Build a Fully Custom Home on Your Lot in Charleston, SC
Already own land — or planning to purchase it? Southern Harbor Construction helps Charleston-area homeowners turn their property into a fully custom home designed around their land, lifestyle, and goals.
Fully Custom Homes, Renovations & Additions
Fully Custom Homes
New homes designed around your property, your priorities, and the way you want to live — planned, estimated, and built by one coordinated team.
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Whole-Home Renovations
Major renovations that rework how an existing home functions and feels — from layout and flow to finishes, managed through an organized process.
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Home Additions
Additions that connect naturally to your existing home — matching structure, flow, and detail while keeping the project organized from start to finish.
Learn MoreWhere Are You in Your Home-Building Journey?
Question 1 of 4
Do you already own land?
An Organized, Connected Process
Every project moves through eight clear phases — so you always know what's happening and what comes next. Click any step to see what's involved.
We start by walking your property with you — the land, the setting, access, and how you want to live. We listen to your goals, budget range, and timeline before anything else.
A Better Organized Way to Build
Design, estimating, project coordination, and construction under one team — so your custom home or renovation stays organized from planning through completion.
Fully Custom
Projects are developed around your property, lifestyle, priorities, and goals.
Clear Estimating
Detailed estimating helps you better understand project scope and expected investment.
Design + Construction Coordination
Design decisions, selections, planning, and construction are managed as one connected process.
Organized Project Management
A structured process keeps communication, scheduling, decisions, and construction moving forward.
What Our Clients Say
Google Review
Verified customer
"Justin and his team did a phenomenal job designing our home for us. They were very patient, detailed, and communicated everything effectively with us during the process. SH have built beautiful homes which is why we went with them in the first place. They understood our needs and wants and tailored to our interest. I strongly recommend considering SH when designing a custom home."
Paden Boshart
Plan Your Build With Confidence
Building Guide
Everything worth knowing before you build — land, septic, permits, costs, and timelines.
Read the GuidePlanning Tools
Plan My Home, Estimate My Build, and Estimate My Renovation — free and instant.
Open the ToolsArticles & Advice
Practical write-ups on building, remodeling, roofing, and land in the Lowcountry.
Browse ArticlesLooking for stock plans or the areas we build? Find everything in Resources.