Custom Home Design
Full-service architectural design for single-family homes and residential buildings up to four units, from concept through construction completion.
Explore how leading high-end residential architecture firms approach custom homes, renovations, interiors, sustainability, technology, and construction guidance. This comparison highlights the design capabilities, collaboration models, and project support discerning homeowners should evaluate when selecting an architecture partner for a bespoke residence. Ortiz Mexia Projects brings an integrated, timeless approach across Los Angeles and Colorado’s Roaring Fork Valley.

Integrated architecture and design services for custom homes, renovations, interiors, permitting, and detailed residential elements.
Full-service architectural design for single-family homes and residential buildings up to four units, from concept through construction completion.
Design-led remodeling for existing residences, including sustainable updates, permitting support, construction oversight, and guidance through project completion.
Custom interiors for remodels, new construction, additions, and alterations, coordinated with architectural details, furniture, cabinetry, and built-ins.
Thoughtful preservation and remodeling for homes in Historical Preservation Overlay Zones, balancing architectural integrity with modern systems and technologies.
Immersive VR presentations help clients experience proposed spaces at full scale or study three-dimensional models at a chosen scale.
Hands-on coordination supports clients, consultants, agencies, and contractors through design, permitting, construction, and Certificate of Occupancy.
High-end residential architecture requires more than an impressive exterior. Ortiz Mexia Projects coordinates architecture, interiors, furniture, cabinetry, built-ins, permitting, and construction guidance into one considered design process. The studio serves projects across Los Angeles and Colorado’s Roaring Fork Valley, creating elegant, environmentally responsible homes shaped around each client’s needs rather than short-lived trends.

Compare architecture partners by looking for integrated expertise, thoughtful collaboration, and a design philosophy that endures.
Architecture, interiors, furniture, cabinetry, and built-ins are developed as coordinated parts of one residential vision.
The studio favors elegant, durable design over trend-driven solutions for residences in varied settings and communities.
Clients receive support through design, permitting, consultant coordination, contractor bidding, construction, and project completion.
AI, BIM, and VR tools help communicate design intent and support informed decisions throughout the process.
Led by founder and principal Santiago Ortiz, the studio brings architecture and fine arts together.

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.
Compare each firm’s relevant residential portfolio, design philosophy, scope of services, communication style, and experience coordinating consultants and contractors. It is also useful to ask whether the practice can integrate architecture, interiors, furniture, cabinetry, permitting, and construction guidance. Ortiz Mexia Projects offers this connected approach for custom homes, renovations, additions, and alterations.
Speak with the studio about your residence, goals, and preferred level of design guidance.
Ortiz Mexia Projects works by appointment across Los Angeles and Colorado’s Roaring Fork Valley.
Los Angeles, CA
Primary Region
Roaring Fork Valley
Colorado Region
By Appointment
Availability
Share your location and project goals to discuss fit, scope, and availability.
Professional affiliation held by principal Santiago Ortiz.
Ortiz-Wheeler Residence featured in the Venice Vista Spring Home Tour.
Work featured in Interior Design Magazine and the Los Angeles Times.
Tell us about your property, design goals, location, and desired level of architectural and project guidance.
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.