Custom Homes · Est. 2004
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About
We bring expertise and intention to architecturally driven homes. Creating spaces that reflect the life they were imagined for.
Fernhill builds a small number of architecturally driven homes each year, working open-book alongside your architect. We are not the low bid and we do not try to be.
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Modern In Denver · Magazine
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Services
What we do
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We price the design while it can still change. You get a line-item cost model with our assumptions written next to each line, before you sign a construction contract.
Early alignment
Line-item model
Assumptions written down
Constructability review
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Architecturally driven homes, built with the architect in the room from the start. You see the same monthly cost report we do, unedited.
Architect collaboration
Open-book budget
Monthly cost report
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Whole-home and structural remodels, run with the same rigor as a new build. We open the walls early, so the expensive surprises arrive on paper instead of mid-project.
Existing conditions
Phased schedule
Structural work
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Pre-construction is scoped and priced on its own. Build with someone else and you owe us nothing.
Feasibility analysis
Budget strategy
No obligation
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Process
How we work
Step 1
Discovery Phase
We begin by understanding your goals, priorities, vision, and the way you want the home to ultimately feel and function.
Step 2
Pre-Construction
Through early collaboration, budgeting, constructability review, and detailed planning, we align the project before construction begins.
Step 3
Construction
Our team manages the build through disciplined execution, communication, and quality control while maintaining alignment throughout the process.
Step 4
Completion
As the project comes together, we focus on the final details, walkthroughs, and transition into a home that feels intentional, cohesive, and ready to be lived in.
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Testimonials
Hear what they say about us
Mark Schaeffer
FS Woodworks
“ He’s the conductor of the orchestra.
Nicholas Fiore
FLOWER architecture
“ It’s rare to meet a builder who obsesses on process as much as Alex does, in a good way.
Modern in Denver
Spring 2025
“ Known for thoughtful coordination and a process-oriented mindset, Fernhill’s work reflects a commitment to clarity, craftsmanship, and design integrity.
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FAQ
Contact us
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What is pre-construction?
Pre-construction is the work before a construction contract: pricing the design while it can still change, writing our assumptions next to each line, and reviewing constructability. You get a line-item cost model before you commit to building.
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What does a custom home cost in Boulder?
Costs vary with site conditions, design complexity, and finish level. Projects typically begin around $700 per square foot, with highly design-driven homes often exceeding $1,000 per square foot.
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Cost-plus vs fixed-price construction
A fixed price on an unfinished design is a guess with a margin on top. We work cost-plus with an open book: you see actual costs and our fee, and the monthly cost report we see is the one you see, unedited.
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How does Fernhill work with architects?
We join the team early, price the design as it develops, and flag constructability issues while they are still drawing-table decisions. The architect keeps design authority; we keep the budget honest.
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Why involve a builder early in design?
Most of a project’s cost is decided before the drawings are finished. With a builder in the room early, the budget can shape the design instead of surprising it after permits.
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Blog
Latest insights
