How Much Down Payment Do You Need for a Ground Up Construction Loan?

If you already know the basic vocabulary around ground up construction loans, here is the number you actually need. Most private lenders ask experienced borrowers for 10 percent to 20 percent of total project cost. Banks and first time builders typically land between 20 percent and 30 percent instead. At Simplending Financial, borrowers ask us this question first on almost every ground up construction loan inquiry. Most guides answer it with a single range and stop there. This article goes further. It walks through the actual math behind that number, including how land equity and seasoning change it. Use it to estimate your own cash to close before you request a term sheet.

Key Takeaways

• Lenders calculate your down payment against total project cost, not the land price alone
• A higher loan to cost from your lender means a smaller check you write at closing
• Land owned free and clear can replace part or all of your cash requirement, but seasoning rules affect how much of that value counts
• Ground up construction loans often ask for less down than a general hard money loan, because lenders stage funding through draws rather than handing it over in one lump sum
• The same $500,000 project can require anywhere from $0 to $150,000 in cash depending on lender type and land position

The Down Payment Math, Step by Step

The Formula

Your required down payment equals total project cost minus the loan amount your lender agrees to fund. The lender's loan to cost percentage sets that loan amount, so the entire calculation comes down to one formula.

Down payment = Total project cost times (1 minus loan to cost)

This formula plays out across three common scenarios below, so you can see how much the percentage actually moves the dollar figure.

Total Project Cost	Loan to Cost Offered	Loan Amount	Down Payment Required
$350,000	75 percent	$262,500	$87,500
$500,000	80 percent	$400,000	$100,000
$500,000	85 percent	$425,000	$75,000
$750,000	90 percent	$675,000	$75,000

What the Numbers Actually Show

Notice the third and fourth rows. A $500,000 project at 85 percent loan to cost requires the same $75,000 in cash as a $750,000 project at 90 percent loan to cost. A five point difference in loan to cost between two lender quotes on the same $500,000 project changes your cash requirement by $25,000. This is why comparing loan to cost matters more than comparing headline rates. Our guide to evaluating and comparing ground up construction lenders shows you how to get an apples to apples quote from more than one lender.

Same Down Payment, Different Risk

An identical down payment check does not mean an identical cash commitment. The $750,000 build in the table above carries a larger loan balance than the $500,000 build. That larger balance means more interest accruing on drawn funds each month. It also means a bigger dollar amount needed in your contingency reserve if a cost overrun hits. Before you compare two projects by their down payment alone, confirm you also hold enough liquidity to cover interest carry and contingency on the larger loan.

Land Equity and the Seasoning Window Most Guides Skip

What Seasoning Actually Means

Our own explainer on how ground up construction loans work mentions that land equity can lower the cash you need upfront. That is true. But seasoning is the detail that actually determines how much of your land's value counts. Almost nothing published on this topic walks through it with real numbers.

Seasoning refers to how long you have owned the land before you apply. Lenders often value recently purchased land more conservatively than land you have held longer. A lender cannot yet confirm your purchase price reflects a fair, arm's length value rather than a rushed deal. In practice, lenders typically credit land bought within the last 60 days at the lower of your purchase price or the current appraised value. A great deal you negotiated on the lot does not automatically become instant extra equity.

Seasoning by the Numbers

Here is what that looks like on a $500,000 project with a $100,000 lot and an 80 percent loan to cost offer. That offer sets your total equity requirement at $100,000.

Land Ownership Scenario	Equity Credit Given	Additional Cash Needed
Land purchased within the last 60 days	Often valued at purchase price only, sometimes discounted	Full or nearly full $100,000
Land held 6 to 12 months, no seasoning requirement met yet	Partial credit, lender dependent	$30,000 to $60,000, varies by lender
Land held longer than the lender's seasoning window, owned free and clear	Full appraised value counted as equity	$0 additional cash, aside from closing costs

The exact seasoning window varies by lender. Ask this specific question before you assume your lot's full value will apply. If you are still shopping for land, timing matters too. Closing on your parcel early enough to clear a lender's seasoning window before you apply can be the single biggest lever you have over your final cash to close.

Ground Up Construction Loans vs. General Hard Money Down Payments

Borrowers researching this topic often find two different numbers online and assume they contradict each other. They do not. General hard money loans used for existing properties, like fix and flip deals, commonly require 25 percent to 35 percent down. The lender is financing a property that already exists and may need a fast resale if the deal goes wrong.

Ground up construction loans work differently. A ground up construction loan lender releases funds in draws tied to verified construction milestones rather than all at once. That structure keeps the lender's exposure smaller at any given moment than it looks on paper. It is also a major reason many private lenders are comfortable asking experienced borrowers for a lower down payment, often 10 percent to 20 percent, on a ground up deal.

Private Lender vs. Bank: What the Same Project Actually Costs in Cash

Our post on why private lenders are winning ground up deals against banks covers speed and underwriting flexibility. Down payment is where that gap shows up most clearly in dollars.

Take the same $500,000 project from earlier, with a $75,000 lot and $425,000 in construction costs.

Lender Type	Loan to Cost	Loan Amount	Cash Required at Closing
Bank, first time builder	70 percent	$350,000	$150,000
Bank, experienced builder	75 percent	$375,000	$125,000
Private lender, first time builder	75 percent	$375,000	$125,000
Private lender, experienced builder	85 percent	$425,000	$75,000
Private lender, experienced builder, land owned free and clear past seasoning	85 percent	$425,000	$0 cash beyond closing costs

A borrower who assumes every lender asks for roughly the same amount could be leaving $75,000 or more in cash tied up in one deal. That cash could instead be available for the next one.

Three Levers That Directly Change Your Cash to Close

Our post on what lenders look for in a ground up construction loan application already covers general approval tips like organizing your paperwork. Our approval checklist does too. Those matter for getting approved at all. The three items below focus on one thing only: moving the dollar figure you write a check for.

1. Shop loan to cost, not just rate. A five to ten point swing in loan to cost moves your cash requirement by tens of thousands of dollars on a mid sized project. That swing often costs more than a rate difference would over a twelve month loan.
2. Time your land purchase around seasoning. Closing on land several months before you apply for construction financing can clear a lender's seasoning window. That timing unlocks full equity credit instead of a partial one.
3. Ask how a lender treats land equity before you apply. Two lenders offering the same headline loan to cost can treat an already owned lot very differently. That single policy difference can be worth tens of thousands of dollars.

Frequently Asked Questions

Is the down payment calculated on the land price or the total project cost?

Total project cost, meaning land plus all hard and soft construction costs combined, not the land price by itself.

Can I close with no cash at all?

It is uncommon but possible. A borrower needs land owned free and clear, past a lender's seasoning window, with enough value to cover the required equity. A strong, experienced borrower profile helps too.

Why do two lenders quote the same interest rate but ask for different down payments?

Lenders set rate and loan to cost independently. A lender can be competitive on rate while still capping loan to cost lower. That combination raises your required cash even though the rate looks similar.

Does the down payment change once construction starts?

No. Your lender fixes it at closing, before releasing the first construction draw. Draws fund costs afterward as your project completes each milestone and the lender inspects it.

Is a ground up construction loan down payment the same as a general hard money down payment?

Not usually. Ground up loans stage funding through draws. That structure often lets experienced borrowers qualify for a lower down payment than a general hard money purchase loan on an already existing property.

Talk Through Your Numbers With Simplending Financial

The ranges in this guide are a starting point. Your actual down payment depends on your project cost, your land position, and the lender you choose. Simplending Financial structures ground up construction loans for real estate investors nationwide. We can walk through your specific numbers, including how we treat land equity and seasoning, before you commit to a term sheet. If your exit plan involves refinancing the finished property into a rental loan, our DSCR calculator can help you model that step now.