Commercial Construction. Simplified.
A Commercial Builder You Can Actually Count On.
Let's Talk.
Black Walnut Construction delivers commercial builds, upfits, and renovations across the SC Midlands with radical transparency, quality craftsmanship, and a team that makes complex projects feel achievable.
Licensed & Insured in SC- Transparent Billing — Line by Line
- Trusted Partner
Why It Matters
Built Right, So You Can Get Down to Business.
You've heard the horror stories — or lived one. Budgets that crept. Schedules that slipped and put your opening date, your tenant, or your reputation on the line. A contractor who went quiet the moment things got complicated. Commercial construction is complex enough without a builder who adds to it. Black Walnut exists so your project doesn't go that way.
What Sets Us Apart
On Time. On Budget. On Your Side.
Why Black Walnut
Why Architects, Developers &
Business Owners Choose Us
Three things we stand behind on every single project.
On Time,
On Budget
Every day your doors aren't open is a day you're not making money — so we treat your schedule and your budget like they're our own. We set realistic numbers up front, coordinate subcontractors tightly, and put a dedicated project manager on your build to keep it moving. Our 15+ years and unlimited GC license mean we know how to navigate stricter inspections and demanding municipalities without losing time.
Radical Transparency
Our scope and pricing are on the table from the start — full estimates up front, no hidden costs, no mystery line items. You know what you're paying before we break ground, and you see exactly where every dollar goes.
Rooted in Relationship
We protect our clients, our architects, and their reputations. When challenges come up — and on complex jobs they always do — we bring them to you honestly and solve them as a team, instead of pointing fingers. That straightforward approach is exactly why our work comes back to us, project after project.
What We Build
Commercial Construction in the SC Midlands
Ground-up builds, upfits, and renovations. From the first conversation to the final walkthrough.
Commercial
Commercial Builds, Upfits & Renovations
- Ground-up builds, upfits & renovations
- Office, retail, medical, education, religious & multifamily
- Architect & design-team coordination
- Permitting & inspection management
- Dedicated project manager, preconstruction to punch list
How It Works
From First Call to Final Walkthrough
Four clear steps. We simplify the complex so you can feel confident at every stage.
Free Consultation
Detailed Estimate
We Break Ground
Project Delivered
What Our Clients Say About Us
Hear directly from a client about the care and trust we bring to every project.
“Their communication is excellent, and their quality of work is just outstanding.”
“I feel like we've become friends. Working with Black Walnut was... a wonderful experience.”
FAQs
We handle ground-up commercial construction, large renovations, additions, and interior upfits — including offices, retail, medical and healthcare, religious, education, multifamily, and industrial spaces.
Yes. We partner closely with architects and designers from preconstruction onward, protecting your design intent and handling any challenges discreetly so the project — and your reputation with the client — stays on track.
We put full scope and pricing on the front end and bill transparently, line by line. You know what you're paying before we break ground, with no mystery charges along the way.
Yes. Black Walnut Construction is an unlimited licensed general contractor, fully licensed and insured in South Carolina and North Carolina.
We're based in Lexington and serve Columbia and the greater Midlands, including Chapin, Lake Murray, and surrounding communities.
As early as possible — once your goals and site are identified — so we can review timelines, expectations, and feasibility before decisions get expensive.
Let's Build Something Together
Ready to start your project? Our team is here to listen, guide, and deliver. Reach out today and let’s turn your vision into reality.