Our Comprehensive Services

We believe a well-designed home begins with clear communication, honest priorities, and a team who can take your vision from idea to build-ready plan.

Get Started

How We Bring Your
Dream Home to Life:

Let’s make your home journey 
straightforward enjoyable, and truly yours.

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Close-up of a hand holding a large, rough piece of rock or soil against a blurred earthy background.

Soils Testing

Building on
a Solid Foundation

Your home’s foundation begins with understanding the unique properties of your land. Our soils testing services provide critical insights that guide your home’s design and ensure long-term stability and safety.

    • Compliance: We conduct tests required by most counties in the Rocky Mountain region.

    • Precision: We determine precise soil composition for optimal foundation design.

    • Prevention: We help prevent costly complications and delays during construction.

Looking up at tall trees with green leaves and a clear blue sky through the canopy.

Septic Design

Custom Solutions for Peace of Mind

When city sewer systems aren’t an option, our onsite water treatment systems (OWTS) provide sustainable, reliable, and efficient solutions. We design septic systems that integrate seamlessly with your land, prioritizing environmental harmony and functionality.

    • We believe great homes shouldn’t come
at the environment’s expense.
      Why Choose Allegro for Septic Design?:

      • Expertly designed systems meeting regulatory standards

      • Site-specific solutions that preserve the beauty of your property

      • Minimal environmental impact


      Important Notes:

      • The number of bedrooms determines septic capacity.

      • A soils test is required before designing the septic system.

      • Ensure every part of your home is expertly designed.

Architectural scale model of a modern house with white, brown, and black walls and minimal landscaping.

Architectural Design

Your Vision, Brought to Life

Designing a custom home is an exciting process that blends creativity with purpose. At Allegro Design Co., we craft homes that reflect your family’s rhythm and lifestyle. Every detail is thoughtfully designed to bring together beauty, practicality, and affordability, ensuring your home feels as personal as it is functional.

Interior view of a building under construction showing wooden beams and framing.
  • 1. Vision Capture: We ask the right questions to understand how you live and what matters most to you.

    2. Preliminary Plans: Your ideas take shape as we sketch out the framework for your dream home.

    3. Revisions & Finalization: Together, we fine-tune the design until it’s just right.

    4. Ready for Construction: When plans are finalized, you and your builder have everything you need to start building with confidence.

Structural Engineering

Strong Homes Start Here

Our structural engineering integrates seamlessly with architectural plans to create homes that are both innovative and resilient. From enduring snowy winters to accommodating bold designs, we make sure your home stands strong for decades to come, meeting the demands of your lifestyle and environment.

    • Custom home designs built to endure

    • Renovations and additions (e.g., decks, garages, retaining walls)

    • Solutions tailored for high-snow and mountainous regions


    With a focus on durability, affordability, and precision, we design homes that stand strong for generations.

A person holding a large, irregularly shaped rock in their hand, with a blurred earthy background.

Soils Testing

Building on
a Solid Foundation

Your home’s foundation begins with understanding the unique properties of your land. Our soils testing services provide critical insights that guide your home’s design and ensure long-term stability and safety.

    • Compliance: We conduct tests required by most counties in the Rocky Mountain region.

    • Precision: We determine precise soil composition for optimal foundation design.

    • Prevention: We help prevent costly complications and delays during construction.

View of the sky through green trees with sunlight filtering through the leaves and a twisted tree trunk in the center.

Septic Design

Custom Solutions for Peace of Mind

When city sewer systems aren’t an option, our onsite water treatment systems (OWTS) provide sustainable, reliable, and efficient solutions. We design septic systems that integrate seamlessly with your land, prioritizing environmental harmony and functionality.

    • We believe great homes shouldn’t come
at the environment’s expense.
      Why Choose Allegro for Septic Design?:

      • Expertly designed systems meeting regulatory standards

      • Site-specific solutions that preserve the beauty of your property

      • Minimal environmental impact


      Important Notes:

      • The number of bedrooms determines septic capacity.

      • A soils test is required before designing the septic system.

      • Ensure every part of your home is expertly designed.

Architectural model of a modern house with white walls, brown and black exterior sections, and small details like black window frames and a doorway.

Architectural Design

Your Vision, Brought to Life

Designing a custom home is an exciting process that blends creativity with purpose. At Allegro Design Co., we craft homes that reflect your family’s rhythm and lifestyle. Every detail is thoughtfully designed to bring together beauty, practicality, and affordability, ensuring your home feels as personal as it is functional.

Interior view of a wooden structure's framework, showing curved and straight wooden beams and supports.
  • 1. Vision Capture: We ask the right questions to understand how you live and what matters most to you.

    2. Preliminary Plans: Your ideas take shape as we sketch out the framework for your dream home.

    3. Revisions & Finalization: Together, we fine-tune the design until it’s just right.

    4. Ready for Construction: When plans are finalized, you and your builder have everything you need to start building with confidence.

Structural Engineering

Strong Homes Start Here

Our structural engineering integrates seamlessly with architectural plans to create homes that are both innovative and resilient. From enduring snowy winters to accommodating bold designs, we make sure your home stands strong for decades to come, meeting the demands of your lifestyle and environment.

    • Custom home designs built to endure

    • Renovations and additions (e.g., decks, garages, retaining walls)

    • Solutions tailored for high-snow and mountainous regions


    With a focus on durability, affordability, and precision, we design homes that stand strong for generations.

Ready to
Get Started?

Person holding a small illuminated model of a house outdoors at dusk.

Explore tailored solutions based on your needs:

I'm a Builder
I'm a Homeowner

Let’s craft a home
that’s as unique
as you are.

Contact Us Today

Ready to
Get Started?

Luxury Mountain Home Architectural Plans, Cost to Build Custom Home
Colorado, Denver Structural Engineer Residential, Aspen Home Design and
Engineering Firm, Architect vs Engineer for Custom Home.

Explore tailored solutions based on your needs:

I'm a Builder
I'm a Homeowner

Let’s craft a home
that’s as unique
as you are.

Contact Us Today

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