion.
AI and VR tools support clearer design communication and immersive client understanding throughout the process.
Meet the principal guiding Ortiz Mexia Projects, Inc.’s 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.
Residential remodeling is the process of changing, improving, or reconfiguring an existing home. It can include interior renovations, additions, alterations, updated kitchens or living spaces, custom cabinetry, built-ins, and related architectural work. A design-led remodeling firm may also assist with building permits, consultant coordination, contractor bidding, construction guidance, and project completion.
Talk through your project goals and questions with the design team.
Ortiz Mexia Projects, Inc. serves selected residential projects across Los Angeles and Colorado’s Roaring Fork Valley.
Los Angeles, CA
Primary Service Area
Roaring Fork Valley
Additional Region
By Appointment
Availability
Confirm availability and discuss your residential remodeling goals.
Professional affiliation held by Santiago Ortiz
Residence featured in an AIA Los Angeles home tour
Work featured in Interior Design Magazine and Los Angeles Times
Share your property, project goals, and questions so the studio can discuss an appropriate 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.