How Does Financing a Custom Home Actually Work? Land, Construction Loans, Draws, and What to Expect
You’ve found a piece of land. You have a Pinterest board full of ideas. You’ve started thinking about floor plans, kitchens, porches, and what life could look like in a home designed specifically for you.
Then comes the less glamorous question: How do you actually pay for all of it?
For many people, custom home financing is one of the most confusing parts of building—not necessarily because it’s more difficult, but because it works differently from buying a house that already exists.
When you purchase an existing home, the process is fairly straightforward: the lender evaluates you, evaluates the property, and provides a mortgage to purchase it.
When you build, there may not be a house yet. There may only be land, plans, specifications, a construction contract, and a vision of what will eventually exist.
That’s where a custom home construction loan comes in.
If you’re wondering how to finance a custom home in Myrtle Beach or elsewhere in South Carolina, here’s what you should understand before you start.
First: A Construction Loan Isn’t Quite the Same as a Mortgage
A traditional mortgage finances a completed property.
A construction loan in South Carolina finances the process of creating one.
Instead of giving the builder the entire construction budget upfront, the lender generally releases money progressively as construction reaches certain milestones. These payments are commonly called draws.
The Consumer Financial Protection Bureau explains that construction loan funds are typically provided through a series of advances as construction progresses, rather than being released all at once.
This creates an important distinction between financing land and new construction and simply purchasing an existing home.
You’re not just financing a property. You’re financing a project.
And that means your lender is going to want to understand the project before approving the loan.
What Is a Construction-to-Permanent Loan?
One of the most common ways to approach custom home financing is through a construction-to-permanent loan, sometimes called a construction-perm (CP) or one-time-close loan.
The basic concept is simple.
During construction, the loan provides the funds necessary to build the home. Once construction is complete, the financing transitions into a more traditional permanent mortgage.
Exact programs vary significantly by lender, which is why we encourage our clients to speak directly with a lender experienced in construction loans in South Carolina rather than assuming every bank structures these loans the same way.
Depending on the lender, you may also encounter separate construction and permanent loans, which can involve two loan processes instead of one.
Neither structure is universally “better.” Your financial situation, land ownership, project cost, lender requirements, and long-term plans all matter.
The important part is understanding the structure before you commit.
What If You Already Own Your Land?
This is where financing land and new construction gets particularly interesting.
If you already own the property where you’re planning to build, the lender will typically evaluate the land as part of the overall project.
Depending on your lender, how much you owe on the property, its appraised value, and the structure of your loan, the equity you already have in the land may factor into the equity requirements for your construction financing.
For example, someone who owns a valuable homesite outright is in a very different financial position from someone who still needs to purchase the land and finance the entire construction project.
But don’t assume that owning the land automatically eliminates your cash requirements.
A lender still needs to evaluate the complete transaction.
If you’re researching how to finance a custom home, talk to the lender about your land specifically. Tell them what you own, what you paid, whether there’s a loan against it, and what you’re planning to build.
What If You Haven’t Bought Your Lot Yet?
This can actually be a great time to start the conversation.
One of the biggest mistakes we see is treating these decisions as completely separate: Buy land. Then find a builder. Then figure out the house. Then figure out financing.
In reality, those decisions affect each other.
Let’s say your total available project budget is $900,000.
Buying a $300,000 lot doesn’t necessarily leave you with a simple $600,000 construction budget. You may still have site preparation, design, engineering, permitting, financing costs, HOA requirements, utility work, landscaping, and other project expenses to consider.
That’s why we recommend thinking about financing land and new construction as one larger financial picture.
Before purchasing a property, it’s also worth having your builder evaluate whether the lot actually works for the home you want to build.
We’ve written an entire guide on how to choose the right lot for your custom home because a beautiful piece of land isn’t necessarily an easy—or inexpensive—piece of land to build on.
How Does the Bank Know What an Unbuilt House Is Worth?
This is another major difference with a custom home construction loan.
With an existing house, an appraiser can walk through the property and evaluate what’s physically there. With new construction, much of the appraisal happens before the home exists.
The lender will typically need information about the proposed home and project so an appraiser can develop an opinion of its value upon completion. The exact documentation varies by lender, but plans, specifications and construction costs are commonly important pieces of the process.
This is one reason custom home financing and the design process can’t always happen independently.
Your vision eventually has to become something concrete enough for the builder to price and the lender to evaluate.
How Do Builder Draws Work?
Let’s say your custom home construction loan includes $700,000 for construction. Your builder doesn’t typically receive a $700,000 check on Day One.
Instead, money is released throughout construction according to the lender’s draw process.
As work progresses, the builder submits a draw request. The lender may require an inspection or other documentation confirming the applicable work has been completed before releasing funds.
The builder then uses those funds to pay for the labor, materials, subcontractors and other costs associated with building your home. Then construction continues toward the next draw.
This protects the lender by tying funding to the progress of the project, and it’s a normal part of how to finance a custom home. It also means your lender and builder become two important members of the same project team.
What Are You Paying During Construction?
This is a question you should ask your lender very specifically.
Construction loan payment structures vary. In many construction loans, borrowers pay interest based on funds that have actually been advanced rather than immediately paying principal and interest on the entire approved construction amount.
As more money is drawn, the outstanding loan balance grows.
Your exact payment structure, interest rate, construction period, and conversion to permanent financing depend on your lender and loan product.
Ask your lender:
“Exactly what will I be responsible for paying from closing through completion of my home?”
Then ask them to walk you through an example.
That’s far more useful than simply asking for the interest rate on a construction loan in South Carolina.
Your Budget and Your Loan Approval Are Not the Same Thing
This may be the most important section of this entire article.
Just because a bank is willing to lend you a certain amount doesn’t mean you should necessarily spend that amount.
When establishing your budget, think beyond whether you qualify.
Think about what you actually want your finances to look like after moving in.
You may still want money available for furniture, landscaping, window treatments, a pool, travel, retirement savings—or simply breathing room.
We break down many of the costs that affect a Grand Strand project in our guide to how much it really costs to build a custom home in Myrtle Beach.
Good custom home financing should support the life you’re trying to build, not leave you feeling house-poor once you get the keys.
What Should You Do First?
People often ask us whether they should talk to the builder or the lender first.
Our answer? Ideally, talk to both early.
You don’t need every cabinet selected before speaking with a lender, and you don’t necessarily need a final loan approval before having an initial conversation with a builder. But these conversations help establish your guardrails.
Your lender can help you understand borrowing capacity, cash requirements and available loan structures.
Your builder can help you understand what your construction budget can realistically produce.
Together, those two pieces give you a much clearer starting point.
At Swift Creek Homes, our custom home building process begins with understanding your goals before moving deeper into design, selections and construction.
That’s intentional.
The earlier we understand your land, priorities, budget and overall project, the better we can help you make decisions that actually fit together.
Questions to Ask a Construction Lender
When comparing lenders for a construction loan in South Carolina, don’t only ask, “What’s your rate?”
Ask:
- Do you offer a construction-to-permanent loan, and is it a one- or two-time closing?
- How much equity or cash will I need, and can my land equity count toward it?
- How does your construction draw and inspection process work?
- What will my payments look like during construction?
- What happens if construction takes longer than expected?
- When and how is my permanent mortgage rate determined?
- What will you need from me and my builder to approve the loan?
You’re looking for more than approval.
You’re looking for a lender who understands custom home financing and can clearly explain the process to you.
The Goal Isn’t Just Getting the Loan. It’s Building the Right Project.
Figuring out how to finance a custom home can feel intimidating at first because there are more moving pieces than there are when purchasing an existing house.
But once you understand the basic structure, it becomes much less mysterious.
You have the land. You have the home. You have the construction budget. You have the lender. And you have the builder bringing those pieces together.
A good custom home construction loan creates the financial framework that allows the project to happen. A good builder helps make sure the project inside that framework is actually the home you intended to build.
If you’re considering building in Myrtle Beach or elsewhere along the Grand Strand, you don’t need to have every answer before starting the conversation.
In fact, that’s the point of starting early.
Understand your budget. Explore your construction-to-permanent loan options. Evaluate your land. Talk to a builder. Talk to a lender.
Then start putting the pieces together.
Because the best time to understand your financing isn’t after you’ve designed your dream home. It’s before the decisions start getting expensive.
If you’re ready to start planning your custom home in the Myrtle Beach area, contact Swift Creek Homes to begin the conversation.
Written and produced by Swift Creek Homes
