Luxury Residential Designers for High-End Homes

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.

Elegant high-end residential interior designed with custom architectural details

Our Luxury Residential Design Services

Integrated design services for custom homes, renovations, interiors, cabinetry, furniture, and project completion.

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.

Custom Interior Design

Thoughtful interiors for remodels, new construction, additions, and alterations, balancing health-conscious sustainability, timeless elegance, furniture, cabinetry, and spatial character.

New Home Construction

Design support for new custom residences and residential buildings, from early concepts through permits, visualization, consultant coordination, and construction completion.

Remodels And Renovations

Design-led remodeling for single-family homes, with support spanning architectural development, permit procurement, construction oversight, and project completion.

Custom Cabinetry And Built-Ins

Integrated cabinetry and built-in elements designed for practical use, aesthetic longevity, environmental responsibility, and cohesive architectural interiors.

Residential Additions

Custom additions and alterations that coordinate new spaces with existing homes while addressing permitting, sustainability, technology, and construction implementation.

Timeless Design Thinking

Design A Home With Lasting Character

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.

Architect presenting a refined residential design concept to homeowners
The Ortiz Mexia Difference

Why Choose Ortiz Mexia Projects, Inc.?

A design-led practice for homeowners seeking carefully coordinated, enduring residential environments.

Integrated Expertise

Architecture, interiors, furniture, cabinetry, and built-ins are developed as one cohesive residential vision.

Timeless Character

The studio favors elegant, enduring solutions over trend-driven choices for homes with lasting visual and practical value.

Hands-On Guidance

Clients receive coordinated support across design, permitting, consultants, contractors, and construction implementation.

Technology And Care

AI, BIM, and VR tools support clear collaboration while sustainable thinking guides healthier, more responsible spaces.

Meet The Design Leadership

A principal-led studio bringing architecture and fine arts into custom residential work.

Portrait of Santiago Ortiz, Principal and Founder of Ortiz Mexia Projects, Inc.

Santiago Ortiz

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.

Frequently Asked Questions

What is a residential designer?

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.

How much should I expect to pay for an interior designer?

What types of high-end residential projects do you design?

Can you help with building permits?

Do you design custom furniture and built-ins?

Can you remodel a historically significant home?

How does VR help with residential design?

Do you provide construction administration and project guidance?

Ready To Discuss Your Residential Vision?

Speak with the design studio about your home, scope, and next steps.

Residential Design Service Areas

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

Is Your Home In The Service Area?

Confirm project availability and discuss your residential design goals.

Recognized And Experienced

Awards and Recognition

Associate AIA membership recognition for Santiago Ortiz

Associate AIA Membership

Professional affiliation held by principal Santiago Ortiz.

Published residential design work recognition

Published Design Work

Projects featured in Interior Design Magazine and the Los Angeles Times.

AIA Los Angeles home tour recognition

AIA Los Angeles Home Tour

Ortiz-Wheeler Residence featured in the Venice Vista Spring Home Tour.

Start Designing Your High-End Home

Share your residential goals and project scope to begin a conversation with the studio.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 (310) 600-0241.