Residential Remodeling
Full-service remodeling support for single-family homes, from initial design and permit procurement through construction guidance and project completion.
Create a home that feels considered from the first sketch to the final detail. Ortiz Mexia Projects, Inc. provides design-led remodeling, renovation, addition, interior, cabinetry, and construction guidance for residences in Los Angeles and Colorado’s Roaring Fork Valley. With timeless design, sustainable thinking, and hands-on coordination, the studio helps homeowners move confidently through design, permitting, and construction.

Integrated residential design services connect architecture, interiors, permitting, cabinetry, and construction guidance in one collaborative practice.
Full-service remodeling support for single-family homes, from initial design and permit procurement through construction guidance and project completion.
Custom interiors for remodels, additions, alterations, and new construction, combining timeless aesthetics, wellness-conscious choices, and coordinated architectural details.
Thoughtful additions and alterations reconfigure existing residences while coordinating design, permitting, consultants, contractors, and long-term spatial functionality.
Integrated cabinetry and built-ins provide practical storage and carefully resolved architectural details aligned with the home’s overall design character.
Sensitive remodels maintain a residence’s architectural integrity while introducing sustainable systems, modern performance, and carefully considered contemporary improvements.
Construction administration and project guidance help coordinate clients, consultants, municipalities, and contractors from design development through completion.
A successful remodel requires more than attractive finishes. Ortiz Mexia Projects, Inc. brings architecture, interiors, cabinetry, permitting, and construction guidance together so each decision supports the whole residence. The studio’s Los Angeles and Roaring Fork Valley work emphasizes timeless elegance, environmental responsibility, advanced AI and VR tools, and detailed collaboration suited to complex custom homes and renovations.

An integrated, design-led practice for homeowners seeking enduring residential solutions.
Architecture, interiors, furniture, cabinetry, and built-ins are coordinated through one design practice.
Elegant, durable concepts avoid fleeting trends and support lasting value in Los Angeles homes.
The studio coordinates clients, consultants, agencies, and contractors throughout the project.
Environmental responsibility and occupant wellness inform design decisions across Los Angeles and Colorado projects.
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.
A home remodeling designer develops the architectural and interior direction for a renovation, addition, or alteration. Services may include space planning, material and finish selection, cabinetry and built-in design, building permit procurement, consultant coordination, contractor bidding guidance, and construction administration. Ortiz Mexia Projects, Inc. supports projects across these phases so the design remains cohesive from concept through completion.
Share your goals and learn how the studio can guide your project.
By appointment, the studio supports residential design projects across Los Angeles and Colorado’s Roaring Fork Valley.
Los Angeles, CA
Primary Region
Roaring Fork Valley
Additional Region
By Appointment
Availability
Contact the studio to discuss your location and remodeling goals.
Professional association membership held by Santiago Ortiz.
Project work recognized through architectural and design publication.
Residential work featured in regional media coverage.
Tell us about your residence, priorities, and desired scope to begin a design conversation.
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.