High End Residential Architecture: Comparing Top Firms in the US

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.

Architect reviewing a high-end custom home design with clients

Our High End Residential Architecture Services

Integrated architecture and design services for custom homes, renovations, interiors, permitting, and detailed residential elements.

Custom Home Design

Full-service architectural design for single-family homes and residential buildings up to four units, from concept through construction completion.

Remodels & Renovations

Design-led remodeling for existing residences, including sustainable updates, permitting support, construction oversight, and guidance through project completion.

Interior Design

Custom interiors for remodels, new construction, additions, and alterations, coordinated with architectural details, furniture, cabinetry, and built-ins.

Historical Preservation

Thoughtful preservation and remodeling for homes in Historical Preservation Overlay Zones, balancing architectural integrity with modern systems and technologies.

VR Design Immersion

Immersive VR presentations help clients experience proposed spaces at full scale or study three-dimensional models at a chosen scale.

Permit & Construction Guidance

Hands-on coordination supports clients, consultants, agencies, and contractors through design, permitting, construction, and Certificate of Occupancy.

Timeless Custom Design

Design A Home With Lasting Character

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.

Elegant custom residence design with integrated interiors and cabinetry
The Ortiz Mexia Difference

Why Choose Ortiz Mexia Projects, Inc.?

Compare architecture partners by looking for integrated expertise, thoughtful collaboration, and a design philosophy that endures.

Integrated Design

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

Timeless Character

The studio favors elegant, durable design over trend-driven solutions for residences in varied settings and communities.

Hands-On Guidance

Clients receive support through design, permitting, consultant coordination, contractor bidding, construction, and project completion.

Immersive Technology

AI, BIM, and VR tools help communicate design intent and support informed decisions throughout the process.

Meet The Ortiz Mexia Team

Led by founder and principal Santiago Ortiz, the studio brings architecture and fine arts together.

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 should I look for when comparing high-end residential architecture firms?

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.

What services does a high-end residential architect typically provide?

Does Ortiz Mexia Projects design new custom homes?

Can an architecture firm help with a luxury home remodel?

Can Ortiz Mexia Projects work on historic homes?

How does VR help with residential architecture projects?

Does the firm assist with building permits?

Where does Ortiz Mexia Projects provide residential architecture services?

Ready To Compare Your Architecture Options?

Speak with the studio about your residence, goals, and preferred level of design guidance.

Residential Service Areas

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

Is Your Project In Our Service Area?

Share your location and project goals to discuss fit, scope, and availability.

Published & Connected

Awards and Recognition

American Institute of Architects membership recognition

AIA Associate Membership

Professional affiliation held by principal Santiago Ortiz.

Residential architecture home tour recognition

AIA Los Angeles Home Tour

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

Published residential architecture work

Design Publications

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

Start A Conversation About Your Residence

Tell us about your property, design goals, location, and desired level of architectural and project guidance.

Contact Us Today

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