Custom Home Design
Design support for single-family homes through 4-unit residential buildings, including architectural planning, permitting, consultant coordination, and guidance through construction completion.
Choosing an architect is about more than drawings. Local Pasadena architects can help translate your goals into a thoughtful, enduring design while coordinating details from concept through permitting and construction. Ortiz Mexia Projects, Inc. brings a timeless design sensibility, environmental awareness, advanced AI and VR tools, and hands-on guidance for distinctive residential projects across the greater Los Angeles area.

Explore integrated architecture and design services for custom homes, renovations, interiors, permitting, and carefully crafted built-ins.
Design support for single-family homes through 4-unit residential buildings, including architectural planning, permitting, consultant coordination, and guidance through construction completion.
Full-service residential remodeling that connects design, building permit procurement, construction oversight, and project completion with a timeless, sustainable design approach.
Thoughtful additions and alterations for existing homes and residential buildings, coordinated across design, permitting, construction, consultants, and contractors.
Custom interiors for remodels, new construction, additions, and alterations, integrating spatial planning, furniture, cabinetry, technology, sustainability, and occupant wellness.
Guidance through building permit procurement for residential projects, with coordination among clients, consultants, contractors, and municipal agencies.
Integrated cabinetry, furniture, and built-in elements designed for practical use, environmental responsibility, durability, and aesthetic longevity.
A strong architect brings clarity to complex decisions, from spatial organization and materials to permitting and construction coordination. Ortiz Mexia Projects, Inc. connects architecture, interiors, furniture, cabinetry, and built-ins into one coherent vision. For Pasadena-area homeowners, that integrated approach can support designs that feel personal, environmentally responsible, and enduring rather than driven by short-lived trends.

An integrated design practice for homeowners seeking distinctive, carefully coordinated residential environments.
Architecture, interiors, furniture, cabinetry, and built-ins can be developed as one coordinated design vision.
The studio creates elegant, enduring environments suited to Pasadena-area homeowners beyond short-lived design trends.
Clients receive support through design, permitting, bidding, construction coordination, and project completion.
AI, BIM, and VR tools help clients and consultants understand design decisions with greater clarity.
Meet the principal behind this thoughtful architecture and design practice.

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 local architect can bring practical awareness of the area’s residential context, municipal processes, and design expectations. Ortiz Mexia Projects, Inc. combines that local perspective with experience across custom homes, renovations, additions, interiors, and permitting. The firm’s hands-on approach helps clients coordinate design decisions with consultants, contractors, and agencies throughout the project.
Share your goals and learn whether the studio is a fit.
Ortiz Mexia Projects, Inc. works across Los Angeles and Colorado’s Roaring Fork Valley by appointment.
Los Angeles, CA
Primary Area
Roaring Fork Valley
Additional Region
By Appointment
Availability
Contact the studio to discuss location, scope, and appointment 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, goals, and design needs so the studio can discuss a thoughtful next step.
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.