Navigating Your Home Design Journey with Architects That Design Houses

Designing a home is a significant journey, and the right architect can turn your ideas into a thoughtful, enduring residence. Ortiz Mexia Projects, Inc. guides clients through custom residential design, permitting, interiors, and construction coordination across Los Angeles and Colorado’s Roaring Fork Valley, creating elegant environments shaped around lifestyle, site, sustainability, and long-term livability.

Architect reviewing a custom home design with homeowners

Our Home Design Services

Integrated architectural and design services support custom homes, renovations, interiors, permitting, and construction from concept through completion.

Custom Residential Design

Develop a tailored design for single-family homes through four-unit residential buildings, with support spanning architecture, interiors, sustainability, permitting, and construction.

New Home Construction

Create a complete design vision for a new residence, combining timeless aesthetics, advanced visualization, sustainable systems, consultant coordination, and guidance through project completion.

Remodels & Renovations

Reimagine an existing home through coordinated design, permit procurement, construction oversight, and project guidance focused on elegant, durable, and environmentally responsible results.

Additions & Alterations

Expand or reconfigure a residence with carefully coordinated architectural services for design, permitting, consultant collaboration, construction, and completion.

Historical Preservation

Respect a home’s architectural character while incorporating modern sustainable systems and technologies, particularly for residences within Historical Preservation Overlay Zones.

Custom Interiors

Coordinate interiors, furniture, cabinetry, and built-ins into a unified residential environment guided by health-conscious, sustainable, and timeless design principles.

Thoughtful Custom Design

Create A Home With Lasting Character

Ortiz Mexia Projects, Inc. brings architecture, interiors, furniture, cabinetry, and built-ins together under one design-led practice. Clients receive hands-on guidance from early concepts through permitting, contractor bidding, construction, and Certificate of Occupancy. For projects in Los Angeles or Colorado’s Roaring Fork Valley, the studio balances site-responsive planning, environmental responsibility, advanced AI and VR tools, and detailed craftsmanship to create homes with enduring character.

Architect presenting a refined residential design concept
The Ortiz Mexia Difference

Why Choose Ortiz Mexia Projects, Inc.?

A coordinated design practice helps homeowners move from an initial idea toward a resolved, enduring home.

Integrated Expertise

Architecture, interiors, furniture, cabinetry, and built-ins are coordinated through one thoughtful design practice.

Timeless Character

Design decisions prioritize elegant proportions, material sensibility, durability, and longevity over fleeting trends.

Hands-On Guidance

Clients receive support across design, permitting, bidding, construction coordination, and Certificate of Occupancy.

Local Understanding

The studio works across Los Angeles and the Roaring Fork Valley, responding to distinct sites and municipal processes.

Meet The Design 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

How much would an architect charge to design a house?

Architectural fees vary according to the project’s scope, complexity, size, location, and the level of services required. A project may involve design, interiors, permitting, contractor bidding, construction guidance, and coordination through Certificate of Occupancy. Ortiz Mexia Projects, Inc. discusses the intended program and services with each homeowner before outlining the appropriate engagement and fee structure.

What does a custom residential architect do?

Can you design both new homes and remodels?

Do you help obtain residential building permits?

Can you preserve a historic home while modernizing it?

How does VR help with home design?

Where does Ortiz Mexia Projects, Inc. provide services?

What should I prepare before speaking with an architect?

Ready To Discuss Your Home Design?

Share your goals with the studio and explore the right path for your project.

Where We Serve

Ortiz Mexia Projects, Inc. works with residential clients across Los Angeles and Colorado’s Roaring Fork Valley.

Is Your Project Within Our Area?

Contact the studio to discuss your property, location, and residential design goals.

Recognized & Experienced

Awards and Recognition

Associate AIA membership recognition

Associate AIA Membership

Professional association membership held by principal Santiago Ortiz

AIA Los Angeles home tour recognition

AIA Los Angeles Home Tour

Residential work featured in the Venice Vista Spring Home Tour

Published architecture and design work recognition

Published Design Work

Projects featured in respected architecture and design publications

Begin Your Home Design Journey

Tell us about your property, ideas, and goals so we can discuss a thoughtful path forward.

Contact Us Today

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