Remodels & Renovations
Full-service residential remodeling support covers design, permitting, construction oversight, and project completion for single-family homes, with coordinated guidance throughout each phase.
Choosing a home remodeling service involves more than comparing portfolios or estimates. The right design partner should understand your goals, coordinate architecture and interiors, navigate permits, and guide the project from concept through completion. These five practical tips will help homeowners evaluate remodeling firms for thoughtful, sustainable, and timeless results in Los Angeles and the Roaring Fork Valley.

Explore integrated residential remodeling, design, permitting, interiors, additions, and custom built-in solutions.
Full-service residential remodeling support covers design, permitting, construction oversight, and project completion for single-family homes, with coordinated guidance throughout each phase.
Design thoughtful additions and alterations for single-family homes and residential buildings, with support spanning concept development, permits, construction guidance, and completion.
Create custom interiors with timeless character, sustainable practices, and coordinated architectural elements for remodels, additions, new construction, and alterations.
Preserve architectural integrity while integrating modern sustainable systems and technologies into residences located in Historical Preservation Overlay Zones.
Integrate practical cabinetry and built-ins into residential renovations and new construction, emphasizing environmental responsibility, durability, and aesthetic longevity.
Receive guidance through municipal permitting for residential projects, with assistance coordinating design, consultants, contractors, and the path toward a Certificate of Occupancy.
The strongest remodeling partner brings design, interiors, permitting, and construction guidance together instead of treating each decision separately. Ortiz Mexia Projects, Inc. helps homeowners shape timeless residential environments while coordinating consultants, contractors, municipal agencies, and detailed architectural elements. From Los Angeles residences to homes in Colorado’s Roaring Fork Valley, the practice emphasizes sustainability, advanced visualization, and lasting aesthetic quality.

A design-led practice for homeowners seeking coordinated, enduring residential remodeling guidance.
Architecture, interiors, furniture, cabinetry, and built-ins are coordinated through one design-focused practice.
Design decisions prioritize elegant, enduring environments over short-lived trends in Los Angeles and Colorado homes.
Clients receive support across design, permitting, consultant coordination, contractor bidding, and construction completion.
AI and VR tools help clients understand proposed spaces and participate meaningfully in design decisions.
Led by founder and principal Santiago Ortiz, Assoc. AIA.

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.
The most expensive part varies by the project’s scope, existing conditions, design choices, permitting requirements, and construction complexity. Kitchens, bathrooms, structural changes, additions, and whole-home renovations can each involve significant design and construction coordination. A thoughtful remodeling plan should identify priorities early, clarify the intended outcome, and account for architectural, interior, permitting, and contractor-related decisions together.
Talk with the design team about your home, goals, and project considerations.
By appointment, the practice serves residential remodeling clients across Los Angeles and Colorado’s Roaring Fork Valley.
Los Angeles, CA
Primary Region
Roaring Fork Valley
Colorado Region
By Appointment
Availability
Share your project goals and learn whether the practice is a fit.
Professional affiliation with The American Institute of Architects
Residential project featured in the AIA Los Angeles home tour
Projects featured in Interior Design Magazine and Los Angeles Times
Tell us about your residence, goals, location, and remodeling priorities to begin a thoughtful conversation.
For immediate assistance, feel free to give us a direct call at +1 (310) 600-0241.
For immediate assistance, feel free to give us a direct call at +1 (310) 600-0241.