In real estate financing, LTC stands for loan-to-cost, the percentage of a project’s total build cost that a lender is willing to finance. If a lender offers $1.5 million toward a $2 million apartment build, the LTC is 75 percent: the lender covers three-quarters of the cost, and you bring the rest as equity. Most construction lenders cap LTC somewhere between 75 and 85 percent depending on the project type, which means developers usually need to contribute at least 15 to 20 percent of the total cost from their own capital.
How LTC Is Calculated
The formula is straightforward:
LTC = (Loan Amount ÷ Total Project Cost) × 100
A $3 million loan on a project with $4 million in total costs works out to a 75 percent LTC. You are financing three-quarters of the project with debt and covering the remaining $1 million with equity. Lenders use this single number to gauge how much risk they carry relative to the actual dollars going into the ground.
Getting the denominator right matters more than the arithmetic suggests. If you underestimate costs or leave a line item out, you can discover a funding gap partway through construction with no easy way to close it.
What Counts as Total Project Cost
The “cost” in loan-to-cost is every dollar required to take a project from raw land to a finished building. Lenders group those dollars into three buckets.
Hard Costs
Hard costs are the physical construction expenses: materials, labor, equipment rentals, concrete, framing, electrical, plumbing, HVAC, and landscaping. The numbers come straight from contractor bids and construction contracts. Because they represent tangible assets a lender could recover if a project stalls, hard costs are usually the easiest line items for underwriters to evaluate.
Soft Costs
Soft costs cover everything that isn’t physical construction but is still necessary to complete the project: architectural and engineering fees, permits, legal expenses, insurance, marketing, and loan origination fees. Lenders also fund an interest reserve here, a portion of the loan set aside to cover interest payments during construction while no rental income is coming in. Federal disclosure rules treat that interest reserve as part of the loan itself, and if the lender pulls interest payments from the reserve automatically, the compounding effect has to be reflected in the disclosures.1Consumer Financial Protection Bureau. Supplement I to Part 1026 – Official Interpretations – Appendix D
Origination fees for construction loans generally run between 0.5 and 3 percent of the loan amount, and they count toward total project cost as well.
Land Acquisition
The purchase price of the property, together with closing costs like title insurance and recording fees, is the third bucket. If you already own the land, lenders typically count its current appraised value as part of your equity contribution rather than folding it into the loan amount.
LTC vs. LTV
Loan-to-cost and loan-to-value (LTV) measure leverage against different things, and mixing them up can throw off a financing plan. LTC compares the loan to what the project costs to build. LTV compares the loan to what the finished property is expected to be worth on the open market.
The distinction matters because a completed building is almost always worth more than it cost to construct. That gap is the developer’s profit margin. A project that costs $4 million to build might appraise at $5.5 million once it’s leased up. An 80 percent LTC on that project supports a $3.2 million loan; an 80 percent LTV would support $4.4 million. Same percentage, very different dollars.
The two metrics also apply at different stages. During construction, LTC is the binding measure because there’s no finished building yet and any future value is speculative. Once the property is complete and generating stable rental income, a stage lenders call stabilization, the conversation shifts to LTV for refinancing or permanent financing. Value at that point is based on actual income rather than projections, which is why refinance loan amounts can be higher than the original construction loan.
When Lenders Use LTC
LTC is the standard metric on any deal where construction risk is the primary concern. Two situations dominate.
Ground-up construction is the clearest case. Lenders can’t base a loan on the current market value of an empty lot, so they focus on the actual expenses required to turn the site into a finished, income-producing property. Funds are released through scheduled draws tied to construction milestones rather than as a lump sum, with an inspection before each disbursement.
Substantial renovations, sometimes called value-add or fix-and-flip deals, also run on LTC. When you acquire a distressed property and plan significant upgrades, the lender sizes the loan on purchase price plus renovation costs. That keeps the debt proportional to the capital actually going into the property rather than an optimistic guess at resale value.
Typical LTC Caps and the Federal Limits Behind Them
The 75 to 85 percent LTC range you’ll see quoted isn’t arbitrary. It sits underneath federal supervisory loan-to-value ceilings that banks are required to follow.2OCC.gov. Commercial Real Estate Lending – Comptroller’s Handbook The interagency guidelines set these maximum LTV ratios by loan type:3eCFR. 12 CFR Part 365 – Real Estate Lending Standards
- Raw land: 65 percent
- Land development: 75 percent
- Commercial, multifamily, and other nonresidential construction: 80 percent
- One- to four-family residential construction: 85 percent
- Improved commercial property: 85 percent
A bank funding a multifamily apartment project cannot lend more than 80 percent of the property’s value, which constrains how high the LTC can climb on that deal. When a single loan funds multiple phases, such as land development followed by vertical construction, the limit that applies is the one for the final phase.2OCC.gov. Commercial Real Estate Lending – Comptroller’s Handbook
Meeting the Equity Requirement
Because no lender will fund 100 percent of costs, every developer needs an equity plan. On a $5 million project with an 80 percent LTC cap, you need $1 million from somewhere other than the construction loan. Regulators expect banks to spell out the acceptable types, sources, and timing of that contribution.2OCC.gov. Commercial Real Estate Lending – Comptroller’s Handbook
For loans classified as high-volatility commercial real estate (HVCRE), a regulatory category covering most acquisition, development, and construction loans, the borrower must contribute at least 15 percent of the property’s as-completed appraised value in cash, unencumbered assets, or paid development expenses before the lender advances any funds. That capital has to stay in the project until the loan is reclassified.2OCC.gov. Commercial Real Estate Lending – Comptroller’s Handbook
Mezzanine Debt
If you can’t fund the whole equity gap with your own cash, mezzanine debt is one option. It’s a secondary loan that sits behind the construction loan in priority, so the mezzanine lender only gets paid after the senior lender is made whole. That risk gets priced in: blended rates on mezzanine financing typically run 12 to 18 percent. Some senior lenders prohibit or restrict mezzanine debt, so check your construction loan documents before pursuing it.
Preferred Equity
Preferred equity works differently. Instead of lending, the preferred equity investor takes an ownership stake in the project entity and receives a priority return, often 13 to 20 percent, before the developer sees any profit. Some senior lenders, particularly government-backed programs, count preferred equity as part of the developer’s equity contribution when they wouldn’t count mezzanine debt the same way. The trade-off is giving up a share of ownership and upside.
What Happens When Costs Run Over
Construction rarely goes exactly to plan. Material prices spike, site conditions reveal surprises, weather delays add up. When actual costs exceed the budget, LTC climbs, and if it breaches the lender’s cap, there’s no simple fix.
Lenders generally won’t increase the loan amount to cover overruns. The borrower funds the difference, usually from personal reserves or by bringing in additional equity partners. To manage this risk upfront, many lenders require a fixed-price contract with the general contractor, which shifts overrun risk to the builder.
Most lenders also require a contingency reserve inside the original budget, typically 5 to 10 percent of hard costs for new construction and higher for renovations or adaptive reuse. That reserve counts toward total project cost for LTC purposes and provides a buffer before overruns turn into a crisis. In volatile markets with supply chain disruption or labor shortages, some lenders push contingency requirements to 15 to 20 percent. Building a realistic contingency in from day one is one of the surest ways to avoid a mid-project funding gap.
Higher Leverage Through an SBA 504 Loan
Owner-occupants who want to build or buy commercial property may qualify for an SBA 504 loan, which splits financing across three sources. Under the standard structure, the borrower contributes at least 10 percent of project cost (15 percent for single-purpose buildings), a certified development company provides up to 40 percent through the 504 loan, and a third-party lender covers the balance.4eCFR. 13 CFR 120.882 – Eligible Project Costs for 504 Loans The maximum 504 loan amount is $5.5 million.5U.S. Small Business Administration. 504 Loans The combined structure supports an effective LTC of up to 90 percent, making it one of the most leveraged options available for owner-occupied commercial projects. It doesn’t apply to speculative development or investment property.