Exploring Affordable House Design Services for Every Budget

Explore thoughtful house design services that balance your goals, priorities, and available investment. Ortiz Mexia Projects, Inc. creates timeless residential environments through custom architecture, renovations, additions, interiors, cabinetry, and permitting support. From focused improvements to complete homes, the studio brings design clarity, sustainable thinking, and hands-on guidance to projects in Los Angeles and Colorado’s Roaring Fork Valley.

Architect reviewing a refined residential house design with homeowners

Our House Design Services

Explore integrated residential design services supporting projects from focused interiors and additions to complete custom homes.

Custom Home Design

Create a distinctive single-family home or residential building with coordinated architecture, interiors, sustainable thinking, and detailed guidance from concept through completion.

New Home Construction

Develop new home plans with architectural design, permit procurement, VR visualization, consultant coordination, contractor bidding guidance, and support through construction completion.

Remodels And Renovations

Reimagine an existing residence through full-service design, permitting support, construction oversight, and carefully coordinated improvements shaped around timeless, lasting results.

Additions And Alterations

Expand or reconfigure a home with custom architectural solutions, permitting assistance, consultant coordination, and design support for single-family and up to four-unit residences.

Interior Design

Shape refined, health-conscious interiors for remodels, new construction, additions, and alterations, integrating furniture, cabinetry, technology, and sustainable design principles.

Permit Procurement

Receive guidance through municipal permitting for residential projects, with coordinated support for clients, consultants, and contractors from design through Certificate of Occupancy.

Design With Clarity

Thoughtful Design Within Your Priorities

Affordable does not have to mean ordinary. Ortiz Mexia Projects, Inc. helps homeowners identify the right scope, coordinate architectural and interior elements, and make informed decisions throughout a residential project. Whether you are considering a focused renovation, an addition, or a complete custom home, the studio combines timeless elegance, sustainable thinking, advanced AI and VR tools, and hands-on collaboration to create lasting value.

Residential design materials and architectural plans arranged for client review
The Ortiz Mexia Difference

Why Choose Ortiz Mexia Projects, Inc.?

Get a design-led partner focused on thoughtful decisions, coordinated details, and enduring residential character.

Integrated Expertise

Coordinate architecture, interiors, furniture, cabinetry, and built-ins through one connected design practice.

Timeless Character

Develop elegant residential environments designed to remain meaningful beyond short-lived trends.

Hands-On Guidance

Work collaboratively with clients, consultants, agencies, and contractors throughout the project.

Technology Enabled

Use AI and VR tools to study designs clearly and support informed decisions across locations.

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 can house design services work with different budgets?

A design project can be shaped around its priorities and scope, from a focused interior, cabinetry, or built-in project to a renovation, addition, or complete custom home. Ortiz Mexia Projects, Inc. works collaboratively with homeowners to clarify goals, coordinate decisions, and develop an appropriate path for the property rather than applying a one-size-fits-all solution.

What does custom residential design include?

Does Ortiz Mexia Projects, Inc. handle building permits?

Can the firm design a home addition or alteration?

Does the firm work on remodels and renovations?

Can custom cabinetry and furniture be included in a house design project?

Does the firm use virtual reality for residential design?

Where are house design services available?

Have More House Design Questions?

Talk with the studio about your goals, property, and preferred project scope.

Areas We Serve

By appointment, the studio supports residential design projects across Los Angeles and Colorado’s Roaring Fork Valley.

Planning A Project In Our Service Area?

Share your location and design goals with the studio to explore next steps.

Recognized Design Practice

Awards and Recognition

Associate AIA membership recognition

Associate AIA Membership

Professional affiliation held by principal Santiago Ortiz

AIA Los Angeles home tour recognition

AIA Los Angeles Home Tour

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

Published residential design work recognition

Published Design Work

Projects featured in Interior Design Magazine and Los Angeles Times

Start A Thoughtful House Design Conversation

Tell us about your property, goals, and preferred scope so the studio can discuss a suitable design path.

Contact Us Today

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