Custom Homes, Built Open-Book
Ground-up custom homes and whole-house renovations
Building a custom home is where budgets go to die. Costs creep, allowances balloon, and too often you do not find out until the money is already spent. We do it differently: open book, from day one, so you see where every dollar goes and there are no surprises at the end.
Cornerstone Builders Group builds and renovates whole homes: ground-up custom construction and full-house renovations, managed from the first budget question through the warranty after you move in.
Open-book budgeting, built from real homes
Most builders hand you a single lump-sum number and ask you to trust it. We hand you a detailed, line-item budget built from what our past homes actually cost, and we keep it open through the entire project. You see the real cost of every scope, every allowance, and every change, in writing, as the work moves.
Every budget is broken out by cost code, category, and subcategory, in enough detail that you can trace where each dollar is allocated instead of trusting a single bottom-line figure. Nothing disappears into a vague allowance you cannot see inside of. Routine budget-versus-actual reporting means you always know where you stand, and value engineering becomes a precise decision instead of a guess.
This is our differentiator, and it is what clients who understand the numbers almost always prefer.
The structure that fits you
Open book is our recommendation and our default, but the right structure depends on what you want. For larger homes where you want us to actively drive value engineering, we can work on a shared-savings basis, so the savings we find are shared with you. If you would rather simply hit a set budget without managing the detail, we can deliver a lump-sum price. Open book is the one that gives you the most visibility, which is why the clients who care most about the numbers tend to choose it.
We start before you have plans
You do not need finished drawings to begin. Using historical cost data from homes we have built, we can give you a realistic per-square-foot budget early, so you know whether the home you are imagining fits the number you have in mind before you spend on full design. When you are ready, we help assemble the right architect and design team for your project.
Whole homes, start to finish
We take on ground-up custom homes and full-house renovations. From site and feasibility through design coordination, construction, and final walkthrough, one team manages the entire build. Our focus is the whole home rather than piecemeal work, which is how we hold quality and budget across the full project.
We stand behind the home after you move in
Our work does not end at final walkthrough. Every home comes with a comprehensive warranty and post-construction support, because the relationship matters to us well past move-in day.
Built on communication
You stay informed and involved at every stage. Through regular updates, meetings, and the tools we use to track progress and cost, you always know what is happening with your home and what it is costing. Cornerstone is fully licensed and insured.
Start with feasibility
Tell us about the home you want to build. We will give you an honest, detailed picture of what it will take and what it will cost, before you commit.
Frequently Asked Questions
Ground-up custom homes and whole-house renovations. Our process is built for full-home scope rather than single-room remodels, which is where our budgeting and management add the most value.
Yes. We use historical cost data per square foot from homes we have completed to give you a realistic early budget, so you can plan before investing in full design.
Open-book, line-item budgeting with routine budget-versus-actual reporting, plus value engineering to optimize cost without compromising quality.
No. Open book is what we recommend and what most numbers-minded clients prefer, but we also offer shared-savings arrangements on larger homes and lump-sum pricing if you would rather hit a set budget without managing the detail.
Yes. We can suggest architects suited to your project’s style and goals.
Yes. We offer eco-friendly construction options for homeowners who want them.
A comprehensive warranty and post-construction support to keep the home performing well after completion.
Regular updates through calls, emails, meetings, and project-tracking tools, with open communication throughout.
