Seth Donnell and Anthony Gengaro co founders of Catalyst Architecture sitting at a table looking at plans.

Designing Better Communities Through Architecture and Planning

What makes a great city?

It’s a simple question, but one without a simple answer. Great cities are more than collections of homes, businesses, and streets. They’re places with history, identity, and neighborhoods that people feel connected to. 

That idea sits at the core of Catalyst Architecture, Planning, and Development.

On a recent episode of Built By Insights, Matt Krueger from Built By Krueger sat down with co-founders Seth Donnell and Anthony Gengaro of Catalyst Architecture, Planning, and Development to talk about architecture, planning, historic preservation, and the future of Colorado communities. While the conversation covered everything from custom homes to missing middle housing, one theme continued to surface. Great architecture is ultimately about people.

Planning and Architecture Are Linked Together

Every project has an opportunity to improve the way people experience a place.

Discussing architectural plans in construction site

Many people think of architecture as designing beautiful homes or creating striking commercial spaces. While aesthetics certainly matter, Seth and Anthony believe architecture carries a much greater responsibility.

Whether they’re designing a luxury custom home, restoring a historic building, or studying opportunities for urban infill, the conversation always starts with a bigger question.

How does this project make the community better?

That mindset influences every stage of the design process, which includes understanding a client’s goals, as well as considering how a building fits within its surrounding neighborhood.

Why Neighborhood Identity Matters

A city of little neighborhoods.

Red brick building with green accents.

One of Anthony Gengaro’s observations stood out throughout the conversation. 

He described Denver as “a city of little neighborhoods.”

Each neighborhood has developed its own character over decades. Some are known for historic homes. Others have become walkable destinations filled with local restaurants, shops, and gathering spaces. Those differences are part of what makes Denver unique.

The challenge, Anthony explained, is not preserving one neighborhood while allowing another to change beyond recognition. Instead, it’s finding ways to strengthen the connections between communities while respecting the identity each neighborhood already has.

That philosophy extends beyond architecture. It influences planning, transportation, public spaces, and the everyday experience of living in a city.

How Catalyst Architecture Planning and Development Looks at how projects fit into a project.

Every building exists within a larger system.

Two men sitting on steps, smiling.

One of the most interesting aspects of Catalyst’s approach is that they rarely think about a project in isolation.

Zoning, transportation, land use, economic development, and community planning all influence whether a project succeeds long after construction is complete.

That broader perspective allows Catalyst to participate in conversations that many architecture firms never enter. Instead of simply responding to existing conditions, they ask how thoughtful planning today can improve Colorado communities for decades to come.

Preserving City Character That Already Exists

Growth doesn’t mean starting over.

Throughout the podcast, Seth and Anthony discussed their passion for historic preservation and adaptive reuse. Older buildings often contain the architectural details and craftsmanship that give neighborhoods their identity.

Preserving those buildings is not simply about protecting history. It is also about creating sustainable communities that continue to evolve without losing what makes them special.

For growing communities across Colorado, that balance between preservation and progress is becoming increasingly important.

Good Architecture Solves Problems

Architecture is often judged by what people see.

The best architecture is remembered because of how it makes people feel.

Throughout the conversation, Seth and Anthony returned to the idea that good design should solve real problems. Sometimes that means creating a home that better fits the way a family lives. Sometimes it means improving walkability, encouraging neighborhood connections, or identifying opportunities for missing middle housing that make homeownership more attainable.

Architecture becomes far more valuable when it addresses challenges that extend beyond the walls of a single building.

A Shared Commitment to Building Better Communities

Lead Carpenter Nelson Calderon carrying planks of wood to a house under construction in the Built By Krueger Commercial

Builders and architects approach projects from different perspectives, but the best projects happen when those perspectives align.

At Built By Krueger, we believe exceptional homes begin with thoughtful planning, intentional design, and collaboration between everyone involved. Our conversation with Seth Donnell and Anthony Gengaro reinforced just how important that partnership can be.

As Colorado continues to grow, conversations about architecture, planning, and community development will only become more important. Creating great places is not about building more. It is about building with purpose.

To hear the full conversation with Seth Donnell and Anthony Gengaro of Catalyst Architecture, Planning, and Development, listen to Built By Insights, available wherever you get your podcasts.

Author: Matt Krueger - Boulder's Custom Home Builder

Matt Krueger, co-owner of Built By Krueger, a custom home builder serving Colorado’s Front Range including Lafayette, Louisville, Erie, Broomfield, Westminster, Berthoud, Longmont, and Boulder for over 25 years. Known for crafting luxury, energy-efficient homes with precision and care, Matt brings a background in green building, project management, and real estate to every project.

He also is the host of Built By Insights, a podcast exploring architectural design, construction trends, and the people behind remarkable homes. Matt approaches every project with a focus on detail, communication, and lasting relationships. When he’s not building or podcasting, he enjoys camping, volunteering, and spending time with his wife and three daughters.

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