Finding the Best Builders for Your Custom Home Projects

Finding the right builder for a custom home project requires more than comparing bids. Ortiz Mexia Projects, Inc. brings architectural design, permitting guidance, interior coordination, and construction-phase support together in one thoughtful process. From Los Angeles residences to projects in Colorado’s Roaring Fork Valley, the studio helps homeowners pursue timeless, sustainable environments with careful attention to detail and long-term livability.

Architect reviewing custom home plans with homeowners

Our Custom Home Project Services

Explore integrated architectural, interior, permitting, and construction guidance for distinctive residential environments.

Residential Design

Full-service design for single-family homes and residential buildings of up to four units, from early concepts through construction completion and Certificate of Occupancy.

New Home Design

Custom design for new residences with coordinated planning, permitting support, consultant collaboration, contractor bidding guidance, and construction-phase involvement.

Remodels & Renovations

Design-led remodeling for existing homes, combining architectural planning, permit procurement, construction oversight, and thoughtful coordination from concept through completion.

Additions & Alterations

Carefully planned additions and alterations for homes and residential buildings, balancing new requirements with existing character, sustainability, and practical use.

Interior Design

Custom interiors for remodels, new construction, additions, and alterations, integrating spatial planning, furniture, cabinetry, technology, and timeless material sensibility.

Permit Procurement

Guidance through municipal building permit processes for residential projects, with coordination among clients, consultants, contractors, and relevant agencies.

Thoughtful Project Guidance

Build With One Integrated Design Partner

A custom home project benefits from clear coordination between architecture, interiors, permitting, and construction. Ortiz Mexia Projects, Inc. supports homeowners through these connected phases, helping align design intent with practical implementation. The studio’s Los Angeles roots and experience in Colorado’s Roaring Fork Valley inform responsive solutions for distinct settings, while sustainable systems, AI and VR tools, and detailed craftsmanship support lasting residential environments.

Architect presenting a custom home design
The Ortiz Mexia Difference

Why Choose Ortiz Mexia Projects, Inc.?

Principal-led design support brings creative direction and practical coordination to complex residential projects.

Integrated Expertise

Architecture, interiors, furniture, cabinetry, and built-ins can be coordinated within one design practice.

Timeless Design

Thoughtful design avoids fleeting trends and supports elegant, durable residential environments.

Local Understanding

Experience across Los Angeles, Santa Monica, Beverly Hills, and the Roaring Fork Valley supports responsive planning.

Hands-On Guidance

Clients receive support across design, permitting, contractor bidding, construction, and project completion.

Meet The Design Principal

Santiago Ortiz leads a multidisciplinary practice focused on custom residential design.

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 do I find the best builder for a custom home project?

Start by looking for a team whose experience matches your project type and whose responsibilities are clearly defined. Ask how design, permitting, contractor bidding, construction administration, interiors, and specialty elements will be coordinated. Ortiz Mexia Projects, Inc. provides integrated residential design and project guidance, helping homeowners connect architectural intent with practical implementation throughout the project.

What services are included in custom residential design?

Can Ortiz Mexia Projects design a new custom home?

Does the firm help with permits and approvals?

Can the firm remodel or expand an existing home?

Does Ortiz Mexia Projects work on historic homes?

What is VR design and client immersion?

Where does Ortiz Mexia Projects provide custom home services?

Ready To Discuss Your Custom Home?

Share your goals with a design team experienced in thoughtful residential projects.

Areas We Serve

Ortiz Mexia Projects supports custom residential work 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 Area?

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

Recognized Experience

Awards and Recognition

American Institute of Architects membership recognition

AIA Associate Membership

Professional affiliation with The American Institute of Architects

Published Ortiz Mexia Projects residential design

Published Design Work

Projects featured in Interior Design Magazine and the Los Angeles Times

AIA Los Angeles home tour recognition

AIA Los Angeles Tour

Residence featured in the Venice Vista Spring Home Tour

Start A Conversation About Your Home

Tell us about your property, design goals, and location so the studio can discuss the right next step.

Contact Us Today

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