How to Finance Horizontal and Vertical Construction in One Loan

If you want to know how to finance horizontal and vertical construction in one loan, the answer is to secure a unified private development facility that bundles your site preparation, infrastructure costs, and structural building expenses into a single promissory note. Rather than securing a land development loan to run utilities and clear dirt, paying it off, and then closing on a separate ground-up construction loan to build the houses, a unified loan covers the entire project lifecycle. This structure funds your land acquisition or payoff, issues a draw schedule for your horizontal site work, and continues seamlessly into the vertical construction phases until the final certificate of occupancy is issued by the municipality.

This single-close financing model is specifically designed for real estate developers and builders executing small to mid-sized suburban projects. Typically, this covers residential subdivisions, townhome communities, or infill developments ranging from 2 to 30 units. The ideal borrower is an experienced builder who wants to retain control of the entire project from raw dirt to final retail sale or rental portfolio stabilization. If you are tired of paying double closing costs, double appraisal fees, and suffering weeks of idle time while transitioning from a lot-development lender to a vertical-construction lender, this consolidated loan structure is the exact financial tool you need to maintain momentum.

To understand the financial mechanics of how to finance horizontal and vertical construction in one loan, you must first clearly define the two distinct phases of your budget. Horizontal construction includes everything required to turn raw land into a buildable pad. This means heavy grading, clearing, soil stabilization, running sewer and water lines, installing electrical vaults, paving roads, pouring curbs, and managing stormwater drainage. Vertical construction begins the moment you pour the foundation. It covers framing, roofing, electrical rough-ins, drywall, plumbing fixtures, and interior finishes. Historically, traditional banks viewed these as two entirely separate risk profiles, forcing developers to finance them separately. Private capital lenders take a more holistic view, evaluating the end value of the completed subdivision to underwrite a single comprehensive facility.

Mechanics and leverage dictate how this unified loan performs in the real world. Most private lenders will calculate your borrowing capacity based on a Loan-to-Cost (LTC) and a Loan-to-Value (LTV) metric. For a combined horizontal and vertical facility, you can generally expect leverage up to 75 to 85 percent of your total project cost, strictly capped at roughly 65 to 70 percent of the as-completed stabilized value. Let us look at the math. If your land purchase is one million dollars, your horizontal infrastructure budget is five hundred thousand, and your vertical build cost is two million, your total project cost is 3.5 million dollars. At 80 percent LTC, the lender provides 2.8 million dollars.

Your required equity injection in this scenario is the remaining 20 percent, or seven hundred thousand dollars. If you already own the land free and clear, the equity in that land often covers your required capital contribution entirely, meaning the lender might fund 100 percent of the horizontal and vertical construction costs moving forward. Interest rates for this type of private development capital typically range between 9 and 12 percent, with origination fees sitting between 2 and 4 points depending on your track record, creditworthiness, and the exact leverage requested. Because the loan spans both phases of development, the term is usually 18 to 24 months, providing ample runway to complete the heavy civil engineering and the final finish carpentry.

The draw schedule is the engine that makes a combined loan functional. When learning how to finance horizontal and vertical construction in one loan, developers must pay strict attention to the line-item budget approved prior to closing. The lender will establish an interest reserve so you are not paying cash out of pocket for monthly interest payments while the property is generating zero revenue. Draws are then disbursed in tranches based on third-party site inspections. You will first draw against the horizontal budget categories. Once the inspector verifies the sewer lines are tied in and the road base is laid, funds are released in arrears. As the pads are certified, the draw schedule seamlessly transitions into your vertical line items for concrete, lumber, and windows without requiring a new loan closing.

You should use a unified horizontal and vertical loan when your project is fully entitled or just weeks away from final administrative approval. This loan is built for velocity and execution. It is highly effective for build-to-rent communities, spec townhome rows, and small suburban subdivisions where you intend to build the vertical structures yourself. By consolidating the debt, you eliminate the risk of a macroeconomic shift stranding your project midway. In a two-loan scenario, you might finish your horizontal work only to find that lending standards have suddenly tightened, leaving you unable to secure the vertical construction loan. A single unified loan locks in your capital for the entire journey from the day you break ground.

Do not use this loan structure if you are purchasing raw, unentitled land with significant zoning risk. Private construction lenders are not in the business of funding multi-year rezoning battles, environmental impact studies, or speculative annexation campaigns. You need approved site plans. Additionally, this is not the right product if your business model is strictly land entitlement and lot preparation. If your goal is to clear the land, run the utilities, and then sell the finished paper lots or finished pads to a national tract builder, you only need a land development loan. Combining the vertical financing would saddle you with unnecessary underwriting requirements and commitment fees for capital you have absolutely no intention of deploying.

The most expensive mistake developers make with a unified loan is underestimating the horizontal budget and attempting to borrow heavily from the vertical contingency later. Horizontal construction is inherently unpredictable. You might hit bedrock while trenching for sewer lines, or discover severe soil compaction issues that require exporting bad dirt and importing expensive structural fill. If your horizontal costs overrun and you eat into the contingency funds meant for the vertical phase, you will find yourself short on cash when it comes time to install drywall and cabinets. Lenders require the project to remain in balance at all times. This means there must always be enough undisbursed loan funds available to complete the project. If there is a mathematical shortfall, you will be required to bring cash to the table before the next draw is released.

Another common pitfall is misunderstanding the partial release clauses in your loan documents. If you are building a 10-unit subdivision, you will likely sell or refinance individual homes as they are completed. When you sell the first home, the lender requires a specific percentage of that sale price to pay down the principal balance of the unified loan. This is called the release price, and it is usually calculated at 110 to 120 percent of the allocated loan amount for that specific unit. If you do not negotiate your release provisions carefully upfront, you might find that the lender takes 100 percent of the net proceeds from the first few sales to pay down the overarching infrastructure debt, leaving you with zero operational liquidity to fund overhead or acquire your next parcel of land.

Builders also fail by allowing their municipal approvals to lapse during the transition from dirt work to vertical framing. When you figure out how to finance horizontal and vertical construction in one loan, you might assume the local municipality views the project as one continuous motion just like the private lender does. They often do not. Site work permits and vertical building permits are usually handled by entirely different municipal departments and civil inspectors. If your horizontal work is delayed by weather or utility providers, your vertical permits might expire before you ever pour a foundation. The lender will freeze your draw schedule immediately if your permits lapse, triggering default provisions and halting your progress until the municipality reinstates your paperwork.

Executing a seamless transition from raw dirt to finished rooftops requires capital that understands the realities of suburban development. You need a lending partner who will underwrite the full vision, fund the infrastructure rapidly, and keep the vertical draws flowing without bureaucratic delays or unnecessary red tape. For experienced builders looking to streamline their capital stack, Phoenix Capital's Suburb Development program is engineered specifically for this purpose. We provide unified financing for 2 to 30 unit projects, eliminating the friction of refinancing midway through your build and keeping your crews working continuously.

To get your site plans underwritten and secure your capital for both phases of construction, submit your project details by heading over to /funding today. A unified loan is the most efficient way to maintain momentum, drastically reduce your total closing costs, and get your finished inventory to market ahead of the competition.